J. Knobloch

Publication List Details

Period

1983 - 2008

Number

577

Co-Authors

Presented as an invited talk at the 1998 Applied Superconductivity Conference and submitted for publication in IEEE Transactions on Applied Superconductivity. c○1999 IEEE. SRF 981009-07 Field Emission and Thermal Breakdown in Superconducting Niobium Cavit (2008)

J. Knobloch

Abstract—Field emission and thermal breakdown are the main mechanisms limiting the accelerating gradient of niobium radio-frequency cavities. Diagnostic tools to study these mechanisms include...

Presented as an invited talk at the 1998 Applied Superconductivity Conference and submitted for publication in IEEE Transactions on Applied Superconductivity. c○1999 IEEE. SRF 981009-07 Field Emission and Thermal Breakdown in Superconducting Niobium Cavit (2008)

J. Knobloch

Abstract—Field emission are the main mechanisms limiting the accelerating gra-and thermal breakdown dient of niobium radio-frequency cavities. Diagnostic tools to study these mechanisms include...

Beam Test of a Superconducting Cavity for the CESR Luminosity Upgrade* (2008)

H. Padamsee, P. Barnes, S. Belomestnykh, K. Berkelman, M. Billing, R. Ehrlich, ...

The prototype superconducting cavity system for CESR-Phase III was tested in CESR in August 1994. The performance of the system was very gratifying. The cavity operated gradients of 4.5-6 MV/m and...

Saddle-nodes and period-doublings of Smale horseshoes: A case study near resonant homoclinic bellows (2008)

Homburg, A.J., Jukes, A.C., Knobloch, J., Lamb, J.S.W.

In unfoldings of resonant homoclinic bellows interesting bifurcation phenomena occur: two suspensed Smale horseshoes can collide and disappear in saddle-node bifurcations (all periodic orbits...

Mirco-Structures of RF Surfaces in the Electron-Beam-Weld Regions of Niobium (2007)

R.L. Geng, J. Knobloch, H. Padamsee

Micro-structures of RF surfaces in the electron-beam-weld (EBW) regions of niobium samples were studied. These surfaces were polished with different techniques, namely buffered chemical polish (1:1:2...

Microscopic examination of defects located by thermometry in 1.5 GHz superconducting niobium cavities (2007)

J. Knobloch, R. Durand, H. Muller, H. Padamsee

A new high resolution, high speed thermometry system has been built at Cornell to permit the study of anomalous loss regions in 1.5 GHz superconducting Nb cavities in superfluid He. Following a...

A Single-Chip 1.6 Billion 16-b MAC/s Multiprocessor DSP (2007)

B. Ackl, A. Anesko, D. Brinthaupt, S. J. Daubert, A. Kalavade, J. Knobloch, ...

A MIMD multiprocessor DSP chip containing four 64-b processing elements (PEs) interconnected by a 128-b pipelined split transaction bus (STBus) is presented. Each PE contains a 32-b RISC core with...

Snaking of multiple homoclinic orbits in reversible systems (2007)

Knobloch, J., Wagenknecht, T.

We study N-homoclinic orbits near a heteroclinic cycle in a reversible system. The cycle is assumed to connect two equilibria of saddle-focus type. Using Lin's method we establish the existence of...

Multiple homoclinic orbits in conservative and reversible systems. (2006)

Homburg, A.J., Knobloch, J.

Abstract: We study dynamics near multiple homoclinic orbits to saddles in conservative and reversible flows. We consider the existence of two homoclinic orbits in the bellows configuration, where the...

Dritter Gefahrenbericht der Schutzkommission beim Bundesminister des Innern: Bericht über mögliche Gefahren für die Bevölkerung bei Großkatastrophen und im Verteidigungsfall (2006)

Beerlage, I., Clausen, L., Dombrowsky, W.R., Domres, B., Engelhard, N., Geenen, E.M., ...

Der hier vorgelegte "Dritte Gefahrenbericht" legt die Einschätzung der Schutzkommission beim Bundesminister des Innern zum breiten Spektrum drohender Gefahren und resultierender Erfordernisse im...

Precision Electroweak Measurements on the Z Resonance (2005)

Schael, S, Barate, R, Brunelière, R, Buskulic, Damir, De Bonis, I, Décamp, D, ...

We report on the final electroweak measurements performed with data taken at the Z resonance by the experiments operating at the electron-positron colliders SLC and LEP. The data consist of 17...

Precision Electroweak Measurements on the Z Resonance (2005)

Schael, S, Barate, R, Brunelière, R, Buskulic, Damir, De Bonis, I, Décamp, D, ...

We report on the final electroweak measurements performed with data taken at the Z resonance by the experiments operating at the electron-positron colliders SLC and LEP. The data consist of 17...

Updated measurement of the $\tau$ lepton lifetime (2005)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

A new measurement of the mean lifetime of the tau lepton is presented. Three different analysis methods are applied to a sample of 90000 tau pairs, collected in 1993 and 1994 with the ALEPH detector...

Searches for scalar top and scalar bottom quarks at LEP2 (2005)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

Searches for scalar top and bottom quarks have been performed with data collected by the ALEPH detector at LEP. The data sample consists of 21.7 pb^-1 taken at sqrt{s} = 161, 170, and 172~GeV and 5.7...

Search for sleptons in $e^+ e^-$ collisions at centre-of-mass energies of 161 GeV and 172 GeV. (2005)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

The data recorded by the ALEPH experiment at LEP at centre-of-mass energies of 161 GeV and 172 GeV were analysed to search for sleptons, the supersymmetric partners of leptons. No evidence for the...

Search for sleptons in $e^+ e^-$ collisions at centre-of-mass energies of 161 GeV and 172 GeV. (2005)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

The data recorded by the ALEPH experiment at LEP at centre-of-mass energies of 161 GeV and 172 GeV were analysed to search for sleptons, the supersymmetric partners of leptons. No evidence for the...

Searches for scalar top and scalar bottom quarks at LEP2 (2005)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

Searches for scalar top and bottom quarks have been performed with data collected by the ALEPH detector at LEP. The data sample consists of 21.7 pb^-1 taken at sqrt{s} = 161, 170, and 172~GeV and 5.7...

Updated measurement of the $\tau$ lepton lifetime (2005)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

A new measurement of the mean lifetime of the tau lepton is presented. Three different analysis methods are applied to a sample of 90000 tau pairs, collected in 1993 and 1994 with the ALEPH detector...

Search for sleptons in $e^+ e^-$ collisions at centre-of-mass energies of 161 GeV and 172 GeV. (2005)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

The data recorded by the ALEPH experiment at LEP at centre-of-mass energies of 161 GeV and 172 GeV were analysed to search for sleptons, the supersymmetric partners of leptons. No evidence for the...

Searches for scalar top and scalar bottom quarks at LEP2 (2005)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

Searches for scalar top and bottom quarks have been performed with data collected by the ALEPH detector at LEP. The data sample consists of 21.7 pb^-1 taken at sqrt{s} = 161, 170, and 172~GeV and 5.7...

Updated measurement of the $\tau$ lepton lifetime (2005)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

A new measurement of the mean lifetime of the tau lepton is presented. Three different analysis methods are applied to a sample of 90000 tau pairs, collected in 1993 and 1994 with the ALEPH detector...

Search for pair-production of long-lived heavy charged particles in $e^+ e^-$ annihilation (2005)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

A search for pair-production of long-lived, heavy, singly-charged particles has been performed with data collected by the ALEPH detector at a centre-of-mass energy of 172 GeV. Data at \sqrt{s} = 161,...

Search for pair-production of long-lived heavy charged particles in $e^+ e^-$ annihilation (2005)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

A search for pair-production of long-lived, heavy, singly-charged particles has been performed with data collected by the ALEPH detector at a centre-of-mass energy of 172 GeV. Data at \sqrt{s} = 161,...

Search for pair-production of long-lived heavy charged particles in $e^+ e^-$ annihilation (2005)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

A search for pair-production of long-lived, heavy, singly-charged particles has been performed with data collected by the ALEPH detector at a centre-of-mass energy of 172 GeV. Data at \sqrt{s} = 161,...

Bellows bifurcating from degenerate homoclinic orbits in conservative systems. (2005)

Homburg, A.J., Knobloch, J.

We study the dynamics near degenerate homoclinic orbits in conservative systems. Typically bellows bifurcate from those orbits. We show the existence of one parameter families of suspended...

EDITORIAL BOARD (2005)

Chair J. Knobloch, L. Robertson, I. Bird, K. Bos, N. Brook, D. Duellmann, ...

All trademarks, copyright names and products referred to in this document are acknowledged as such.

EDITORIAL BOARD (2005)

Chair J. Knobloch, L. Robertson, I. Bird, K. Bos, N. Brook, D. Duellmann, ...

All trademarks, copyright names and products referred to in this document are acknowledged as such.

Epidemiology and clinical features of vivax malaria imported to Europe: sentinel surveillance data from TropNetEurop (2004)

Jelinek, T, Gascon, J, Probst, M, Zoller, T, Schunk, M, ...

BACKGROUND: Plasmodium vivax is the second most common species among malaria patients diagnosed in Europe, but epidemiological and clinical data on imported P. vivax malaria are limited. The...

Multivalent analog functional blocks for Sensor-ASIC circuit design (2004)

Vogel, U., Landwehr, M., Ulbricht, S., Knobloch, J.

In Sensor-ASIC circuit design several basic analog functional blocks can be identified, which occur frequently and therefore may be designed for multivalent purposes. This usually refers to...

Epidemiology and clinical features of vivax malaria imported to Europe: sentinel surveillance data from TropNetEurop (2004)

Mühlberger, N., Jelinek, T., Gascon, J., Probst, M., Zoller, T., Schunk, M., ...

BACKGROUND: Plasmodium vivax is the second most common species among malaria patients diagnosed in Europe, but epidemiological and clinical data on imported P. vivax malaria are limited. The...

Age as a risk factor for severe manifestations and fatal outcome of falciparum malaria in European patients; observations from TropNetEurop- and SIMPID-surveillance data (2003)

Mühlberger, N., Jelinek, T., Behrens, R. H., Gjorup, I., Coulaud, J. P., Clerinx, J., ...

Previous studies have indicated that age is a risk factor for severe falciparum malaria in nonimmune patients. The objectives of this study were to reevaluate previous findings with a larger sample...

Epidemiology and clinical features of imported dengue fever in Europe: Sentinel surveillance data from TropNetEurop (2002)

Muberger, NM, Harms, G, Corachan, M, Grobusch, MP, Knobloch, J, ...

Travelers have the potential both to acquire and to spread dengue virus infection. The incidence of dengue fever (DF) among European travelers certainly is underestimated, because few centers use...

ATLAS meeting (2002)

Bachy, Gérard, Knobloch, J

Technical integration of the overall detector -ATLAS computing status and planning

Multivalent analog functional blocks for sensor-ASIC circuit design (2002)

Vogel, U., Landwehr, M., Ulbricht, S., Knobloch, J.

In Sensor-ASIC circuit design several basic analog functional blocks can be identified, which occur frequently and therefore may be designed for multivalent purposes. This usually refers to...

Multivalent analog functional blocks for sensor-ASIC circuit design (2002)

Vogel, U., Landwehr, M., Ulbricht, S., Knobloch, J.

In Sensor-ASIC circuit design several basic analog functional blocks can be identified, which occur frequently and therefore may be designed for multivalent purposes. This usually refers to...

Fuzzy control of a spin-etching process (2002)

Knobloch, J., Koch, M.

To determine the exact duration of liquid etching processes on spin-etchers an add-on device was developed which analyses optical properties of the wafer surface through a camera. The image...

Multiple Homoclinic Orbits in Conservative and Reversible Systems (2002)

A. J. Homburg, J. Knobloch

We study dynamics near multiple homoclinic orbits to saddles in conservative and reversible flows. We consider the existence of two homoclinic orbits in the bellows configuration, where the...

Epidemiology and clinical features of imported dengue fever in Europe: sentinel surveillance data from TropNetEurop (2002)

Jelinek, T., Mühlberger, N., Harms, G., Corachán, M., Grobusch, M. P., Knobloch, J., ...

Travelers have the potential both to acquire and to spread dengue virus infection. The incidence of dengue fever (DF) among European travelers certainly is underestimated, because few centers use...

Imported falciparum malaria in Europe: sentinel surveillance data from the European Network on Surveillance of Imported Infectious Diseases (2002)

Jelinek, T., Schulte, C., Behrens, R., Grobusch, M. P., Coulaud, J. P., Bisoffi, Z., ...

Malaria continues to have a high morbidity rate associated among European travelers. Thorough recording of epidemiological and clinical aspects of imported malaria has been helpful in the detection...

Bifurcation Og Homoclinic Orbits To A Saddle-Center In Reversible Systems (2001)

Preprint No. M, J. Klaus, J. Knobloch

We consider two-parameter families of reversible vector fields having (at the critical parameter value) a homoclinic orbit to a non-hyperbolic fixed point. The nonhyperbolicity is due to a pair of...

LHC Meeting (2000)

Llewellyn Smith, Christopher Hubert, Colas, Jacques, Gaines, I, Gianotti, F, Innocente, Vincenzo, Jenni, Peter, ...

09.00Ð09.15 Status of the LHC project (C.ÊLlewellyn Smith) 09.15Ð09.45 ATLAS status report 09.45Ð10.45 ATLAS calorimeter Technical Design Report 10.45Ð11.15 Coffee break 11.15Ð12.15 ATLAS...

Measurement of the Z Resonance Parameters at LEP (2000)

Barate, R., Decamp, D., Ghez, P., Goy, C., Lees, J P., Lucotte, A., ...

The properties of the Z resonance are measured from the analysis of 4.5 million Z decays into fermion pairs collected with the \Aleph\ detector at L EP. The data are consistent with lepton...

Übersicht, Ziele und Ergebnisse des Projektes "Mikrosysteme für Diagnose, Steuerungen und Regler" (2000)

Knobloch, J.

Im Projekt MIDAS wurden insgesamt 107 Arbeitspakete in folgenden Schwerpunkten bearbeitet: * Fuzzy-Grundlagen für Mikrodiagnose und Mikroregler * Entwurfs- und Realisierungsgrundlagen...

Intelligente Bildverarbeitung für Naßätzprozesse (2000)

Koch, M., Knobloch, J.

Um die exakte Dauer von Naßätzprozessen zu bestimmen, wurde ein Zusatzgerät für Einzelscheibenätzer entwickelt, das die optischen Eigenschaften der Wafer-Oberfläche durch eine Kamera...

Fuzzy end point detection for liquid etching processes (2000)

Knobloch, J., Koch, M.

To determine the exact duration of liquid etching processes on spin-etchers an add-on device was developed which analyses optical properties of the wafer surface through a camera. The image...

Measurement of the Z Resonance Parameters at LEP (2000)

Barate, R., Decamp, D., Ghez, P., Goy, C., Lees, J P., Lucotte, A., ...

The properties of the Z resonance are measured from the analysis of 4.5 million Z decays into fermion pairs collected with the \Aleph\ detector at L EP. The data are consistent with lepton...

Measurement of the Z Resonance Parameters at LEP (2000)

Barate, R., Decamp, D., Ghez, P., Goy, C., Lees, J P., Lucotte, A., ...

The properties of the Z resonance are measured from the analysis of 4.5 million Z decays into fermion pairs collected with the \Aleph\ detector at L EP. The data are consistent with lepton...

Measurement of the Z resonance parameters at LEP (2000)

Barate, R., Decamp, D., Ghez, P., Goy, C., Lees, J.P., Lucotte, A., ...

The properties of the Z resonance are measured from the analysis of 4.5 million Z decays into fermion pairs collected with the ALEPII detector at LEP. The data are consistent with lepton...

A Single-Chip, 1.6-Billion, 16-b MAC/s Multiprocessor DSP (2000)

B. Ackland, A. Anesko, D. Brinthaupt, S. J. Daubert, A. Kalavade, J. Knobloch, ...

An MIMD multiprocessor digital signal- processing (DSP) chip containing four 64-b processing elements (PE's) interconnected by a 128-b pipelined split transaction bus (STBus) is presented. Each...

Measurement of the Z Resonance Parameters at LEP (1999)

Barate, R, Décamp, D, Ghez, P, Goy, C, Lees, J P, Lucotte, A, ...

The properties of the Z resonance are measured from the analysis of 4.5 million Z decays into fermion pairs collected with the \Aleph\ detector at L EP. The data are consistent with lepton...

Intelligent image processing for liquid etching processes (1999)

Koch, M., Knobloch, J.

To determine the exact duration of liquid etching processes on spin-etchers an add-on device was developed which analyses optical properties of the wafer surface through a camera. The image...

Fuzzy-Systeme im IMS Dresden (1999)

Knobloch, J.

In diesem Vortrag werden drei Fuzzy-Systeme beschrieben, die im Fraunhofer-Institut für Mikroelektronische Schaltungen und Systeme - IMS Dresden - entwickelt wurden: 1. Ein Fuzzy-System zur...

Verfahren zur Herstellung einer Anordnung von in Serie bzw. Reihe geschalteten Einzel-Solarzellen (1998)

Hebling, C., Glunz, S., Raeuber, A., Knobloch, J.

Production of a series-connected solar cell array, which is contacted at only one side, involves (a) producing and structuring an initially continuous semiconductor layer on an insulating substrate...

MULTISPEKTRALSENSORVORRICHTUNG (1998)

Haase, N., Kalz, A., Knobloch, J.

The sensor device has a number of optoelectrical transducers (1), e.g. photodiodes, each of which is wavelength selective, for providing an electrical output signal fed to a respective measuring...

Mikroelektronische Umsetzung von Fuzzy-Systemen (1998)

Knobloch, J.

Fuzzy-Systeme werden meist als Software implementiert, aber in bestimmten Fällen ist eine Hardwarerealisierung sinnvoll oder erforderlich. Solche speziellen Anwendungen mit hohen Anfoderungen an...

Hardware implementation of fuzzy systems (1998)

Knobloch, J.

Fuzzy systems will be implemented mostly as software solutions. But in special cases a hardware implementation is meaningful or even necessary. There are such special applications in the area of...

Measurement of the b baryon lifetime and branching fractions in Z decays (1997)

Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...

Using approximately 4 million hadronic Z decays recorded with the Aleph detector from 1991 through 1995, the lifetime of the b baryon is measured with three independent methods. From the impact...

Updated measurement of the $\tau$ lepton lifetime (1997)

Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...

A new measurement of the mean lifetime of the tau lepton is presented. Three different analysis methods are applied to a sample of 90000 tau pairs, collected in 1993 and 1994 with the ALEPH detector...

Measurement of the W-pair cross section in $e^+ e^-$ collisions at 172 GeV (1997)

Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...

The e+e- --> W+W- cross section is measured in a data sample collected by ALEPH at a mean centre--of--mass energy of 172.09 GEV, corresponding to an integrated luminosity of 10.65 pb-1. Cross...

Searches for scalar top and scalar bottom quarks at LEP2 (1997)

Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...

Searches for scalar top and bottom quarks have been performed with data collected by the ALEPH detector at LEP. The data sample consists of 21.7 pb^-1 taken at sqrt{s} = 161, 170, and 172~GeV and 5.7...

Search for the neutral Higgs bosons of the MSSM in $e^+ e^-$ collisions at $\sqrt{s}$ from 130 to 172 GeV (1997)

Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...

The process e+e- --> h A is used to search for the Higgs bosons of the Minimal Supersymmetric Standard Model (MSSM), in the bbbb and tautaubb final states. The search is performed in the data...

Three-prong $\tau$ decays with charged kaons (1997)

Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...

Final states with charged kaons in three-prong $\tau$ decays are studied by exploiting the particle identification from the dE/dx measurement. The results are based on a sample of about $1.6\times...

Search for the standard model Higgs boson in $e^+ e^-$ collisions at $\sqrt{s}$=161, 170 and 172 GeV (1997)

Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...

The reaction e+e- -> HZ is used to search for the Standard Model Higgs boson. The data sample consists of integrated luminosities of 10.9pb-1 1.1pb-1 and 9.5pb-1 collected by the ALEPH experiment at...

Search for sleptons in $e^+ e^-$ collisions at centre-of-mass energies of 161 GeV and 172 GeV (1997)

Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...

The data recorded by the ALEPH experiment at LEP at centre-of-mass energies of 161 GeV and 172 GeV were analysed to search for sleptons, the supersymmetric partners of leptons. No evidence for the...

Measurement of the transverse spin correlations in the decay $Z \rightarrow \tau^+\tau^-$ (1997)

Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...

For tau leptons produced in e^+e^- -> tau^+ tau^- interactions there are, in addition to the longitudinal spin correlations, two independent transverse spin correlations associated with the...

Search for pair-production of long-lived heavy charged particles in $e^+ e^-$ annihilation (1997)

Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...

A search for pair-production of long-lived, heavy, singly-charged particles has been performed with data collected by the ALEPH detector at a centre-of-mass energy of 172 GeV. Data at \sqrt{s} = 161,...

Search for the $B_{c}$ meson in hadronic Z decays (1997)

Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...

A search for the Bc meson decaying into the channels J/psi pi+ and J/psi l nu (l = e or mu) is performed in a sample of 3.9 million hadronic Z decays collected by the ALEPH detector. This search...

Measurement of the branching fraction for $D^{0} \rightarrow K^{-}\pi^{+}$ (1997)

Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...

The branching fraction for D0 -> K- pi+ is measured with the statistics collected by ALEPH from 1991 to 1994. The method is based on the comparison between the rate for the reconstructed D*+ -> D0...

Measurement of the W mass in $e^{+}e^{-}$ collisions at production threshold (1997)

Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...

In June 1996, the LEP centre-of-mass energy was raised to 161 GeV. Pair production of W bosons in e+e- collisions was observed for the first time by the LEP experiments. An integrated luminosity of...

A Measurement of $R_b$ using a Lifetime-Mass Tag (1997)

Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...

ALEPH's published measurement of $R_b$ using a lifetime tag, is updated using the full LEP~1 data sample. Considerable effort has been devoted to understanding systematic effects. Charm background is...

A Measurement of $R_b$ using Mutually Exclusive Tags (1997)

Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...

A measurement of $R_b$ using five mutually exclusive hemisphere tags has been pe rformed by ALEPH using the full LEP1 statistics. Three tags are designed to sele ct the decay of the $Z^0$ to $b$...

Measurement of the spectral functions of vector current hadronic $\tau$ decays (1997)

Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...

A measurement of the spectral functions of non-strange tau vector current final states is presented, using 124,358 tau pairs recorded by the ALEPH detector at LEP during the years 1991 to 1994. The...

Measurement of the $\tau$ Lepton Lifetime with the Three-dimensional Impact Parameter Method (1997)

Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...

A new method is presented for the measurement of the mean $\tau$ lepton lifetime using events in which $\tau$'s are pair-produced and both $\tau$'s decay to hadrons and $\nu_\tau$. Based on the...

Study of the muon-pair production at centre-of-mass energies from 20 to 136 GeV with the ALEPH detector (1997)

Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...

The total cross section and the forward-backward asymmetry for the process $e^+ e^- \rightarrow \mu^+ \mu^- (n \gamma)$ are measured in the energy range 20-136 GeV by reconstructing the effective...

A measurement of the QCD colour factors and a limit on the light gluino (1997)

Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...

Using data collected from 1992 to 1995 with the ALEPH detector at LEP, a measurement of the colour factor ratios CA/CF and TF/CF and the strong coupling constant $\overline{\alpha}_s = CF...

The topology dependence of charged particle multiplicities in three-jet events (1997)

Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...

A study of individual jet and whole-event charged particle multiplicities in three-jet events measured in e+e- annihilation at the Z reveals a significant topology dependence. Mean jet multiplicities...

Studies of quantum chromodynamics with the ALEPH detector (1997)

Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...

Previously published and as yet unpublished QCD results obtained with the ALEPH detector at LEP1 are presented. The unprecedented statistics allows detailed studies of both perturbative and...

Improved measurement of the $B^0_d$--$\overline{B}^0_d$ Oscillation frequency (1997)

Buskulic, D., De Bonis, I., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

The time dependence of $B^0_d--\bar{B}^0_d$ oscillations is measured by the ALEPH experiment at LEP, using three techniques, two of which are updates of previous measurements. In all cases the charge...

Measurement of the transverse spin correlations in the decay $Z \rightarrow \tau^+\tau^-$ (1997)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

For tau leptons produced in e^+e^- -> tau^+ tau^- interactions there are, in addition to the longitudinal spin correlations, two independent transverse spin correlations associated with the...

Production of orbitally excited charm mesons in semileptonic B decays (1997)

Buskulic, D., De Bonis, I., Decamp, D., Ghez, P., Goy, C., Lees, J.P., ...

A sample of 3.6 million hadronic Z decays recorded between 1991 and 1995 with the ALEPH detector at LEP is used to investigate semileptonic decays of B mesons into final states involving orbitally...

Transverse momentum correlations in hadronic Z decays (1997)

Buskulic, D., De Bonis, I., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

Using data obtained with the ALEPH detector at the Z resonance, a measure based on transverse momentum is shown to exhibit a correlation between the two halves of a hadronic event which cannot be...

Study of muon-pair production at centre-of-mass energies from 20 to 136 GeV with the Aleph detector (1997)

Decamp, D., Ghez, P., Goy, C., Lees, J.P., Lucotte, A., Minard, M.N., ...

The total cross section and the forward-backward asymmetry for the process $e^+ e^- \rightarrow \mu^+ \mu^- (n \gamma)$ are measured in the energy range 20-136 GeV by reconstructing the effective...

Search for the $b_c$ meson in hadronic Z decays (1997)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

A search for the Bc meson decaying into the channels J/psi pi+ and J/psi l nu (l = e or mu) is performed in a sample of 3.9 million hadronic Z decays collected by the ALEPH detector. This search...

Measurement of the W mass in $e^+e^-$ collisions at production threshold (1997)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

In June 1996, the LEP centre-of-mass energy was raised to 161 GeV. Pair production of W bosons in e+e- collisions was observed for the first time by the LEP experiments. An integrated luminosity of...

Measurement of the branching fraction for $d^0 \rightarrow K^-\pi^+$ (1997)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

The branching fraction for D0 -> K- pi+ is measured with the statistics collected by ALEPH from 1991 to 1994. The method is based on the comparison between the rate for the reconstructed D*+ -> D0...

Inclusive production of neutral pions in hadronic Z decays (1997)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

A measurement of the inclusive production of pi0 mesons in hadronic Z decays is presented and compared to Monte Carlo model predictions. The analysis is based on approximately 2 million hadronic...

A study of tau decays involving eta and omega mesons (1997)

Buskulic, D., De Bonis, I., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

The 132 pb$^{-1}$ of data collected by ALEPH from 1991 to 1994 have been used to analyze $\eta$ and $\omega$ production in $\tau$ decays. The following branching fractions have been measured:...

Search for the neutral Higgs bosons of the MSSM in $e^+ e^-$ collisions at $\sqrt{s}$ from 130 to 172 GeV (1997)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

The process e+e- --> h A is used to search for the Higgs bosons of the Minimal Supersymmetric Standard Model (MSSM), in the bbbb and tautaubb final states. The search is performed in the data...

Measurement of the W-pair cross section in $e^+ e^-$ collisions at 172 GeV (1997)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

The e+e- --> W+W- cross section is measured in a data sample collected by ALEPH at a mean centre--of--mass energy of 172.09 GEV, corresponding to an integrated luminosity of 10.65 pb-1. Cross...

Search for the standard model Higgs boson in $e^+ e^-$ collisions at $\sqrt{s}$=161, 170 and 172 GeV (1997)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

The reaction e+e- -> HZ is used to search for the Standard Model Higgs boson. The data sample consists of integrated luminosities of 10.9pb-1 1.1pb-1 and 9.5pb-1 collected by the ALEPH experiment at...

Measurement of the tau lepton lifetime with the three-dimensional impact parameter method. (1997)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

A new method is presented for the measurement of the mean $\tau$ lepton lifetime using events in which $\tau$'s are pair-produced and both $\tau$'s decay to hadrons and $\nu_\tau$. Based on the...

Hardwarerealisierungen von Fuzzy-Systemen (1997)

Knobloch, J., Jeroch, W., Elgner, A., Presberger, T.

Fuzzy-Systeme werden meist als Software implementiert, aber in bestimmten Fällen ist eine Hardwarerealisierung sinnvoll oder erforderlich. Ausgehend von den speziellen Anwendungsschwerpunkten...

Adaptive Fuzzy-Mikrosysteme (1997)

Knobloch, J.

Das Verbundprojekt des BMBF "Adaptive Fuzzy-Mikrosysteme" (ADAM) hatte zum Ziel, neue Verfahren der Signalverarbeitung für die Mikrosystemtechnik nutzbar zu machen. Ausgehend vom Anwendungspotential...

Study of muon-pair production at centre-of-mass energies from 20 to 136 GeV with the Aleph detector (1997)

Decamp, D., Ghez, P., Goy, C., Lees, J.P., Lucotte, A., Minard, M.N., ...

The total cross section and the forward-backward asymmetry for the process $e^+ e^- \rightarrow \mu^+ \mu^- (n \gamma)$ are measured in the energy range 20-136 GeV by reconstructing the effective...

Measurement of the tau lepton lifetime with the three-dimensional impact parameter method. (1997)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

A new method is presented for the measurement of the mean $\tau$ lepton lifetime using events in which $\tau$'s are pair-produced and both $\tau$'s decay to hadrons and $\nu_\tau$. Based on the...

Search for the standard model Higgs boson in $e^+ e^-$ collisions at $\sqrt{s}$=161, 170 and 172 GeV (1997)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

The reaction e+e- -> HZ is used to search for the Standard Model Higgs boson. The data sample consists of integrated luminosities of 10.9pb-1 1.1pb-1 and 9.5pb-1 collected by the ALEPH experiment at...

Measurement of the W-pair cross section in $e^+ e^-$ collisions at 172 GeV (1997)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

The e+e- --> W+W- cross section is measured in a data sample collected by ALEPH at a mean centre--of--mass energy of 172.09 GEV, corresponding to an integrated luminosity of 10.65 pb-1. Cross...

Search for the neutral Higgs bosons of the MSSM in $e^+ e^-$ collisions at $\sqrt{s}$ from 130 to 172 GeV (1997)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

The process e+e- --> h A is used to search for the Higgs bosons of the Minimal Supersymmetric Standard Model (MSSM), in the bbbb and tautaubb final states. The search is performed in the data...

A study of tau decays involving eta and omega mesons (1997)

Buskulic, D., De Bonis, I., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

The 132 pb$^{-1}$ of data collected by ALEPH from 1991 to 1994 have been used to analyze $\eta$ and $\omega$ production in $\tau$ decays. The following branching fractions have been measured:...

Inclusive production of neutral pions in hadronic Z decays (1997)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

A measurement of the inclusive production of pi0 mesons in hadronic Z decays is presented and compared to Monte Carlo model predictions. The analysis is based on approximately 2 million hadronic...

Measurement of the branching fraction for $d^0 \rightarrow K^-\pi^+$ (1997)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

The branching fraction for D0 -> K- pi+ is measured with the statistics collected by ALEPH from 1991 to 1994. The method is based on the comparison between the rate for the reconstructed D*+ -> D0...

Measurement of the W mass in $e^+e^-$ collisions at production threshold (1997)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

In June 1996, the LEP centre-of-mass energy was raised to 161 GeV. Pair production of W bosons in e+e- collisions was observed for the first time by the LEP experiments. An integrated luminosity of...

Search for the $b_c$ meson in hadronic Z decays (1997)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

A search for the Bc meson decaying into the channels J/psi pi+ and J/psi l nu (l = e or mu) is performed in a sample of 3.9 million hadronic Z decays collected by the ALEPH detector. This search...

Transverse momentum correlations in hadronic Z decays (1997)

Buskulic, D., De Bonis, I., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

Using data obtained with the ALEPH detector at the Z resonance, a measure based on transverse momentum is shown to exhibit a correlation between the two halves of a hadronic event which cannot be...

Measurement of the transverse spin correlations in the decay $Z \rightarrow \tau^+\tau^-$ (1997)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

For tau leptons produced in e^+e^- -> tau^+ tau^- interactions there are, in addition to the longitudinal spin correlations, two independent transverse spin correlations associated with the...

Improved measurement of the $B^0_d$--$\overline{B}^0_d$ Oscillation frequency (1997)

Buskulic, D., De Bonis, I., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

The time dependence of $B^0_d--\bar{B}^0_d$ oscillations is measured by the ALEPH experiment at LEP, using three techniques, two of which are updates of previous measurements. In all cases the charge...

Production of orbitally excited charm mesons in semileptonic B decays (1997)

Buskulic, D., De Bonis, I., Decamp, D., Ghez, P., Goy, C., Lees, J.P., ...

A sample of 3.6 million hadronic Z decays recorded between 1991 and 1995 with the ALEPH detector at LEP is used to investigate semileptonic decays of B mesons into final states involving orbitally...

Study of muon-pair production at centre-of-mass energies from 20 to 136 GeV with the Aleph detector (1997)

Decamp, D., Ghez, P., Goy, C., Lees, J.P., Lucotte, A., Minard, M.N., ...

The total cross section and the forward-backward asymmetry for the process $e^+ e^- \rightarrow \mu^+ \mu^- (n \gamma)$ are measured in the energy range 20-136 GeV by reconstructing the effective...

Measurement of the tau lepton lifetime with the three-dimensional impact parameter method. (1997)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

A new method is presented for the measurement of the mean $\tau$ lepton lifetime using events in which $\tau$'s are pair-produced and both $\tau$'s decay to hadrons and $\nu_\tau$. Based on the...

Search for the standard model Higgs boson in $e^+ e^-$ collisions at $\sqrt{s}$=161, 170 and 172 GeV (1997)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

The reaction e+e- -> HZ is used to search for the Standard Model Higgs boson. The data sample consists of integrated luminosities of 10.9pb-1 1.1pb-1 and 9.5pb-1 collected by the ALEPH experiment at...

Measurement of the W-pair cross section in $e^+ e^-$ collisions at 172 GeV (1997)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

The e+e- --> W+W- cross section is measured in a data sample collected by ALEPH at a mean centre--of--mass energy of 172.09 GEV, corresponding to an integrated luminosity of 10.65 pb-1. Cross...

Search for the neutral Higgs bosons of the MSSM in $e^+ e^-$ collisions at $\sqrt{s}$ from 130 to 172 GeV (1997)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

The process e+e- --> h A is used to search for the Higgs bosons of the Minimal Supersymmetric Standard Model (MSSM), in the bbbb and tautaubb final states. The search is performed in the data...

A study of tau decays involving eta and omega mesons (1997)

Buskulic, D., De Bonis, I., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

The 132 pb$^{-1}$ of data collected by ALEPH from 1991 to 1994 have been used to analyze $\eta$ and $\omega$ production in $\tau$ decays. The following branching fractions have been measured:...

Inclusive production of neutral pions in hadronic Z decays (1997)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

A measurement of the inclusive production of pi0 mesons in hadronic Z decays is presented and compared to Monte Carlo model predictions. The analysis is based on approximately 2 million hadronic...

Measurement of the branching fraction for $d^0 \rightarrow K^-\pi^+$ (1997)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

The branching fraction for D0 -> K- pi+ is measured with the statistics collected by ALEPH from 1991 to 1994. The method is based on the comparison between the rate for the reconstructed D*+ -> D0...

Measurement of the W mass in $e^+e^-$ collisions at production threshold (1997)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

In June 1996, the LEP centre-of-mass energy was raised to 161 GeV. Pair production of W bosons in e+e- collisions was observed for the first time by the LEP experiments. An integrated luminosity of...

Search for the $b_c$ meson in hadronic Z decays (1997)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

A search for the Bc meson decaying into the channels J/psi pi+ and J/psi l nu (l = e or mu) is performed in a sample of 3.9 million hadronic Z decays collected by the ALEPH detector. This search...

Transverse momentum correlations in hadronic Z decays (1997)

Buskulic, D., De Bonis, I., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

Using data obtained with the ALEPH detector at the Z resonance, a measure based on transverse momentum is shown to exhibit a correlation between the two halves of a hadronic event which cannot be...

Measurement of the transverse spin correlations in the decay $Z \rightarrow \tau^+\tau^-$ (1997)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

For tau leptons produced in e^+e^- -> tau^+ tau^- interactions there are, in addition to the longitudinal spin correlations, two independent transverse spin correlations associated with the...

Improved measurement of the $B^0_d$--$\overline{B}^0_d$ Oscillation frequency (1997)

Buskulic, D., De Bonis, I., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

The time dependence of $B^0_d--\bar{B}^0_d$ oscillations is measured by the ALEPH experiment at LEP, using three techniques, two of which are updates of previous measurements. In all cases the charge...

Production of orbitally excited charm mesons in semileptonic B decays (1997)

Buskulic, D., De Bonis, I., Decamp, D., Ghez, P., Goy, C., Lees, J.P., ...

A sample of 3.6 million hadronic Z decays recorded between 1991 and 1995 with the ALEPH detector at LEP is used to investigate semileptonic decays of B mesons into final states involving orbitally...

Bifurcation of Degenerate Homoclinics in Reversible and Conservative Systems (1997)

J. Knobloch

We study the bifurcation of homoclinics from a degenerate homoclinic orbit \Gamma in autonomous systems which are either conservative or reversible. More precisely we consider degenerate homoclinics...

Inclusive Production of Neutral Pions in Hadronic Z Decays (1996)

Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...

A measurement of the inclusive production of pi0 mesons in hadronic Z decays is presented and compared to Monte Carlo model predictions. The analysis is based on approximately 2 million hadronic...

Measurement of $|V_{cb}|$, form factors and branching fractions in the decays $\overline{B}^0 \to D^{*+}l^- \overline{\nu}_l$ and $\overline{B}^0 \to D^{+}l^{-}\overline{\nu}_l$ (1996)

Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...

Two samples of exclusive semileptonic decays, 579 B0->D*+l-nu events and 261 B0->D+l-nu events, are selected from approximately 3.9 million hadronic Z decays collected by the ALEPH detector at LEP....

Charm counting in b decays (1996)

Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...

The inclusive production of charmed particles in Z -> bb decays has been measured from the yield of D^0, D^+, D^+_s and Lambda_{c}^+ decays in a sample of qq events with high b purity collected with...

Improved measurement of the $B^0_d$--$\overline{B}^0_d$ Oscillation frequency (1996)

Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...

The time dependence of $B^0_d--\bar{B}^0_d$ oscillations is measured by the ALEPH experiment at LEP, using three techniques, two of which are updates of previous measurements. In all cases the charge...

A study of tau decays involving eta and omega mesons (1996)

Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...

The 132 pb$^{-1}$ of data collected by ALEPH from 1991 to 1994 have been used to analyze $\eta$ and $\omega$ production in $\tau$ decays. The following branching fractions have been measured:...

Observation of charmless hadronic B decays (1996)

Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...

Four candidates for charmless hadronic B decay are observed in a data sample of four million hadronic Z decays recorded by the {\sc aleph} detector at {\sc lep} . The probability that these events...

Transverse Momentum Correlations in Hadronic Z decays (1996)

Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...

Using data obtained with the ALEPH detector at the Z resonance, a measure based on transverse momentum is shown to exhibit a correlation between the two halves of a hadronic event which cannot be...

Search for Excited Leptons at 130 - 140 GeV (1996)

Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...

A search for the radiative decay of excited charged leptons, $\ls$, and for radiative and weak decays of excited electron neutrinos, $\nu_e^*$, is performed, using the 5.8~$\ipb$ of data collected by...

Four fermion production in $e^+ e^-$ collisions at centre-of-mass energies of 130 and 136 GeV (1996)

Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...

Four-fermion events have been selected in a data sample of 5.8 pb**-1 collected with the ALEPH detector at centre-of-mass energies of 130 and 136 GeV. The final states l^+l^- qqbar, l^+l^-l^+l^-,...

Search for charginos and neutralinos with R-parity violation at $\sqrt{s}$ = 130 and 136 GeV (1996)

Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...

Searches for charginos and neutralinos produced in e+e- collisions at centre-of-mass energies of 130 and 136 GeV have been performed under the assumptions that R-parity is not conserved, that the...

Mass limit for the lightest neutralino (1996)

Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...

Indirect limits on the mass of the lightest neutralino are derived from the results of searches for charginos, neutralinos, and sleptons performed with data taken by the ALEPH Collaboration at...

Strange b baryon production and lifetime in Z decays (1996)

Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...

In a data sample of approximately four million hadronic Z decays recorded with the ALEPH detector from 1990 to 1995, a search for the strange b baryon Xi_b is performed with a study of Xi-lepton...

Search for heavy lepton pair production in e+e- collisions at centre-of-mass energies of 130 and 136 GeV (1996)

Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...

A search for pair production of new heavy leptons has been performed assuming different scenarios for the mixing of the new particles with Standard Model leptons. No candidate events were found in a...

Mass Limit for the standard model Higgs boson with the full LEP I ALEPH data sample (1996)

Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...

background from the electroweak process e+e- --> l+ l- q qbar. This search results in a 95% C.L. lower limit on the Higgs boson mass of $63.9$~\Gcs. The reaction e+e- --> HZ* is used to search for...

Search for CP violation in the decay Z --> b$\overline{b}$g (1996)

Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...

About three million hadronic decays of the Z collected by ALEPH in the years 1991 to 1994 are used to search for anomalous CP violation beyond the Standard Model in the decay Z -> bbg. The study is...

Measurement of the b forward-backward asymmetry and mixing using high-p$_{\perp}$ leptons (1996)

Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...

The B0-B0# average mixing parameter chi and b forward-backward asymmetry are measured from a sample of 4,200,000 Z -> q qbar events recorded with the ALEPH detector at LEP in the years 1990-1995....

A study of single and multi-photon production in e+e- collisions at centre-of-mass energies of 130 and 136 GeV (1996)

Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...

The production of final states involving one or more energetic photons from e+e- collisions at high energies is studied using data collected by the ALEPH detector at LEP. The data consist of two...

Four-jet final state production in e+e- collisions at centre-of-mass energies of 130 and 136 GeV (1996)

Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...

The four-jet final state is analyzed to search for hadronic decays of pair-produced heavy particles. The analysis uses the ALEPH data collected at LEP in November 1995 at centre-of-mass energies of...

Studies of QCD in $e^{+}e^{-}\to$ hadrons at E$_{cm}$ = 130 and 136 GeV (1996)

Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...

Studies of QCD in $\mbox{e}^+\mbox{e}^- \rightarrow$ Hadrons at $E_{cm} = $} 130 and 136 GeV The ALEPH Collaboration An analysis of the properties of hadronic final states produced in...

Measurement of hadron and lepton-pair production from e+e- annihilation at centre-of-mass energies of 130 and 136 GeV (1996)

Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...

Hadronic and leptonic cross-sections and forward-backward asymmetries are measured using 5.7~pb$^{-1}$ of data taken with the ALEPH detector at LEP at $\cms$ energies of 130 and 136~GeV. The results...

Study of the B$_{s}^{0}\overline{B}_{s}^{0}$ oscillation frequency using D$_{s}^{-}$l$^{+}$ combinations in Z decays (1996)

Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...

A lower limit on the oscillation frequency of the BsBsbar system is obtained from approximately four million hadronic Z decays accumulated using the ALEPH detector at LEP from 1991 to 1995. Leptons...

Measurement of the mass of the $\Lambda_{b}$ baryon (1996)

Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...

In a data sample of four million hadronic \Z\ decays collected with the ALEPH detector at LEP, four $\Lambda_b$ baryon candidates are exclusively reconstructed in the $\Lambda_b \rightarrow...

Determination of sin$^{2}\vartheta^{eff}_{W}$ using jet charge measurements in hadronic Z decays (1996)

Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...

The electroweak mixing angle is determined with high precision from measurements of the mean difference between forward and backward hemisphere charges in hadronic decays of the Z. A data sample of...

Improved measurement of the $\overline{B}^{0}$ and B$^{-}$ meson lifetimes (1996)

Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...

The lifetimes of the \b0 \ and \bp\ mesons have been measured with the \aleph\ detector at LEP, using approximately 3 million hadronic Z decays collected in the period 1991--1994. In the first of...

Search for supersymmetric particles in e+e- collisions at centre-of-mass energies of 130 and 136 GeV (1996)

Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...

Search for supersymmetric particles in e+e- collisions at centre-of-mass energies of 130 and 136 GeV. Searches for supersymmetric particles produced in e+e- collisions at centre-of-mass energies of...

Measurement of $\Lambda$ polarization from Z decays (1996)

Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...

The polarization of \Lambda baryons from Z decays is studied with the {\sc Aleph} apparatus. Evidence of longitudinal polarization of s quarks from Z decay is observed for the first time. The...

Quark and gluon jet properties in symmetric three-jet events (1996)

Buskulic, Damir, Casper, David William, De Bonis, I, Décamp, D, Ghez, P, Goy, C, ...

Quark and gluon jets with the same energy, 24GeV, are compared in symmetric three-jet configurations from hadronic Z decays observed by the ALEPH detector. Jets are defined using the Durham...

Matauitatau - ein sehr kontroverses Problem der philologischen Textkritik der Stelle bei Petronius, Cena Trimalchionis 62,9 (1996)

Knobloch, J.

L'autor parteix d'un fragment d'Isidor per explicar l'origen d'aquesta paraula i, en conseqüència, també el seu significat. El fragment d'Isidor fa referència al costum de marcar amb una tau els...

Optimization of an on-chip fuzzy temperature controller (1996)

Knobloch, J., Presberger, T.

A microsystem which controls the temperature on a sensor-chip and classifies gases, both by means of fuzzy logic, will be presented. Based on a realized chip, the design and the optimization of the...

Optimierung eines on-chip Fuzzy-Temperaturreglers (1996)

Knobloch, J.

Für integrierte Mikrosysteme werden oft on-chip-Sensoren benötigt, bei denen ein Kompromiß zwischen Meßgenauigkeit, Funktionssicherheit und Zuverlässigkeit auf der einen Seite und...

Fuzzy-Mikrosysteme in der Sensorik (1996)

Knobloch, J.

Für Mikrosysteme werden oft on-chip-Sensoren benötigt, bei denen meist ein Kompromiß zwischen Meßgenauigkeit, Funktionssicherheit und Zuverlässigkeit auf der einen Seite und Integrierbarkeit,...

Measurement of $\Lambda_{b}$ polarization in Z decays (1995)

Buskulic, Damir, Casper, David William, De Bonis, I, Décamp, D, Ghez, P, Goy, C, ...

The \Lambda_{\mathrm{b}} polarization in hadronic \mathrm{Z} decays is measured in semileptonic decays from the average energies of the charged lepton and the neutrino. In a data sample of...

Tau hadronic branching ratios (1995)

Buskulic, Damir, Casper, David William, De Bonis, I, Décamp, D, Ghez, P, Goy, C, ...

From 64492 selected \tau-pair events, produced at the Z^0 resonance, the measurement of the tau decays into hadrons from a global analysis using 1991, 1992 and 1993 ALEPH data is presented. Special...

Measurement of the B$^{0}_{s}$ lifetime and production rate with D$^{-}_{s}$ l$^{+}$ combinations in Z decays (1995)

Buskulic, Damir, Casper, David William, De Bonis, I, Décamp, D, Ghez, P, Goy, C, ...

The lifetime of the \bs meson is measured in approximately 3 million hadronic Z decays accumulated using the ALEPH detector at LEP from 1991 to 1994. Seven different \ds decay modes were...

Measurement of the $\tau$ lepton lifetime (1995)

Buskulic, Damir, Casper, David William, De Bonis, I, Décamp, D, Ghez, P, Goy, C, ...

The mean lifetime of the \tau lepton is measured in a sample of 25700 \tau pairs collected in 1992 with the ALEPH detector at LEP. A new analysis of the 1-1 topology events is introduced. In this...

Tau leptonic branching ratios (1995)

Buskulic, Damir, Casper, David William, De Bonis, I, Décamp, D, Ghez, P, Goy, C, ...

A sample of 62249 \tau-pair events is selected from data taken with the ALEPH detector in 1991, 1992 and 1993. The measurement of the branching fractions for \tau decays into electrons and muons is...

A precise measurement of the average b hadron lifetime (1995)

Buskulic, Damir, Casper, David William, De Bonis, I, Décamp, D, Ghez, P, Goy, C, ...

An improved measurement of the average b hadron lifetime is performed using a sample of 1.5 million hadronic Z decays, collected during the 1991-1993 runs of ALEPH, with the silicon vertex detector...

Production of excited beauty states in Z decays (1995)

Buskulic, Damir, Casper, David William, De Bonis, I, Décamp, D, Ghez, P, Goy, C, ...

A data sample of about 3.0 million hadronic Z decays collected by the ALEPH experiment at LEP in the years 1991 through 1994, is used to make an inclusive selection of B~hadron events. In this event...

Limit on B$^{0}_{s}$ oscillation using a jet charge method (1995)

Buskulic, Damir, Casper, David William, De Bonis, I, Décamp, D, Ghez, P, Goy, C, ...

A lower limit is set on the B_{s}^{0} meson oscillation parameter \Delta m_{s} using data collected from 1991 to 1994 by the ALEPH detector. Events with a high transverse momentum lepton and a...

Measurements of the charged particle multiplicity distribution in restricted rapidity intervals (1995)

Buskulic, Damir, Casper, David William, De Bonis, I, Décamp, D, Ghez, P, Goy, C, ...

Charged particle multiplicity distributions have been measured with the ALEPH detector in restricted rapidity intervals |Y| \leq 0.5,1.0, 1.5,2.0\/ along the thrust axis and also without restriction...

Measurements of the charged particle multiplicity distribution in restricted rapidity intervals (1995)

Buskulic, D., Casper, D., De Bonis, I., Decamp, D., Ghez, P., Goy, C., ...

Charged particle multiplicity distributions have been measured with the ALEPH detector in restricted rapidity intervals $|Y| \leq 0.5,1.0,1.5,2.0$ along the thrust axis and also without restriction...

Measurement of the B$^0_s$ lifetime and production rate with D$^-_s l^+$ combinations in Z decays (1995)

Buskulic, D., Casper, D., De Bonis, I., Decamp, D., Ghez, P., Goy, C., ...

The lifetime of the \bs meson is measured in approximately 3 million hadronic Z decays accumulated using the ALEPH detector at LEP from 1991 to 1994. Seven different \ds decay modes were...

Limit on $B^0_s$ oscillation using a jet charge method (1995)

Buskulic, D., Casper, D., De Bonis, I., Decamp, D., Ghez, P., Goy, C., ...

A lower limit is set on the B_{s}^{0} meson oscillation parameter \Delta m_{s} using data collected from 1991 to 1994 by the ALEPH detector. Events with a high transverse momentum lepton and a...

An upper limit for the $\tau$ neutrino mass from $\tau \rightarrow 5 \pi (\pi^0) \nu_{\tau}$ decays (1995)

Buskulic, D., Casper, D., De Bonis, I., Decamp, D., Ghez, P., Goy, C., ...

An upper limit for the tau-neutrino mass has been determined from the decay tau -> 5pi+- \nu_tau using data collected with the OPAL detector from 1991 to 1995 in e+e- collisions at \sqrt{s} ~ M_Z. A...

Das Projekt ADAM (1995)

Knobloch, J.

Im BMBF-Verbundprojekt "Adaptive Fuzzy-Mikrosysteme" (ADAM) arbeiten drei Unternehmen und vier Forschungseinrichtungen gemeinsam am Einsatz der Fuzzy-Technologien in der Mikrosystemtechnik. Ausgehend...

Ein Fuzzy-Mikrosystem zur Gasklassifikation (1995)

Knobloch, J.

Der Aufsatz beschreibt ein Fuzzy-Mikrosystem zur Gasklassifikation, welches mit dem Ziel einer on-chip-Realisierung entwickelt wird. Die Fuzzy-Technik wird dabei benutzt sowohl zur Klassifikation...

Measurements of the charged particle multiplicity distribution in restricted rapidity intervals (1995)

Buskulic, D., Casper, D., De Bonis, I., Decamp, D., Ghez, P., Goy, C., ...

Charged particle multiplicity distributions have been measured with the ALEPH detector in restricted rapidity intervals $|Y| \leq 0.5,1.0,1.5,2.0$ along the thrust axis and also without restriction...

Measurement of the B$^0_s$ lifetime and production rate with D$^-_s l^+$ combinations in Z decays (1995)

Buskulic, D., Casper, D., De Bonis, I., Decamp, D., Ghez, P., Goy, C., ...

The lifetime of the \bs meson is measured in approximately 3 million hadronic Z decays accumulated using the ALEPH detector at LEP from 1991 to 1994. Seven different \ds decay modes were...

Limit on $B^0_s$ oscillation using a jet charge method (1995)

Buskulic, D., Casper, D., De Bonis, I., Decamp, D., Ghez, P., Goy, C., ...

A lower limit is set on the B_{s}^{0} meson oscillation parameter \Delta m_{s} using data collected from 1991 to 1994 by the ALEPH detector. Events with a high transverse momentum lepton and a...

An upper limit for the $\tau$ neutrino mass from $\tau \rightarrow 5 \pi (\pi^0) \nu_{\tau}$ decays (1995)

Buskulic, D., Casper, D., De Bonis, I., Decamp, D., Ghez, P., Goy, C., ...

An upper limit for the tau-neutrino mass has been determined from the decay tau -> 5pi+- \nu_tau using data collected with the OPAL detector from 1991 to 1995 in e+e- collisions at \sqrt{s} ~ M_Z. A...

Measurements of the charged particle multiplicity distribution in restricted rapidity intervals (1995)

Buskulic, D., Casper, D., De Bonis, I., Decamp, D., Ghez, P., Goy, C., ...

Charged particle multiplicity distributions have been measured with the ALEPH detector in restricted rapidity intervals $|Y| \leq 0.5,1.0,1.5,2.0$ along the thrust axis and also without restriction...

Measurement of the B$^0_s$ lifetime and production rate with D$^-_s l^+$ combinations in Z decays (1995)

Buskulic, D., Casper, D., De Bonis, I., Decamp, D., Ghez, P., Goy, C., ...

The lifetime of the \bs meson is measured in approximately 3 million hadronic Z decays accumulated using the ALEPH detector at LEP from 1991 to 1994. Seven different \ds decay modes were...

Limit on $B^0_s$ oscillation using a jet charge method (1995)

Buskulic, D., Casper, D., De Bonis, I., Decamp, D., Ghez, P., Goy, C., ...

A lower limit is set on the B_{s}^{0} meson oscillation parameter \Delta m_{s} using data collected from 1991 to 1994 by the ALEPH detector. Events with a high transverse momentum lepton and a...

An upper limit for the $\tau$ neutrino mass from $\tau \rightarrow 5 \pi (\pi^0) \nu_{\tau}$ decays (1995)

Buskulic, D., Casper, D., De Bonis, I., Decamp, D., Ghez, P., Goy, C., ...

An upper limit for the tau-neutrino mass has been determined from the decay tau -> 5pi+- \nu_tau using data collected with the OPAL detector from 1991 to 1995 in e+e- collisions at \sqrt{s} ~ M_Z. A...

examination of defects located by thermometry in 1.5 GHz superconducting niobium cavities (1995)

Knobloch Durand Muller, J. Knobloch, R. Dur, H. Muller, H. Padamsee

A new high resolution, high speed thermometry system has been built at Cornell to permit the study of anomalous loss regions in 1.5 GHz superconducting Nb cavities in superfluid He. Following a...

Homoclinic Points Near Degenerate Homoclinics (1995)

U. Schalk, J. Knobloch

We consider periodic pertubations of a family of autonomous vector fields which has a degenerate homoclinic orbit. We show that the set of parameters for which homoclinic points exist is foliated by...

On-chip fuzzy temperature control (1994)

Knobloch, J., Koch, M.

This paper describes a fuzzy-microsystem which controls the temperature on a sensor-chip and classifies gases, both by means of fuzzy logic. This problem is an integral part of the research-project...

The influence of oxide thickness on the passivation of high efficiency silicon solar cells (1993)

Kopp, J., Knobloch, J., Wettling, W.

By comparison of simultaneously processed solar cells, bifacial cells and contactless photoconductivity decay (PCD) test wafers the effect of varying oxide thickness (14nm - 80nm) on the passivation...

Fuzzy-Logik für Chip-Sensoren (1993)

Knobloch, J.

Bei Fuzzy-Anwendungen verzichtet man auf Genauigkeit um jeden Preis. Durch die Beschränkung auf das Nötige bleiben auch komplizierte Aufgaben einfach und übersichtlich. Über das mit Fuzzy-Logik...

Fuzzy-Anwendungen in der Mikrosystemtechnik (1993)

Knobloch, J.

Applikative Erfordernisse der nächsten Jahre wie Kompaktheit, erweiterte Funktionalität, schneller Datendurchfluß, Einsatz in mobilen Systemen oder geringe Kosten erfordern neben Softwarelösungen...

Fuzzy-Anwendungen in der Mikrosystemtechnik (1993)

Knobloch, J.

Applikative Erfordernisse der nächsten Jahre wie Kompaktheit, erweiterte Funktionalität, schneller Datendurchfluß, Einsatz in mobilen Systemen oder geringe Kosten erfordern neben Softwarelösungen...

Optimierung von integrierten Fuzzy-Schaltungen (1992)

Jeroch, W., Knobloch, J., Koch, M.

Viele Aufgaben der Steuerungs- und Regelungstechnik und der Klassifikation lassen sich effektiv mit der Fuzzy-Logik bearbeiten. Erweiterte Funktionalität und steigende Geschwindigkeitsanforderungen...

SiO2-passivated high efficiency silicon solar cells - process dependence of Si-SiO2 interface recombination (1991)

Glunz, S., Warta, W., Kopp, J., Aberle, A.G., Knobloch, J.

In comparison of simultaneously processed MOS test structures and solar cells the effect of variing postmetallization annealing time and temperature, oxidation temperature and ambient as well as the...

Impact of metallization techniques on 20 % efficient silicon solar cells (1991)

Kopp, I., Warta, W., Glunz, S., Knobloch, J., Aberle, A.G.

The damage to the Si-SiOsub2 interface by electron- beam in comparison to thermal (i.e. resistive heating) evaporation of Al and Ti is investigated for oxide thicknesses ranging from 14 to 105 nm....

Surface passivation of high efficiency silicon solar cells (1990)

Warta, W., Voß, B., Aberle, A.G., Knobloch, J.

Theroretically and experimentally determined design guides for reducing significantly recombination at the emitter and rear surfaces of full-area AI-BSF and oxide passivated bifacial cells are given....

Starting points for raising the efficiency of practical silicon solar cells (1990)

Warta, W., Aberle, A.G., Knobloch, J., Voss, B.

High efficiency of solar cells has become an important factor for cost reduction of solar arrays. Curves are presented to find the most favorable starting point to increase the efficiency of solar...