Expected Performance of the ATLAS Experiment - Detector, Trigger and Physics (2008)
Abat, E., Abbott, B., Abdallah, J., Abdelalim, A. A., Abdesselam, A., ...
A detailed study is presented of the expected performance of the ATLAS detector. The reconstruction of tracks, leptons, photons, missing energy and jets is investigated, together with the performance...
A Study of f_0(1500) decays into ... in ...v at Rest (2008)
A. Abele, J. Adomeit, C. Amsler, D.S. Armstrong, C.A. Baker, B. M. Barnett, ...
Klempt c , H. Koch b , C. Kolo n , M. Kunze b , M. Lakata a , R. Landua f , J. Ludemann b , H. Matthaey b , R. McCrady l , J. Meier g , J.P. Merlo k , C.A. Meyer l , L. Montanet f , A. Noble p4 , R....
A High Resolution Search for the Tensor (2008)
Glueball Candidate Crystal, C. Amsler, B. M. Barnett, C. J. Batty, M. Benayoun, A. Berdoz, ...
We report results of a high resolution search for the tensor glueball candidate #(2230) in a pp formation experiment. # and ## decay channels were measured in a scan of the mass region 2220 MeV to...
A. Abele, J. Adomeit, C. Amsler, B. M. Barnett, C. J. Batty, M. Benayoun
(will be inserted by the editor) Test of NN potential models: Isospin relations in pd annihilations at rest and the search for quasinuclear bound states
Antiproton-Proton Annihilation At Rest Into (2007)
Gamma Crystal Barrel, A. Abele, J. Adomeit, C. Amsler, B. M. Barnett, C. J. Batty
The annihilation channel pp!K + K \Gamma 0 in liquid hydrogen at rest has been studied with the Crystal Barrel detector at LEAR. The measured branching ratio is: BR(pp!K + K \Gamma 0 ) = (2:37 \Sigma...
Crystal Barrel Collaboration A. Abele (2007)
Adomeit Amsler Anisovich, A. Abele, J. Adomeit, C. Amsler, B. M. Barnett, C. J. Batty
, U. Kurilla b , M. Lakata a , R. Landua f , H. Matthay b , R. McCrady m , J. Meier g , C.A. Meyer m , L. Montanet f , R. Ouared f , F. Ould-Saada o , K. Peters b , B. Pick c , C. Pietra o , C.N....
A New Analysis of the Radiative Decay (2007)
K. M. Crowe, F. H. Heinsius, P. Kammel, M. Lakata, T. Degener, ...
We report on a measurement of the branching ratio of the rare decay #### relative to the well known decay ### 0 #. The #'s are produced in pp### and pp## 0 #. Eigenstate mixing and interference...
Observation of Pontecorvo reactions with open strangeness: (2007)
The Crystal Barrel, A. Abele, J. Adomeit, C. Amsler, B. M. Barnett, C. J. Batty, ...
We report the first observation of antiproton annihilation on the deuteron into two-body channels with open strangeness. These reactions are of the Pontecorvo type, designating annihilations...
At And Mev, Z. Phys, C Manuscript-nr, A. Abele, B. Adomeit, C. Amsler, ...
. The annihilation channels pp!! 0 , !j, !j 0 were studied with the Crystal Barrel detector at LEAR at p-momenta of 600, 1200, and 1940 MeV=c. In most cases angular distributions were measured which...
Recent Results in Light Meson Spectroscopy From Low-Energy (2007)
Annihilations Hessey, C. Amsler, D. S. Armstrong, B. M. Barnett, C. J. Batty, K. Beuchert, ...
The rich variety of final states in ¯ pp annihilation at rest provides a promising environment for meson spectroscopy with particular emphasis on the search for exotic mesons like glue-balls,...
Decay Branching, A. Abele, J. Adomeit, C. Amsler, B. M. Barnett, C. J. Batty, ...
We have measured the branching ratio for the radiative decay ! ! jfl with ! mesons produced in antiproton-proton annihilation at rest into ß 0 ! and j!. Taking into account ae \Gamma ! mixing we...
Search For A New Light Gauge Boson In Decays Of (2007)
Amsler Armstrong, D. S. Armstrong, B. M. Barnett
Upper limits for the production of new light gauge bosons in ß 0 , j and j 0 decays have been obtained with the Crystal Barrel detector. The kinematically well-constrained reactions pp ! ß 0 ß 0 P...
High Statistics Study of (2007)
Decay Into, C. Amsler, D. S. Armstrong, B. M. Barnett, C. J. Batty, K. Beuchert, ...
f , J. Ludemann b , H. Matthaey b , R. McCrady l , M. Merkel k 9 , J.P. Merlo k , C.A. Meyer l , L. Montanet f , A. Noble o 10 , F. Ould--Saada o K. Peters b , C.N. Pinder e , G. Pinter d , S....
Crystal Barrel Collaboration A. Abele (2007)
Adomeit Amsler, A. Abele, J. Adomeit, C. Amsler, D. S. Armstrong, B. M. Barnett
M. Kunze b , M. Lakata a , R. Landua f , J. Ludemann b , H. Matthay b , R. McCrady n , J. Meier g , C.A. Meyer n , L. Montanet f , A. Noble p;4 , R. Ouared f , F. Ould-Saada p , K. Peters b , C.N....
Measurement of the Decay Distribution of (2007)
Gamma And, A. Abele, J. Adomeit, C. Amsler, C. A. Baker, B. M. Barnett
andua f , J. Ludemann b , H. Matthay b , R. McCrady n , J. Meier g , C.A. Meyer n , L. Montanet f , R. Ouared f , F. Ould-Saada p , K. Peters b , C. Pietra p , C.N. Pinder e , G. Pinter d , C....
Pp Annihilation At Rest Into (2007)
Crystal Barrel, C. Amsler, D. S. Armstrong, I. Augustin, B. M. Barnett, C. J. Batty, ...
Matthay b , M. Merkel j 9 , J.P. Merlo j , C.A. Meyer l , L. Montanet e , A. Noble n , F. Ould-Saada n , K. Peters b , C.N. Pinder d , G. Pinter c , S. Ravndal b10 , J. Salk b , A.H. Sanjari h 11 ,...
EUROPEAN ORGANIZATION FOR NUCLEAR RESEARCH 15 September 1997 (2007)
Antiproton-Proton Annihilation, A. Abele, J. Adomeit, C. Amsler, C. A. Baker, B. M. Barnett, ...
The decay ¯ pp (at rest)! K ffi L K \Sigma ß \Upsilon ß ffi , studied on a sample of more than 14000 events, is found to proceed dominantly via two-body channels containing resonances with open...
J. Adomeit, B. Kammle, J. Meier, P. Schmidt, R. Seibert, U. Strohbusch (2007)
A. Abele, S. Bischoff, P. Blum, N. Djaoshvili, D. Engelhardt, ...
We present a measurement and partial wave analysis of the final state KLK \Sigma ß \Upsilon of ¯ pp annihilation at rest in liquid hydrogen. This reaction is important for the study of the ¯ KK...
Crystal Barrel Collaboration A. Abele (2007)
Adomeit Amsler, A. Abele, J. Adomeit, C. Amsler, B. M. Barnett, C. J. Batty
b , R. McCrady m , J. Meier g , C.A. Meyer m , L. Montanet f , R. Ouared f , F. Ould-Saada o , K. Peters b , B. Pick c , C. Pietra o , C.N. Pinder e , M. Ratajczak b , C. Regenfus k;7 , S. Resag c ,...
Crystal Barrel Collaboration A. Abele (2007)
Adomeit Amsler, A. Abele, J. Adomeit, C. Amsler, B. M. Barnett, C. J. Batty, ...
J. Meier g , C.A. Meyer m , L. Montanet f , R. Ouared f , F. Ould-Saada o , K. Peters b , B. Pick c , C. Pietra o , C.N. Pinder e , M. Ratajczak b , C. Regenfus k , S. Resag c , W. Roethel k , P....
Momentum Dependence of the Decay (2007)
Gamma Crystal, A. Abele, J. Adomeit, C. Amsler, B. M. Barnett, C. J. Batty, ...
, R. McCrady n , J. Meier g , C.A. Meyer n , L. Montanet f , R. Ouared f , F. Ould-Saada p , K. Peters b , B. Pick c , C. Pietra p , C.N. Pinder e , M. Ratajczak b , C. Regenfus l , S. Resag c , W....
First Observations of Pontecorvo Reactions With a Recoiling Neutron (2007)
C. Amsler, D. S. Armstrong, I. Augustin, C. A. Baker, B. M. Barnett, C. J. Batty, ...
We report the first observations of Pontecorvo reactions of the type pd ® Xn. We fully reconstruct the outgoing meson and, for antiprotons stopped in liquid deuterium, we measure: BR(pd ® p 0 n ) =...
Crystal Barrel Collaboration A. Abele (2007)
Adomeit Amsler, A. Abele, J. Adomeit, C. Amsler, B. M. Barnett, C. J. Batty, ...
this paper we present data on ¯ pp annihilation at rest into ß
Antiproton-Proton Annihilation At Rest Into (2007)
Abele Adomeit, A. Abele, J. Adomeit, C. Amsler, C. A. Baker, B. M. Barnett, ...
The annihilation channel ¯ pp ! K L K S ß 0 ß 0 was studied with the Crystal Barrel detector at LEAR. This final state with negative C-parity is dominated by the strange resonances K (892), K 1...
A. Abele, J. Adomeit, Amsler Armstrong, D. S. Armstrong, B. M. Barnett, C. J. Batty, ...
: The f 0 (1500) is observed in its KK decay 1 Now at College of William & Mary, Williamsburg,USA 2 Now at Universitat Dresden, Dresden, Germany 3 This work is the Ph.D. thesis of S. v....
Pp-Annihilation At, C. Amsler, I. Augustin, B. M. Barnett, C. J. Batty, K. Beuchert, ...
.02> m , U. Meyer-Berkhout h , L. Montanet c , A. Noble m , K. Peters a , G. Pinter b , S. Ravndal a , A.H. Sanjari i , E. Schafer g , B. Schmid m , P. Schmidt d , S. Spanier g , C. Straßburger g...
Observation of Resonances in the Reaction (2007)
At Gev, A. Abele, B. Adomeit, C. Amsler, B. M. Barnett, C. J. Batty
. Antiproton-proton annihilation into ß 0 jj has been studied with the Crystal Barrel spectrometer at CERN at an incident beam momentum of 1.94 GeV/c. The data were taken with a trigger requiring...
Crystal Barrel Collaboration A. Abele (2007)
Adomeit Amsler, A. Abele, J. Adomeit, C. Amsler, B. M. Barnett
Landua f , J. Ludemann b , H. Matthay b , R. McCrady n , J. Meier g , C.A. Meyer n , L. Montanet f , A. Noble p;3 , R. Ouared f , F. Ould-Saada p , K. Peters b , B. Pick c , C. Pietra p , C.N. Pinder...
The ATLAS Level-1 Trigger: Status of the System and First Results from Cosmic-Ray Data (2007)
Berge, D, Aielli, G, Andrei, V, Achenbach, R, Adragna, P, Aloisio, A, ...
The ATLAS detector at CERN's Large Hadron Collider (LHC) will be exposed to proton-proton collisions from beams crossing at 40 MHz. At the design luminosity of 10^34 cm^-2 s^-1 there are on average...
Production Test Rig for the ATLAS Level-1 Calorimeter Trigger Digital Processors (2007)
Mahout, Gilles, Achenbach, R, Andrei, V, Bauss, B, Barnett, B M, Böhm, C, ...
High Density Backplanes: Problems and Solutions (2006)
Achenbach, R, Andrei, V, Barnett, B M, Bauss, B, Böhm, C, Booth, J R A, ...
The backplane and crate infrastructure for the digital processors of the ATLAS Level-1 Calorimeter Trigger (L1Calo) are presented, The L1Calo system is a compact, high-performance real-time system...
Study of K anti-K resonances in anti-p p ---> K+ K- pi0 at 900-MeV/c and 1640-MeV/c (2006)
Crystal Barrel Collaboration, Amsler, C., Baker, C. A., Barnett, B. M., Batty, C. J., Benayoun, M., ...
ProminentK ¯ K resonances observed in the in-flight annihilation of ¯ pp intoK+K−π0 include f2(1270), f0(1500), f 2 (1525), φ(1680)/ρ(1700) and a state at 1750 MeV/c2...
The first-level trigger of ATLAS (2005)
Haller, J, Achenbach, R, Aielli, G, Aloisio, A, Alviggi, M G, Aprodu, V, ...
Due to the huge interaction rates and the tough experimental environment of pp collisions at a centre-of-mass energy sqrt(s)=14 TeV and luminosities of up to 10^34cm^-2s^-1, one of the experimental...
Garvey, J, Achenbach, R, Apostologlou, A, Barnett, B M, Bauss, B, Brawn, I P, ...
At the full LHC design luminosity of 10^34 cm^-2 s^-1 there will be approximately 10^9 proton-proton interactions per second. The ATLAS level-1 trigger is required to have an acceptance factor of...
ATLAS Level-1 Calorimeter Trigger: Subsystem Tests of a Jet/Energy-sum Processor Module (2003)
Garvey, J, Hillier, S J, Mahout, G, Moye, T H, Staley, R J, Watkins, P M, ...
The ATLAS Level-1 Calorimeter Trigger consists of a Preprocessor, a Cluster Processor (CP), and a Jet/Energy-sum Processor (JEP). The CP and JEP receive digitised trigger-tower data from the...
The ATLAS Level-1 Calorimeter Trigger Architecture (2003)
Garvey, J, Hillier, S J, Mahout, G, Moye, T H, Staley, R J, Watkins, P M, ...
The architecture of the ATLAS Level-1 Calorimeter Trigger system (L1Calo) is presented. Common approaches have been adopted for data distribution, result merging, readout, and slow control across the...
Tracking with heavily irradiated silicon detectors operated at cryogenic temperatures (1999)
Casagrande, L, Barnett, B M, Bartalini, P, Bell, W H, Borer, K, Bowcock, T J V, ...
In this work we show that a heavily irradiated double-sided silicon microstrip detector recovers its performance when operated at cryogenic temperatures. A DELPHI microstrip detector, irradiated to a...
The CRYSTAL BARREL Collaboration (1999)
Abele Adomeit, A. Abele, J. Adomeit, C. Amsler, B. M. Barnett, C. J. Batty, ...
Crystal Barrel data are presented on ¯ pp ! jß 0 ß 0 ß 0 at rest in liquid hydrogen and also in gaseous hydrogen at 12 bar. Annihilation from the initial 3 P 0 state is stronger in liquid than in...
Evidence for Two Isospin Zero ... Mesons at 1645 and 1875 MeV (1996)
C. Amsler, D.S. Armstrong, I. Augustin, C.A. Baker, B. M. Barnett, C.J. Batty, ...
Crystal Barrel data on ¯ pp ! jß 0 ß 0 ß 0 at beam momenta of 1.94 and 1.2 GeV/c reveal evidence for two I = 0 J PC = 2 \Gamma+ resonances in jßß. The first, at 1645 \Sigma 14(stat:) \Sigma...
E Decays to ... in ... Annihilation At Rest (1996)
C. Amsler, D.S. Armstrong, C.A. Baker, B. M. Barnett, C. J. Batty, M. Benayoun, ...
19> , R. McCrady m , J.P. Merlo a , C.A. Meyer m , L. Montanet f , A. Noble o5 , R. Ouared f , F. Ould-Saada o , K. Peters b , C.N. Pinder e , G. Pinter d , S. Ravndal b , C. Regenfus l , E....
First Observation of the Production of Nucleon Resonances in (1995)
Annihilation In, C. Amsler, D. S. Armstrong, I. Augustin, B. M. Barnett, C. J. Batty, ...
. Koch b , C. Kolo m , K. Konigsmann m7 , M. Kunze b , M. Lakata a , R. Landua f , J. Ludemann b , H. Matthaey b , R. McCrady l , M. Merkel k 8 , J.P. Merlo k , C.A. Meyer l , L. Montanet f , A....
Search for a new light gauge boson in decays of $\pi^{0}$ and $\eta$ (1994)
Amsler, Claude, Armstrong, D S, Augustin, I, Baker, C A, Barnett, B M, Batty, C J, ...
High-Statistics Study of (1994)
Decay Into, C. Amsler, D. S. Armstrong, I. Augustin, B. M. Barnett, C. J. Batty, ...
a , R. Landua f , F. Loser g , J. Ludemann b , H. Matthay b , M. Merkel k10 , J.P. Merlo k , C.A. Meyer m , L. Montanet f , A. Noble o , F. Ould-Saada o , K. Peters b , C.N. Pinder e , G. Pinter d ,...
Protonium annihilation into K$_{L}^{0}$K$_{S}^{0}\pi^{0}$ and K$_{L}^{0}$K$_{S}^{0}\eta$ (1993)
Amsler, Claude, Armstrong, D S, Augustin, I, Baker, C A, Barnett, B M, Batty, C J, ...
Antiproton-proton annihilation at rest into $\omega\pi^{0}\pi$.sup (0) (1993)
Amsler, Claude, Armstrong, D S, Augustin, I, Baker, C A, Barnett, B M, Batty, C J, ...
Antiproton-proton annihilation at rest into two-body final states (1993)
Amsler, Claude, Armstrong, D S, Augustin, I, Baker, C A, Barnett, B M, Batty, C J, ...
P- versus s-wave $\overline{p}$p-annihilation at rest in LH$_{2}$ (1992)
Amsler, Claude, Augustin, I, Baker, C A, Barnett, B M, Batty, C J, Beuchert, K, ...
The Crystal Barrel spectrometer at LEAR (1992)
Aker, E, Amsler, Claude, Augustin, I, Baker, C A, Barnett, B M, Batty, C J, ...
Recent results from the Crystal Barrel experiment (1991)
Amsler, Claude, Augustin, I, Baker, C A, Barnett, B M, Batty, C J, Beckmann, R, ...
The CRYSTAL BARREL Collaboration (1365)
Anisovich Armstrong, D. S. Armstrong, I. Augustin, B. M. Barnett, C. J. Batty, K. Beuchert, ...
From a simultaneous analysis of data on pp ! ß 0 ß 0 ß 0 and pp ! jjß 0 at rest, two I = 0 J PC = 0 ++ resonances are identified above 1 GeV. The first has mass M = 1365 +20 \Gamma55 MeV and...