T. O. Niinikoski

Publication List Details

Period

1990 - 2009

Number

98

Co-Authors

Thin Cryogenic X-ray Windows (2009)

Niinikoski, T O, Bellanger, B, Davenport, M, Elias, N, Aune, S, Franz, J

We describe the construction and tests of cryogenic X-ray windows of 47 mm diameter made of 15 ìm thick polypropylene foil glued on a UHV flange and supported with a strongback mesh machined by...

RD39 Collaboration (2007)

Borer Janos And, K. Borer, S. Janos, B. Dezillie B, Z. Li B, ...

The charge collection efficiency (CCE) of heavily irradiated silicon diode detectors was investigated at temperatures between 77 and 200 K. The CCE was found to depend on the radiation dose, bias...

RD39 STATUS REPORT RD39 Collaboration (2007)

Borer Janos And, K. Borer, S. Janos, K. Pretzl, B. Dezillie, Z. Li, ...

this report are given as NIEL equivalent of 1 MeV neutrons (n/cm

Spin asymmetries for events with high $p_T$ hadrons in DIS and an evaluation of the gluon polarization (2004)

Adeva, B, Arik, A, Arvidson, A, Badelek, B, Baum, G, Berglund, P, ...

We present a measurement of the longitudinal spin cross section asymmetry for deep inelastic muon-nucleon interactions with two high transverse momentum hadrons in the final state. Two methods of...

Low-temperature tracking detectors (2004)

Niinikoski, T.O., Abreu, M., Anbinderis, P., Anbinderis, T., D'Ambrosio, N., De Boer, W., ...

RD39 collaboration develops new detector techniques for particle trackers, which have to withstand fluences up to 10(16) cm(-2) of high-energy particles. The work focuses on the optimization of...

Recent progress in low-temperature silicon detectors (2003)

Abreu, M., D'Ambrosio, N., Bell, W., Berglund, P., Borchi, E., De Boer, W., ...

The CERN RD39 Collaboration studies the possibility to extend the detector lifetime in a hostile radiation environment by operating them at low temperatures. The outstanding illustration is the...

The effect of charge collection recovery in silicon p-n junction detectors irradiated by different particles (2003)

Verbitskaya, E., Abreu, M., Anbinderis, P., Anbinderis, T., D'Ambrosio, N., De Boer, W., ...

The recovery of the charge collection efficiency (CCE) at low temperatures, the so-called "Lazarus effect", was studied in Si detectors irradiated by fast reactor neutrons, by protons of medium and...

Radiation hard cryogenic silicon detectors (2002)

Casagrande, L., Abreu, M.C., Bell, W.H., Berglund, P., De Boer, W., Borchi, E., ...

It has been recently observed that heavily irradiated silicon detectors, no longer functional at room temperature, "resuscitate" when operated at temperatures below 130 K. This is often referred to...

Radiation hardness of cryogenic silicon detectors (2002)

Niinikoski, T.O., Abreu, M., Bell, W., Berglund, P., De Boer, W., Borchi, E., ...

We shall review test results which show that silicon detectors can withstand at 130 K temperature a fluence of 2 x 10(15)cm(- 2) of 1 MeV neutrons, which is about 10 times higher than the fluence...

Silicon detectors irradiated "in situ" at cryogenic temperatures (2002)

Ruggiero, G., Abreu, M., Bell, W., Berglund, P., De Boer, W., Borer, K., ...

Though several studies have proved the radiation tolerance of silicon detectors at cryogenic temperatures, following room temperature irradiation, no previous investigation has studied the behaviour...

Optimization of electric field distribution by free carrier injection in silicon detectors operated at low temperatures (2002)

Verbitskaya, E., Abreu, M., Bartsch, V., Bell, W., Berglund, P., Bol, J., ...

We present a study of the modeling of the electric field distribution, which is controlled by injection and trapping of nonequilibrium carriers, in Si detectors irradiated by high neutron fluences....

Charge collection efficiency of an irradiated cryogenic double- p silicon detector (2001)

Borer, K., Janos, S., Li, Z., Dezillie, B., Da Via, C., Granata, V., ...

We present results on the measurement of the charge collection efficiency of a p(+) /n/p(+) silicon detector irradiated to 1 x 10(15) n/cm(2), Operated in the temperature range between 80 and 200 K....

Review on the development of cryogenic silicon detectors (2001)

Casagrande, L., Abreu, M.C., Bell, W.H., Berglund, P., De Boer, W., Borer, K., ...

In this paper, we report on the performance of heavily irradiated silicon detectors operated at cryogenic temperatures. The results discussed here show that cryogenic operation indeed represents a...

Cryogenic technology for tracking detectors (2001)

Granata, V., Da Via, C., Watts, S., Borer, K., Janos, S., Pretzl, K., ...

A low-mass cryogenic cooling technique for silicon sensor modules has been developed in the framework of the RD39 Collaboration at CERN. A prototype low-mass beam tracker cryostat has been designed,...

Charge collection efficiency and resolution of an irradiated double-sided silicon microstrip detector operated at cryogenic temperatures (2000)

Borer, K., Janos, S., Palmieri, V.G., Buytaert, J., Chabaud, V., Chochula, P., ...

This paper presents results on the measurement of the cluster shapes, resolution and charge collection efficiency of a double-sided silicon microstrip detector after irradiation with 24 GeV protons...

Charge collection efficiency of irradiated silicon detector operated at cryogenic temperatures (2000)

Borer, K., Janos, S., Palmieri, V.G., Dezillie, B., Li, Z., Collins, P., ...

The charge collection efficiency (CCE) of heavily irradiated silicon diode detectors was investigated at temperatures between 77 and 200 K. The CCE was found to depend on the radiation dose, bias...

Cryogenic operation of silicon detectors (2000)

Collins, P., Barnett, I.B.M., Bartalini, P., Bell, W., Berglund, P., De Boer, W., ...

This paper reports on measurements at cryogenic temperatures of a silicon microstrip detector irradiated with 24 GeV protons to a fluence of 3.5 x 10(14) p/cm(2) and of a p-n junction diode detector...

Irradiated silicon detectors operated at cryogenic temperatures: the Lazarus effect (2000)

Granata, V., Bell, W.H., Berglund, P., De Boer, W., Borchi, E., Borer, K., ...

An increasing interest in the behaviour of silicon detectors at cryogenic temperatures has been awakened by the discovery of the so-called Lazarus effect, namely the recovery of charge collection...

Radiation hard position-sensitive cryogenic silicon detectors: the Lazarus effect (2000)

Palmieri, V.G., Abreu, M.C., Bell, W.H., Berglund, P., De Boer, W., Borchi, E., ...

The discovery of the so-called Lazarus effect, namely the recovery of the charge collection efficiency (CCE) of irradiated silicon detectors by means of cryogenic cooling has entailed an increasing...

Charge collection efficiency of irradiated silicon detectors operated at cryogenic temperatures (1999)

Borer, K, Janos, S, Palmieri, V G, Dezillie, B, Li, Z, Collins, P, ...

The charge collection efficiency (CCE) of heavily irradiated silicon diode detectors was investigated at temperatures between 77 and 200 K. The CCE was found to depend on the radiation dose, bias...

Superconducting NbN microstrip detectors (1999)

Wedenig, R, Niinikoski, T O, Berglund, P, Kyynäräinen, J, Da Costa, L N, Valtonen, M J, ...

Superconducting NbN strip transmission line counters and coupling circuits were processed on silicon wafers using thin film techniques, and they were characterized with several methods to verify the...

Charge collection efficiency and resolution of an irradiated double sided silicon microstrip detector operated at cryogenic temperatures (1999)

Borer, K, Palmieri, V G, Janos, S, Buytaert, J, Chabaud, V, Chochula, P, ...

The paper presents results on the measurements of the cluster shapes, resolution and charge collection effiency of a double sided silicon microstrrip detector after irradiation with 24 GeV protons to...

Measurement of the SMC muon beam polarisation using the asymmetry in the elastic scattering off polarised electrons (1999)

Adams, D, Adeva, B, Akdogan, T, Arik, E, Arvidson, A, Badelek, B, ...

A muon beam polarimeter was built for the SMC experiment at the CERN SPS, for beam energies of 100 and 190~GeV. The beam polarisation is determined from the asymmetry in the elastic scattering off...

Spin Asymmetries $A_1$ of the Proton and the Deuteron in the Low $x$ and Low $Q^2$ Region from Polarized High Energy Muon Scattering (1999)

Adeva, B, Arik, E, Arvidson, A, Badelek, B, Baum, G, Berglund, P, ...

We present the results of the spin asymmetries $A_1$ of the proton and the deuteron in the kinematic region extending down to $x=6\cdot 10^{-5}$ and $Q^2=0.01$ GeV$^2$. The data were taken with a...

A large streamer chamber muon tracking detector in a high-flux fixed-target application (1999)

Adams, D, Adeva, B, Arik, E, Arvidson, A, Badelek, B, Ballintijn, M K, ...

Arrays of limited streamer tubes of the Iarocci type were deployed in our experiment at CERN as part of a forward muon detector system with provisions for the beam to pass through the center of each...

The polarized double cell target of the SMC (1999)

Adams, D, Adeva, B, Arik, E, Arvidson, A, Badelek, B, Ballintijn, M K, ...

The polarized target of the Spin Muon Collaboration at CERN was used for deep inelastic muon scattering experiments during 1993 to 1996 with a polarized muon beam to investigate the spin structure of...

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...

A next-to-leading order QCD analysis of the spin structure function $g_1$ (1998)

Adeva, B, Akdogan, T, Arik, E, Badelek, B, Bardin, G, Baum, G, ...

We present a next-to-leading order QCD analysis of the presently available data on the spin structure function $g_1$ including the final data from the Spin Muon Collaboration (SMC). We present resu...

Spin Asymmetries $A_1$ and Structure Functions $g_1$ of the Proton and the Deuteron from Polarized High Energy Muon Scattering (1998)

Adeva, B, Akdogan, T, Arik, E, Arvidson, A, Badelek, B, Bardin, G, ...

We present the final results of the spin asymmetries $A_1$ and the spin structure functions $g_1$ of the proton and the deuteron in the kinematic range $0.0008

Polarised quark distributions in the nucleon from semi-inclusive spin asymmetries (1997)

Adeva, B, Akdogan, T, Arik, E, Arvidson, A, Badelek, B, Bardin, G, ...

We present a measurement of semi-inclusive spin asymmetries for positively and negatively charged hadrons from deep inelastic scattering of polarised muons on polarised protons and deuterons in the...

The spin-dependent structure function $g_1(x)$ of the proton from polarized deep-inelastic muon scattering (1997)

Adeva, B, Arik, E, Arvidson, A, Badelek, B, Bardin, G, Baum, G, ...

We present a new measurement of the virtual photon proton asymmetry $A_1^{\rm p}$ from deep inelastic scattering of polarized muons on polarized protons in the kinematic range $0.0008 < x < 0.7$ and...

Measurement of proton and nitrogen polarization in ammonia and a test of equal spin temperature (1997)

Adeva, B, Arik, E, Arvidson, A, Badelek, B, Baum, G, Berglund, P, ...

The 1996 data taking of the SMC experiment used polarized protons to measure the spin dependent structure function $g_1$ of the proton. Three liters of solid granular ammonia were irradiated at the...

Spin structure of the proton from polarized inclusive deep-inelastic muon-proton scattering (1997)

Adams, D, Adeva, B, Arik, E, Arvidson, A, Badelek, B, Ballintijn, M K, ...

We have measured the spin-dependent structure function $g_1^{\rm p}$ in inclusive deep-inelastic scattering of polarized muons off polarized protons, in the kinematic range $0.003 < x < 0.7$ and...

The spin-dependent structure function $g_{1}(x)$ of the deuteron from polarized deep-inelastic muon scattering (1997)

Adams, D, Adeva, B, Akdogan, T, Arik, E, Arvidson, A, Badelek, B, ...

We present a new measurement of the spin-dependent structure function $g_1^{\rm d}$ of the deuteron from deep inelastic scattering of $190~\mbox{GeV}$ polarized muons on polarized deuterons. The...

Frequency modulation effects in EPR and dynamic nuclear polarisation (1996)

Kiselev, Yu F, Niinikoski, T O

We elaborate on new effects in electron paramagnetic resonance and dynamic nuclear polarisation, recently discovered in the large polarized target of SMC at CERN, and validate our theoretical...

Cryogenic temperature measurement for large applications (1996)

Ylöstalo, J, Berglund, P, Kyynäräinen, J, Niinikoski, T O, Voutilainen, R

We have developed a resistance thermometry system for the acquisition, control and monitoring of temperature in large-scale cryogenic applications. The resistance of the sensor is converted to a...

Polarisation of valence and non-strange sea quarks in the nucleon from semi-inclusive spin asymmetries (1996)

Adeva, B, Arik, E, Arvidson, A, Badelek, B, Ballintijn, M K, Bardin, G, ...

We present a measurement of semi-inclusive spin asymmetries for positively and negatively charged hadrons from deep inelastic scattering of polarised muons on polarised protons and deuterons in the...

Large enhancement of deuteron polarization with frequency modulated microwaves (1995)

Adeva, B, Ahmad, E, Arik, S, Arvidson, A, Badelek, B, Ballintijn, M K, ...

We report a large enhancement of 1.7 in deuteron polarization up to values of 0.6 due to frequency modulation of the polarizing microwaves in a two liters polarized target using the method of dynamic...

Spin asymmetry in muon-proton deep inelastic scattering on a transversely-polarized target (1994)

Adams, D, Adeva, B, Arik, E, Arvidson, A, Badelek, B, Ballintijn, M K, ...

We measured the spin asymmetry in the scattering of 100 GeV longitudinally-polarized muons on transversely polarized protons. The asymmetry was found to be compatible with zero in the kinematic range...

Measurement of the spin-dependent structure function g$_{1}$(x) of the proton (1994)

Adams, D, Adeva, B, Arik, E, Arvidson, A, Badelek, B, Ballintijn, M K, ...

Abstract : We have measured the spin-dependent structure function g_1^p of the proton in deep inelastic scattering of polarized muons off polarized protons, in the kinematic range 0.003