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CERN Accelerating science

CERN Document Server 2,048 záznamov nájdených  1 - 10ďalšíkoniec  skoč na záznam: Hľadanie trvalo 0.21 sekúnd. 
1.
A tiny telescope of Si-detectors for high energy muon flux measurement with electron rejection / Heijne, Erik H M ; Jarron, P ; Lazeyras, Pierre ; Nelson, W R ; Stevenson, G R
With very small (1 mm/sup 2/) silicon detectors and a 30 MHz amplifier chain one can measure flux profiles of high energy muons inside a shield up to a density of 5*10/sup 8/ cm/sup -2/ s/sup -1/. A telescope structure with several detectors and lead absorber plates enables elimination of both the low and high energy electrons which accompany the muons. [...]
1980 - Published in : IEEE Trans. Nucl. Sci. 27 (1980) 272-5
In : 26th Nuclear Science Symposium, San Francisco, CA, USA, 17 - 19 Oct 1979, pp.272-5
2.
TSC defect level in silicon produced by irradiation with muons of GeV-energy / Heijne, Erik H M ; Müller, J C ; Siffert, P
Thermally stimulated current (TSC) measurements on n-type silicon that is irradiated with high energy muons show the introduction of a defect with energy level 0.40 eV and an introduction rate of 0.2 cm/sup -1/. (5 refs)..
1976 - Published in : Radiat. Eff. 29 (1976) 25-6
3.
A luminosity monitor for LHC : [notes of a thesis] / Perrot, Anne Laure (CERN)
LHC luminosity will reach 10/sup 34/ cm/sup -2/ s/sup -1/ but special runs at 10/sup 28/ cm/sup -2/ s/sup -1/ are foreseen. Thus a luminosity monitor must have a dynamic range of six orders of magnitude. [...]
2000
In : 47th IEEE Nuclear Science Symposium and Medical Imaging Conference, Lyons, France, 15 - 20 Oct 2000, pp.5/115-18 (v.1)
4.
A high resolution beam hodoscope counter for use in very intense beams / Aubert, Jean-Jacques ; Bassompierre, G ; Coignet, G ; Crespo, J ; Déclais, Y ; Massonnet, Louis ; Moynot, M ; Payre, P ; Peroni, C ; Schneegans, M et al.
The authors describe a set of multi-element beam hodoscope counters with a 0.6 mm spatial resolution, very high efficiency and the capability of handling the high intensity beams of the SPS. (7 refs)..
1979 - Published in : Nucl. Instrum. Methods 159 (1979) 47-51
5.
Solid state detectors used for the CERN Neutrino Flux Monitoring (NFM) / Cavallari, Giorgio ; Heijne, Erik H M ; Jarron, Pierre ; Lazeyras, Pierre ; Musso, M
The CERN neutrino beam is monitored via the accompanying muon flux in the iron shield. Silicon radiation detectors are used for measuring this flux at several places in the shield. [...]
CERN-EF-BEAM-77-1.- Geneva : CERN, 1978 - 6 p. - Published in : IEEE Trans. Nucl. Sci. 25 (1978) 600-605 Fulltext: PDF;
In : 24th Nuclear Science Symposium, San Francisco, CA, USA, 19 - 21 Oct 1977, pp.600-5 - CERN library copies
6.
The measurement of intense particle beams / Mount, R P (Nuclear Phys Lab, Oxford Univ, Oxford, UK)
A method is described for the measurement of integrated particle flux at up to 10/sup 9/ per second. This method has enabled accurate measurements of the flux of reconstructable beam muons in the EMC muon scattering experiment at CERN. [...]
1981 - Published in : Nucl. Instrum. Methods Phys. Res. 187 (1981) 401-5
7.
Performance of the SPS beam spectrometer chambers under very high fluxes / Placci, Alfredo (CERN) ; Rabany, Michel (CERN) ; Vismara, Giuseppe (CERN)
Five beam spectrometers each consisting of four 100*100 mm/sup 2/, 1 mm wire spacing, multiwire proportional chambers, are operational in the secondary beams of the CERN SPS. To determine the ultimate performance of the chambers and associated electronics, capable of working at a threshold of 0.5 mu A and transmitting signals on 500 m twisted pair cables at rates of 25 MHz/wire, the authors have studied the behaviour of the chambers under very high beam fluxes ( approximately 10/sup 7/ particles/s). [...]
CERN-SPS-EA-78-3.- Geneva : CERN, 1978 - 19 p. Report - Published in : Nucl. Instrum. Methods 156 (1978) 115-121 Fulltext: PDF;
In : 1st Wire Chamber Conference, Vienna, Austria, 14 - 16 Feb 1978, pp.115-21 - Please contact the library if you need to access this document.
8.
The performance of RPCs with bakelite electrodes of resistivity under high radiation fluxes / Cwiok, M ; Dominik, Wojciech ; Górski, M ; Królikowski, J
Three medium-size Resistive Plate Chambers (RPCs) with bakelite electrodes having resistivity of 5*10/sup 8/, 5*10/sup 9/ and 3*10 /sup 10/ Omega cm were tested in the Gamma Irradiation Facility at CERN in 1997, 1998 and 1999. The 2 mm gap modules working in an Inverted Double Gap configuration filled with gas mixtures containing freon C/sub 2/H/sub 2/F/sub 4/ and operated in avalanche mode exhibit wide efficiency plateau, good time resolution and small time walk due to rate variation even at intensities as high as 1 kHz/cm/sup 2//gap of a continuous radiation flux. [...]
2000 - Published in : Nucl. Instrum. Methods Phys. Res., A 456 (2000) 87-90
In : 5th Workshop on Resistive Plate Chambers and Related Detectors, Bari, Italy, 28 - 29 Oct 1999
9.
Beam test results of a large forward resistive plate chamber for the CMS/LHC / Ahn, S H ; Bahk, S Y ; Choi, J H ; Hong, B H ; Hong, S J ; Kim, Y J ; Kim, J K ; Kim, S J ; Kim, Y U ; Koo, D K et al.
The first real size resistive plate chamber (RPC) prototype of ME2/1 for the forward region of the Compact Muon Solenoid (CMS) detector was constructed at Korea Detector Laboratory (KODEL). The parallel resistive electrodes of the double gap RPC were made of bakelite whose resistivity was 5*10/sup 9/ Omega cm. [...]
Geneva : CERN, 2000 - Published in : Nucl. Instrum. Methods Phys. Res., A 443 (2000) 31-6
10.
Measurements of the polarization of high-energy muon beams / Bollini, D ; Frabetti, P L ; Heiman, G ; Laurenti, G ; Navarria, Francesco Luigi ; Pinardi, N
The polarization of the M2 muon beam at the CERN SPS is studied at 220 /200, 260/240, 300/280 GeV/c pi /sup +// mu /sup +/ momenta by using a lead-glass telescope and a simple trigger system to measure the positron spectrum from muon decay. A direct measurement of the polarization difference between the 220/200 GeV/c beam (forward decays, average polarization approximately -0.8) and the 300/200 GeV/c beam (backward decays, average polarization approximately +0.1) is also presented. [...]
1981 - Published in : Nuovo Cimento A: 63 ser.2 (1981) , no. 4, pp. 441-56

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