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1.
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Fast photon-detection for COMPASS RICH-1
/ Chiosso, Michela (INFN, Turin ; U. Turin (main)) ; Abbon, P (DSM, DAPNIA, Saclay) ; Alexeev, M (Piemonte Orientale U., Alessandria ; INFN, Turin) ; Angerer, H (Munich, Tech. U.) ; Birsa, R (INFN, Trieste) ; Bordalo, P (LIP, Lisbon) ; Bradamante, F (INFN, Trieste ; U. Trieste (main)) ; Bressan, A (U. Trieste (main) ; INFN, Trieste) ; Ciliberti, P (INFN, Trieste ; U. Trieste (main)) ; Colantoni, M L (INFN, Turin) et al.
A fast photon-detection system for the detector RICH-1 of the COMPASS Experiment at CERN SPS is in operation since the 2006 run. It is based on the use of Multi-Anode Photomultipliers (MAPMTs) coupled to individual fused silica lens telescopes and fast read-out electronics. [...]
2008
- Published in : 10.1142/9789812819093_0007
In : 10th ICATPP Conference on Astroparticle, Particle, Space Physics, Detectors and Medical Physics Applications, Villa Olmo, Como, Italy, 8 - 12 Oct 2007, pp.45-49
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2.
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Fast Photon Detection for COMPASS RICH1
/ Abbon, P (DSM, DAPNIA, Saclay) ; Alekseev, M (INFN, Turin ; Turin U.) ; Angerer, H (Munich, Tech. U.) ; Apollonio, M (INFN, Trieste ; Trieste U.) ; Birsa, R (INFN, Trieste ; Trieste U.) ; Bordalo, P (Lisbon, LIFEP) ; Bradamante, F (INFN, Trieste ; Trieste U.) ; Bressan, A (INFN, Trieste ; Trieste U.) ; Busso, L (INFN, Turin ; Turin U.) ; Chiosso, M (INFN, Turin ; Turin U.) et al.
The new photon detection system for COMPASS RICH-1 has been designed to cope with the demanding requests of operation at high beam intensity and at high trigger rates. The detection technique in the central region of RICH-1 has been changed with a system based on multianode photomultipliers coupled to individual fused silica lens telescopes and to a fast, almost dead time free readout system based on the MAD-4 amplifier-discriminator and the F1 TDC-chip. [...]
2006 - 8 p.
- Published in : Czechoslov. J. Phys. 56 (2006) F317
Fulltext: PDF;
In : Advanced Studies Institution Symmetries and Spin, Prague, Czech Republic, 19 - 26 Jul 2006, pp.317
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3.
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Optical telescopes for COMPASS RICH1 up-grade
/ Sulc, M (Liberec Tech. U.) ; Abbon, P (DSM, DAPNIA, Saclay) ; Alekseev, M (INFN, Turin ; Turin U.) ; Angerer, H (Munich, Tech. U.) ; Appolonio, M (INFN, Trieste ; Trieste U.) ; Birsa, R (INFN, Trieste ; Trieste U.) ; Bordalo, P (Lisbon, LIFEP) ; Bradamante, F (INFN, Trieste ; Trieste U.) ; Bressan, A (INFN, Trieste ; Trieste U.) ; Busso, L (INFN, Turin ; Turin U.) et al.
The central photon detection area of the Ring Imaging Cherenkov detector at COMPASS, a particle physics experiment at CERN SPS dedicated to hadron physics, has been upgraded from the previous system formed by wire chambers with CsI layers to a very fast UV extended multi anode photo multiplier tube array (MAPMT), including 576 tubes. The active area covered by the MAPMTs is 7.3 times smaller than the one previously equipped with CsI photocathodes, so 576 optical concentrators transforming the image from the old system focal plane to the new photocathode plane were needed. [...]
2006 - 8 p.
- Published in : Czechoslov. J. Phys. 56 (2006) F325
Fulltext: PDF;
In : Advanced Studies Institution Symmetries and Spin, Prague, Czech Republic, 19 - 26 Jul 2006, pp.325
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4.
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Hartmann test of the COMPASS RICH-1 optical telescopes
/ Polak, J (Liberec Tech. U.) ; Abbon, P (DSM, DAPNIA, Saclay) ; Alekseev, M (INFN, Turin ; Turin U.) ; Angerer, H (Munich, Tech. U.) ; Apollonio, M (Trieste U. ; INFN, Trieste) ; Birsa, R (Trieste U. ; INFN, Trieste) ; Bordalo, P (Lisbon, LIFEP) ; Bradamante, F (Trieste U. ; INFN, Trieste) ; Bressan, A (Trieste U. ; INFN, Trieste) ; Busso, L (INFN, Turin ; Turin U.) et al.
The central region of COMPASS RICH-1 has been equipped with a new photon detection system based on MultiAnode PhotoMultiplier Tubes (MAPMT). The Cherenkov photons are focused by an array of 576 fused silica telescopes onto 576 MAPMTs. [...]
2008 - 6 p.
- Published in : Czechoslov. J. Phys. 56 (2006) F333
Fulltext: PDF;
In : Advanced Studies Institution Symmetries and Spin, Prague, Czech Republic, 19 - 26 Jul 2006, pp.333
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5.
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6.
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The experience of building and operating COMPASS RICH-1
/ Birsa, R (INFN, Trieste) ; Eyrich, W (Erlangen - Nuremberg U.) ; Rocco, E (Turin U. ; INFN, Turin) ; Schiavon, P (Trieste U. ; INFN, Trieste) ; Kramer, D (Liberec Tech. U.) ; Schroder, W (Erlangen - Nuremberg U.) ; Dafni, T (DSM, DAPNIA, Saclay) ; Tessarotto, F (INFN, Trieste) ; Bressan, A (Trieste U. ; INFN, Trieste) ; Schill, C (Freiburg U.) et al.
COMPASS RICH-1 is a large size gaseous Imaging Cherenkov Detector providing hadron identification in the range from 3 to 55 GeV/c, in the wide acceptance spectrometer of the COMPASS Experiment at CERN SPS. It uses a 3 m long C(4)F(10) radiator, a 21 m(2) large VUV mirror surface and two kinds of photon detectors: MAPMTs and MWPCs with CsI photocathodes, covering a total of 5.5 m(2). [...]
2011
- Published in : Nucl. Instrum. Methods Phys. Res., A 639 (2011) 15-19
In : 7th International Workshop on Ring Imaging Cherenkov Detectors, Cassis, Provence, France, 3 - 7 May 2010, pp.15-19
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7.
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Particle identification with COMPASS RICH-1
/ Abbon, P (DSM, DAPNIA, Saclay) ; Alexeev, M (Piemonte Orientale U., Alessandria ; INFN, Turin) ; Angerer, H (Munich, Tech. U.) ; Birsa, R (INFN, Trieste) ; Bordalo, P (Lisbon, LIFEP) ; Bradamante, F (Trieste U. ; INFN, Trieste) ; Bressan, A (Trieste U. ; INFN, Trieste) ; Chiosso, M (Turin U. ; INFN, Turin) ; Ciliberti, P (Trieste U. ; INFN, Trieste) ; Colantoni, M L (INFN, Turin) et al.
2011
- Published in : Nucl. Instrum. Methods Phys. Res., A 631 (2011) 26-39
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8.
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First Measurement of Chiral Dynamics in $\pi^-\gamma \to \pi^-\pi^-\pi^+$
/ COMPASS Collaboration
The COMPASS collaboration at CERN has investigated the $\pi^-\gamma \to \pi^-\pi^-\pi^+$ reaction at center-of-momentum energy below five pion masses, $\sqrt{s} \lt 5m_\pi$ , embedded in the Primakoff reaction of 190 GeV pions impinging on a lead target. Exchange of quasi-real photons is selected by isolating the sharp Coulomb peak observed at smallest momentum transfers, $t' \lt 0.001 GeV^2/c^2$. [...]
arXiv:1111.5954; CERN-PH-EP-2011-176; CERN-PH-EP-2011-176.-
Geneva : CERN, 2012-11-05 - 10 p.
- Published in : Phys. Rev. Lett. 108 (2012) 192001
APS Published version, local copy: PDF; Draft (restricted): PDF; Fulltext: arXiv:1111.5954 - PDF; CERN-PH-EP-2011-176 - PDF; External link: Preprint
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9.
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Design and construction of the fast photon detection system for COMPASS RICH-1
/ Abbon, P (DSM, DAPNIA, Saclay) ; Alexeev, M (INFN, Turin ; Piemonte Orientale U., Alessandria) ; Angerer, H (Munich, Tech. U.) ; Birsa, R (INFN, Trieste) ; Bordalo, P (Lisbon, LIFEP) ; Bradamante, F (INFN, Trieste ; Trieste U.) ; Bressan, A (INFN, Trieste ; Trieste U.) ; Chiosso, M (INFN, Turin ; Turin U.) ; Ciliberti, P (INFN, Trieste ; Trieste U.) ; Colantoni, M (INFN, Turin) et al.
2010 - 17 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 616 (2010) 21-37
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10.
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Particle identification with the fast COMPASS RICH-1 detector
/ Abbon, P (DSM, DAPNIA, Saclay) ; Alexeev, M (Piemonte Orientale U., Alessandria ; INFN, Turin) ; Angerer, H (Munich, Tech. U.) ; Birsa, R (INFN, Trieste) ; Bordalo, P (Lisbon, LIFEP) ; Bradamante, F (Trieste U. ; INFN, Trieste) ; Bressan, A (Trieste U. ; INFN, Trieste) ; Chiosso, M (Turin U. ; INFN, Turin) ; Ciliberti, P (Trieste U. ; INFN, Trieste) ; Colantoni, M L (INFN, Turin) et al.
2010
- Published in : Nucl. Instrum. Methods Phys. Res., A 623 (2010) 330-332
In : 1st International Conference on Technology and Instrumentation in Particle Physics, Tsukuba, Ibaraki, Japan, 12 Mar - 17 Mar 2009, pp.330-332
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