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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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Exclusive $\rho^0$ muoproduction on transversely polarised protons and deuterons
/ COMPASS Collaboration
The transverse target spin azimuthal asymmetry A_UT in hard exclusive production of rho^0 mesons was measured at COMPASS by scattering 160 GeV/c muons off transversely polarised protons and deuterons. The measured asymmetry is sensitive to the nucleon helicity-flip generalised parton distributions E^q, which are related to the orbital angular momentum of quarks in the nucleon. [...]
arXiv:1207.4301; CERN-PH-EP-2012-208; CERN-PH-EP-2012-208.-
Geneva : CERN, 2012-12-01 - 20 p.
- Published in : Nucl. Phys. B 865 (2012) 1
Draft (restricted): PDF; Fulltext: arXiv:1207.4301 - PDF; CERN-PH-EP-2012-208 - PDF; External link: Preprint
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3.
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Measurement of the Cross Section for High-$p_T$ Hadron Production in Scattering of 160 GeV/c Muons off Nucleons
/ COMPASS Collaboration
The cross section for production of charged hadrons with high transverse momenta in scattering of 160 GeV/c muons off nucleons at low photon virtualities has been measured at the COMPASS experiment at CERN. The results, which cover transverse momenta from 1.1 to 3.6 GeV/c, are compared to a next-to-leading order perturbative Quantum Chromodynamics (NLO pQCD) calculation in order to evaluate the applicability of pQCD to this process in the kinematic domain of the experiment. [...]
arXiv:1207.2022; CERN-PH-EP-2012-189; CERN-PH-EP-2012-189.-
Geneva : CERN, 2013-11-04 - 8 p.
- Published in : Phys. Rev. D 88 (2013) 091101
APS published version, local copy: PDF; Draft (restricted): PDF; Fulltext: arXiv:1207.2022 - PDF; CERN-PH-EP-2012-189 - PDF; External link: Preprint
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4.
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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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