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CERN Document Server 找到 13 笔记录  1 - 10下一个  跳到记录: 检索需时 0.60 秒. 
1.
Transverse target spin asymmetry in exclusive $\rho^{0}$ production / Jegou, G (Saclay)
In this work we present the measurement of the transverse target spin asymmetry in the exclusive $\rho^{0}$ production using the COMPASS spectrometer at CERN. [...]
2007. - 2 p.
Fulltext
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2.
$\rho$ electroproduction / Jegou, G (IRFU, SPhN, Saclay) /on behalf of the COMPASS Collaboration
In this work we present the measurement of the transverse target spin asymmetry in the exclusive $\rho^{0}$ production using the high energy 160 GeV muon beam and the COMPASS spectrometer at CERN. This will constitute an essential step to get information about Generalized Parton Distributions..
2009 - 5 p. - Published in : (2009) Fulltext: PDF;
In : 17th International Workshop on Deep-inelastic Scattering and Related Subjects, Madrid, Spain, 26 Apr - 30 Apr 2009, pp.181
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3.
Production exclusive de mésons $\rho^0$ dans l'expérience COMPASS au CERN / Jegou, Guillaume
CERN-THESIS-2009-211 - 159.

IRFU server - Fulltext - Full text - Full text - Full text
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4.
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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5.
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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6.
Quark helicity distributions from longitudinal spin asymmetries in muon-proton and muon-deuteron scattering / COMPASS Collaboration
Double-spin asymmetries for production of charged pions and kaons in semi-inclusive deep-inelastic muon scattering have been measured by the COMPASS experiment at CERN. The data, obtained by scattering a 160 GeV muon beam off a longitudinally polarised NH_3 target, cover a range of the Bjorken variable x between 0.004 and 0.7. [...]
arXiv:1007.4061; CERN-PH-EP-2010-023; CERN-PH-EP-2010-023.- Geneva : CERN, 2010 - 13 p. - Published in : Phys. Lett. B 693 (2010) 227-235 Fulltext: arXiv:1007.4061 - PDF; CERN-PH-EP-2010-023 - PDF; External link: Preprint
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7.
Azimuthal asymmetries of charged hadrons produced by high-energy muons scattered off longitudinally polarised deuterons / COMPASS Collaboration
Azimuthal asymmetries in semi-inclusive production of positive (h^+) and negative hadrons (h^-) have been measured by scattering 160 GeV muons off longitudinally polarised deuterons at CERN. The asymmetries were decomposed in several terms according to their expected modulation in the azimuthal angle phi of the outgoing hadron. [...]
arXiv:1007.1562; CERN-PH-EP-2010-018; CERN-PH-EP-2010-018.- Geneva : CERN, 2010 - 12 p. - Published in : Eur. Phys. J. C 70 (2010) 39-49 Fulltext: CERN-PH-EP-2010-018 - PDF; arXiv:1007.1562 - PDF; External link: Preprint
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8.
Measurement of the Collins and Sivers asymmetries on transversely polarised protons / COMPASS Collaboration
The Collins and Sivers asymmetries for charged hadrons produced in deeply inelastic scattering on transversely polarised protons have been extracted from the data collected in 2007 with the CERN SPS muon beam tuned at 160 GeV/c. At large values of the Bjorken x variable non-zero Collins asymmetries are observed both for positive and negative hadrons while the Sivers asymmetry for positive hadrons is slightly positive over almost all the measured x range. [...]
arXiv:1005.5609; CERN-PH-EP-2010-013; CERN-PH-EP-2010-013.- 2010 - 9 p. - Published in : Phys. Lett. B 692 (2010) 240-246 Fulltext: PDF; External link: DURHAM
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9.
The Spin-dependent Structure Function of the Proton $g_{1}^p$ and a Test of the Bjorken Sum Rule / COMPASS Collaboration
The inclusive double-spin asymmetry, $A_{1}^{p}$, has been measured at COMPASS in deepinelastic polarised muon scattering off a large polarised NH3 target. The data, collected in the year 2007, cover the range Q2 > 1 (GeV/c)^2, 0.004 < x < 0.7 and improve the statistical precision of g_{1}^{p}(x) by a factor of two in the region x < 0.02. [...]
arXiv:1001.4654; CERN-PH-EP-2010-001; CERN-PH-EP-2010-001.- 2010 - 12 p. - Published in : Phys. Lett. B 690 (2010) 466-472 Fulltext: CERN-PH-EP-2010-001 - PDF; arXiv:1001.4654 - PDF; External link: Preprint
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10.
Observation of a $J^{PC} = 1^{-+}$ exotic resonance in diffractive dissociation of 190 GeV/c $\pi^{-}$ into $\pi^- \pi^- \pi^+$ / COMPASS collaboration
The COMPASS experiment at the CERN SPS has studied the diffractive dissociation of negative pions into the pi- pi- pi+ final state using a 190 GeV/c pion beam hitting a lead target. A partial wave analysis has been performed on a sample of 420000 events taken at values of the squared 4-momentum transfer t' between 0.1 and 1 GeV^2/c^2. [...]
arXiv:0910.5842; CERN-PH-EP-2009-018; CERN-PH-EP-2009-018.- 2010 - 10 p. - Published in : Phys. Rev. Lett. 104 (2010) 241803 APS Published version, local copy: PDF; Fulltext: cern-ph-ep_2009-018 - PDF; arXiv:0910.5842 - PDF; External link: Preprint
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CERN Document Server : 找到 13 笔记录   1 - 10下一个  跳到记录:
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2 Jegou, G
1 Jegou, Guillaume
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