Search Results - "Hedicke, S."
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Measurement of the gluon polarisation with COMPASS
Published in Progress in particle and nuclear physics (2003)“…The COMPASS experiment at CERN is investigating the nucleon spin structure in polarised deep inelastic muon scattering, mainly the gluon polarisation δ G G …”
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Measurement of the recoil polarization in the p(e-->, e'p-->)pi(0) reaction at the Delta(1232) resonance
Published in Physical review letters (02-04-2001)“…The recoil proton polarization has been measured in the p(e-->,e'p-->)pi(0) reaction in parallel kinematics around W = 1232 MeV, Q2 = 0.121 (GeV/c)2, and…”
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The focal plane proton-polarimeter for the 3-spectrometer setup at MAMI
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (11-05-2002)“…For ( e → , e′ p → ) experiments the 3-spectrometer setup of the A1 collaboration at MAMI has been supplemented by a focal plane proton-polarimeter. To this…”
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II – Experimental investigation of transverse spin asymmetries in μ-p SIDIS processes: Sivers asymmetries
Published in Physics letters. B (31-10-2012)“…The COMPASS Collaboration at CERN has measured the transverse spin azimuthal asymmetry of charged hadrons produced in semi-inclusive deep inelastic scattering…”
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I – Experimental investigation of transverse spin asymmetries in μ-p SIDIS processes: Collins asymmetries
Published in Physics letters. B (31-10-2012)“…The COMPASS Collaboration at CERN has measured the transverse spin azimuthal asymmetry of charged hadrons produced in semi-inclusive deep inelastic scattering…”
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The COMPASS experiment at CERN
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (11-07-2007)“…The COMPASS experiment makes use of the CERN SPS high-intensity muon and hadron beams for the investigation of the nucleon spin structure and the spectroscopy…”
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The horizontal drift chambers for the focal plane proton-polarimeter of the 3-spectrometer setup at MAMI
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (11-05-2002)“…Large-area horizontal drift chambers have been built for use in a proton polarimeter. A gas mixture of 20% argon and 80% ethane is used. The left–right…”
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A new measurement of the Collins and Sivers asymmetries on a transversely polarised deuteron target
Published in Nuclear physics. B (12-03-2007)“…New high precision measurements of the Collins and Sivers asymmetries of charged hadrons produced in deep-inelastic scattering of muons on a transversely…”
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First measurement of the transverse spin asymmetries of the deuteron in semi-inclusive deep inelastic scattering
Published in Physical review letters (27-05-2005)“…First measurements of the Collins and Sivers asymmetries of charged hadrons produced in deep-inelastic scattering of muons on a transversely polarized 6LiD…”
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Leading order determination of the gluon polarisation from DIS events with high-pT hadron pairs
Published in Physics letters. B (08-01-2013)“…We present a determination of the gluon polarisation Δg/g in the nucleon, based on the longitudinal double-spin asymmetry of DIS events with Q2>1 (GeV/c)2…”
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11
Leading order determination of the gluon polarisation from DIS events with high-p(T) hadron pairs
Published in Physics letters. B (08-01-2013)“…We present a determination of the gluon polarisation Delta g/g in the nucleon, based on the longitudinal double-spin asymmetry of DIS events with Q(2) > 1…”
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12
The polarised valence quark distribution from semi-inclusive DIS
Published in Physics letters. B (06-03-2008)“…The semi-inclusive difference asymmetry Ah+−h− for hadrons of opposite charge has been measured by the COMPASS experiment at CERN. The data were collected in…”
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13
Gluon polarization in the nucleon from quasi-real photoproduction of high-pT hadron pairs
Published in Physics letters. B (02-02-2006)“…We present a determination of the gluon polarization ΔG/G in the nucleon, based on the helicity asymmetry of quasi-real photoproduction events, Q2<1 (GeV/c)2,…”
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14
Measurement of GEp/GMp via polarization transfer at Q2 = 0.4 GeV /c2
Published in The European physical journal. A, Hadrons and nuclei (01-09-2001)Get full text
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Measurement of the spin structure of the deuteron in the DIS region
Published in Physics letters. B (21-04-2005)“…We present a new measurement of the longitudinal spin asymmetry A1d and the spin-dependent structure function g1d of the deuteron in the range 1<Q2<100 GeV2…”
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Collins and Sivers asymmetries for pions and kaons in muon–deuteron DIS
Published in Physics letters. B (16-03-2009)“…The measurements of the Collins and Sivers asymmetries of identified hadrons produced in deep-inelastic scattering of 160 GeV/c muons on a transversely…”
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Leading order determination of the gluon polarisation from DIS events with high- p T hadron pairs
Published in Physics letters. B (01-01-2013)Get full text
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Spin asymmetry A1d and the spin-dependent structure function g1d of the deuteron at low values of x and Q2
Published in Physics letters. B (19-04-2007)“…We present a precise measurement of the deuteron longitudinal spin asymmetry A1d and of the deuteron spin-dependent structure function g1d at Q2<1 (GeV/c)2 and…”
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Spin asymmetry A 1 d and the spin-dependent structure function g 1 d of the deuteron at low values of x and Q 2
Published in Physics letters. B (01-04-2007)Get full text
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The deuteron spin-dependent structure function g1d and its first moment
Published in Physics letters. B (29-03-2007)“…We present a measurement of the deuteron spin-dependent structure function g1d based on the data collected by the COMPASS experiment at CERN during the years…”
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