HERMES

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2017-12-12
15:53
OpenAccess [PUBDB-2017-13367] Conference Presentation
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Extraction of Helicity Amplitude Ratios from Exclusive $\rho^0$-meson Electroproductionon Transversely Polarized Proton
XVII Workshop on High Energy Spin Physics, DSPIN-17, Meeting locationDubna, Russia, 11 Sep 2017 - 15 Sep 20172017-09-112017-09-15  GO
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2017-12-12
15:48
OpenAccess [PUBDB-2017-13365] Conference Presentation (Invited)
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Overview of HERMES results
XVII Workshop on High Energy Spin Physics, DSPIN-17, Meeting locationDubna, Russia, 11 Sep 2017 - 15 Sep 20172017-09-112017-09-15  GO
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2017-12-12
15:37
OpenAccess [PUBDB-2017-13364] Journal Article/Contribution to a conference proceedings
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Ratios of helicity amplitudes for exclusive $\rho^0$ electroproduction on transversely polarized proton
XXIII International Baldin Seminar on High Energy Physics Problems "Relativistic Nuclear Physics and Quantum Chromodynamics", Baldin ISHEPP XXIII, Meeting locationDubna, Russia, 19 Sep 2016 - 24 Sep 20162016-09-192016-09-24 The European physical journal / Web of Conferences 138, 08005 (2017) [10.1051/epjconf/201713808005]  GO
ddc:530
Exclusive $\rho^0$-meson electroproduction is studied by the HERMES experiment, using the 27.6 GeV longitudinally polarized electron/positron beam of HERA and a transversely polarized hydrogen target, in the kinematic region 1.0 GeV$^2$ < Q$^2$ < 7.0 GeV$^2$, 3.0 GeV < W < 6.3 GeV, and −t′ < 0.4 GeV$^2$. Using an unbinned maximum-likelihoodmethod, 25 parameters are extracted. [...]
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2017-12-12
13:15
OpenAccess [PUBDB-2017-13329] Conference Presentation (Invited)
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Lessons learnt on TMD measurements at HERMES
Spatial and Momentum Tomography of Hadrons and Nuclei, INT 17-3, Meeting locationSeattle, USA, 28 Aug 2017 - 29 Sep 20172017-08-282017-09-29  GO
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2017-06-14
10:36
OpenAccess [PUBDB-2017-04872] Conference Presentation
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Ratios of helicity amplitudes for hard exclusive $\rho^0$ electroproduction on transversely polarized protons at HERMES
25th International Workshop on Deep-Inelastic Scattering and Related Subjects, DIS2017, Meeting locationBirmingham, University of the Basque Country UPV/EHU, United Kingdom, 3 Apr 2017 - 7 Apr 20172017-04-032017-04-07  GO
The HERMES experiment collected a wealth of deep-inelastic scattering data using the 27.6 GeV polarized lepton beam at HERA and various pure gas targets, both unpolarized and polarized. This allowed for a series of diverse measurements. [...]
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2017-06-14
10:25
OpenAccess [PUBDB-2017-04871] Report/Journal Article
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Ratios of helicity amplitudes for exclusive $\rho ^0$ electroproduction on transversely polarized protons
[DESY-17-017; arXiv:1702.00345] ddc:530
Exclusive $\rho^0$-meson electroproduction is studied by the HERMES experiment, using the 27.6 GeV longitudinally polarized electron/positron beam of HERA and a transversely polarized hydrogen target, in the kinematic region 1.0 GeV$^2$ < Q$^2$ < 7.0 GeV$^2$, 3.0 GeV < W < 6.3 GeV, and -t’ < 0.4 GeV$^2$. Using an unbinned maximum-likelihood method, 25 parameters are extracted. [...]
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2017-05-03
11:08
[PUBDB-2017-02196] Journal Article

Hermes: First observation of Compton scattering at the quark level
ddc:530
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2017-02-02
15:04
OpenAccess [PUBDB-2017-00843] Preprint/Report
; ; ; et al
Ratios of helicity amplitudes for exclusive $\rho^0$ electroproduction on transversely polarized protons
[arXiv:1702.00345; DESY-17-017]
 GO
Exclusive $\rho^0$-meson electroproduction is studied by the HERMES experiment, using the 27.6 GeV longitudinally polarized electron/positron beam of HERA and a transversely polarized hydrogen target, in the kinematic region 1.0 GeV$^2$<Q$^2$<7.0 GeV$^2$, 3.0 GeV<W<6.3 GeV, and -t'<0.4 GeV$^2$. Using an unbinned maximum-likelihood method, 25 parameters are extracted. [...]
OpenAccess: 1702.00345 - Download fulltextPDF; amp_rho_dc98_v4.0 - Download fulltextPDF;

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2017-01-09
12:50
[PUBDB-2017-00310] Journal Article
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Experimental overview of Deeply Virtual Compton Scattering
ddc:530
Deeply Virtual Compton Scattering (DVCS) is a key reaction to gain information on Generalized Parton Distributions. In this paper the existing measurements of DVCS on the nucleon, as well as those planned for the near future, are presented and discussed..
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2017-01-01
10:40
OpenAccess [PUBDB-2017-00004] Journal Article/Contribution to a conference proceedings

Exclusive Physics at HERMES and COMPASS
16th Conference on Elastic and Diffractive Scattering (EDS Blois 2015), EDS Blois 2015, Meeting locationBorgo, France, 29 Jun 2015 - 4 Jul 20152015-06-292015-07-04 Acta physica Polonica / B / Proceedings supplement 8(4), 875 - 881 (2015) [10.5506/APhysPolBSupp.8.875]  GO
ddc:530
HERMES and COMPASS results of DVCS and DVMP are presented. Preparations for the 2016/17 COMPASS GPD run are at full swing..
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