Chinese Physics C > 2010, Vol. 34 > Issue(9): 1476-1478 DOI: 10.1088/1674-1137/34/9/076

Deeply virtual compton scattering at HERMES

YU Wei-Lin (on behalf of the HERMES collaboration)

Physikalisches Institut, Justus-Liebig-Universitat Gieen, Heinrich-Buff-Ring 16, 35392 Gieen, Germany

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Abstract：

Generalized Parton Distributions (GPDs) provide a way to access total angular momenta of partons and give a multidimensional picture of the nucleon structure. Deeply Virtual Compton Scattering (DVCS) is the most direct exclusive process to study GPDs. Different azimuthal cross-section asymmetries with respect to beam helicity, beam charge, and target
polarization have been measured in the HERMES experiment. A recoil detector was installed at HERMES to directly detect the recoil proton.

References

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. JI Xiang-Dong. Phys. Rev. Lett., 1997, 78: 610-613; Phys.Rev. D, 1997, 55: 7114-71252. Belitsky A V, Muller D, Kirchner A. Nucl. Phys. B, 2002,629: 323-3923. Airapetian A et al (HERMES collaboration). JHEP, 2009,11: 0834. Diehl M, Sapeta S. Eur. Phys. J. C, 2005, 41: 515-5335. Airapetian A et al (HERMES collaboration). JHEP, 2008,06: 066

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YU Wei-Lin (on behalf of the HERMES collaboration). Deeply virtual compton scattering at HERMES[J]. Chinese Physics C, 2010, 34(9): 1476-1478. doi: 10.1088/1674-1137/34/9/076

YU Wei-Lin (on behalf of the HERMES collaboration). Deeply virtual compton scattering at HERMES[J]. Chinese Physics C, 2010, 34(9): 1476-1478. doi:10.1088/1674-1137/34/9/076 shu

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Received: 2010-02-04
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Deeply virtual compton scattering at HERMES

YU Wei-Lin (on behalf of the HERMES collaboration)

Physikalisches Institut, Justus-Liebig-Universitat Gieen, Heinrich-Buff-Ring 16, 35392 Gieen, Germany

Received Date:2010-02-04
Accepted Date:1900-01-01
Available Online:2010-09-05

Abstract:

Generalized Parton Distributions (GPDs) provide a way to access total angular momenta of partons and give a multidimensional picture of the nucleon structure. Deeply Virtual Compton Scattering (DVCS) is the most direct exclusive process to study GPDs. Different azimuthal cross-section asymmetries with respect to beam helicity, beam charge, and target
polarization have been measured in the HERMES experiment. A recoil detector was installed at HERMES to directly detect the recoil proton.