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Recent HERMES Results on DVCS from Proton and Nuclear Targets

YE Hong-xue MAO Ya-jun (on behalf of the HERMES Collaboration)

YE Hong-xue, MAO Ya-jun (on behalf of the HERMES Collaboration). Recent HERMES Results on DVCS from Proton and Nuclear Targets[J]. 原子核物理评论, 2009, 26(5): 124-128. doi: 10.11804/NuclPhysRev.26.S1.124
引用本文: YE Hong-xue, MAO Ya-jun (on behalf of the HERMES Collaboration). Recent HERMES Results on DVCS from Proton and Nuclear Targets[J]. 原子核物理评论, 2009, 26(5): 124-128. doi: 10.11804/NuclPhysRev.26.S1.124
YE Hong-xue, MAO Ya-jun (on behalf of the HERMES Collaboration). Recent HERMES Results on DVCS from Proton and Nuclear Targets[J]. Nuclear Physics Review, 2009, 26(5): 124-128. doi: 10.11804/NuclPhysRev.26.S1.124
Citation: YE Hong-xue, MAO Ya-jun (on behalf of the HERMES Collaboration). Recent HERMES Results on DVCS from Proton and Nuclear Targets[J]. Nuclear Physics Review, 2009, 26(5): 124-128. doi: 10.11804/NuclPhysRev.26.S1.124

Recent HERMES Results on DVCS from Proton and Nuclear Targets

doi: 10.11804/NuclPhysRev.26.S1.124

Recent HERMES Results on DVCS from Proton and Nuclear Targets

  • 摘要: Spin structure is one of the fundamental subjects in the study of nucleon structure. Recently it is found that Generalized Parton Distributions(GPDs) are related to the total angular momentum carried by partons, which offers a possible solution to the spin puzzle in the first time. We get access to certain GPDs by looking at the azimuthal angle asymmetries attributed to the interference between Deeply Virtual Compton Scattering(DVCS) and BetheHeilter processes in HERMES experiment. By measuring the asymmetry with respect to transverse target polarization from proton target, a modeldependent constraint on Ju vs Jd is obtained. Another worldwide unique channel is nuclear DVCS. The preliminary results on asymmetries with respect to beam spin and beam charge are
    reported.
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出版历程
  • 收稿日期:  1900-01-01
  • 修回日期:  1900-01-01
  • 刊出日期:  2009-07-20

Recent HERMES Results on DVCS from Proton and Nuclear Targets

doi: 10.11804/NuclPhysRev.26.S1.124

摘要: Spin structure is one of the fundamental subjects in the study of nucleon structure. Recently it is found that Generalized Parton Distributions(GPDs) are related to the total angular momentum carried by partons, which offers a possible solution to the spin puzzle in the first time. We get access to certain GPDs by looking at the azimuthal angle asymmetries attributed to the interference between Deeply Virtual Compton Scattering(DVCS) and BetheHeilter processes in HERMES experiment. By measuring the asymmetry with respect to transverse target polarization from proton target, a modeldependent constraint on Ju vs Jd is obtained. Another worldwide unique channel is nuclear DVCS. The preliminary results on asymmetries with respect to beam spin and beam charge are
reported.

English Abstract

YE Hong-xue, MAO Ya-jun (on behalf of the HERMES Collaboration). Recent HERMES Results on DVCS from Proton and Nuclear Targets[J]. 原子核物理评论, 2009, 26(5): 124-128. doi: 10.11804/NuclPhysRev.26.S1.124
引用本文: YE Hong-xue, MAO Ya-jun (on behalf of the HERMES Collaboration). Recent HERMES Results on DVCS from Proton and Nuclear Targets[J]. 原子核物理评论, 2009, 26(5): 124-128. doi: 10.11804/NuclPhysRev.26.S1.124
YE Hong-xue, MAO Ya-jun (on behalf of the HERMES Collaboration). Recent HERMES Results on DVCS from Proton and Nuclear Targets[J]. Nuclear Physics Review, 2009, 26(5): 124-128. doi: 10.11804/NuclPhysRev.26.S1.124
Citation: YE Hong-xue, MAO Ya-jun (on behalf of the HERMES Collaboration). Recent HERMES Results on DVCS from Proton and Nuclear Targets[J]. Nuclear Physics Review, 2009, 26(5): 124-128. doi: 10.11804/NuclPhysRev.26.S1.124

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