Recent HERMES Results on DVCS from Proton and Nuclear Targets

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

doi:10.11804/NuclPhysRev.26.S1.124

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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)

文章导航 > 原子核物理评论 > 2009 > 26(5): 124-128

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]. 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

School of Physics and State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing 100871, China

Recent HERMES Results on DVCS from Proton and Nuclear Targets

School of Physics and State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing 100871, China

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.
- GPDs /
- DVCS /
- TTSA /
- nuclearDVCS
Abstract: 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.
- GPDs /
- DVCS /
- TTSA /
- nuclear DVCS

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Recent HERMES Results on DVCS from Proton and Nuclear Targets

doi: 10.11804/NuclPhysRev.26.S1.124

School of Physics and State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing 100871, China

收稿日期: 1900-01-01
修回日期: 1900-01-01
刊出日期: 2020-05-11

关键词:

GPDs /

DVCS /

TTSA /

nuclearDVCS

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.