Exclusive meson production at HERMES

Eduard Avetisyan (on behalf of HERMES collaboration)

doi:10.1088/1674-1137/34/9/075

Chinese Physics C> 2010, Vol. 34> Issue(9) : 1472-1475 DOI: 10.1088/1674-1137/34/9/075

Exclusive meson production at HERMES

Eduard Avetisyan (on behalf of HERMES collaboration)

Deutsches Electronen Synchrotron, 22603 Hamburg, Germany

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Abstract：
The exclusive electroproduction of pseudoscalar and vector mesons was studied with the HERMES spectrometer at the DESY laboratory by scattering 27.6 GeV positron and electron beams off a transversely polarized hydrogen target. The results are compared to calculations based on generalized parton distributions, some of which are sensitive to the contribution of the total angular momentum of the quarks to the proton spin.

References

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[20]	BAI Zhan-Wu . π-MESON DISTRIBUTION AMPLITUDE AND RELATIVE EXCLUSIVE PROCESSES. Chinese Physics C, 1988, 12(6): 749-753.

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Eduard Avetisyan (on behalf of HERMES collaboration). Exclusive meson production at HERMES[J]. Chinese Physics C, 2010, 34(9): 1472-1475. doi: 10.1088/1674-1137/34/9/075

Eduard Avetisyan (on behalf of HERMES collaboration). Exclusive meson production at HERMES[J]. Chinese Physics C, 2010, 34(9): 1472-1475. doi: 10.1088/1674-1137/34/9/075 shu

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Received: 2010-01-26
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

Exclusive meson production at HERMES

Eduard Avetisyan (on behalf of HERMES collaboration)

Deutsches Electronen Synchrotron, 22603 Hamburg, Germany

Received Date: 2010-01-26
Accepted Date: 1900-01-01
Available Online: 2010-09-05

Abstract:

The exclusive electroproduction of pseudoscalar and vector mesons was studied with the HERMES spectrometer at the DESY laboratory by scattering 27.6 GeV positron and electron beams off a transversely polarized hydrogen target. The results are compared to calculations based on generalized parton distributions, some of which are sensitive to the contribution of the total angular momentum of the quarks to the proton spin.