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https://hdl.handle.net/2440/66395
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Type: | Journal article |
Title: | Medium modifications of the bound nucleon GPDs and incoherent DVCS on nuclear targets |
Author: | Guzey, V. Thomas, A. Tsushima, K. |
Citation: | Physics Letters B: Nuclear Physics and Particle Physics, 2009; 673(1):9-14 |
Publisher: | Elsevier Science BV |
Issue Date: | 2009 |
ISSN: | 0370-2693 1873-2445 |
Statement of Responsibility: | V. Guzey, A.W. Thomas, K. Tsushima |
Abstract: | We study incoherent DVCS on 4He in the 4He (e, e′ γ p) X reaction, which probes possible medium-modifications of the bound nucleon GPDs and elastic form factors. Assuming that the bound nucleon GPDs are modified in proportion to the corresponding bound nucleon elastic form factors, as predicted in the quark-meson coupling model, we develop an approach to calculate various incoherent nuclear DVCS observables. As an example, we compute the beam-spin DVCS asymmetry, and predict the xB- and t-dependence of the ratio of the bound to free proton asymmetries, ALUp* (φ{symbol}) / ALUp (φ{symbol}). We find that the deviation of ALUp* (φ{symbol}) / ALUp (φ{symbol}) from unity is as much as ∼ 6 %. © 2009 Elsevier B.V. All rights reserved. |
Rights: | Copyright © 2009 Elsevier B.V. All rights reserved. |
DOI: | 10.1016/j.physletb.2009.01.064 |
Published version: | http://dx.doi.org/10.1016/j.physletb.2009.01.064 |
Appears in Collections: | Aurora harvest 5 Physics publications |
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