Photon Radiation Induced by Multiple Parton Rescattering in Deeply Inelastic Scattering

Chin. Phys. Lett.

2003, Vol. 20

Issue (5): 639-642 DOI:

Original Articles

Photon Radiation Induced by Multiple Parton Rescattering in Deeply Inelastic Scattering

ZHANG Ben-Wei;WANG En-Ke

Institute of Particle Physics, Huazhong Normal University, Wuhan 430079

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ZHANG Ben-Wei, WANG En-Ke 2003 Chin. Phys. Lett. 20 639-642

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Abstract Photon radiation induced by multiple parton rescattering and corresponding parton energy loss in eA deeply inelastic scattering are investigated by using the generalized factorization of higher twist parton distributions beyond the helicity amplitude approximation. It turns out that the behaviour of the nuclear size dependence of the parton energy loss is different in the photon and gluon radiation cases. The parton energy loss due to photon radiation depends linearly, instead of quadratically, on nuclear size due to gluon radiation.

Keywords: 24.85.+p 12.38.Bx 13.87.Ce 13.60.-r

Published: 01 May 2003

PACS:	24.85.+p	(Quarks, gluons, and QCD in nuclear reactions)
	12.38.Bx	(Perturbative calculations)
	13.87.Ce	(Production)
	13.60.-r	(Photon and charged-lepton interactions with hadrons)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2003/V20/I5/0639

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