Chin. Phys. Lett.  2015, Vol. 32 Issue (5): 051201    DOI: 10.1088/0256-307X/32/5/051201
THE PHYSICS OF ELEMENTARY PARTICLES AND FIELDS |
A New Research about Pion Parton Distribution Function
LOU Li-Yang, RUAN Jian-Hong**
Department of Physics, East China Normal University, Shanghai 200062
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LOU Li-Yang, RUAN Jian-Hong 2015 Chin. Phys. Lett. 32 051201
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Abstract

A new fit of the pion parton distribution functions is provided. Only valence quark distributions are used at a low evolution scale and are evolved with the modified Dokshitzer–Gribov–Lipatov–Altarelli–Parisi equation which is briefly introduced in this work, and the sea quark and gluon distributions are only generated by the quantum chromodynamics processes. We find that the parton distributions can explain the pion-nucleon experiments data well, and it can also be compared with the data from the leading neutron data of experiments at HERA. The momentum distributions among the partons are discussed and our results are consistent with some models.

Received: 30 December 2014      Published: 01 June 2015
PACS:  12.38.Bx (Perturbative calculations)  
  13.60.Hb (Total and inclusive cross sections (including deep-inelastic processes))  
  25.80.Ek (Pion inelastic scattering)  
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https://cpl.iphy.ac.cn/10.1088/0256-307X/32/5/051201       OR      https://cpl.iphy.ac.cn/Y2015/V32/I5/051201
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LOU Li-Yang
RUAN Jian-Hong

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