Kinematically complete analysis of the CLAS data on the proton structure function F2 in a Regge-dual model -: art. no. 014004

被引:17
|
作者
Fiore, R [1 ]
Flachi, A
Jenkovszky, LL
Lengyel, AI
Magas, VK
机构
[1] Univ Calabria, Dipartimento Fis, I-87036 Arcavacata Di Rende, Italy
[2] Grp Collegato Cosenza, Ist Nazl Fis Nucl, I-87036 Arcavacata Di Rende, Italy
[3] IFAE, Barcelona 08193, Spain
[4] Ukraine Acad Med Sci, Bogolyubov Inst Theoret Phys, UA-03143 Kiev, Ukraine
[5] Inst Electron Phys, UA-88000 Uzhgorod, Ukraine
[6] Inst Super Tecn, Dept Phys, Ctr Phys Fundamental Interact, P-1049001 Lisbon, Portugal
来源
PHYSICAL REVIEW D | 2004年 / 69卷 / 01期
关键词
D O I
10.1103/PhysRevD.69.014004
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The recently measured inclusive electron-proton cross section in the nucleon resonance region, performed with the CLAS detector at the Thomas Jefferson Laboratory, has provided new data for the nucleon structure function F-2 with previously unavailable precision. In this paper we propose a description of these experimental data based on a Regge-dual model for F-2. The basic inputs in the model are nonlinear complex Regge trajectories producing both isobar resonances and a smooth background. The model is tested against the experimental data, and the Q(2) dependence of the moments is calculated. The fitted model for the structure function (inclusive cross section) is a limiting case of the more general scattering amplitude equally applicable to deeply virtual Compton scattering. The connection between the two is discussed.
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页数:16
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