Deep inelastic eγ scattering at high Q2

被引：11
|
作者：
Gehrmann-De Ridder, A [1 ]
Spiesberger, H
Zerwas, PM
机构：
[1] DESY, D-22603 Hamburg, Germany
[2] Univ Karlsruhe, Inst Theoret Teilchenphys, D-76128 Karlsruhe, Germany
[3] Johannes Gutenberg Univ Mainz, Inst Phys, D-55099 Mainz, Germany
来源：
PHYSICS LETTERS B | 1999年 / 469卷 / 1-4期
关键词：
D O I：
10.1016/S0370-2693(99)01257-5
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The electromagnetic and weak structure functions of the photon can be studied in the deep inelastic electron-photon processes e gamma --> e + X and e gamma --> nu + X. While at low energies only virtual photon exchange is operative in the neutral-current process, additional Z-exchange becomes relevant for high Q(2) of order M-Z(2) at e(+)e(-) linear colliders. Likewise the charged-current process can be observed at these high energy colliders. By measuring the electroweak neutral- and charged-current structure functions, the up- and down-type quark content of the photon can be determined separately. (C) 1999 Elsevier Science B.V. All rights reserved.
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页码：259 / 262
页数：4
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