Monte-Carlo generator photon jets for the process e+e- → γγ

被引：5
|
作者：
Eidelman, S. I. [1 ,2 ]
Fedotovich, G. V. [1 ,2 ]
Kuraev, E. A. [3 ]
Sibidanov, A. L. [1 ]
机构：
[1] Budker Inst Nucl Phys, Novosibirsk 630090, Russia
[2] Novosibirsk State Univ, Novosibirsk 630090, Russia
[3] Bogolubov Lab Theor Phys, Dubna, Moscow Region, Russia
来源：
EUROPEAN PHYSICAL JOURNAL C | 2011年 / 71卷 / 06期
关键词：
RADIATIVE-CORRECTIONS; HIGH-ENERGY; ANNIHILATION; PAIR;
D O I：
10.1140/epjc/s10052-011-1597-2
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
Monte-Carlo generator with photon jets radiation in collinear regions for the process e(+)e(-) --> gamma gamma is described in detail. Radiative corrections in the first order of a are treated exactly. Large leading logarithmic corrections coming from collinear regions are taken into account in all orders of a by applying the Structure Function approach. Theoretical precision of the cross section with radiative corrections is estimated to be 0.2%. This process is considered as an additional tool to measure luminosity in forthcoming experiments with the CMD-3 detector at the e(+)e(-) collider VEPP-2000.
引用
收藏
页数：5
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