Helicity amplitudes for the small-angle lepton pair production in e~+e~- or μ~+μ~- collisions

E. A. Kuraev; A. Schiller; V. G. Serbo; D. V. Serebryakova

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Helicity amplitudes for the small-angle lepton pair production in e~+e~- or μ~+μ~- collisions

机译：e〜+ e〜-或μ〜+μ〜-碰撞中小角度轻子对产生的螺旋度

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The lepton pair production e~-e~+ → e~-e~+l~-l~+ or μ~-μ~+ → μ~-μ~+l~-l~+ is studied in the dominant cross section region of scattering angles m_j/E_j approx.< θ_j 1. An analytical expression is found for all 64 helicity amplitudes of these processes. The accuracy of the obtained formulae is given omitting only terms of the order of m_j~2/E_j~2, θ_j~2, and θ_jm_j/E_j. The result has a compact form convenient both for analytical and numerical calculations of various cross sections in this dominating scattering regime.

机译：在显性截面中研究了轻子对产生e〜-e〜+→e〜-e〜+ l〜-l〜+或μ〜-μ〜+→μ〜-μ〜+ l〜-l〜+散射角m_j / E_j的区域大约<θ_j 1.找到了这些过程的所有64个螺旋度的解析表达式。给出的公式的精确度仅省略了m_j〜2 / E_j〜2，θ_j〜2和θ_jm_j/ E_j的量级。结果具有紧凑的形式，便于在这种主要的散射状态下进行各种截面的分析和数值计算。

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《The European physical journal, C. Particles and fields》 |1998年第4期|共9页
作者
E. A. Kuraev; A. Schiller; V. G. Serbo; D. V. Serebryakova;
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中图分类粒子物理学;
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1. Helicity amplitudes for the small-angle lepton pair production in e~+e~- or μ~+μ~- collisions [J] . E. A. Kuraev, A. Schiller, V. G. Serbo, The European physical journal, C. Particles and fields . 1998,第4期

机译：e〜+ e〜-或μ〜+μ〜-碰撞中小角度轻子对产生的螺旋度
2. New method for calculating helicity amplitudes of jet-like QED processes for high-energy colliders: II. Processes with lepton pair production [J] . C. Carimalo, A. Schiller, V. G. Serbo The European physical journal, C. Particles and fields . 2003,第3期

机译：计算高能对撞机喷射式QED过程螺旋度振幅的新方法：II。轻子对生产工艺
3. Watson representation for the amplitude of lepton-pair production in nucleus-nucleus collisions [J] . O. O. Voskresenskaya, A. N. Sissakian, A. V. Tarasov, Physics of particles and nuclei letters . 2006,第4期

机译：Watson对核核碰撞中Lepton-Bain的幅度表示
4. Photoproduction of lepton pairs in proton-nucleus and nucleus-nucleus collisions at RHIC and LHC energies [C] . B. D. Moreira, V. P. Gon?alves, J. T. de Santana Amaral International Workshop on Hadron Physics . 2013

机译：在RAC和LHC能量的质子核和核心碰撞中的Lepton对的光洗脱
5. Search for the standard model Higgs Boson production and decay to W Boson pairs using the lepton + met + jets channel using 4.7 fb(-1 as an exponent) of data recorded by the ATLAS detector at the square root of s = 7 TeV proton-proton collision. [D] . Jana, Dilip Kumar. 2013

机译：使用4.7 fb（-1作为指数）的ATLAS探测器在s = 7 TeV质子质子碰撞。
6. Search for direct top squark pair production in final states with two tau leptons in pp collisions at ... formula ... TeV with the ATLAS detector [O] . G. Aad, B. Abbott, J. Abdallah, -1

机译：使用ATLAS探测器在TeV ... ...... pp碰撞中搜索两个tau轻子在pp碰撞中最终状态下的直接顶级壁虎对生产
7. Helicity amplitudes for the small angle lepton pair production in $e^+ e^-$ or $\mu^+ \mu^-$ collisions [O] . Kuraev, E A, Schiller, A, Serbo, V G, 1997

机译：$ e ^ + e ^-$或$ \ mu ^ + \ mu ^-$碰撞中小角度轻子对产生的螺旋度

Helicity amplitudes for the small-angle lepton pair production in e~+e~- or μ~+μ~- collisions

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