arXiv physics/04030372004-03-04physics.acc-ph

直线对撞机的亮度、能量和偏振研究：NLC和TESLA的e+e-和e-e-的比较

Luminosity, Energy and Polarization Studies for the Linear Collider: Comparing e+e- and e-e- for NLC and TESLA

M. Woods, A. Florimonte, K. C. Moffeit, T. O. Raubenheimer, A. Seryi, C. Sramek

备注：: 17 pages, 12 figures. Presented at 5th International Workshop on Electron-Electron Interactions at TeV Energies, December 12-14, 2003, Santa Cruz, CA
DOI：: 10.1142/S0217751X05031241

摘要：

我们目前的结果，从光度，能量和偏振的研究在未来的线性对撞机。我们比较了电子+电子和电子-电子操作模式，并考虑在500 GeV的质心能量的NLC和TESLA光束参数规格。使用现实的碰撞光束分布，其中包括从阻尼环到相互作用点的光束传输的动态效应。梁-梁偏转扫描和它们的影响，基于梁的反馈被认为是。研究了横向扭折不稳定性，包括它对确定光度加权质心能量的影响。偏振在提取线从IP，包括在康普顿IP和康普顿探测器的光束分布的结果。

英文摘要：

We present results from luminosity, energy and polarization studies at a future Linear Collider. We compare e+e- and e-e- modes of operation and consider both NLC and TESLA beam parameter specifications at a center-of-mass energy of 500 GeV. Realistic colliding beam distributions are used, which include dynamic effects of the beam transport from the Damping Rings to the Interaction Point. Beam-beam deflections scans and their impact for beam-based feedbacks are considered. A transverse kink instability is studied, including its impact on determining the luminosity-weighted center-of-mass energy. Polarimetry in the extraction line from the IP is presented, including results on beam distributions at the Compton IP and at the Compton detector.

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