COLLIDING ge AND gg BEAMS BASED ON THE SINGLE-PASS e ~ e COLLIDERS (VLEPP TYPE)
COLLIDING ge AND gg BEAMS BASED ON THE SINGLE-PASS e ~ e COLLIDERS (VLEPP TYPE)
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DOI：
10.1016/0167-5087(83)90173-4
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发表时间：
1983-01
期刊：
影响因子：
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通讯作者：
I. Ginzburg;G. Kotkin;V. Serbo;V. Telnov
中科院分区：
文献类型：
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作者：
I. Ginzburg;G. Kotkin;V. Serbo;V. Telnov
我们详细讨论了我们提出的方法获得碰撞。伽马.. e和..伽玛伽玛..使用设计的直线加速器VLEPP和SLC与能量为2 E>或约2 E的碰撞e/sup +/e/sup -/束，100 GeV。激烈的..伽马..通过聚焦在这些加速器的电子束上的激光的后向康普顿散射获得电子束。本文介绍了将电子束转换成电子束的方案。伽马..光束，转换系数和总的和光谱的计算。伽马.. e和..伽玛伽玛..光度为了得到亮度Lsub（..伽马.. e）、Lsub（. gamma gamma..）约= Lsub（ee），需要能量约为15 J，脉冲持续时间约=在10或180 Hz的重复频率下，30 ps。根据目前的技术，这些参数似乎是可以实现的。研究了大气层的光度分布。伽马.. e或..伽玛伽玛..不变质量是广义的。描述了一种单色化方法。它要求增加激光闪光能量（可能增加脉冲持续时间），并导致亮度下降。我们还描述了一种校准总光度和光谱光度的方法。有关背景的问题被证明是比在e/sup +/e/sup -/碰撞更容易。一些有趣的物理问题的例子。伽马.. e和..伽玛伽玛..冲突被列举。
We discuss in detail our proposed method of obtaining colliding ..gamma..e and ..gamma gamma.. beams with high energies and luminosities using the designed linear accelerators VLEPP and SLC with colliding e/sup +/e/sup -/ beams at the energies 2E > or approx. 100 GeV. The intense ..gamma.. beams are obtained by backward Compton scattering of laser light which is focused on the electron beams of these accelerators. This paper contains the scheme for conversion of an electron beam into a ..gamma.. beam, a calculation of the conversion coefficient and of the total and spectral ..gamma..e and ..gamma gamma.. luminosities. To get the luminosity Lsub(..gamma..e), Lsub(..gamma gamma..) approx.= Lsub(ee), one needs a laser flash with energy approx.= 15 J, and a pulse duration approx.= 30 ps at a repetition rate of 10 or 180 Hz. Such parameters seem to be achievable on the basis of current technology. The luminosity distribution over the ..gamma..e or ..gamma gamma.. invariant mass is broad. A method of monochromatization is described. It demands an increase of the laser flash energy (with a possible increase of pulse duration) and leads to a decrease of luminosity. We also describe a method for calibrating the total and spectral luminosities. Problems concerning the background are shown to be easier than in e/sup +/e/sup -/ collisions. Some examples of interesting physical problems for ..gamma..e and ..gamma gamma.. collisions are enumerated.