Search for photon-photon elastic scattering in the X-ray region

被引：27

作者：

Inada, T. ^{[1
]}

Yamaji, T. ^{[1
]}

Adachi, S. ^{[1
]}

Namba, T. ^{[2
]}

Asai, S. ^{[1
]}

Kobayashi, T. ^{[2
]}

Tamasaku, K. ^{[3
]}

Tanaka, Y. ^{[3
]}

Inubushi, Y. ^{[3
]}

Sawada, K. ^{[3
]}

Yabashi, M. ^{[3
]}

Ishikawa, T. ^{[3
]}

机构：

[1] Univ Tokyo, Grad Sch Sci, Dept Phys, Bunkyo Ku, Tokyo 1130033, Japan

[2] Univ Tokyo, Int Ctr Elementary Particle Phys, Bunkyo Ku, Tokyo 1130033, Japan

[3] RIKEN SPring 8 Ctr, Sayo, Hyogo 6795148, Japan

来源：

PHYSICS LETTERS B | 2014年 / 732卷

基金：

日本学术振兴会;

关键词：

FREE-ELECTRON LASER; INVARIANCE;

D O I：

10.1016/j.physletb.2014.03.054

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We report the first results of a search for real photon-photon scattering using X rays. A novel system is developed to split and collide X-ray pulses by applying interferometric techniques. A total of 6.5 x 10(5) pulses (each containing about 10(11) photons) from an X-ray Free-Electron Laser are injected into the system. No scattered events are observed, and an upper limit of 1.7 x 10(-2)4 m(2) (95% C.L.) is obtained on the photon-photon elastic scattering cross section at 6.5 keV. (C) 2014 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.orgilicensesiby/3.0/). Funded by SCOAP(3).

引用

页码：356 / 359

页数：4

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