SEARCH FOR RESONANT ELECTRON POSITRON ANNIHILATION-IN-FLIGHT

被引：6

作者：

TRZASKA, WH ^{[1
]}

DEJBAKHSH, H ^{[1
]}

DUTTA, SB ^{[1
]}

LI, Q ^{[1
]}

CORMIER, TM ^{[1
]}

机构：

[1] TEXAS A&M UNIV SYST,INST CYCLOTRON,COLLEGE STN,TX 77843

来源：

PHYSICS LETTERS B | 1991年 / 269卷 / 1-2期

关键词：

D O I：

10.1016/0370-2693(91)91451-Z

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We have studied the energy dependence of the electron-positron annihilation-in-flight cross section for di-photon invariant masses in the range of 1600-2000 keV. At the 95% confidence level, no resonances are observed implying, for example, GAMMA-gamma-gamma-GAMMA-ee/GAMMA < 6.6 meV at the location of the anomalous peak in e+e- sum energy at almost-equal-to 800 keV observed in heavy ion reactions.

引用

页码：54 / 58

页数：5

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