Search for lepton flavor violation process e+e- → eμ in the energy region √s=984-1060 MeV and φ → eμ decay

被引：15
|
作者：
Achasov, M. N. [1 ]
Beloborodov, K. I.
Bergyugin, A. V.
Bogdanchikov, A. G.
Bukin, A. D.
Bukin, D. A.
Dimova, T. V.
Druzhinin, V. P.
Golubev, V. B.
Koop, I. A.
Korol, A. A.
Koshuba, S. V.
Lysenko, A. P.
Pakhtusova, E. V.
Serednyakov, S. I.
Shatunov, Yu. M.
Silagadze, Z. K.
Skrinsky, A. N.
Vasiljev, A. V.
机构：
[1] Russian Acad Sci, Siberian Branch, Budker Inst Nucl Phys, Novosibirsk 630090, Russia
来源：
PHYSICAL REVIEW D | 2010年 / 81卷 / 05期
关键词：
D O I：
10.1103/PhysRevD.81.057102
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
A search for lepton-flavor-violating process e(+)e(-) -> e mu in the energy region root s = 984-1060 MeV with the SND detector at the VEPP-2M e(+)e(-) collider is reported. The model independent 90% C. L. upper limits on the e(+)e(-) -> e mu cross section, sigma(e mu) < 8 pb, as well as on the corresponding phi -> e mu branching fraction, B(phi -> e mu) < 2 x 10(-6) have been obtained, for the polar angles 55 degrees < theta < 125 degrees of the final particles.
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页数：4
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