Observation of anomalous dimuon events in the nutev decay detector

被引:0
|
作者
Adams, T [1 ]
Alton, A
Avvakumov, S
de Barbaro, L
de Barbaro, P
Bernstein, RH
Bodek, A
Bolton, T
Brau, J
Buchholz, D
Budd, H
Bugel, L
Conrad, J
Drucker, RB
Fleming, BT
Formaggio, J
Frey, R
Goldman, J
Goncharov, M
Harris, DA
Johnson, RA
Kim, JH
Koutsoliotas, S
Lamm, MJ
Marsh, W
Mason, D
McDonald, J
McFarland, KS
McNulty, C
Naples, D
Nienaber, P
Romosan, A
Sakumoto, WK
Schellman, H
Shaevitz, MH
Spentzouris, P
Stern, EG
Suwonjandee, N
Vakili, M
Vaitaitis, A
Yang, UK
Yu, J
Zeller, GP
Zimmerman, ED
机构
[1] Kansas State Univ, Manhattan, KS 66506 USA
[2] Univ Cincinnati, Cincinnati, OH USA
[3] Columbia Univ, New York, NY USA
[4] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA
[5] Northwestern Univ, Evanston, IL USA
[6] Univ Oregon, Eugene, OR 97403 USA
[7] Univ Pittsburgh, Pittsburgh, PA USA
[8] Univ Rochester, Rochester, NY USA
关键词
D O I
10.1142/S0217751X01008023
中图分类号
O57 [原子核物理学、高能物理学];
学科分类号
070202 ;
摘要
A search for the decay of long-lived neutral particles has been performed using an instrumented decay channel at the E815 (NuTeV) experiment at Fermilab. The data were examined for particles decaying into the muonic final states mumu, mue, and mupi. Three mumu events were observed over an expected background of 0.040 +/- 0.009 events; no events were observed in the other modes. No Standard Model process appears to be consistent with this observation.
引用
收藏
页码:761 / 763
页数:3
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