Observation of an anomalous number of dimuon events in a high energy neutrino beam

被引：22

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

Frey, R

Formaggio, JA

Goldman, J

Goncharov, M

Harris, DA

Johnson, RA

Kim, JH

Koutsoliotas, S

Lamm, MJ

Marsh, W

Mason, D

McDonald, J

McNulty, C

McFarland, KS

Naples, D

Nienaber, P

Romosan, A

Sakumoto, WK

Schellmann, H

Shaevitz, MH

Spentzouris, P

Stern, EG

Suwonjandee, N

Tzanov, M

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 45221 USA

[3] Columbia Univ, New York, NY 10027 USA

[4] Fermi Natl Accelerator Lab, Batavia, IL 60510 USA

[5] Northwestern Univ, Evanston, IL 60208 USA

[6] Univ Oregon, Eugene, OR 97403 USA

[7] Univ Pittsburgh, Pittsburgh, PA 15260 USA

[8] Univ Rochester, Rochester, NY 14627 USA

来源：

PHYSICAL REVIEW LETTERS | 2001年 / 87卷 / 04期

关键词：

D O I：

10.1103/PhysRevLett.87.041801

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A search for long-lived neutral particles (N-0's) with masses above 2.2 GeV/c(2) that decay into at least one muon has been performed using an instrumented decay channel at the NuTeV experiment at Fermilab. Data were examined for particles decaying into the final states mu mu, mue, and mu pi. Three mu mu events were observed over an expected standard model background of 0.069 +/- 0.010 events; no events were observed in the other modes.

引用

页码：41801 / 1

页数：4

共 50 条

[1] Observation of anomalous dimuon events in the NuTeV decay detector
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Alton, A
Avvakumov, S
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Bodek, A
Bolton, T
Brau, J
Buchholz, D
Budd, H
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Fleming, BT
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Schellman, H
Spentzouris, P
Stern, EG
Suwonjandee, N
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