Search for chargino-neutralino production in p(p)over-bar collisions at √s=1.96 TeV

被引：8
|
作者：
Aaltonen, T. [1 ]
Abulencia, A.
Adelman, J.
Affolder, T.
Akimoto, T.
Albrow, M. G.
Amerio, S.
Amidei, D.
Anastassov, A.
Anikeev, K.
Annovi, A.
Antos, J.
Aoki, M.
Apollinari, G.
Arisawa, T.
Artikov, A.
Ashmanskas, W.
Attal, A.
Aurisano, A.
Azfar, F.
Azzi-Bacchetta, P.
Azzurri, P.
Bacchetta, N.
Badgett, W.
Barbaro-Galtieri, A.
Barnes, V. E.
Barnett, B. A.
Baroiant, S.
Bartsch, V.
Bauer, G.
Beauchemin, P. -H.
Bedeschi, F.
Behari, S.
Bellettini, G.
Bellinger, J.
Belloni, A.
Benjamin, D.
Beretvas, A.
Beringer, J.
Berry, T.
Bhatti, A.
Binkley, M.
Bisello, D.
Bizjak, I.
Blair, R. E.
Blocker, C.
Blumenfeld, B.
Bocci, A.
Bodek, A.
Boisvert, V.
机构：
[1] Okayama Univ, Okayama 7008530, Japan
来源：
PHYSICAL REVIEW LETTERS | 2007年 / 99卷 / 19期
基金：
英国科学技术设施理事会;
关键词：
D O I：
10.1103/PhysRevLett.99.191806
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We present a search for associated production of the chargino and neutralino supersymmetric particles using up to 1.1 fb(-1) of integrated luminosity collected by the CDF II experiment at the Tevatron p (p) over bar collider at root s=1.96 TeV. We analyze events with a large transverse momentum imbalance and either three charged leptons or two charged leptons of the same electric charge. The numbers of observed events are consistent with standard model expectations. Upper limits on the production cross section are derived in different theoretical models.
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收藏
页数：7
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