Search for pair production of second generation scalar leptoquarks

被引：31

作者：

Abazov, V. M. ^{[92
]}

Abbott, B. ^{[82
]}

Abolins, M. ^{[72
]}

Acharya, B. S.

Adams, M.

Adams, T. ^{[57
,59
]}

Aguilo, E. ^{[6
]}

Ahsan, M. ^{[6
,67
]}

Alexeev, G. D. ^{[92
]}

Alkhazov, G. ^{[44
]}

Alton, A.

Alverson, G. ^{[71
]}

Alves, G. A. ^{[2
]}

Anastasoaie, M. ^{[40
]}

Ancu, L. S. ^{[40
]}

Andeen, T. ^{[61
]}

Andrieu, B. ^{[20
,21
]}

Anzelc, M. S. ^{[61
]}

Aoki, M. ^{[58
]}

Arnoud, Y. ^{[17
]}

Arov, M.

Arthaud, M. ^{[22
]}

Askew, A. ^{[57
,58
]}

Asman, B. ^{[45
,46
,47
,48
]}

Jesus, A. C. S. Assis ^{[3
]}

Atramentov, O. ^{[57
]}

Avila, C. ^{[11
]}

Badaud, F. ^{[16
]}

Bagby, L.

Baldin, B. ^{[58
]}

Bandurin, D. V. ^{[67
]}

Banerjee, P. ^{[33
]}

Banerjee, S. ^{[33
]}

Barberis, E. ^{[71
]}

Barfuss, A. -F. ^{[18
]}

Bargassa, P. ^{[87
]}

Baringer, P. ^{[66
]}

Barreto, J. ^{[2
]}

Bartlett, J. F. ^{[58
]}

Bassler, U. ^{[22
]}

Bauer, D. ^{[50
]}

Beale, S. ^{[6
,7
,8
,9
]}

Bean, A. ^{[66
]}

Begalli, M. ^{[3
]}

Begel, M. ^{[80
]}

Belanger-Champagne, C. ^{[45
,46
,47
,48
]}

Bellantoni, L. ^{[58
]}

Bellavance, A. ^{[58
]}

Benitez, J. A. ^{[72
]}

Beri, S. B. ^{[31
]}

机构：

[1] Univ Buenos Aires, Buenos Aires, DF, Argentina

[2] Ctr Brasileiro Pesquisas Fis, LAFEX, Rio De Janeiro, Brazil

[3] Univ Estado Rio de Janeiro, BR-20550011 Rio De Janeiro, Brazil

[4] Univ Fed ABC, Santo Andre, Brazil

[5] Univ Estadual Paulista, Inst Fis Teor, BR-01405 Sao Paulo, Brazil

[6] Univ Alberta, Edmonton, AB, Canada

[7] Simon Fraser Univ, Burnaby, BC V5A 1S6, Canada

[8] York Univ, Toronto, ON M3J 2R7, Canada

[9] McGill Univ, Montreal, PQ, Canada

[10] Univ Sci & Technol China, Hefei 230026, Peoples R China

[11] Univ Los Andes, Bogota, Colombia

[12] Charles Univ Prague, Ctr Particle Phys, Prague, Czech Republic

[13] Czech Tech Univ, CR-16635 Prague, Czech Republic

[14] Acad Sci Czech Republ, Inst Phys, Ctr Particle Phys, Prague, Czech Republic

[15] Univ San Francisco Quito, Quito, Ecuador

[16] Univ Blaise Pascal, CNRS, IN2P3, LPC, Clermont, France

[17] Univ Grenoble 1, CNRS, IN2P3, Inst Natl Polytech Grenoble,LPSC, Grenoble, France

[18] Aix Marseille Univ, CNRS, IN2P3, CPPM, Marseille, France

[19] Univ Paris Sud, CNRS, IN2P3, LAL, Orsay, France

[20] Univ Paris 06, CNRS, IN2P3, LPNHE, Paris, France

[21] Univ Paris 07, CNRS, IN2P3, LPNHE, Paris, France

[22] SPP, CEA, Saclay, France

[23] Univ Strasbourg, CNRS, IN2P3, IPHC, Strasbourg, France

[24] Univ Lyon 1, CNRS, IN2P3, IPNL, F-69622 Villeurbanne, France

[25] Rhein Westfal TH Aachen, Phys Inst A 3, Aachen, Germany

[26] Univ Bonn, Inst Phys, D-5300 Bonn, Germany

[27] Univ Freiburg, Inst Phys, Freiburg, Germany

[28] Johannes Gutenberg Univ Mainz, Inst Phys, D-6500 Mainz, Germany

[29] Univ Munich, Munich, Germany

[30] Univ Wuppertal, Fachbereich Phys, Wuppertal, Germany

[31] Panjab Univ, Chandigarh 160014, India

[32] Univ Delhi, Delhi 110007, India

[33] Tata Inst Fundamental Res, Bombay 400005, Maharashtra, India

[34] Univ Coll Dublin, Dublin 2, Ireland

[35] Korea Univ, Korea Detector Lab, Seoul, South Korea

[36] Sungkyunkwan Univ, Suwon, South Korea

[37] CINVESTAV, Mexico City 14000, DF, Mexico

[38] FOM, Inst NIKHEF, NL-1098 SJ Amsterdam, Netherlands

[39] Univ Amsterdam, NIKHEF, Amsterdam, Netherlands

[40] Radboud Univ Nijmegen, NIKHEF, NL-6525 ED Nijmegen, Netherlands

[41] Inst Theoret & Expt Phys, Moscow 117259, Russia

[42] Moscow MV Lomonosov State Univ, Moscow, Russia

[43] Inst High Energy Phys, Protvino, Russia

[44] Petersburg Nucl Phys Inst, St Petersburg, Russia

[45] Lund Univ, Lund, Sweden

[46] Royal Inst Technol, Stockholm, Sweden

[47] Stockholm Univ, S-10691 Stockholm, Sweden

[48] Uppsala Univ, Uppsala, Sweden

[49] Univ Lancaster, Lancaster, England

[50] Univ London Imperial Coll Sci Technol & Med, London, England

来源：

PHYSICS LETTERS B | 2009年 / 671卷 / 02期

基金：

加拿大自然科学与工程研究理事会; 瑞典研究理事会;

关键词：

D O I：

10.1016/j.physletb.2008.12.017

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We report on a search for the pair production of second generation scalar leptoquarks (LQ) in p (p) over bar collisions at the center of mass energy root s- = 1.96 TeV using a data set corresponding to an integrated luminosity of 1.0 fb(-1) collected with the D empty set experiment at the Fermilab Tevatron Collider. Topologies arising from the LQ (LQ) over bar -> mu q nu q and LQ (LQ) over bar -> mu q mu q decay modes are investigated. No excess of data over the standard model prediction is observed and upper limits on the leptoquark pair production cross section are derived at the 95% C.L. as a function of the leptoquark mass and the branching fraction beta for the decay LQ -> mu q. These are interpreted as lower limits on the leptoquark mass as a function of beta. For beta = 1 (0.5), scalar second generation leptoquarks with masses up to 316 GeV (270 GeV) are excluded. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：224 / 232

页数：9

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Rohringer, H.
Schoefbeck, R.
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Teischinger, F.
Wagner, P.
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Walzel, G.
Widl, E.
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Cerny, K.
DeWolf, E. A.
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Mucibello, L.
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