Search for charged Higgs bosons in top quark decays

被引：107

作者：

Abazov, V. M. ^{[45
]}

Abbott, B. ^{[31
]}

Abolins, M. ^{[21
]}

Acharya, B. S. ^{[88
]}

Adams, M. ^{[7
]}

Adams, T. ^{[5
]}

Aguilo, E. ^{[59
,60
,61
,62
]}

Ahsan, M. ^{[15
]}

Alexeev, G. D. ^{[45
]}

Alkhazov, G. ^{[49
]}

Alton, A.

Alverson, G. ^{[19
]}

Alves, G. A. ^{[55
]}

Ancu, L. S. ^{[44
]}

Anzelc, M. S. ^{[9
]}

Aoki, M. ^{[6
]}

Arnoud, Y. ^{[70
]}

Arov, M.

Arthaud, M. ^{[75
]}

Askew, A. ^{[5
]}

Asman, B. ^{[50
,51
]}

Atramentov, O. ^{[5
]}

Avila, C. ^{[64
]}

BackusMayes, J.

Badaud, F. ^{[69
]}

Bagby, L. ^{[6
]}

Baldin, B. ^{[6
]}

Bandurin, D. V. ^{[15
]}

Banerjee, S. ^{[88
]}

Barberis, E. ^{[19
]}

Barfuss, A. -F. ^{[71
]}

Bargassa, P. ^{[36
]}

Baringer, P. ^{[14
]}

Barreto, J. ^{[55
]}

Bartlett, J. F. ^{[6
]}

Bassler, U. ^{[75
]}

Bauer, D. ^{[53
]}

Beale, S. ^{[59
,60
,61
,62
]}

Bean, A. ^{[14
]}

Begalli, M. ^{[56
]}

Begel, M. ^{[29
]}

Belanger-Champagne, C. ^{[50
,51
]}

Bellantoni, L. ^{[6
]}

Bellavance, A. ^{[6
]}

Benitez, J. A. ^{[21
]}

Beri, S. B. ^{[86
]}

Bernardi, G. ^{[73
,74
]}

Bernhard, R. ^{[81
]}

Bertram, I. ^{[52
]}

Besancon, M. ^{[75
]}

机构：

[1] Univ Manchester, Manchester, Lancs, England

[2] Univ Arizona, Tucson, AZ 85721 USA

[3] Calif State Univ Fresno, Fresno, CA 93740 USA

[4] Univ Calif Riverside, Riverside, CA 92521 USA

[5] Florida State Univ, Tallahassee, FL 32306 USA

[6] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA

[7] Univ Illinois, Chicago, IL 60607 USA

[8] No Illinois Univ, De Kalb, IL 60115 USA

[9] Northwestern Univ, Evanston, IL 60208 USA

[10] Indiana Univ, Bloomington, IN 47405 USA

[11] Univ Notre Dame, Notre Dame, IN 46556 USA

[12] Purdue Univ Calumet, Hammond, IN 46323 USA

[13] Iowa State Univ, Ames, IA 50011 USA

[14] Univ Kansas, Lawrence, KS 66045 USA

[15] Kansas State Univ, Manhattan, KS 66506 USA

[16] Louisiana Tech Univ, Ruston, LA 71272 USA

[17] Univ Maryland, College Pk, MD 20742 USA

[18] Boston Univ, Boston, MA 02215 USA

[19] Northeastern Univ, Boston, MA 02115 USA

[20] Univ Michigan, Ann Arbor, MI 48109 USA

[21] Michigan State Univ, E Lansing, MI 48824 USA

[22] Univ Mississippi, University, MS 38677 USA

[23] Univ Nebraska, Lincoln, NE 68588 USA

[24] Princeton Univ, Princeton, NJ 08544 USA

[25] SUNY Buffalo, Buffalo, NY 14260 USA

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

[27] Univ Rochester, Rochester, NY 14627 USA

[28] SUNY Stony Brook, Stony Brook, NY 11794 USA

[29] Brookhaven Natl Lab, Upton, NY 11973 USA

[30] Langston Univ, Langston, OK 73050 USA

[31] Univ Oklahoma, Norman, OK 73019 USA

[32] Oklahoma State Univ, Stillwater, OK 74078 USA

[33] Brown Univ, Providence, RI 02912 USA

[34] Univ Texas Arlington, Arlington, TX 76019 USA

[35] So Methodist Univ, Dallas, TX 75275 USA

[36] Rice Univ, Houston, TX 77005 USA

[37] Univ Virginia, Charlottesville, VA 22901 USA

[38] Univ Washington, Seattle, WA 98195 USA

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

[40] Sungkyunkwan Univ, Suwon, South Korea

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

[42] Univ Amsterdam NIKHEF, Amsterdam, Netherlands

[43] FOM Inst NIKHEF, Amsterdam, Netherlands

[44] Radboud Univ Nijmegen NIKHEF, Nijmegen, Netherlands

[45] Joint Inst Nucl Res, Dubna, Russia

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

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

[48] Inst High Energy Phys, Protvino, Russia

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

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

来源：

PHYSICS LETTERS B | 2009年 / 682卷 / 03期

基金：

巴西圣保罗研究基金会; 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：

MSSM; MASSES; PHENOMENOLOGY; EVENTS;

D O I：

10.1016/j.physletb.2009.11.016

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present a search for charged Higgs bosons in top quark decays. We analyze the e + jets, mu + jets, ee, e mu, mu mu, tau e and tau mu final states from top quark pair production events, using data from about 1 fb (1) of integrated luminosity recorded by the DO experiment at the Fermilab Tevatron Collider. We consider different scenarios of possible charged Higgs boson decays, one where the charged Higgs boson decays purely hadronically into a charm and a strange quark, another where it decays into a tau lepton and a tau neutrino and a third one where both decays appear. We extract limits on the branching ratio B(t -> H(+)b) for all these models. We use two methods, one where the t (t) over bar production cross section is fixed, and one where the cross section is fitted simultaneously with B(t -> H(+)b). Based on the extracted limits, we exclude regions in the charged Higgs boson mass and tan beta parameter space for different scenarios of the minimal supersymmetric standard model. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：278 / 286

页数：9

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