Search for scalar leptons, charginos and neutralinos in e+e- collisions at √s=161-172 GeV

被引：23

作者：

Acciarri, M ^{[1
]}

Adriani, O

Aguilar-Benitez, M

Ahlen, S

Alcaraz, J

Alemanni, G

Allaby, J

Aloisio, A

Alverson, G

Alviggi, MG

Ambrosi, G

Anderhub, H

Andreev, VP

Angelescu, T

Anselmo, F

Arefiev, A

Azemoon, T

Aziz, T

Bagnaia, P

Baksay, L

Banerjee, S

Banicz, K

Barczyk, A

Barillere, R

Barone, L

Bartalini, P

Baschirotto, A

Basile, M

Battiston, R

Bay, A

Becattini, F

Becker, U

Behner, F

Berdugo, J

Berges, P

Bertucci, B

Betev, BL

Bhattacharya, S

Biasini, M

Biland, A

Bilei, GM

Blaising, JJ

Blyth, SC

Bobbink, GJ

Bock, R

Bohm, A

Boldizsar, L

Borgia, B

Bourilkov, D

机构：

[1] Rhein Westfal TH Aachen, Inst Phys 1, D-52056 Aachen, Germany

[2] Rhein Westfal TH Aachen, Inst Phys 3, D-52056 Aachen, Germany

[3] NIKHEF, Natl Inst High Energy Phys, NL-1009 DB Amsterdam, Netherlands

[4] Univ Amsterdam, NL-1009 DB Amsterdam, Netherlands

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

[6] CNRS, LAPP, IN2P3, Lab Annecy Le Vieux Phys Particules, F-74941 Annecy Le Vieux, France

[7] Johns Hopkins Univ, Baltimore, MD 21218 USA

[8] Univ Basel, Inst Phys, CH-4056 Basel, Switzerland

[9] Louisiana State Univ, Baton Rouge, LA 70803 USA

[10] Inst High Energy Phys, Beijing 100039, Peoples R China

[11] Humboldt Univ, D-10099 Berlin, Germany

[12] Univ Bologna, I-40126 Bologna, Italy

[13] Ist Nazl Fis Nucl, Sez Bologna, I-40126 Bologna, Italy

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

[15] Boston Univ, Boston, MA 02215 USA

[16] Northeastern Univ, Boston, MA 02115 USA

[17] Inst Atom Phys, R-76900 Bucharest, Romania

[18] Univ Bucharest, R-76900 Bucharest, Romania

[19] Hungarian Acad Sci, Cent Res Inst Phys, H-1525 Budapest 114, Hungary

[20] Harvard Univ, Cambridge, MA 02139 USA

[21] MIT, Cambridge, MA 02139 USA

[22] Ist Nazl Fis Nucl, Sez Firenze, I-50125 Florence, Italy

[23] Univ Florence, I-50125 Florence, Italy

[24] CERN, European Lab Particle Phys, CH-1211 Geneva 23, Switzerland

[25] FBLJA, World Lab, CH-1211 Geneva 23, Switzerland

[26] Univ Geneva, CH-1211 Geneva 4, Switzerland

[27] Univ Sci & Technol China, USTC, Hefei 230029, Anhui, Peoples R China

[28] SEFT, Res Inst High Energy Phys, SF-00014 Helsinki, Finland

[29] Univ Lausanne, CH-1015 Lausanne, Switzerland

[30] Ist Nazl Fis Nucl, Sez Lecce, I-73100 Lecce, Italy

[31] Univ Lecce, I-73100 Lecce, Italy

[32] Los Alamos Natl Lab, Los Alamos, NM 87544 USA

[33] Univ Lyon 1, CNRS, IN2P3, Inst Phys Nucl, F-69622 Villeurbanne, France

[34] CIEMAT, Ctr Invest Energet Medioambientales & Tecnol, E-28040 Madrid, Spain

[35] Ist Nazl Fis Nucl, Sez Milano, I-20133 Milan, Italy

[36] ITEP, Inst Theoret & Expt Phys, Moscow, Russia

[37] Ist Nazl Fis Nucl, Sez Napoli, I-80125 Naples, Italy

[38] Univ Naples Federico II, I-80125 Naples, Italy

[39] Univ Cyprus, Dept Nat Sci, Nicosia, Cyprus

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

[41] Natl Inst Nucl Phys & High Energy Phys, NL-6525 ED Nijmegen, Netherlands

[42] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA

[43] CALTECH, Pasadena, CA 91125 USA

[44] Ist Nazl Fis Nucl, Sez Perugia, I-06100 Perugia, Italy

[45] Univ Perugia, I-06100 Perugia, Italy

[46] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA

[47] Princeton Univ, Princeton, NJ 08544 USA

[48] Ist Nazl Fis Nucl, Sez Roma, I-00185 Rome, Italy

[49] Univ Roma La Sapienza, I-00185 Rome, Italy

[50] Inst Nucl Phys, St Petersburg, Russia

来源：

EUROPEAN PHYSICAL JOURNAL C | 1998年 / 4卷 / 02期

关键词：

D O I：

10.1007/s100520050198

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

Scalar leptons, charginos and neutralinos, predicted by supersymmetric theories, have been searched for in data samples collected with the L3 detector at centre-of-mass energies of 161 GeV and 172 GeV with integrated luminosities of 10.7 pb(-1) and 10.0 pb(-1) respectively. No evidence for such particles is found. New limits on production cross sections are set, assuming R-parity conservation. New exclusion contours in the Minimal Supersymmetric Standard Mc del parameter space as well as new lower limits on masses are derived.

引用

页码：207 / 219

页数：13

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