Search for manifestations of new physics in fermion-pair production at LEP

被引：62

作者：

Acciarri, M ^{[1
]}

Achard, P

Adriani, O

Aguilar-Benitez, M

Alcaraz, J

Alemanni, G

Allaby, J

Aloisio, A

Alviggi, MG

Ambrosi, G

Anderhub, H

Andreev, VP

Angelescu, T

Anselmo, F

Arefiev, A

Azemoon, T

Aziz, T

Bagnaia, P

Bajo, A

Baksay, L

Balandras, A

Baldew, SV

Banerjee, S

Banerjee, SW

Barczyk, A

Barillère, R

Barone, L

Bartalini, P

Basile, M

Battiston, R

Bay, A

Becattini, F

Becker, U

Behner, F

Bellucci, L

Berbeco, R

Berdugo, J

Berges, P

Bertucci, B

Betev, BL

Bhattacharya, S

Biasini, M

Biland, A

Blaising, JJ

Blyth, SC

Bobbink, GJ

Böhm, A

Boldizsar, L

Borgia, B

Bourilkov, D

机构：

[1] Ist Nazl Fis Nucl, Sezione Milano, I-20133 Milan, Italy

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

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

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

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

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

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

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

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

[10] IHEP, Beijing 100039, Peoples R China

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

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

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

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

[15] Northeastern Univ, Boston, MA 02115 USA

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

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

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

[19] MIT, Cambridge, MA 02139 USA

[20] Univ Debrecen, ATOMKI, H-4010 Debrecen, Hungary

[21] Ist Nazl Fis Nucl, Sezione Firenze, I-50125 Florence, Italy

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

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

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

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

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

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

[28] Ist Nazl Fis Nucl, Sezione Lecce, I-73100 Lecce, Italy

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

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

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

[32] ITEP, Moscow, Russia

[33] Ist Nazl Fis Nucl, Sezione Napoli, I-80125 Naples, Italy

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

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

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

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

[38] CALTECH, Pasadena, CA 91125 USA

[39] Ist Nazl Fis Nucl, Sezione Perugia, I-06100 Perugia, Italy

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

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

[42] Princeton Univ, Princeton, NJ 08544 USA

[43] Ist Nazl Fis Nucl, Sezione Roma, I-00185 Rome, Italy

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

[45] Inst Phys Nucl, St Petersburg, Russia

[46] Ist Nazl Fis Nucl, Sezione Napoli, I-85100 Potenza, Italy

[47] Univ Potenza, I-85100 Potenza, Italy

[48] Univ Salerno, I-84100 Salerno, Italy

[49] Ist Nazl Fis Nucl, I-84100 Salerno, Italy

[50] Univ Calif San Diego, La Jolla, CA 92093 USA

来源：

PHYSICS LETTERS B | 2000年 / 489卷 / 1-2期

关键词：

D O I：

10.1016/S0370-2693(00)00887-X

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The measurements of hadron and lepton-pair production cross sections and leptonic forward-backward asymmetries performed with the L3 detector at centre-of-mass energies between 130 GeV and 189 GeV are used to search for new physics phenomena such as: contact interactions, exchange of virtual leptoquarks, scalar quarks and scalar neutrinos, effects of TeV strings in models of quantum gravity with large extra dimensions and non-zero sizes of the fermions, No evidence for these phenomena is found and new limits on their parameters are set. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：81 / 92

页数：12

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