Study of anomalous ZZγ and Zγγ couplings at LEP

被引：26

作者：

Acciarri, M

Adriani, O

Aguilar-Benitez, M

Ahlen, S

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

Baksay, L

Banerjee, S

Banicz, K

Barczyk, A

Barillere, R

Barone, L

Bartalini, P

Baschirotto, A

Basile, M

Battiston, R

Bay, A

Becattini, F

Backer, 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

Bourquin, M

机构：

[1] Ist Nazl Fis Nucl, 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 H, 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] CNRS, IN2P3, LAPP, Lab Annecy Vieux Phys Particules, F-74941 Annecy Le Vieux, France

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

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

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

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

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

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

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

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

[16] Boston Univ, Boston, MA 02215 USA

[17] Northeastern Univ, Boston, MA 02115 USA

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

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

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

[21] MIT, Cambridge, MA 02139 USA

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

[23] Ist Nazl Fis Nucl, I-50125 Florence, Italy

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

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

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

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

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

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

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

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

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

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

[34] CIEMAT, E-28040 Madrid, Spain

[35] ITEP, Moscow, Russia

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

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

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

[39] Princeton Univ, Princeton, NJ 08544 USA

[40] Ist Nazl Fis Nucl, I-00185 Rome, Italy

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

[42] Russian Acad Sci, Inst Nucl Phys, St Petersburg, Russia

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

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

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

[46] Univ Santiago, Dept Fis Particulas Elementales, E-15706 Santiago, Spain

[47] Bulgarian Acad Sci, Cent Lab Mechatron & Instrumentat, BU-1113 Sofia, Bulgaria

[48] Korea Adv Inst Sci & Technol, Ctr High Energy Phys, Taejon 305701, South Korea

[49] Univ Alabama, University, AL 35486 USA

[50] NIKHEF H, NL-3584 CB Utrecht, Netherlands

来源：

PHYSICS LETTERS B | 1998年 / 436卷 / 1-2期

关键词：

D O I：

10.1016/S0370-2693(98)00883-1

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We search for anomalous ZZ gamma and Z gamma gamma couplings with the L3 detector at LEP, The analysis is based on the study of the process e(+) e(+) --> Z gamma at center-of-mass energies in the range 161 GeV < root s < 183 GeV. No evidence for anomalous effects is found. Limits at the 95% confidence level are set on the values of the eight possible anomalous couplings. Depending on the type of coupling new physics scales below 213 GeV to 1083 GeV are excluded. (C) 1998 Elsevier Science B.V. All rights reserved.

引用

页码：187 / 198

页数：12

共 32 条

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