Hard-photon production at root s=161 and 172 GeV at LEP

被引：14

作者：

Acciarri, M

Adriani, O

AguilarBenitez, 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

Barcyzk, 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 H, 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] IN2P3, LAPP, LAB ANNECY LE VIEUX PHYS PARTICULES, CNRS, 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 BERLIN, D-10099 BERLIN, GERMANY

[12] UNIV BOLOGNA, I-40126 BOLOGNA, ITALY

[13] IST NAZL FIS NUCL, 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 02215 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, I-50125 FLORENCE, ITALY

[23] UNIV FLORENCE, I-50125 FLORENCE, ITALY

[24] CERN, EUROPEAN LAB PARTICLE PHYS, CH-1211 GENEVA 23, SWITZERLAND

[25] WORLD LAB, FBLJA PROJECT, CH-1211 GENEVA 23, SWITZERLAND

[26] UNIV GENEVA, CH-1211 GENEVA 4, SWITZERLAND

[27] UNIV SCI & TECHNOL CHINA, 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] IST NAZL FIS NUCL, 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, IN2P3, INST PHYS NUCL LYON, CNRS, F-69622 VILLEURBANNE, FRANCE

[34] CIEMAT, E-28040 MADRID, SPAIN

[35] INST THEORET & EXPT PHYS, MOSCOW 117259, RUSSIA

[36] IST NAZL FIS NUCL, I-80125 NAPLES, ITALY

[37] UNIV NAPLES, I-80125 NAPLES, ITALY

[38] UNIV CYPRUS, DEPT NAT SCI, NICOSIA, CYPRUS

[39] CATHOLIC UNIV NIJMEGEN, NL-6525 ED NIJMEGEN, NETHERLANDS

[40] NATL INST NUCL PHYS & HIGH ENERGY PHYS, NL-6525 ED NIJMEGEN, NETHERLANDS

[41] OAK RIDGE NATL LAB, OAK RIDGE, TN 37831 USA

[42] CALTECH, PASADENA, CA 91125 USA

[43] IST NAZL FIS NUCL, I-06100 PERUGIA, ITALY

[44] UNIV PERUGIA, I-06100 PERUGIA, ITALY

[45] CARNEGIE MELLON UNIV, PITTSBURGH, PA 15213 USA

[46] PRINCETON UNIV, PRINCETON, NJ 08544 USA

[47] IST NAZL FIS NUCL, I-00185 ROME, ITALY

[48] UNIV ROMA LA SAPIENZA, I-00185 ROME, ITALY

[49] RUSSIAN ACAD SCI, INST NUCL PHYS, ST PETERSBURG, RUSSIA

[50] UNIV SALERNO, I-84100 SALERNO, ITALY

来源：

PHYSICS LETTERS B | 1997年 / 413卷 / 1-2期

基金：

匈牙利科学研究基金会; 中国国家自然科学基金;

关键词：

D O I：

10.1016/S0370-2693(97)01081-2

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We have studied the process e(+)e(-)-->n gamma (n greater than or equal to 2) at centre-of-mass energies of 161.3 GeV and 172.1 GeV. The analysis is based on a sample of events collected by the L3 detector in 1996 corresponding to total integrated luminosities of 10.7 pb(-1) and 10.1 pb(-1) respectively. The observed rates of events with two and more photons and the characteristic distributions are in good agreement with the Standard Model expectations. This is used to set lower limits on contact interaction energy scale parameters, on the QED cut-off parameters and on the mass of excited electrons. (C) 1997 Elsevier Science B.V.

引用

页码：159 / 166

页数：8

共 50 条

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Acciarri, M
Adriani, O
AguilarBenitez, 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
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
[J]. PHYSICS LETTERS B, 1997, 407 (3-4) : 361 - 376
[2] Hard-photon production and tests of QED at LEP
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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
Baksay, L
Balandras, A
Ball, RC
Banerjee, S
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Bartalini, P
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Battiston, R
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Angelescu, T
Anselmo, F
Arefiev, A
Azemoon, T
Aziz, T
Bagnaia, P
Baksay, L
Banerjee, S
Banerjee, S
Banicz, K
Barczyk, A
Barillere, R
Barone, L
Bartalini, P
Baschirotto, A
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Battiston, R
Bay, A
Becattini, F
Becker, U
Behner, F
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Bhattacharya, S
Biasini, M
Biland, A
Bilei, GM
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Allaby, J
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Alverson, G
Alviggi, MG
Ambrosi, G
Anderhub, H
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Arefiev, A
Azemoon, T
Aziz, T
Bagnaia, P
Baksay, L
Banerjee, S
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Barczyk, A
Barillere, R
Barone, L
Bartalini, P
Baschirotto, A
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Behner, F
Berdugo, J
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Biland, A
Bilei, GM
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