Resonance formation in the pi(+) pi(-) pi(0) final state in two-photon collisions

被引：36

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

Ball, RC

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

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 MICHIGAN, ANN ARBOR, MI 48109 USA

[5] UNIV AMSTERDAM, NL-1009 DB AMSTERDAM, NETHERLANDS

[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] INST HIGH ENERGY PHYS, BEIJING 100039, PEOPLES R CHINA

[10] HUMBOLDT UNIV BERLIN, D-10099 BERLIN, GERMANY

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

[12] IST NAZL FIS NUCL, I-40126 BOLOGNA, ITALY

[13] TATA INST FUNDAMENTAL RES, BOMBAY 400005, MAHARASHTRA, INDIA

[14] BOSTON UNIV, BOSTON, MA 02215 USA

[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] HARVARD UNIV, CAMBRIDGE, MA 02139 USA

[20] MIT, CAMBRIDGE, MA 02139 USA

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

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

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

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

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

[26] UNIV SCI & TECHNOL CHINA, HEFEI 230029, ANHUI, PEOPLES R CHINA

[27] RES INST HIGH ENERGY PHYS, SEFT, SF-00014 HELSINKI, FINLAND

[28] UNIV LAUSANNE, CH-1015 LAUSANNE, SWITZERLAND

[29] IST NAZL FIS NUCL, I-73100 LECCE, ITALY

[30] UNIV LECCE, I-73100 LECCE, ITALY

[31] LOS ALAMOS NATL LAB, LOS ALAMOS, NM 87544 USA

[32] UNIV LYON 1, IN2P3, INST PHYS NUCL LYON, CNRS, F-69622 VILLEURBANNE, FRANCE

[33] CIEMAT, E-28040 MADRID, SPAIN

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

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

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

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

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

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

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

[41] CALTECH, PASADENA, CA 91125 USA

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

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

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

[45] PRINCETON UNIV, PRINCETON, NJ 08544 USA

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

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

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

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

[50] IST NAZL FIS NUCL, I-84100 SALERNO, ITALY

来源：

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

基金：

中国国家自然科学基金; 匈牙利科学研究基金会;

关键词：

D O I：

10.1016/S0370-2693(97)01091-5

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A study of resonance formation is presented in the pi(+)pi(-)pi(0) final state in two-photon collisions at LEP. The alpha(2)(1320) radiative width is measured to be Gamma(eta) = 0.98 +/- 0.05 +/- 0.09 keV. The helicity 2 production is dominant. Exclusive pi(+)pi(-)pi(0) production has also been studied in the mass region above the alpha(2) in the rho pi and f(2) pi channels. This region is dominated by a J(P) = 2(+) helicity 2 wave. (C) 1997 Elsevier Science B.V.

引用

页码：147 / 158

页数：12

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