A partial wave analysis of the centrally produced π+ π- system in pp interactions at 450 GeV/c

被引：56

作者：

Barberis, D ^{[1
]}

Beusch, W

Binon, FG

Blick, AM

Close, FE

Danielsen, KM

Dolgopolov, AV

Donskov, SV

Earl, BC

Evans, D

French, BR

Hino, T

Inaba, S

Inyakin, AV

Ishida, T

Jacholkowski, A

Jacobsen, T

Jones, GT

Khaustov, GV

Kinashi, T

Kinson, JB

Kirk, A

Klempt, W

Kolosov, V

Kondashov, AA

Lednev, AA

Lenti, V

Maljukov, S

Martinengo, P

Minashvili, I

Nakagawa, T

Norman, KL

Peigneux, JP

Polovnikov, SA

Polyakov, VA

Romanovsky, V

Rotscheidt, H

Rumyantsev, V

Russakovich, N

Samoylenko, VD

Semenov, A

Sené, M

Sené, R

Shagin, PM

Shimizu, H

Singovsky, AV

Sobol, A

Solovjev, A

Stassinaki, M

Stroot, JP

机构：

[1] CERN, European Org Nucl Res, CH-1211 Geneva, Switzerland

[2] IN2P3, LAPP, Annecy, France

[3] Univ Athens, Dept Phys, Athens, Greece

[4] Univ Birmingham, Sch Phys & Astron, Birmingham, W Midlands, England

[5] IHEP, Protvino, Russia

[6] Joint Inst Nucl Res Dubna, Dubna, Russia

[7] KEK, High Energy Accelerator Res Org, Tsukuba, Ibaraki 305, Japan

[8] Miyazaki Univ, Fac Engn, Miyazaki 88921, Japan

[9] Univ Oslo, Oslo, Norway

[10] Tohoku Univ, Fac Sci, Aoba Ku, Sendai, Miyagi 980, Japan

[11] Yamagata Univ, Fac Sci, Yamagata 990, Japan

来源：

PHYSICS LETTERS B | 1999年 / 453卷 / 3-4期

基金：

俄罗斯基础研究基金会;

关键词：

D O I：

10.1016/S0370-2693(99)00366-4

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A partial wave analysis of the centrally produced pi(+)pi(-) channel has been performed in pp collisions using an incident beam momentum of 450 GeV/c. An unambiguous physical solution has been found. Evidence is found for the f(0)(980), f(0)(1300), f(0)(1500) and f(J)(1710) with J = 0 in the S-wave. The rho(770) is observed dominantly in the P-0(-)-wave and the f(2)(1270) is observed dominantly in the D-0(-)-wave. In addition, there is evidence for a broad enhancement in the D-wave below 1 GeV. (C) 1999 Published by Elsevier Science B.V. All rights reserved.

引用

页码：316 / 324

页数：9

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