Study of the process e+e- → ωπ0 → π0π0γ in c.m. energy range 920-1380 MeV at CMD-2

被引：66

作者：

Akhmetshin, RR ^{[1
]}

Aulchenko, VM

Banzarov, VS

Baratt, A

Barkov, LM

Baru, SE

Bashtovoy, NS

Bondar, AE

Bondarev, DV

Bragin, AV

Eidelman, SI

Epifanov, DA

Fedotovitch, GV

Gabyshev, NI

Gorbachev, DA

Grebeniuk, AA

Grigoriev, DN

Hughes, VW

Ignatov, FV

Karpov, SV

Kazanin, VF

Khazin, BI

Koop, IA

Krokovny, PP

Kuzmin, AS

Logashenko, IB

Lukin, PA

Lysenko, AP

Mikhailov, KY

Milstein, AI

Nesterenko, IN

Okhapkin, VS

Otboev, AV

Pak, AV

Perevedentsev, EA

Polunin, AA

Popov, AS

Redin, SI

Roberts, BL

Root, NI

Ruban, AA

Ryskulov, NM

Shamov, AG

Shatunov, YM

Shwartz, BA

Sibidanov, AL

Sidorov, VA

Skrinsky, AN

Snopkov, IG

Solodov, EP

机构：

[1] Budker Inst Nucl Phys, Novosibirsk 630090, Russia

[2] Boston Univ, Boston, MA 02215 USA

[3] Novosibirsk State Univ, Novosibirsk 630090, Russia

[4] Univ Pittsburgh, Pittsburgh, PA 15260 USA

[5] Yale Univ, New Haven, CT 06511 USA

来源：

PHYSICS LETTERS B | 2003年 / 562卷 / 3-4期

基金：

美国国家科学基金会; 俄罗斯基础研究基金会;

关键词：

D O I：

10.1016/S0370-2693(03)00595-1

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The cross section of the process e(+)e(-) --> omegapi(0) --> pi(0)pi(0)gamma has been measured in the c.m. energy range 920-1380 MeV with the CMD-2 detector. Its energy dependence is well described by the interference of the rho(770) and rho(1450) mesons decaying to omegapi(0). Upper limits for the cross sections of the direct processes e(+)e(-) --> pi(0)pi(0)gamma,etapi(0)gamma have been set. (C) 2003 Elsevier Science B.V. All rights reserved.

引用

页码：173 / 181

页数：9

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