New precision measurement of the J/ψ- and ψ′-meson masses

被引：67

作者：

Aulchenko, VM ^{[1
]}

Balashov, SA ^{[1
]}

Baldin, EM ^{[1
]}

Yu, M ^{[1
]}

Barnyakov, MY ^{[1
]}

Baru, SE ^{[1
]}

Bedny, IV ^{[1
]}

Beloborodova, OL ^{[1
]}

Blinov, AE ^{[1
]}

Blinov, VE ^{[1
]}

Bogomyagkov, AV ^{[1
]}

Bondar, AE ^{[1
]}

Bondarev, DV ^{[1
]}

Buzykaev, AR ^{[1
]}

Eidelman, SI ^{[1
]}

Groshev, VR ^{[1
]}

Karnaev, SE ^{[1
]}

Kiselev, VA ^{[1
]}

Kononov, SA ^{[1
]}

Kotov, KA ^{[1
]}

Kravchenko, EA ^{[1
]}

Kremyanskaya, EV ^{[1
]}

Levichev, EB ^{[1
]}

Malyshev, VM ^{[1
]}

Maslennikov, AL ^{[1
]}

Meshkov, OI ^{[1
]}

Mishnev, SE ^{[1
]}

Yu, N ^{[1
]}

Muchnoi, NY ^{[1
]}

Naumenkov, AI ^{[1
]}

Nikitin, SA ^{[1
]}

Nikolaev, IB ^{[1
]}

Onuchin, AP ^{[1
]}

Oreshkin, SB ^{[1
]}

Pakhotin, YA ^{[1
]}

Peleganchuk, SV ^{[1
]}

Petrosyan, SS ^{[1
]}

Petrov, VV ^{[1
]}

Poluektov, AO ^{[1
]}

Polunin, AA ^{[1
]}

Pospelov, GE ^{[1
]}

Protopopov, IY ^{[1
]}

Savinov, GA ^{[1
]}

Shamov, AG ^{[1
]}

Shatilov, DN ^{[1
]}

Shusharo, AI ^{[1
]}

Shwartz, BA ^{[1
]}

Sidorov, VA ^{[1
]}

Simonov, EA ^{[1
]}

Skovpen, YI ^{[1
]}

机构：

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

来源：

PHYSICS LETTERS B | 2003年 / 573卷 / 1-4期

基金：

俄罗斯基础研究基金会;

关键词：

energy calibration; depolarization technique; mass measurement; J/psi-meson; psi '-meson;

D O I：

10.1016/j.physletb.2003.08.028

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A new high precision measurement of the J/psi and psi'-meson masses has been performed at the VEPP-4M collider using the KEDR detector. The resonant depolatization method has been employed for the absolute calibration of the beam energy. The following mass values have been obtained: M-J/psi = 3096.917 +/- 0.010 +/- 0.007 MeV, M-psi' = 3686.111 +/- 0.025 +/- 0.009 MeV. The relative measurement accuracy has reached 4 x 10(-6) for J/psi and 7 x 10(-6) for psi', approximately 3 times better than in the previous precise experiments. (C) 2003 Elsevier B.V. All rights reserved.

引用

页码：63 / 79

页数：17

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