Precision measurements of the Λc+ and D0 lifetimes

被引：35
|
作者：
Kushnirenko, A [1 ]
Alkhazov, G
Atamantchouk, AG
Balatz, MY
Bondar, NF
Cooper, PS
Dauwe, LJ
Davidenko, GV
Dersch, U
Dolgolenko, AG
Dzyubenko, GB
Edelstein, R
Emediato, L
Endler, AMF
Engelfried, J
Eschrich, I
Escobar, CO
Evdokimov, AV
Filimonov, IS
Garcia, FG
Gaspero, M
Giller, I
Golovtsov, VL
Gouffon, P
Gülmez, E
He, KL
Iori, M
Jun, SY
Kaya, M
Kilmer, J
Kim, VT
Kochenda, LM
Konorov, I
Kozhevnikov, AP
Krivshich, AG
Krüger, H
Kubantsev, MA
Kubarovsky, VP
Kulyavtsev, AI
Kuropatkin, NP
Kurshetsov, VE
Kwan, S
Lach, J
Lamberto, A
Landsberg, LG
Larin, I
Leikin, EM
Li, YS
Luksys, M
Lungov, T
机构：
[1] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA
[2] Ball State Univ, Muncie, IN 47306 USA
[3] Bogazici Univ, TR-80815 Bebek, Turkey
[4] Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, Brazil
[5] Fermilab, Batavia, IL 60510 USA
[6] Inst High Energy Phys, Protvino, Russia
[7] Inst High Energy Phys, Beijing 100039, Peoples R China
[8] Inst Theoret & Expt Phys, Moscow 117259, Russia
[9] Max Planck Inst Kernphys, D-69117 Heidelberg, Germany
[10] Moscow State Univ, Moscow, Russia
[11] Petersburg Nucl Phys Inst, St Petersburg, Russia
[12] Tel Aviv Univ, IL-69978 Ramat Aviv, Israel
[13] Univ Autonoma San Luis Potosi, San Luis Potosi, Mexico
[14] Univ Fed Paraiba, BR-58059900 Joao Pessoa, Paraiba, Brazil
[15] Univ Bristol, Bristol BS8 1TL, Avon, England
[16] Univ Iowa, Iowa City, IA 52242 USA
[17] Univ Michigan, Flint, MI 48502 USA
[18] Univ Rome La Sapienza, Rome, Italy
[19] Ist Nazl Fis Nucl, Rome, Italy
[20] Univ Sao Paulo, Sao Paulo, Brazil
[21] Univ Trieste, Trieste, Italy
[22] Ist Nazl Fis Nucl, Trieste, Italy
来源：
PHYSICAL REVIEW LETTERS | 2001年 / 86卷 / 23期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1103/PhysRevLett.86.5243
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We report new precision measurements of the lifetimes of the A(c)(+) and D-0 from SELEX, the charm hadroproduction experiment at Fermilab. Based upon 1630 A(c)(+) and 10210 D-0 decays we observe lifetimes of tau [A(c)(+)] = 198.1 +/- 7.0 +/- 5.6 fs and tau [D-0] = 407.9 +/- 6.0 +/- 4.3 fs.
引用
收藏
页码：5243 / 5246
页数：4
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