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

页码：5243 / 5246

页数：4

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