Measurement of the Ω0c lifetime

被引：8
|
作者：
Link, JM [1 ]
Reyes, M
Yager, PM
Anjos, JC
Bediaga, I
Göbel, C
Magnin, J
Massafferri, A
de Miranda, JM
Pepe, IM
dos Reis, AC
Carrillo, S
Casimiro, E
Cuautle, E
Sánchez-Hernández, A
Uribe, C
Vázquez, F
Agostino, L
Cinquini, L
Cumalat, JP
O'Reilly, B
Ramirez, JE
Segoni, I
Wahl, M
Butler, JN
Cheung, HWK
Chiodini, G
Gaines, I
Garbincius, PH
Garren, LA
Gottschalk, E
Kasper, PH
Kreymer, AE
Kutschke, R
Benussi, L
Bianco, S
Fabbri, FL
Zallo, A
Cawlfield, C
Kim, DY
Rahimi, A
Wiss, J
Gardner, R
Kryemadhi, A
Chang, CH
Chung, YS
Kang, JS
Ko, BR
Kwak, JW
Lee, KB
机构：
[1] Univ Calif Davis, Davis, CA 95616 USA
[2] Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, Brazil
[3] CINVESTAV, Mexico City 07000, DF, Mexico
[4] Univ Colorado, Boulder, CO 80309 USA
[5] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA
[6] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy
[7] Univ Illinois, Urbana, IL 61801 USA
[8] Indiana Univ, Bloomington, IN 47405 USA
[9] Korea Univ, Seoul 136701, South Korea
[10] Kyungpook Natl Univ, Taegu 702701, South Korea
[11] Ist Nazl Fis Nucl, I-20133 Milan, Italy
[12] Univ Milan, Milan, Italy
[13] Univ N Carolina, Asheville, NC 28804 USA
[14] Dipartimento Fis Teorica & Nucl, Pavia, Italy
[15] Ist Nazl Fis Nucl, Pavia, Italy
[16] Univ Puerto Rico, Mayaguez, PR 00681 USA
[17] Univ S Carolina, Columbia, SC 29208 USA
[18] Univ Tennessee, Knoxville, TN 37996 USA
[19] Vanderbilt Univ, Nashville, TN 37235 USA
[20] Univ Wisconsin, Madison, WI 53706 USA
来源：
PHYSICS LETTERS B | 2003年 / 561卷 / 1-2期
关键词：
D O I：
10.1016/S0370-2693(03)00388-5
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The FOCUS experiment (FNAL-E831) has used two channels, Omega(-)pi(+) and Theta(-)K(-)pi(+)pi(+), to measure the lifetime of the Omega(c)(0) charmed baryon. From a sample of 64 +/- 14 signal events at a mass of 2.698 GeV/c(2), we measure an Omega(c)(0) lifetime of 72 +/- 11 (stat.) +/- 11 (sys.) fs, substantially improving upon the current world average. (C) 2003 Published by Elsevier Science B.V.
引用
收藏
页码：41 / 48
页数：8
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