Measurements of the properties of Λc(2595), Λc(2625), Σc(2455), and Σc(2520) baryons

被引：58

作者：

Aaltonen, T. ^{[1
,2
]}

Alvarez Gonzalez, B. ^{[12
]}

Amerio, S. ^{[52
]}

Amidei, D. ^{[43
]}

Anastassov, A. ^{[47
]}

Annovi, A. ^{[21
]}

Antos, J. ^{[15
,16
]}

Apollinari, G. ^{[19
]}

Appel, J. A. ^{[19
]}

Apresyan, A. ^{[61
]}

Arisawa, T. ^{[73
]}

Artikov, A. ^{[17
]}

Asaadi, J. ^{[67
]}

Ashmanskas, W. ^{[19
]}

Auerbach, B. ^{[76
]}

Aurisano, A. ^{[67
]}

Azfar, F. ^{[51
]}

Badgett, W. ^{[19
]}

Barbaro-Galtieri, A. ^{[34
]}

Barnes, V. E. ^{[61
]}

Barnett, B. A. ^{[26
]}

Barria, P. ^{[56
,58
]}

Bartos, P. ^{[15
,16
]}

Bauce, M. ^{[52
,53
]}

Bauer, G. ^{[38
]}

Bedeschi, F. ^{[56
]}

Beecher, D. ^{[36
]}

Behari, S. ^{[26
]}

Bellettini, G. ^{[56
,57
]}

Bellinger, J. ^{[75
]}

Benjamin, D. ^{[18
]}

Beretvas, A. ^{[19
]}

Bhatti, A. ^{[63
]}

Binkley, M. ^{[19
]}

Bisello, D. ^{[52
,53
]}

Bizjak, I. ^{[36
]}

Bland, K. R. ^{[7
]}

Blumenfeld, B. ^{[26
]}

Bocci, A. ^{[18
]}

Bodek, A. ^{[62
]}

Bortoletto, D. ^{[61
]}

Boudreau, J. ^{[60
]}

Boveia, A. ^{[14
]}

Brau, B. ^{[19
]}

Brigliadori, L. ^{[8
,9
]}

Brisuda, A. ^{[15
,16
]}

Bromberg, C. ^{[44
]}

Brucken, E. ^{[1
,2
]}

Bucciantonio, M. ^{[56
,57
]}

Budagov, J. ^{[17
]}

机构：

[1] Univ Helsinki, Dept Phys, Div High Energy Phys, FIN-00014 Helsinki, Finland

[2] Helsinki Inst Phys, FIN-00014 Helsinki, Finland

[3] Acad Sinica, Inst Phys, Taipei 11529, Taiwan

[4] Argonne Natl Lab, Argonne, IL 60439 USA

[5] Univ Athens, GR-15771 Athens, Greece

[6] Univ Autonoma Barcelona, ICREA, Inst Fis Altes Energies, E-08193 Bellaterra, Barcelona, Spain

[7] Baylor Univ, Waco, TX 76798 USA

[8] Ist Nazl Fis Nucl Bologna, I-40127 Bologna, Italy

[9] Univ Bologna, I-40127 Bologna, Italy

[10] Univ Calif Davis, Davis, CA 95616 USA

[11] Univ Calif Los Angeles, Los Angeles, CA 90024 USA

[12] Univ Cantabria, CSIC, Inst Fis Cantabria, E-39005 Santander, Spain

[13] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA

[14] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA

[15] Inst Expt Phys, Kosice 04001, Slovakia

[16] Comenius Univ, Bratislava 84248, Slovakia

[17] Joint Inst Nucl Res, RU-141980 Dubna, Russia

[18] Duke Univ, Durham, NC 27708 USA

[19] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA

[20] Univ Florida, Gainesville, FL 32611 USA

[21] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy

[22] Univ Geneva, CH-1211 Geneva 4, Switzerland

[23] Univ Glasgow, Glasgow G12 8QQ, Lanark, Scotland

[24] Harvard Univ, Cambridge, MA 02138 USA

[25] Univ Illinois, Urbana, IL 61801 USA

[26] Johns Hopkins Univ, Baltimore, MD 21218 USA

[27] Karlsruhe Inst Technol, Inst Expt Kernphys, D-76131 Karlsruhe, Germany

[28] Kyungpook Natl Univ, Ctr High Energy Phys, Taegu 702701, South Korea

[29] Seoul Natl Univ, Seoul 151742, South Korea

[30] Sungkyunkwan Univ, Suwon 440746, South Korea

[31] Korea Inst Sci & Technol Informat, Taejon 305806, South Korea

[32] Chonnam Natl Univ, Kwangju 500757, South Korea

[33] Chonbuk Natl Univ, Jeonju 561756, South Korea

[34] Ernest Orlando Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA

[35] Univ Liverpool, Liverpool L69 7ZE, Merseyside, England

[36] UCL, London WC1E 6BT, England

[37] CIEMAT, E-28040 Madrid, Spain

[38] MIT, Cambridge, MA 02139 USA

[39] McGill Univ, Inst Particle Phys, Montreal, PQ H3A 2T8, Canada

[40] Simon Fraser Univ, Burnaby, BC V5A 1S6, Canada

[41] Univ Toronto, Toronto, ON M5S 1A7, Canada

[42] TRIUMF, Vancouver, BC V6T 2A3, Canada

[43] Univ Michigan, Ann Arbor, MI 48109 USA

[44] Michigan State Univ, E Lansing, MI 48824 USA

[45] Inst Theoret & Expt Phys, Moscow 117259, Russia

[46] Univ New Mexico, Albuquerque, NM 87131 USA

[47] Northwestern Univ, Evanston, IL 60208 USA

[48] Ohio State Univ, Columbus, OH 43210 USA

[49] Okayama Univ, Okayama 7008530, Japan

[50] Osaka City Univ, Osaka 588, Japan

来源：

PHYSICAL REVIEW D | 2011年 / 84卷 / 01期

基金：

加拿大自然科学与工程研究理事会; 美国国家科学基金会; 芬兰科学院; 俄罗斯基础研究基金会; 英国科学技术设施理事会; 新加坡国家研究基金会; 瑞士国家科学基金会; 澳大利亚研究理事会;

关键词：

HEAVY BARYONS; CHARMED BARYONS; QUARK-MODEL; SIGMA(0)(C); DECAYS; MASSES;

D O I：

10.1103/PhysRevD.84.012003

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We report measurements of the resonance properties of Lambda(c)(2595)(+) and Lambda(c)(2625)(+) baryons in their decays to Lambda(+)(c) pi(+) pi(-) as well as Sigma(c)(2455)(++,0) and Sigma(c)(2520)(++,0) baryons in their decays to Lambda(+)(c) pi(+/-) final states. These measurements are performed using data corresponding to 5.2 fb(-1) of integrated luminosity from p (p) over bar collisions at root s = 1.96 TeV, collected with the CDF II detector at the Fermilab Tevatron. Exploiting the largest available charmed baryon sample, we measure masses and decay widths with uncertainties comparable to the world averages for Sigma(c) states, and significantly smaller uncertainties than the world averages for excited Lambda(+)(c) states.

引用

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