KS0 and Λ0 production studies in p(p)over-bar collisions at √s=1800 and 630 GeV -: art. no. 052001

被引：30

作者：

Acosta, D ^{[1
]}

Affolder, T

Albrow, MG

Ambrose, D

Amidei, D

Anikeev, K

Antos, J

Apollinari, G

Arisawa, T

Artikov, A

Ashmanskas, W

Azfar, F

Azzi-Bacchetta, P

Bacchetta, N

Bachacou, H

Badgett, W

Barbaro-Galtieri, A

Barnes, VE

Barnett, BA

Baroiant, S

Barone, M

Bauer, G

Bedeschi, F

Behari, S

Belforte, S

Bell, WH

Bellettini, G

Bellinger, J

Benjamin, D

Beretvas, A

Bhatti, A

Binkley, M

Bisello, D

Bishai, M

Blair, RE

Blocker, C

Bloom, K

Blumenfeld, B

Bocci, A

Bodek, A

Bolla, G

Bolshov, A

Bortoletto, D

Boudreau, J

Bromberg, C

Brubaker, E

Budagov, J

Budd, HS

Burkett, K

Busetto, G

机构：

[1] Univ Florida, Gainesville, FL 32611 USA

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

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

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

[5] Brandeis Univ, Waltham, MA 02254 USA

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

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

[8] Univ Calif Santa Barbara, Santa Barbara, CA 93106 USA

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

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

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

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

[13] Duke Univ, Durham, NC 27708 USA

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

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

[16] Univ Geneva, CH-1211 Geneva, Switzerland

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

[18] Harvard Univ, Cambridge, MA 02138 USA

[19] Hiroshima Univ, Higashihiroshima 724, Japan

[20] Univ Illinois, Urbana, IL 61801 USA

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

[22] Univ Karlsruhe, Inst Expt Kernphys, D-76128 Karlsruhe, Germany

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

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

[25] Sungkyunkwan Univ, Suwon 440746, South Korea

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

[27] UCL, London WC1E 6BT, England

[28] MIT, Cambridge, MA 02139 USA

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

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

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

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

[33] Northwestern Univ, Evanston, IL 60208 USA

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

[35] Osaka City Univ, Osaka 588, Japan

[36] Univ Oxford, Oxford OX1 3RH, England

[37] Univ Padua, Ist Nazl Fis Nucl, Sez Padova, I-35131 Padua, Italy

[38] Univ Penn, Philadelphia, PA 19104 USA

[39] Univ Pisa, Ist Nazl Fis Nucl, I-56100 Pisa, Italy

[40] Scuola Normale Super Pisa, I-56100 Pisa, Italy

[41] Univ Pittsburgh, Pittsburgh, PA 15260 USA

[42] Purdue Univ, W Lafayette, IN 47907 USA

[43] Univ Rochester, Rochester, NY 14627 USA

[44] Rockefeller Univ, New York, NY 10021 USA

[45] Univ Rome 1, Inst Nazl Fis Nucl, Sez Roma, I-00185 Rome, Italy

[46] Rutgers State Univ, Piscataway, NJ 08855 USA

[47] Texas A&M Univ, College Stn, TX 77843 USA

[48] Texas Tech Univ, Lubbock, TX 79409 USA

[49] Univ Toronto, Inst Particle Phys, Toronto, ON M5S 1A7, Canada

[50] Univ Trieste Udine, Ist Nazl Fis Nucl, Trieste, Italy

来源：

PHYSICAL REVIEW D | 2005年 / 72卷 / 05期

关键词：

D O I：

10.1103/PhysRevD.72.052001

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present a study of the production of K-S(0) and Lambda(0) in inelastic p (p) over bar collisions at root s=1800 and 630 GeV using data collected by the CDF experiment at the Fermilab Tevatron. Analyses of K-S(0) and Lambda(0) multiplicity and transverse momentum distributions, as well as of the dependencies of the average number and < p(T)> of K-S(0) and Lambda(0) on charged particle multiplicity, are reported. Systematic comparisons are performed for the full sample of inelastic collisions, and for the low and high momentum transfer subsamples, at the two energies. The p(T) distributions extend above 8 GeV/c, showing a < p(T)> higher than previous measurements. The dependence of the mean K-S(0)(Lambda(0)) p(T) on the charged particle multiplicity for the three samples shows a behavior analogous to that of charged primary tracks.

引用

页数：17

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