Tests of enhanced leading order QCD in W boson plus jets events from 1.8 TeV (p)over-barp collisions -: art. no. 072003

被引:5
作者
Affolder, T [1 ]
Akimoto, H
Akopian, A
Albrow, MG
Amaral, P
Amendolia, SR
Amidei, D
Anikeev, K
Antos, J
Apollinari, G
Arisawa, T
Asakawa, T
Ashmanskas, W
Azfar, F
Azzi-Bacchetta, P
Bacchetta, N
Bailey, MW
Bailey, S
de Barbaro, P
Barbaro-Galtieri, A
Barnes, VE
Barnett, BA
Barone, M
Bauer, G
Bedeschi, F
Belforte, S
Bell, WH
Bellettini, G
Bellinger, J
Benjamin, D
Bensinger, J
Beretvas, A
Berge, JP
Berryhill, J
Bevensee, B
Bhatti, A
Binkley, M
Bisello, D
Bishai, M
Blair, RE
Blocker, C
Bloom, K
Blumenfeld, B
Blusk, SR
Bocci, A
Bodek, A
Bokhari, W
Bolla, G
Bonushkin, Y
Bortoletto, D
机构
[1] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 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 Los Angeles, Los Angeles, CA 90024 USA
[7] Univ Cantabria, CSIC, Inst Fis Cantabria, E-39005 Santander, Spain
[8] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA
[9] Joint Nucl Res Inst, RU-141980 Dubna, Russia
[10] Duke Univ, Durham, NC 27708 USA
[11] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA
[12] Univ Florida, Gainesville, FL 32611 USA
[13] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy
[14] Univ Geneva, CH-1211 Geneva 4, Switzerland
[15] Univ Glasgow, Glasgow G12 8QQ, Lanark, Scotland
[16] Harvard Univ, Cambridge, MA 02138 USA
[17] Hiroshima Univ, Higashihiroshima 724, Japan
[18] Univ Illinois, Urbana, IL 61801 USA
[19] Johns Hopkins Univ, Baltimore, MD 21218 USA
[20] Univ Karlsruhe, Inst Expt Kernphys, D-76128 Karlsruhe, Germany
[21] Kyungpook Natl Univ, Korean Hadron Collider Lab, Taegu 702701, South Korea
[22] Seoul Natl Univ, Seoul 151742, South Korea
[23] Sungkyunkwan Univ, Suwon 440746, South Korea
[24] High Energy Accelerator Res Org KEK, Tsukuba, Ibaraki 305, Japan
[25] MIT, Cambridge, MA 02139 USA
[26] McGill Univ, Inst Particle Phys, Montreal, PQ H3A 2T8, Canada
[27] Univ Toronto, Toronto, ON M5S 1A7, Canada
[28] Univ Michigan, Ann Arbor, MI 48109 USA
[29] Michigan State Univ, E Lansing, MI 48824 USA
[30] Univ New Mexico, Albuquerque, NM 87131 USA
[31] Ohio State Univ, Columbus, OH 43210 USA
[32] Osaka City Univ, Osaka 588, Japan
[33] Univ Oxford, Oxford OX1 3RH, England
[34] Univ Padua, Ist Nazl Fis Nucl, Sez Padova, I-35131 Padua, Italy
[35] Univ Penn, Philadelphia, PA 19104 USA
[36] Univ Pisa, Ist Nazl Fis Nucl, I-56100 Pisa, Italy
[37] Scuola Normale Super Pisa, I-56100 Pisa, Italy
[38] Univ Pittsburgh, Pittsburgh, PA 15260 USA
[39] Purdue Univ, W Lafayette, IN 47907 USA
[40] Univ Rochester, Rochester, NY 14627 USA
[41] Rockefeller Univ, New York, NY 10021 USA
[42] Rutgers State Univ, Piscataway, NJ 08855 USA
[43] Texas A&M Univ, College Stn, TX 77843 USA
[44] Texas Tech Univ, Lubbock, TX 79409 USA
[45] Univ Trieste Udine, Ist Nazl Fis Nucl, Udine, Italy
[46] Univ Tsukuba, Tsukuba, Ibaraki 305, Japan
[47] Tufts Univ, Medford, MA 02155 USA
[48] Waseda Univ, Tokyo 169, Japan
[49] Univ Wisconsin, Madison, WI 53706 USA
[50] Yale Univ, New Haven, CT 06520 USA
关键词
D O I
10.1103/PhysRevD.63.072003
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We present a study of events with W bosons and hadronic jets produced in (p) over barp collisions at a center of mass energy of 1.8 TeV. The data consist of 51400 W-->e nu decay candidates from 108 pb(-1) of integrated luminosity collected using the CDF detector at the Fermilab Tevatron collider. Cross sections and jet production properties have been measured for W+greater than or equal to1 to greater than or equal to4 jet events. The data compare well to predictions of leading-order QCD matrix element calculations with added gluon radiation and simulated parton fragmentation.
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