First measurements of inclusive W and Z cross sections from Run II of the Fermilab Tevatron Collider -: art. no. 091803

被引：117

作者：

Acosta, D ^{[1
]}

Affolder, T

Akimoto, T

Albrow, MG

Ambrose, D

Amerio, S

Amidei, D

Anastassov, A

Anikeev, K

Annovi, A

Antos, J

Aoki, M

Apollinari, G

Arisawa, T

Arguin, JF

Artikov, A

Ashmanskas, W

Attal, A

Azfar, F

Azzi-Bacchetta, P

Bacchetta, N

Bachacou, H

Badgett, W

Barbaro-Galtieri, A

Barker, GJ

Barnes, VE

Barnett, BA

Baroiant, S

Barone, M

Bauer, G

Bedeschi, F

Behari, S

Belforte, S

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

Booth, PSL

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 Autonoma Barcelona, Inst Fis Altes Energies, E-08193 Bellaterra, Barcelona, Spain

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

[6] Brandeis Univ, Waltham, MA 02254 USA

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

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

[9] Univ Calif San Diego, La Jolla, CA 92093 USA

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

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

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

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

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

[15] Duke Univ, Durham, NC 27708 USA

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

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

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

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

[20] Harvard Univ, Cambridge, MA 02138 USA

[21] Univ Helsinki, Helsinki Inst Phys, Helsinki Grp, FIN-00044 Helsinki, Finland

[22] Univ Helsinki, Div High Energy Phys, Dept Phys Sci, FIN-00044 Helsinki, Finland

[23] Hiroshima Univ, Higashihiroshima 724, Japan

[24] Univ Illinois, Urbana, IL 61801 USA

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

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

[27] KEK, High Energy Accelerator Res Org, Tsukuba, Ibaraki 305, Japan

[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] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA

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

[33] UCL, London WC1E 6BT, England

[34] MIT, Cambridge, MA 02139 USA

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

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

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

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

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

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

[41] Northwestern Univ, Evanston, IL 60208 USA

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

[43] Okayama Univ, Okayama 7008530, Japan

[44] Osaka City Univ, Osaka 588, Japan

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

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

[47] Univ Penn, Philadelphia, PA 19104 USA

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

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

[50] Univ Pittsburgh, Pittsburgh, PA 15260 USA

来源：

PHYSICAL REVIEW LETTERS | 2005年 / 94卷 / 09期

关键词：

D O I：

10.1103/PhysRevLett.94.091803

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report the first measurements of inclusive W and Z cross sections times leptonic branching ratios for p (p) over bar collisions at root s=1.96 TeV, based on their decays to electrons and muons. The data correspond to an integrated luminosity of 72 pb(-1) recorded with the CDF detector at the Fermilab Tevatron. We test e-mu universality in W decays, and we measure the ratio of leptonic W and Z rates from which the leptonic branching fraction B(W -> l nu) can be extracted as well as an indirect value for the total width of the W and the Cabibbo-Kobayashi-Maskawa matrix element, vertical bar V(cs)vertical bar.

引用

页数：7

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