Transverse momentum and total cross section of e+e- pairs in the Z-boson region from p(p)over-bar collisions at √s=1.8 TeV

被引：139

作者：

Affolder, T ^{[1
]}

Akimoto, H

Akopian, A

Albrow, MG

Amaral, P

Amendolia, SR

Amidei, D

Antos, J

Apollinari, G

Arisawa, T

Asakawa, T

Ashmanskas, W

Atac, M

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

Bellettini, G

Bellinger, J

Benjamin, D

Bensinger, J

Beretvas, A

Berge, JP

Berryhill, J

Bertolucci, S

Bevensee, B

Bhatti, A

Bigongiari, C

Binkley, M

Bisello, D

Blair, RE

Blocker, C

Bloom, K

Blusk, S

Bocci, A

Bodek, A

Bokhari, W

Bolla, G

Bonushkin, Y

Bortoletto, D

Boudreau, J

Brandl, A

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, Inst Fis Cantabria, Santander 39005, 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] Harvard Univ, Cambridge, MA 02138 USA

[16] Hiroshima Univ, Higashihiroshima 724, Japan

[17] Univ Illinois, Urbana, IL 61801 USA

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

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

[20] Kyungpook Natl Univ, Korean Hadron Collider Lab, Taegu 702701, South Korea

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

[22] Sungkyunkwan Univ, Suwon 440746, South Korea

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

[24] MIT, Cambridge, MA 02139 USA

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

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

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

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

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

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

[31] Osaka City Univ, Osaka 588, Japan

[32] Univ Padua, Ist Nazl Fis Nucl, Sezione Padova, I-35131 Padua, Italy

[33] Univ Penn, Philadelphia, PA 19104 USA

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

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

[36] Univ Pittsburgh, Pittsburgh, PA 15260 USA

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

[38] Univ Rochester, Rochester, NY 14627 USA

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

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

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

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

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

[44] Univ Tsukuba, Tsukuba, Ibaraki 305, Japan

[45] Tufts Univ, Medford, MA 02155 USA

[46] Waseda Univ, Tokyo 169, Japan

[47] Univ Wisconsin, Madison, WI 53706 USA

[48] Yale Univ, New Haven, CT 06520 USA

来源：

PHYSICAL REVIEW LETTERS | 2000年 / 84卷 / 05期

关键词：

D O I：

10.1103/PhysRevLett.84.845

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The transverse momentum and total cross section of e(+)e(-) pairs in the Z-boson region of 66 < M-ee < 116 GeV/c(2) from p (p) over bar collisions at root s = 1.8 TeV are measured using 110 pb(-1) of collisions taken by the Collider Detector at Fermilab during 1992-1995. The total cross section is measured to be 248 +/- 11 pb. The differential transverse momentum cross section is compared with calculations that match quantum chromodynamics perturbation theory at high transverse momentum with the gluon resummation formalism at low transverse momentum.

引用

页码：845 / 850

页数：6

共 26 条

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