Measurement of the associated γ+μ± production cross section in p(p)over-bar collisions at √s=1.8 TeV -: art. no. 092003

被引：0

作者：

Abe, F ^{[1
]}

Albrow, MG

Amendolia, SR

Amidei, D

Antos, J

Anway-Wiese, C

Apollinari, G

Areti, H

Atac, M

Auchincloss, P

Azfar, F

Azzi, P

Bacchetta, N

Badgett, W

Bailey, MW

Bao, J

de Barbaro, P

Barbaro-Galtieri, A

Barnes, VE

Barnett, BA

Bartalini, P

Bauer, G

Baumann, T

Bedeschi, F

Behrends, S

Belforte, S

Bellettin, G

Bellinger, J

Benjamin, D

Benlloch, J

Bensinger, J

Benton, D

Beretvas, A

Berge, JP

Bertolucci, S

Bhatti, A

Biery, K

Binkley, M

Bird, F

Bisello, D

Blair, RE

Blocker, C

Bodek, A

Bokhari, W

Bolognesi, V

Bortoletto, D

Boswell, C

Boulos, T

Brandenburg, G

Bromberg, C

机构：

[1] KEK, Natl Lab High Energy Phys, Tsukuba, Ibaraki 305, Japan

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

[3] Univ Bologna, Ist Nazl Fis Nucl, I-40126 Bologna, Italy

[4] Brandeis Univ, Waltham, MA 02254 USA

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

[6] Univ Chicago, Chicago, IL 60637 USA

[7] Duke Univ, Dept Geol, Durham, NC 27708 USA

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

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

[10] Harvard Univ, Cambridge, MA 02138 USA

[11] Univ Illinois, Urbana, IL 61801 USA

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

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

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

[15] Lawrence Berkeley Lab, Berkeley, CA 94720 USA

[16] MIT, Cambridge, MA 02139 USA

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

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

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

[20] Osaka City Univ, Osaka 588, Japan

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

[22] Univ Penn, Philadelphia, PA 19104 USA

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

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

[25] Univ Pittsburgh, Pittsburgh, PA 15260 USA

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

[27] Univ Rochester, Rochester, NY 14627 USA

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

[29] Rutgers State Univ, Piscataway, NJ 08854 USA

[30] Acad Sinica, Taipei 11529, Taiwan

[31] Superconducting Super Collider Lab, Dallas, TX 75237 USA

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

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

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

[35] Tufts Univ, Medford, MA 02155 USA

[36] Univ Wisconsin, Madison, WI 53706 USA

[37] Yale Univ, New Haven, CT 06511 USA

来源：

PHYSICAL REVIEW D | 1999年 / 60卷 / 09期

关键词：

D O I：

暂无

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present the first measurement of associated direct photon+muon production in hadronic collisions, from a sample of 1.8 TeV <p(p)over bar> collisions recorded with the Collider Detector at Fermilab. Quantum chromodynamics (QCD) predicts that these events are primarily from the Compton scattering process cg-->c gamma, with the final state charm quark producing a muon. Hence this measurement is sensitive to the charm quark content of the proton. The measured cross section of 29+/-9 pb is compared to a leading-order QCD parton shower model as well as a next-to-leading-order QCD calculation. [S0556-2821(99)07121-0].

引用

页数：5

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Bartlett, JF
Bassler, U
Bauer, D
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