Ratio of jet cross sections at √s=630 GeV and 1800 GeV

被引：15

作者：

Abbott, B ^{[1
]}

Abolins, M

Abramov, V

Acharya, BS

Adams, DL

Adams, M

Alves, GA

Amos, N

Anderson, EW

Baarmand, MM

Babintsev, VV

Babukhadia, L

Baden, A

Baldin, B

Balm, PW

Banerjee, S

Bantly, J

Barberis, E

Baringer, P

Bartlett, JF

Bassler, U

Bean, A

Begel, M

Belyaev, A

Beri, SB

Bernardi, G

Bertram, I

Besson, A

Bezzubov, VA

Bhat, PC

Bhatnagar, V

Bhattacharjee, M

Blazey, G

Blessing, S

Boehnlein, A

Bojko, NI

Borcherding, F

Brandt, A

Breedon, R

Briskin, G

Brock, R

Brooijmans, G

Bross, A

Buchholz, D

Buehler, M

Buescher, V

Burtovoi, VS

Butler, JM

Canelli, F

Carvalho, W

机构：

[1] Univ Buenos Aires, Buenos Aires, DF, Argentina

[2] Ctr Brasileiro Pesquisas Fis, LAFEX, Rio De Janeiro, Brazil

[3] Univ Estado Rio de Janeiro, Rio De Janeiro, Brazil

[4] Inst High Energy Phys, Beijing 100039, Peoples R China

[5] Univ Los Andes, Bogota, Colombia

[6] Charles Univ, Prague, Czech Republic

[7] Acad Sci, Inst Phys, Prague, Czech Republic

[8] Univ San Francisco, Quito, Ecuador

[9] Univ Grenoble 1, CNRS, IN2P3, Inst Sci Nucl, Grenoble, France

[10] Univ Mediterranee, CNRS, IN2P3, CPPM, Marseille, France

[11] Univ Paris 06, CNRS, LPNHE, IN2P3, Paris, France

[12] Univ Paris 07, CNRS, LPNHE, IN2P3, Paris, France

[13] CEA, DAPNIA, Serv Phys Particules, Saclay, France

[14] Panjab Univ, Chandigarh 160014, India

[15] Univ Delhi, Delhi 110007, India

[16] Tata Inst Fundamental Res, Mumbai, India

[17] Seoul Natl Univ, Seoul, South Korea

[18] CINVESTAV, Mexico City 14000, DF, Mexico

[19] FOM, Inst NIKHEF, NL-1098 SJ Amsterdam, Netherlands

[20] Univ Amsterdam, NIKHEF, Amsterdam, Netherlands

[21] Univ Nijmegen, NIKHEF, Nijmegen, Netherlands

[22] Inst Nucl Phys, Krakow, Poland

[23] Inst Theoret & Expt Phys, Moscow, Russia

[24] Moscow State Univ, Moscow, Russia

[25] Inst High Energy Phys, Protvino, Russia

[26] Univ Lancaster, Lancaster, England

[27] Univ Arizona, Tucson, AZ 85721 USA

[28] Univ Calif Berkeley, Berkeley, CA 94720 USA

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

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

[31] Calif State Univ Fresno, Fresno, CA 93740 USA

[32] Univ Calif Irvine, Irvine, CA 92697 USA

[33] Univ Calif Riverside, Riverside, CA 92521 USA

[34] Florida State Univ, Tallahassee, FL 32306 USA

[35] Univ Hawaii, Honolulu, HI 96822 USA

[36] Fermi Natl Accelerator Lab, Batavia, IL 60510 USA

[37] Univ Illinois, Chicago, IL 60607 USA

[38] No Illinois Univ, De Kalb, IL 60115 USA

[39] Northwestern Univ, Evanston, IL 60208 USA

[40] Indiana Univ, Bloomington, IN 47405 USA

[41] Univ Notre Dame, Notre Dame, IN 46556 USA

[42] Iowa State Univ, Ames, IA 50011 USA

[43] Univ Kansas, Lawrence, KS 66045 USA

[44] Kansas State Univ, Manhattan, KS 66506 USA

[45] Louisiana Tech Univ, Ruston, LA 71272 USA

[46] Univ Maryland, College Pk, MD 20742 USA

[47] Boston Univ, Boston, MA 02215 USA

[48] Northeastern Univ, Boston, MA 02115 USA

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

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

来源：

PHYSICAL REVIEW LETTERS | 2001年 / 86卷 / 12期

关键词：

D O I：

10.1103/PhysRevLett.86.2523

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The DO Collaboration has measured the inclusive jet cross section in (p) over barp collisions at roots = 630 GeV. The results for pseudorapidities \ eta \ < 0.5 are combined with our previous results at roots = 1800 GeV to form a ratio of cross sections with smaller uncertainties than either individual measurement. Next-to-leading-order QCD predictions show excellent agreement with the measurement at 630 GeV; agreement is also satisfactory for the ratio. Specifically, despite a 10% to 15% difference in the absolute magnitude, the dependence of the ratio on jet transverse momentum is very similar for data and theory.

引用

页码：2523 / 2528

页数：6

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