Measurements of F2 and xF3v-xF3v from CCPR vμ-Fe and (v)over-barμ-Fe data in a physics model-independent way

被引：105

作者：

Yang, UK ^{[1
]}

Adams, T

Alton, A

Arroyo, CG

Avvakumov, S

de Barbaro, L

de Barbaro, P

Bazarko, AO

Bernstein, RH

Bodek, A

Bolton, T

Brau, J

Buchholz, D

Budd, H

Bugel, L

Conrad, J

Drucker, RB

Fleming, BT

Formaggio, JA

Frey, R

Goldman, J

Goncharov, M

Harris, DA

Johnson, RA

Kim, JH

King, BJ

Kinnel, T

Koutsoliotas, S

Lamm, MJ

Marsh, W

Mason, D

McFarland, KS

McNulty, C

Mishra, SR

Naples, D

Nienaber, P

Romosan, A

Sakumoto, WK

Schellman, H

Sciulli, FJ

Seligman, WG

Shaevitz, MH

Smith, WH

Spentzouris, P

Stern, EG

Suwonjandee, N

Vaitaitis, A

Vakili, M

Yu, J

Zeller, GP

机构：

[1] Univ Cincinnati, Cincinnati, OH 45221 USA

[2] Columbia Univ, New York, NY 10027 USA

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

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

[5] Northwestern Univ, Evanston, IL 60208 USA

[6] Univ Oregon, Eugene, OR 97403 USA

[7] Univ Rochester, Rochester, NY 14627 USA

[8] Univ Wisconsin, Madison, WI 53706 USA

来源：

PHYSICAL REVIEW LETTERS | 2001年 / 86卷 / 13期

关键词：

D O I：

10.1103/PhysRevLett.86.2742

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report on the extraction of the structure functions F-2 and Delta xF(3) = xF(3)(upsilon) - xF(3)(<(<upsilon>)over bar>) from CCFR upsilon (mu)-Fe and <(<upsilon>)over bar>(mu)-Fe differential cross sections. The extraction is performed in a physics model-independent (PMI) way. This first measurement of Delta xF(3), which is useful in testing models of heavy charm production, is higher than current theoretical predictions. The ratio of the F-2 (PMI) values measured in upsilon (mu) and mu scattering is in agreement (within 5%) with the predictions of next-to-leading-order parton distribution functions using massive charm production schemes, thus resolving the long-standing discrepancy between the two sets of data.

引用

页码：2742 / 2745

页数：4

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