Z玻色子的微分产生截面作为横动量的函数，在质心能量平方根为……时（注：原文“at sqrt.”表述不完整，缺少具体的质心能量平方根数值）

Differential production cross section of Z bosons as a function of transverse momentum at sqrt.

作者信息

Smith RP, Snihur R, Snow GR, Snow J, Snyder S, Solomon J, Song XF, Sosebee M, Sotnikova N, Souza M, Stanton NR, Steinbruck G, Stephens RW, Stevenson ML, Stichelbaut F, Stoker D, Stolin V, Stoyanova DA, Strauss M, Streets K, Strovink M, Sznajder A, Tamburello P, Tarazi J, Tartaglia M, Thomas TL

机构信息

New York University, New York, New York 10003, USA.

出版信息

Phys Rev Lett. 2000 Mar 27;84(13):2792-7. doi: 10.1103/PhysRevLett.84.2792.

DOI:10.1103/PhysRevLett.84.2792

PMID:11018944

Abstract

We present a measurement of the transverse momentum distribution of Z bosons produced in p&pmacr; collisions at sqrt[s] = 1.8 TeV from data collected by the DO experiment at the Fermilab Tevatron Collider. We find good agreement between our results and current resummation calculations, and also use our data to extract nonperturbative parameters for a particular version of the resummation formalism. The resulting values are significantly more precise than obtained in previous determinations.

摘要

我们展示了费米实验室万亿电子伏特加速器（Tevatron Collider）上的DO实验收集的数据中，对质心能量为√s = 1.8 TeV的质子-反质子对撞中产生的Z玻色子横向动量分布的测量结果。我们发现我们的结果与当前的重整化计算结果吻合良好，并且还用我们的数据为重整化形式理论的一个特定版本提取了非微扰参数。所得值比之前测定中得到的值精确得多。