Transverse-momentum resummation for gauge boson pair production at the hadron collider

被引：19
作者：
Wang, Yan [1 ,2 ]
Li, Chong Sheng [1 ,2 ,3 ]
Liu, Ze Long [1 ,2 ]
Shao, Ding Yu [1 ,2 ]
Li, Hai Tao [1 ,2 ]
机构：
[1] Peking Univ, Dept Phys, Beijing 100871, Peoples R China
[2] Peking Univ, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R China
[3] Peking Univ, Ctr High Energy Phys, Beijing 100871, Peoples R China
来源：
PHYSICAL REVIEW D | 2013年 / 88卷 / 11期
基金：
中国国家自然科学基金;
关键词：
PROTON-PROTON COLLISIONS; W(+/-)Z PRODUCTION; CROSS-SECTION; WZ PRODUCTION; ROOT-S=7 TEV; ZZ; W+W;
D O I：
10.1103/PhysRevD.88.114017
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We perform the transverse-momentum resummation for W+W-, ZZ, and W(+)Z pair productions at the next-to-next-to-leading logarithmic accuracy using soft-collinear effective theory for root S = 8 TeV and root S = 14 TeV at the LHC, respectively. Importantly, this is the first calculation of W(+/-)Z transverse-momentum resummation. We also include the nonperturbative effects and discussions on the PDF uncertainties. Comparing with the next-to-leading logarithmic results, the next-to-next-to-leading logarithmic resummation can reduce the dependence of the transverse-momentum distribution on the factorization scales significantly. Finally, we find that our numerical results are consistent with data measured by the CMS Collaboration for the ZZ production, which have thus far only been reported by the LHC experiments for the unfolded transverse-momentum distribution of the gauge boson pair production within theoretical and experimental uncertainties.
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页数：12
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