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arXiv 0705.0035hep-ph
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含高阶软胶子修正的单底夸克希格斯玻色子产生

Higgs boson production with one bottom quark including higher-order soft-gluon corrections

B. Field, C. B. Jackson, L. Reina

摘要:

一个与一个或多个底夸克结合产生的希格斯玻色子对高能界来说具有重大的理论和实验意义。精确预测它的总截面和微分截面对于发现具有大底夸克汤川耦合的希格斯玻色子有很大的影响,就像在大\tan β区域的最小超对称标准模型(MSSM)中的标量(h^0和H^0)和赝标量(A^0)希格斯玻色子一样。在本文中,我们应用阈值重算方法来确定b g \to bΦ(其中Φ= h^0,H^0)的微分截面和总截面,包括次到首阶(NNNLO)的软修正和次到首阶对数(NLL)精度的虚拟QCD修正。我们目前的费米实验室Tevatron和欧洲核子研究中心大型强子对撞机(LHC)的结果。

英文摘要:

A Higgs boson produced in association with one or more bottom quarks is of great theoretical and experimental interest to the high-energy community. A precise prediction of its total and differential cross-section can have a great impact on the discovery of a Higgs boson with large bottom-quark Yukawa coupling, like the scalar (h^0 and H^0) and pseudoscalar (A^0) Higgs bosons of the Minimal Supersymmetric Standard Model (MSSM) in the region of large \tanβ. In this paper we apply the threshold resummation formalism to determine both differential and total cross-sections for b g \to bΦ(where Φ= h^0, H^0), including up to next-to-next-to-next-to-leading order (NNNLO) soft plus virtual QCD corrections at next-to-leading logarithmic (NLL) accuracy. We present results for both the Fermilab Tevatron and the CERN Large Hadron Collider (LHC).

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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