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High Energy Physics - Phenomenology

arXiv:hep-ph/9812263 (hep-ph)
[Submitted on 6 Dec 1998 (v1), last revised 1 Sep 1999 (this version, v5)]

Title:QCD Corrections to Scalar Production via Heavy Quark Fusion at Hadron Colliders

Authors:Csaba Balazs, Hong-Jian He, C.-P. Yuan
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Abstract: We recently proposed that, due to the top-quark-mass enhanced Yukawa coupling, the s-channel production of a charged scalar or pseudo-scalar from heavy quark fusion can be an important new mechanism for discovering non-standard spin-0 particles. In this work, we present the complete O(alpha_s) QCD corrections to this s-channel production process at hadron colliders, including the results of QCD resummation over multiple soft-gluon emission. The systematic QCD-improved production and decay rates at the FermiLab Tevatron and the CERN LHC are given for the charged top-pions in the topcolor models and for the charged Higgs bosons in the generic two Higgs doublet model. The direct extension to the production of the neutral (pseudo-)scalars via bb\bar fusion is studied in the minimal supersymmetric standard model (MSSM) with large tan(beta), and in the topcolor model with large bottom Yukawa coupling.
Comments: Version to be published in Phys.Rev.D. Discussion on Rb added plus minor improvements. Conclusions not changed. Latex2e, 40 pages, 16 figures
Subjects: High Energy Physics - Phenomenology (hep-ph)
Report number: MSUHEP-81010
Cite as: arXiv:hep-ph/9812263
  (or arXiv:hep-ph/9812263v5 for this version)
  https://doi.org/10.48550/arXiv.hep-ph/9812263
Journal reference: Phys.Rev.D60:114001,1999
Related DOI: https://doi.org/10.1103/PhysRevD.60.114001

Submission history

From: Csaba Balazs [view email]
[v1] Sun, 6 Dec 1998 08:28:28 UTC (256 KB)
[v2] Tue, 8 Dec 1998 06:57:38 UTC (299 KB)
[v3] Wed, 9 Dec 1998 05:12:16 UTC (299 KB)
[v4] Tue, 22 Dec 1998 06:07:07 UTC (342 KB)
[v5] Wed, 1 Sep 1999 21:40:25 UTC (372 KB)
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