ハドロン衝突型加速器による非標準トップ-グルオン結合の探索  [in Japanese] Search for anomalous top-gluon couplings at hadron colliders  [in Japanese]

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Abstract

We study non-standard top-gluon-coupling effects from possible beyond-the-standard-model physics through top-quark pair productions at hadron colliders, i.e., Tevatron/LHC. We calculate the total cross section σ(pp → t¯t) at LHC, and also the top-quark-jet angular distribution in t¯t productions at both Tevatron and LHC as afunction of two anomalous-coupling parameters, i.e., the chromoelectric and chromomagnetic moments of the top, which are constrained by the total cross section σ(p¯p → t¯tX) measured at Tevatron. We find that there will be some chances to observe sizable effects induced by those new couplings.

Journal

  • 徳島大学総合科学部自然科学研究 = Natural Science Research, The University of Tokushima

    徳島大学総合科学部自然科学研究 = Natural Science Research, The University of Tokushima 23(2), 19-28, 2009-07-06

    徳島大学総合科学部

Codes

  • NII Article ID (NAID)
    120002693582
  • NII NACSIS-CAT ID (NCID)
    AN10065859
  • Text Lang
    JPN
  • Article Type
    departmental bulletin paper
  • ISSN
    0914-6385
  • Data Source
    IR 
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