4.7 Article

Relatively heavy Higgs boson in more generic gauge mediation

期刊

PHYSICS LETTERS B
卷 705, 期 4, 页码 342-348

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ELSEVIER
DOI: 10.1016/j.physletb.2011.10.031

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资金

  1. World Premier International Research Center Initiative (WPI Initiative), MEXT, Japan
  2. JSPS [22244021]
  3. Grants-in-Aid for Scientific Research [22244021] Funding Source: KAKEN

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We discuss gauge mediation models where the doublet messengers and Higgs doublets are allowed to mix through a charged coupling. The charged coupling replaces messenger parity as a means of suppressing flavor changing neutral currents without introducing any unwanted CP violation. As a result of this mixing between the Higgs doublets and the messengers, relatively large A-terms are generated at the messenger scale. These large A-terms produce a distinct weak scale mass spectrum. Particularly, we show that the lightest Higgs boson mass is enhanced and can be as heavy as 125 GeV for a gluino mass as light as 2 TeV. We also show that the stops are heavier than that predicted by conventional gauge mediation models. It is also shown that these models have a peculiar slepton mass spectrum. (C) 2011 Elsevier B.V. All rights reserved.

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