Higgs bosons at 98 and 125 GeV at LEP and the LHC

Creators: Bélanger, Geneviève; Ellwanger, Ulrich; Gunion, John F.; Jiang, Yun; Kraml, Sabine; Schwarz, John H.

Abstract

We discuss NMSSM scenarios in which the lightest Higgs boson h 1 is consistent with the small LEP excess at ~ 98 GeV in e^+ e^− → Zh with h→bb and the heavier Higgs boson h 2 has the primary features of the LHC Higgs-like signals at 125 GeV, including an enhanced γγ rate. Verification or falsification of the 98 GeV h_1 may be possible at the LHC during the 14 TeV run. The detection of the other NMSSM Higgs bosons at the LHC and future colliders is also discussed, as well as dark matter properties of the scenario under consideration.

Additional Information

© 2013 Springer. Published for SISSA by Springer. This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited. Received: October 19, 2012. Accepted: December 11, 2012. Published: January 9, 2013. The work of JFG and YJ was supported by US DOE grant DE-FG03-91ER40674, that of JHS the U.S. DOE grant No. DE-FG03-92-ER40701, and that of SK and GB by IN2P3 under contract PICS FR-U.S.A. No. 5872. UE acknowledges partial support from the French ANR LFV-CPV-LHC, ANR STR-COSMO and the European Union FP7 ITN INVISIBLES (Marie Curie Actions, PITN-GA-2011-289442). GB, UE, JFG, SK, and JHS acknowledge the hospitality and the inspiring working atmosphere of the Aspen Center for Physics which is supported by the National Science Foundation Grant No. PHY-1066293.

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