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Title: Mass spectrum and Higgs profile in B - L symmetric SSM
Authors: Ün, Cem Salih
Özdal, Özer
Publisher: American Physical Society
Abstract: We investigate the predictions on the mass spectrum and Higgs boson decays in the supersymmetric standard model extended by U(1)(B-L) symmetry (BLSSM). The model requires two singlet Higgs fields, which are responsible for the radiative breaking of U(1)(B-L) symmetry. It predicts degenerate right-handed neutrino masses (1.7-2.2 TeV) as well as the right-handed sneutrinos of mass less than or similar to 4 TeV. The presence of right-handed neutrinos and sneutrinos triggers the baryon and lepton number violation processes, until they decouple from the standard model particles. Besides, the model predicts rather heavy colored particles; m((t) over bar), m((h) over bar) greater than or similar to 1.5 TeV, while m((tau) over tilde) greater than or similar to 100 GeV and m((chi) over tilde1 +/-) greater than or similar to 600 GeV. Even though the implications are similar to the minimal supersymmetric standard model, BLSSM can predict another Higgs boson lighter than 150 GeV. We find that the second Higgs boson can be degenerate with the lightest charge parity (CP)-even Higgs boson of mass about 125 GeV and contribute to the Higgs decay into two photons. In addition, it can provide an explanation for the excess in h -> 4l at the mass scale similar to 145 GeV.
ISSN: 2470-0010
Appears in Collections:Physics / Fizik
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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