Thesis Collection
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Browsing by Author "Ün, Cem Salih"
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Explaining the R(D) and R(D∗) anomalies in the B−L supersymmetric standard model with inverse seesaw mechanism
(American Physical Society (APS), 2023)We investigate the R(D) and R(D∗) anomalies in the context of the B−L extension of the Minimal Supersymmetric Standard Model with Inverse Seesaw. We demonstrate that the lepton penguin W±l¯νl (l=e,μ,τ) mediated by CP-even/odd ... -
Model Characterization and Dark Matter in the Secluded U(1)′ Model
(Cornell University, 2021)We consider a class of U(1)'-extended MSSM in which the U(1)' symmetry is broken by a vacuum expectation values (VEVs) of four MSSM singlet fields. While one singlet field interacts with the MSSM Higgs fields, three of ... -
Muon g − 2, neutralino dark matter and stau NLSP
Gómez Santamaría, Mario Emilio
; Shafi, Qaisar; Tiwari, Amit; Ün, Cem Salih (Springer, 2022)
We explore the implications of resolving the muon g-2 anomaly in a SU(4)c×SU(2)L×SU(2)R model, where the soft supersymmetry breaking scalar and gaugino masses break the left-right (LR) symmetry. A 2s resolution of ... -
Proton lifetime in minimal SUSY SU(5) in light of LHC results
(Springer, 2022-02)We examine proton decay mediated by color-triplet Higgsinos in minimal supersymmetric SU(5) grand unified theory in light of the discovery of the Higgs boson and the absence of SUSY signals at the LHC. We pay special ... -
Testing Yukawa unification at LHC Run-3 and HL-LHC
Gómez Santamaría, Mario Emilio; Shafi, Qaisar; Ün, Cem Salih (Scuola Internazionale Superiore di Studi Avanzati (SISSA), 2020-07)
We explore t-b-τ Yukawa unification (YU) in a supersymmetric SU(4)c × SU(2)L ×SU(2)R model without imposing a discrete left-right (L-R) symmetry. A number of interesting solutions that are compatible with t-b-τ YU, LSP ... -
The 28 GeV dimuon excess in lepton specific THDM
(Elsevier, 2022-03)We explore the Higgs mass spectrum in a class of Two Higgs Doublet Models (THDMs) in which a scalar SU(2)Ldoublet interacts only with quarks, while the second one interacts only with leptons. The spectrum includes two ... -
Third family quasi-Yukawa unification: Higgsino dark matter, NLSP gluino, and all that
(American Physical Society, 2023-08)We explore the implications of third family (t - b - z) quasi-Yukawa unification (QYU) for collider and dark matter (DM) searches within the framework of a supersymmetric SU(4)c x SU(2)L x SU(2)R model. The deviation from ...
