Browsing by Author "A. Şen"

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Constraints on nonstandard intermediate boson exchange models from neutrino-electron scattering
(American Physical Society, 2017) B. Sevda; A. Şen; M. Demirci; M. Deniz; M. Agartioglu; A. Ajjaq; S. Kerman; L. Singh; A. Sonay; H.T. Wong; M. Zeyrek
Constraints on couplings of several beyond-Standard-Model-physics scenarios, mediated by massive intermediate particles including (1) an extra Z-prime, (2) a new light spin-1 boson, and (3) a charged Higgs boson, are placed via the neutrino-electron scattering channel to test the Standard Model at a low energy-momentum transfer regime. Data on νe-e and νe-e scattering from the TEXONO and LSND, respectively, are used. Upper bounds to coupling constants of the flavor-conserving and flavor-violating new light spin-1 boson and the charged Higgs boson with respect to different mediator masses are determined. The relevant parameter spaces are extended by allowing light mediators. New lower mass limits for extra Z-prime gauge boson models are also placed. © 2017 American Physical Society.