Zobrazeno 1 - 10
of 116
pro vyhledávání: '"Biswas, Sanjoy"'
We study the Higgs couplings present in the $Zh$ associated production mode at the Large Hadron Collider (LHC) in presence of both CP even and CP odd dimension 6 Standard Model Effective Theory (SMEFT) operators. The analysis is performed mainly in c
Externí odkaz:
http://arxiv.org/abs/2403.03001
Publikováno v:
JHEP 08 (2023) 015
We analyse the single top production in association with the Higgs at the Large Hadron Collider (LHC) using Standard Model (SM) effective operators upto dimension six. We show that the presence of effective operators can significantly alter the exist
Externí odkaz:
http://arxiv.org/abs/2211.05450
Publikováno v:
Phys. Rev. D 107, 115024 (2023)
In this work, we have considered an extension of the standard model (SM) with a $SU(2)_L$ singlet vectorlike quark (VLQ) with electric charge $Q=+2/3$. The model also contains an additional local $U(1)_d$ symmetry group and the corresponding gauge bo
Externí odkaz:
http://arxiv.org/abs/2209.13888
Publikováno v:
Symmetry 2022, Volume 14 (8), 1522
Many scenarios beyond the standard model, aiming to solve long-standing cosmological and particle physics problems, suggest that dark matter might experience long-distance interactions mediated by an unbroken dark $U(1)$ gauge symmetry, hence foresee
Externí odkaz:
http://arxiv.org/abs/2206.05297
Publikováno v:
Phys. Rev. D 100, 115040 (2019)
We study portal interactions connecting visible and dark sectors, and involving local interactions of a photon, a dark photon and a axion-like particle (ALP) at future $e^+e^-$ colliders. These interactions, mediated by higher-dimensional effective o
Externí odkaz:
http://arxiv.org/abs/1906.10608
Autor:
Biswas, Sanjoy1 sanjoy.biswas@gnit.ac.in, Dey, Samir2 samir.dey@jisuniversity.ac.in
Publikováno v:
Neutrosophic Sets & Systems. 2023, Vol. 57, p76-113. 38p.
Publikováno v:
Phys. Rev. D 96, 055012 (2017)
We study the $ZH$ associated production followed by the Higgs $H\to \gamma \bar{\gamma}$ decay into a photon plus an invisible and massless dark photon, at future high-energy $e^+e^-$ facilities. Large $H\to \gamma \bar{\gamma}$ decay rates (with bra
Externí odkaz:
http://arxiv.org/abs/1703.00402
Akademický článek
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Motivated by the naturalness and neutrino mass generation, we study a bilinear R-parity violating supersymmetric scenario with a light Higgsino-like lightest supersymmetric particle (LSP). We observe that the LSP dominantly decays to $\nu h$ in a lar
Externí odkaz:
http://arxiv.org/abs/1604.02821
Publikováno v:
Phys. Rev. D 93, 093011 (2016)
Dark photons $\bar \gamma$ mediating long-range forces in a dark sector are predicted by various new physics scenarios, and are being intensively searched for in experiments. We extend a previous study of a new discovery process for dark photons proc
Externí odkaz:
http://arxiv.org/abs/1603.01377