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The structure of the MSSM is reviewed. We first motivate the particle content of the theory by examining the quantum numbers of the known standard model particles and by the requirement of anomaly cancellation. Once the particle content is…

High Energy Physics - Phenomenology · Physics 2009-09-17 Csaba Csaki

Binary classification involves predicting the label of an instance based on whether the model score for the positive class exceeds a threshold chosen based on the application requirements (e.g., maximizing recall for a precision bound).…

Machine Learning · Computer Science 2023-11-21 Gundeep Arora , Srujana Merugu , Anoop Saladi , Rajeev Rastogi

We give a brief overview of beyond the Standard Model (BSM) theories with an extended scalar sector and their phenomenological status in the light of recent experimental results. We discuss the relevant theoretical and experimental…

High Energy Physics - Phenomenology · Physics 2018-05-01 Agnieszka Ilnicka , Tania Robens , Tim Stefaniak

We analyze a minimal bottom-up seesaw scenario where we require the theory to satisfy three phenomenological conditions: (i)it is supersymmetric; (ii) it has a local B-L symmetry as part of the SU(2)_L x SU(2)_R x U(1)_{B-L} gauge theory to…

High Energy Physics - Phenomenology · Physics 2009-11-11 R. N. Mohapatra , N. Setzer , S. Spinner

In the electroweak phase transition there arises the problem of baryon number washout by sphaleron transitions, which can be avoided if the phase transition is strongly enough first order. The minimal supersymmetric standard model has just…

High Energy Physics - Phenomenology · Physics 2009-10-28 A. T. Davies , C. D. Froggatt , R. G. Moorhouse

We present the general behavior of the scalar sector in a Three Higgs Doublet Model (3HDM) with a $\mathbb{Z}_5$ flavor symmetry. There are regions of the parameters space where it is possible to get a SM-like Higgs boson with the other…

High Energy Physics - Phenomenology · Physics 2014-05-01 A. Aranda , J. E. Barradas-Guevara , A. Cordero-Cid , F. de Anda , A. Delgado , O. Felix-Beltran , J. Hernandez-Sanchez

In the first scenario, we revise the upper bound of the cutoff scale of the dimension-six potential Higgs operator required for a successful electroweak baryogenesis in the case of a modified expansion history caused by the existence of a…

High Energy Physics - Phenomenology · Physics 2022-11-14 Ngo Phuc Duc Loc

Many scenarios of beyond the Standard Model (BSM) physics give rise to new top-philic interactions that can be probed at proton machines such as the Large Hadron Collider through a variety of production and decay modes. On the one hand,…

High Energy Physics - Phenomenology · Physics 2023-08-16 Anisha , Oliver Atkinson , Akanksha Bhardwaj , Christoph Englert , Wrishik Naskar , Panagiotis Stylianou

The scalar potential of the two-Higgs-doublet model (2HDM) may have more than one local minimum and the usually considered vacuum could be located at one of them that could decay to another. This paper studies the condition that the usually…

High Energy Physics - Phenomenology · Physics 2017-08-02 Xun-Jie Xu

We study the allowed parameter space of the scalar sector in the superweak extension of the standard model (SM). The allowed region is defined by the conditions of (i) stability of the vacuum and (ii) perturbativity up to the Planck scale,…

High Energy Physics - Phenomenology · Physics 2022-10-12 Zoltán Péli , Zoltán Trócsányi

We investigate the discrimination of two candidates of an unknown parameter in quantum systems with continuous weak measurement, inspired by the application of hypothesis testing in distinguish-ing two Hamiltonians [Kiilerich and M{\o}lmer,…

Quantum Physics · Physics 2019-07-24 Beili Gong , Wei Cui

We characterize models where electroweak symmetry breaking is driven by two light Higgs doublets arising as pseudo-Nambu-Goldstone bosons of new dynamics above the weak scale. They represent the simplest natural two Higgs doublet…

High Energy Physics - Phenomenology · Physics 2015-05-28 Jan Mrazek , Alex Pomarol , Riccardo Rattazzi , Michele Redi , Javi Serra , Andrea Wulzer

These lectures describe why one believes there is physics beyond the Standard Model and review the expectations of three alternative explanations for the Fermi scale. After examining constraints and hints for beyond the Standard Model…

High Energy Physics - Phenomenology · Physics 2007-05-23 R. D. Peccei

Specific models of supersymmetry breaking predict relations between the trilinear and bilinear soft supersymmetry breaking parameters A_0 and B_0 at the input scale. Models with A_0 = B_0 + m_0 as well as the simplest Polonyi model with A_0…

High Energy Physics - Phenomenology · Physics 2007-05-23 Vassilis C. Spanos

Models of Beyond the Standard Model (BSM) physics, like the Minimal Supersymmetric Standard Model (MSSM), often involve an extended Higgs sector, giving rise to extra neutral or charged Higgs bosons. The discovery reach expected from…

High Energy Physics - Experiment · Physics 2019-08-15 Steven Lowette

We extend the work \cite{Ouazghour:2018mld} to a more general and detailed analysis through studying the naturalness problem and $B$ physics constraints within the context of two higgs doublets model augmented with a complex scalar triplet…

High Energy Physics - Phenomenology · Physics 2023-10-12 B. Ait Ouazghour , M. Chabab

In this work, we have considered the flat FRW model of the universe in $(n+2)$-dimensions filled with the dark matter and the magnetic field. We present the Hubble parameter in terms of the observable parameters $\Omega_{m0}$ and $H_{0}$…

General Physics · Physics 2013-04-05 Chayan Ranjit , Shuvendu Chakraborty , Ujjal Debnath

We discuss the possibility of breaking the electroweak symmetry in theories with extra dimensions via boundary conditions, without a physical Higgs scalar in the spectrum. In these models the unitarity violation scale can be delayed via the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Csaba Csaki

Experiments have confirmed the presence of a mass gap between the Standard Model and potential New Physics. Consequently, the exploration of effective field theories to detect signals indicative of Physics Beyond the Standard Model is of…

High Energy Physics - Phenomenology · Physics 2024-10-22 Ignasi Rosell , Antonio Pich , Juan Jose Sanz-Cillero

Though the existence of two-level systems (TLS) is widely accepted to explain low temperature anomalies in the sound absorption, heat capacity, thermal conductivity and other quantities, an exact description of their microscopic nature is…

Materials Science · Physics 2009-11-10 J. Reinisch , A. Heuer