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Related papers: SUSY Search in Future Collider and Dark Matter Exp…

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The observed excesses in the search for neutralinos and charginos by ATLAS and CMS can be fitted simultaneously in the minimal supersymmetric standard model (MSSM) assuming a light higgsino mass, of magnitude less than about 250 GeV, and a…

High Energy Physics - Phenomenology · Physics 2024-05-01 Ulrich Ellwanger , Cyril Hugonie , Stephen F. King , Stefano Moretti

We examine updated prospects for detecting WIMPs in supersymmetric models via direct and indirect dark matter search experiments. We examine several historical and also still viable scenarios: projections for well-tempered neutralinos…

High Energy Physics - Phenomenology · Physics 2016-12-28 Howard Baer , Vernon Barger , Hasan Serce

In this letter, we show that the wino-Higgsino dark matter (DM) is detectable in near future DM direct detection experiments for almost all consistent parameter space in the spontaneously broken supergravity (SUGRA) if the muon g-2 anomaly…

High Energy Physics - Phenomenology · Physics 2021-11-10 Sho Iwamoto , Tsutomu T. Yanagida , Norimi Yokozaki

Low-scale gauge-mediated supersymmetry(SUSY)-breaking (GMSB) models with gravitino mass m_{3/2}<16 eV are attractive, since there are no flavor and cosmological problems. In this paper, we thoroughly study the collider signal in the case…

High Energy Physics - Phenomenology · Physics 2015-03-17 Eita Nakamura , Satoshi Shirai

Weak scale supersymmetry is a highly motivated extension of the Standard Model that has a strong degree of support from data. It provides several viable dark matter candidates: the lightest neutralino (a WIMP), the gravitino, and the…

High Energy Physics - Phenomenology · Physics 2009-12-07 Howard Baer

We estimate the bounds on Higgs and sparticle masses and discuss their correlations in the constrained minimal supersymmetric standard model (CMSSM). In our analysis we have applied the present constraints from collider and low energy…

High Energy Physics - Phenomenology · Physics 2011-11-10 Alexander Belyaev , Shahida Dar , Ilia Gogoladze , Azar Mustafayev , Qaisar Shafi

This study provides a brief overview of low-energy supersymmetry (SUSY) in light of current experimental constraints, such as collider searches, dark matter searches, and muon $g-2$ measurements. In addition, we survey a variety of low…

High Energy Physics - Phenomenology · Physics 2022-01-04 Fei Wang , Wenyu Wang , Jin Min Yang , Yang Zhang , Bin Zhu

We investigate dark matter (DM) in the context of the minimal supersymmetric extension of the standard model (MSSM). We scan through the MSSM parameter space and search for solutions that (a) are consistent with the Higgs discovery and…

High Energy Physics - Phenomenology · Physics 2013-11-12 Tao Han , Zhen Liu , Aravind Natarajan

This work summarizes and puts in an overall perspective studies done within CMS concerning the discovery potential for squarks and gluinos, sleptons, charginos and neutralinos, SUSY dark matter, lightest Higgs, sparticle mass determination…

We perform a complete analysis of the supersymmetric particle spectrum in the Minimal Supergravity (mSUGRA) model. We show that present constraints on the Higgs boson and superparticle masses from collider searches and precision…

High Energy Physics - Phenomenology · Physics 2007-05-23 Abdelhak Djouadi , Manuel Drees , Jean-Loic Kneur

Light higgsinos below several hundred GeV are favored or required by the naturalness of low energy supersymmetry. If only higgsinos are light while other sparticles are sufficiently heavy, we have the so-called light higgsino scenario.…

High Energy Physics - Phenomenology · Physics 2023-03-23 Jun Zhao , Jingya Zhu , Pengxuan Zhu , Rui Zhu

The axino, the supersymmetric partner of axion, is a well-motivated warm/hot dark matter candidate, and provides a natural solution to the relic density problem for the bino-like neutralino if it is the lightest supersymmetric particle…

High Energy Physics - Phenomenology · Physics 2023-04-04 Wenxing Zhang , Waqas Ahmed , Imtiaz Khan , Tianjun Li , Shabbar Raza

We consider here the constraints in SUGRA models on the SUSY parameter space due to current experimental bounds on the light Higgs mass m_h, the b-> s gamma decay, the amount of neutralino cold dark matter Omega h^2, and the muon magnetic…

High Energy Physics - Phenomenology · Physics 2007-05-23 R. Arnowitt , B. Dutta

The measurements of WMAP on the relic density of dark matter strongly constrain supersymmetric models. In mSUGRA where the neutralino LSP is mostly a bino only rather fine-tuned models survive. On the other hand the relic density upper…

High Energy Physics - Phenomenology · Physics 2007-05-23 G. Belanger , F. Boudjema , A. Cottrant , A. Pukhov , A. Semenov

It has been widely known that bino-like dark matter in the supersymmetric (SUSY) theories in general suffers from over-production. The situation can be drastically improved if gluinos have a mass slightly heavier than the bino dark matter…

High Energy Physics - Phenomenology · Physics 2015-07-03 Natsumi Nagata , Hidetoshi Otono , Satoshi Shirai

A detailed analysis of dark matter event rates in minimal supergravity models (MSGM) is given. It is shown analytically that the lightest neutralino the ${{\tilde {Z}_{1}}}$ is the LSP over almost all of the parameter space, and hence the…

High Energy Physics - Phenomenology · Physics 2008-11-26 R. Arnowitt , Pran Nath

In R-parity conserving supersymmetric (SUSY) models the lightest SUSY particle (LSP) is stable and a candidate for dark matter. Depending on the coupling and mass of this particle the life time of the next-to-lightest SUSY particle (NLSP)…

Astrophysics · Physics 2008-11-26 Markus Ahlers

We discuss the prospects for detecting supersymmetric particles in variants of the minimal supersymmetric extension of the Standard Model (MSSM), in light of laboratory and cosmological constraints. We first assume that the lightest…

High Energy Physics - Phenomenology · Physics 2009-09-11 John Ellis , Keith A. Olive , Yudi Santoso , Vassilis C. Spanos

We perform a complete analysis of the supersymmetric particle spectrum in the Minimal Supergravity (mSUGRA) model where the soft SUSY breaking scalar masses, gaugino masses and trilinear couplings are unified at the GUT scale, so that the…

High Energy Physics - Phenomenology · Physics 2010-02-03 A. Djouadi , M. Drees , J. L. Kneur

Recently, refinements have been made on both the theoretical and experimental determinations of the i.) mass of the lightest Higgs scalar (m_h), ii.) relic density of cold dark matter in the universe (Omega_CDM h^2), iii.) branching…

High Energy Physics - Phenomenology · Physics 2015-06-25 H. Baer , C. Balazs , A. Belyaev , J. Mizukoshi , X. Tata , Y. Wang
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