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Non-universal boundary conditions in grand unified theories can lead to non-universal gaugino masses at the unification scale. In R-parity preserving theories the lightest supersymmetric particle is a natural candidate for the dark matter.…

High Energy Physics - Phenomenology · Physics 2009-09-29 Katri Huitu , Jari Laamanen , Sourov Roy

I consider models with non-universal gaugino masses at the gauge coupling unification scale, taking into account the Higgs boson discovery. Viable regions of parameter space are mapped and studied in the case of non-universality following…

High Energy Physics - Phenomenology · Physics 2014-02-26 Stephen P. Martin

Relatively light electroweak superparticle masses are required to satisfy the bulk annihilation region of dark matter relic density and account for the observed excess of muon g-2, while TeV scale squark and gluino masses are required to…

High Energy Physics - Phenomenology · Physics 2014-03-03 Subhendra Mohanty , Soumya Rao , D. P. Roy

We explore the sparticle spectroscopy of the supersymmetric SU(5) model with non-universal gaugino masses in light of latest experimental searches. We assume that the gaugino mass parameters are independent at the GUT scale. We find that…

High Energy Physics - Phenomenology · Physics 2017-11-08 M. Adeel Ajaib

We investigate models of supersymmetric grand unification based on the gauge group SU(5). We consider models with non-universal gaugino masses and confront them with low energy constraints, including the Higgs boson mass and the Dark Matter…

High Energy Physics - Phenomenology · Physics 2015-06-16 D. J. Miller , A. P. Morais

We examine the low scale particle spectroscopy of an SO(10) (or equivalently SU(5)) inspired supersymmetric model with non-universal gaugino masses. The model assumes minimal supergravity and contains the same number of fundamental…

High Energy Physics - Phenomenology · Physics 2013-05-29 Nobuchika Okada , Shabbar Raza , Qaisar Shafi

We study the constraints on neutralino dark matter in minimal low energy supersymmetry models and the case of heavy lepton and quark scalar superpartners. For values of the Higgsino and gaugino mass parameters of the order of the weak…

High Energy Physics - Phenomenology · Physics 2017-05-31 Peisi Huang , Roger A. Roglans , Daniel D. Spiegel , Yitian Sun , Carlos E. M. Wagner

In this talk we investigate the dark matter prospects for supersymmetric models with non-universal gaugino masses. We motivate the use of non-universal gaugino masses from several directions, including problems with the current favorite…

High Energy Physics - Phenomenology · Physics 2014-11-17 Andreas Birkedal-Hansen

We examine a well motivated non-universal supergravity model where the Higgs boson masses are not unified with the other scalars at the grand unified scale at the LHC. The dark matter content can easily be satisfied in this model by having…

High Energy Physics - Phenomenology · Physics 2010-12-23 Bhaskar Dutta , Teruki Kamon , Abram Krislock , Nikolay Kolev , Youngdo Oh

We perform a comprehensive study of $SU(5)$, $SO(10)$ and $E(6)$ supersymmetric GUT models where the gaugino masses are generated through the F-term breaking vacuum expectation values of the non-singlet scalar fields. In these models the…

High Energy Physics - Phenomenology · Physics 2014-03-03 Joydeep Chakrabortty , Subhendra Mohanty , Soumya Rao

The Next-to-Minimal Supersymmetric Standard Model (NMSSM) provides a natural framework to realize a low-scale supersymmetric (SUSY) model, where a singlet superfield is added to the minimal model to generate a SUSY-scale higgsino mass term…

High Energy Physics - Phenomenology · Physics 2018-11-14 Junichiro Kawamura , Tatsuo Kobayashi , Natsumi Nagata

When the anti-periodic boundary condition is imposed for a bulk field in extradimensional theories, independently of the background metric, the lightest component in the anti-periodic field becomes stable and hence a good candidate for the…

High Energy Physics - Phenomenology · Physics 2015-05-14 Naoyuki Haba , Shigeki Matsumoto , Nobuchika Okada , Toshifumi Yamashita

An analysis of supersymmetric dark matter under the Yukawa unification constraint is given. The analysis utilizes the recently discovered region of the parameter space of models with gaugino mass nonuniversalities where large negative…

High Energy Physics - Phenomenology · Physics 2011-05-05 Utpal Chattopadhyay , Achille Corsetti , Pran Nath

In unified $\mathcal{N}=1$ supergravity scenario the gaugino masses can be non-universal. The patterns of these non-universalities are dictated by the vacuum expectation values of non-singlet chiral super-fields in visible sector. Here, we…

High Energy Physics - Phenomenology · Physics 2015-07-10 Joydeep Chakrabortty , Arghya Choudhury , Subhadeep Mondal

Dark matter candidates arising in models of particle physics incorporating weak scale supersymmetry may produce detectable signals through their annihilation into neutrinos, photons, or positrons. A large number of relevant experiments are…

Astrophysics · Physics 2009-10-09 Jonathan L. Feng , Konstantin T. Matchev , Frank Wilczek

We perform a multichannel analysis in context of the Large Hadron Collider (LHC) for supersymmetric (SUSY) theories with high-scale non-universal gaugino masses arising from different non-singlet representations of SU(5) and SO(10) gauge…

High Energy Physics - Phenomenology · Physics 2009-02-02 Subhaditya Bhattacharya

We explore the dark matter detection prospects in the Minimal Supersymmetric Standard Model in the scenario where the scalar partners of the fermions and the Higgs particles (except for the Standard-Model-like one) are assumed to be very…

High Energy Physics - Phenomenology · Physics 2009-08-24 Nicolas Bernal

We identify a variety of coannihilation scenarios in a supersymmetric SU(4)_c x SU(2)_L x SU(2)_R model with discrete left-right symmetry. Non-universal gaugino masses, compatible with the gauge symmetry, play an essential role in realizing…

High Energy Physics - Phenomenology · Physics 2011-05-12 Ilia Gogoladze , Rizwan Khalid , Qaisar Shafi

We study supersymmetric scenarios in which the gluino is the next-to-lightest supersymmetric particle (NLSP), with a mass sufficiently close to that of the lightest supersymmetric particle (LSP) that gluino coannihilation becomes important.…

High Energy Physics - Phenomenology · Physics 2016-03-23 John Ellis , Jason L. Evans , Feng Luo , Keith A. Olive

A brief review is given of recent developments related to the Higgs signal and its implications for supersymmetry in the supergravity grand unification framework. The Higgs data indicates that the allowed parameter space largely lies on…

High Energy Physics - Phenomenology · Physics 2012-08-02 Pran Nath
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