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Related papers: Constricted SUSY from No-Scale F-SU(5): A "Blind S…

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We investigate squark and gluino pair production at LHC (CMS) with subsequent decays into quarks, leptons and LSP in models with effective supersymmetry where third generation of squarks is relatively light while the first two generations…

High Energy Physics - Phenomenology · Physics 2009-11-07 S. I. Bityukov , N. V. Krasnikov

Using an artificial neutral network we explore the parameter space of supergravity grand unified models consistent with the combined Fermilab E989 and Brookhaven E821 data on $(g-2)_\mu$. The analysis indicates that the region favored by…

High Energy Physics - Phenomenology · Physics 2021-09-08 Amin Aboubrahim , Michael Klasen , Pran Nath

We will consider a SUSY-SU(5) with one right-handed neutrino with a large top like Yukawa coupling. Assuming universal soft masses at high scale we compute the low-energy spectrum and subsequently the neutralino LSP relic density taking…

High Energy Physics - Phenomenology · Physics 2009-01-06 L. Calibbi , Y. Mambrini , S. K. Vempati

We have explored the possibilities of scenarios with heavy gluinos and light stops in supersymmetric (SUSY) standard models with extra vector-like multiplets. If we assume the hierarchical structure for soft masses of the minimal…

High Energy Physics - Phenomenology · Physics 2017-04-06 Junji Hisano , Wataru Kuramoto , Takumi Kuwahara

A search is presented for supersymmetry in all-hadronic events with missing transverse momentum and tagged top quarks. The data sample was collected by the CMS detector at the LHC and corresponds to an integrated luminosity of 2.3 inverse…

High Energy Physics - Experiment · Physics 2017-08-02 CMS Collaboration

We investigate neutralino dark matter in supersymmetric flipped SU(5), focusing on candidates with masses of order 30 - 150 GeV and spin independent cross sections that are consistent with the most recent CDMS II results. We assume gravity…

High Energy Physics - Phenomenology · Physics 2011-01-20 Ilia Gogoladze , Rizwan Khalid , Shabbar Raza , Qaisar Shafi

We revisit the construction of the viable parameter space of No-Scale F-SU(5), a model built on the F-lipped SU(5)xU(1)_X gauge group, supplemented by a pair of F-theory derived vector-like multiplets at the TeV scale, and the dynamically…

High Energy Physics - Phenomenology · Physics 2012-06-05 Tianjun Li , James A. Maxin , Dimitri V. Nanopoulos , Joel W. Walker

In this letter we have presented a novel version of "long-lived" gluinos in supersymmetric models with the gluino the lightest ordinary supersymmetric particle [LOSP] and axino LSP. Within certain ranges of the axion decay constant $f_a < 1…

High Energy Physics - Phenomenology · Physics 2015-12-09 Stuart Raby

The null results of the LHC searches have put strong bounds on new physics scenario such as supersymmetry (SUSY). With the latest values of top quark mass and strong coupling, we study the upper bounds on the sfermion masses in Split-SUSY…

High Energy Physics - Phenomenology · Physics 2020-05-06 Waqas Ahmed , Adeel Mansha , Tianjun Li , Shabbar Raza , Joydeep Roy , Fang-Zhou Xu

We assess the future directions for the search for supersymmetry at the Large Hadron Collider in view of the new precision results on the muon anomaly by the Fermilab Collaboration. The existence of a deviation of size 4.1$\sigma$ from the…

High Energy Physics - Phenomenology · Physics 2021-08-25 Amin Aboubrahim , Michael Klasen , Pran Nath , Raza M. Syed

Imposing electroweak scale naturalness constraints (low \Delta_{EW}) on SUSY models leads to mass spectra characterized by light higgsinos ~100-300 GeV, highly mixed top-squarks and gluinos at the 1-5 TeV scale and allows for m_h ~125 GeV.…

High Energy Physics - Phenomenology · Physics 2013-09-30 Howard Baer , Vernon Barger , Peisi Huang , Dan Mickelson , Azar Mustafayev , Warintorn Sreethawong , Xerxes Tata

Supersymmetry (SUSY) provides elegant solutions to several open questions in the Standard Model, and searches for SUSY particles are an important component of the LHC physics program. Naturalness arguments favour supersymmetric partners of…

High Energy Physics - Experiment · Physics 2026-01-28 Matteo Greco

We explore the phenomenology of the minimal supersymmetric flipped SU(5) GUT model (CFSU(5)), whose soft supersymmetry-breaking (SSB) mass parameters are constrained to be universal at some input scale, $M_{in}$, above the GUT scale,…

High Energy Physics - Phenomenology · Physics 2011-07-13 John Ellis , Azar Mustafayev , Keith A. Olive

We describe a model named No-Scale F-SU(5) which is simultaneously capable of explaining the dual signals emerging at the LHC of i) a 124-126 GeV Higgs boson mass m_h, and ii) tantalizing low-statistics excesses in the multi-jet data which…

High Energy Physics - Phenomenology · Physics 2012-03-20 Tianjun Li , James A. Maxin , Dimitri V. Nanopoulos , Joel W. Walker

In this work we consider the HL-LHC discovery potential in the 3 inverse ab data set for gluinos in the gluino-weakino associated production channel. We propose a search in the jets plus missing energy channel which exploits kinematic edge…

High Energy Physics - Phenomenology · Physics 2018-12-21 Linda M. Carpenter , Khalida Hendricks

We examine the experimental signature of a UV complete Supersymmetry (SUSY) theory, the $G_2$-MSSM. This model predicts that only some superpartners will be produced in possibly detectable amounts at LHC: $p p \rightarrow…

High Energy Physics - Phenomenology · Physics 2018-03-13 Malte Buschmann , Eric Gonzalez , Gordon L. Kane

In this paper we present a solution to the $\mu$ problem in an SO(10) supersymmetric grand unified model with gauge mediated and D-term supersymmetry breaking. A Peccei-Quinn symmetry is broken at the messenger scale $M\sim 10^{12}$ GeV and…

High Energy Physics - Phenomenology · Physics 2009-10-31 Arash Mafi , Stuart Raby

Supersymmetric models with radiatively-driven naturalness (RNS) enjoy low electroweak fine-tuning whilst respecting LHC search limits on gluinos and top squarks and allowing for $m_h\simeq 125$ GeV. While the heavier Higgs bosons $H,\ A$…

High Energy Physics - Phenomenology · Physics 2022-06-08 Howard Baer , Vernon Barger , Rishabh Jain , Chung Kao , Dibyashree Sengupta , Xerxes Tata

We investigate the phenomenology of Effective Supersymmetry (ESUSY) models wherein electroweak gauginos and third generation scalars have masses up to about 1~TeV while first and second generation scalars lie in the multi-TeV range. Such…

High Energy Physics - Phenomenology · Physics 2014-11-21 Howard Baer , Sabine Kraml , Andre Lessa , Sezen Sekmen , Xerxes Tata

The constrained Next-to-Minimal Supersymmetric Standard Model (cNMSSM) with mSugra-like boundary conditions at the GUT scale implies a singlino-like LSP with a mass just a few GeV below a stau NLSP. Hence, most of the squark/gluino decay…

High Energy Physics - Phenomenology · Physics 2011-02-03 Ulrich Ellwanger , Alice Florent , Dirk Zerwas
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