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In light of recent 80-137 $\rm{fb}^{-1}$ results at the LHC Run 2 establishing a lower gluino mass limit of 2.25 TeV, we revisit the supersymmetric GUT model Flipped $SU$(5) with extra vector-like particles, known as $\cal{F}$-$SU$(5), with…

高能物理 - 唯象学 · 物理学 2019-10-25 Thomas Ford , Tianjun Li , James A. Maxin , Dimitri V. Nanopoulos

In the context of No-Scale F-SU(5), a model defined by the convergence of the F-lipped SU(5) Grand Unified Theory, two pairs of hypothetical TeV scale vector-like supersymmetric multiplets with origins in F-theory, and the dynamically…

高能物理 - 唯象学 · 物理学 2012-02-02 Tianjun Li , James A. Maxin , Dimitri V. Nanopoulos , Joel W. Walker

We present phenomenological study of the most minimal realistic $SU(5)$ model that owns its predictivity solely to the gauge symmetry and the representational content. The model is built entirely out of the fields residing in the first five…

高能物理 - 唯象学 · 物理学 2021-07-21 Ilja Doršner , Emina Džaferović-Mašić , Shaikh Saad

We present the distinctive collider signatures of No-Scale F-SU(5), a highly efficient and phenomenologically favored model built on the tripodal foundations of the F-lipped SU(5) X U(1)_X Grand Unified Theory, extra F-theory derived TeV…

高能物理 - 唯象学 · 物理学 2015-03-19 James A. Maxin , Tianjun Li , Dimitri V. Nanopoulos , Joel W. Walker

Motivated by D-brane model building, we evaluate the $\cal{F}$-$SU(5)$ model with additional vector-like particle multiplets, referred to as flippons, within the framework of No-Scale Supergravity with non-vanishing general supersymmetry…

高能物理 - 唯象学 · 物理学 2018-11-27 Ron De Benedetti , Chuang Li , Tianjun Li , Adam Lux , James A. Maxin , Dimitri V. Nanopoulos

We study the Higgs potential in No-Scale F-SU(5), a model built on the tripodal foundations of the Flipped SU(5) x U(1)_X Grand Unified Theory, extra F-theory derived TeV scale vector-like particle multiplets, and the high scale boundary…

高能物理 - 唯象学 · 物理学 2011-09-13 Tianjun Li , James A. Maxin , Dimitri V. Nanopoulos , Joel W. Walker

We take stock of the No-Scale F-SU(5) model's experimental status and prospects in the light of results from LHC, Planck, and XENON100. Given that no conclusive evidence for light Supersymmetry (SUSY) has emerged from the 7, 8 TeV collider…

高能物理 - 唯象学 · 物理学 2013-10-15 Tianjun Li , James A. Maxin , Dimitri V. Nanopoulos , Joel W. Walker

We systematically establish the hyper-surface within the tan(beta), top quark mass m_t, universal gaugino mass M_1/2, and vectorlike mass M_V parameter volume which is compatible with the application of the No-Scale Supergravity boundary…

高能物理 - 唯象学 · 物理学 2011-04-28 Tianjun Li , James A. Maxin , Dimitri V. Nanopoulos , Joel W. Walker

We review the No-Scale F-SU(5) model with extra TeV-scale vector-like flippon multiplets and its associated collider phenomenology in the search for supersymmetry at the LHC. The model framework possesses the rather unique capacity to…

高能物理 - 唯象学 · 物理学 2014-08-26 Tianjun Li , James A. Maxin , Dimitri V. Nanopoulos , Joel W. Walker

We complete an investigation of the observable signatures of No-Scale flipped SU(5) x U(1)_X grand unified theory with TeV-scale vector-like particles (No-Scale F-SU(5)) at the LHC and dark matter direct detection experiments. We feature a…

高能物理 - 唯象学 · 物理学 2012-09-06 Tianjun Li , James A. Maxin , Dimitri V. Nanopoulos , Joel W. Walker

We study the grand unification model flipped $SU(5)$ with additional vector-like particle multiplets, or ${\cal F}$-$SU(5)$ for short, in the framework of General No-Scale Supergravity. In our analysis we allow the supersymmetry (SUSY)…

高能物理 - 唯象学 · 物理学 2017-06-07 Dingli Hu , Tianjun Li , Adam Lux , James A. Maxin , Dimitri V. Nanopoulos

We present a contemporary perspective on the String Landscape and the Multiverse of plausible string, M- and F-theory vacua, seeking to demonstrate a non-zero probability for the existence of a universe matching our own observed physics…

高能物理 - 唯象学 · 物理学 2011-07-13 Tianjun Li , James A. Maxin , Dimitri V. Nanopoulos , Joel W. Walker

In our recent paper entitled "The return of the King: No-Scale ${\cal F}$-$SU(5)$", we showed that the model space supporting the most favorable phenomenology should have been probed in 2016 at the LHC2, with an even further reach into this…

高能物理 - 唯象学 · 物理学 2017-08-28 Tianjun Li , James A. Maxin , Dimitri V. Nanopoulos

We present a contemporary perspective on the String Landscape and the Multiverse of plausible string, M- and F-theory vacua. In contrast to traditional statistical classifications and capitulation to the anthropic principle, we seek only to…

高能物理 - 唯象学 · 物理学 2015-03-17 Tianjun Li , James A. Maxin , Dimitri V. Nanopoulos , Joel W. Walker

It is a well-known fact that the minimal renormalizable supersymmetric SU(5) model is ruled out assuming superpartner masses of the order of a few TeV. Giving up this constraint and assuming only SU(5) boundary conditions for the soft…

高能物理 - 唯象学 · 物理学 2016-02-17 Borut Bajc , Stéphane Lavignac , Timon Mede

We present the reach of the Large Hadron Collider (LHC) into the parameter space of No-Scale F-SU(5), starting our analysis with the current operating energy of \sqrt{s} = 7 TeV, and extending it on through the bright future of a 14 TeV…

高能物理 - 唯象学 · 物理学 2012-02-16 Tianjun Li , James A. Maxin , Dimitri V. Nanopoulos , Joel W. Walker

We review the No-Scale F-SU(5) model with extra TeV-scale vector-like flippon multiplets and associated collider phenomenology relating to the search for supersymmetry at the LHC. The model framework possesses the rather unique capacity to…

高能物理 - 唯象学 · 物理学 2013-12-18 Tianjun Li , James A. Maxin , Dimitri V. Nanopoulos , Joel W. Walker

The ${\cal F}$-lipped $SU(5)\times U(1)_X$ Grand Unified Theory (GUT) supplemented by TeV-scale vector-like particles from ${\cal F}$-theory, together dubbed ${\cal F}$-SU(5), offers a natural multi-phase unification process which suggests…

高能物理 - 唯象学 · 物理学 2011-05-10 Tianjun Li , James A. Maxin , Dimitri V. Nanopoulos , Joel W. Walker

We study gravity mediated supersymmetry breaking in ${\cal F}$-SU(5) and its low-energy supersymmetric phenomenology. The gaugino masses are not unified at the traditional grand unification scale, but we nonetheless have the same one-loop…

高能物理 - 唯象学 · 物理学 2015-05-18 Tianjun Li , James A. Maxin , Dimitri V. Nanopoulos , Joel W. Walker

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,…

高能物理 - 唯象学 · 物理学 2011-07-13 John Ellis , Azar Mustafayev , Keith A. Olive
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