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Related papers: The No-Scale Multiverse at the LHC

200 papers

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…

High Energy Physics - Phenomenology · Physics 2015-03-17 Tianjun Li , James A. Maxin , Dimitri V. Nanopoulos , Joel W. Walker

We evolve our Multiverse Blueprints to characterize our local neighborhood of the String Landscape and the Multiverse of plausible string, M- and F-theory vacua. Building upon the tripodal foundations of i) the Flipped SU(5) Grand Unified…

High Energy Physics - Phenomenology · Physics 2012-08-20 Tianjun Li , James A. Maxin , Dimitri V. Nanopoulos , Joel W. Walker

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…

High Energy Physics - Phenomenology · Physics 2015-03-19 James A. Maxin , Tianjun Li , Dimitri V. Nanopoulos , Joel W. Walker

We present the simplest, string-derivable, supergravity model and discuss its experimental consequences. This model is a new string-inspired flipped $SU(5)$ which unifies at the string scale $M_U=10^{18}\GeV$ due to the introduction of an…

High Energy Physics - Phenomenology · Physics 2009-08-25 J. Lopez , D. Nanopoulos , A. Zichichi

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…

High Energy Physics - Phenomenology · Physics 2011-09-13 Tianjun Li , James A. Maxin , Dimitri V. Nanopoulos , Joel W. Walker

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

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…

High Energy Physics - Phenomenology · Physics 2012-02-16 Tianjun Li , James A. Maxin , Dimitri V. Nanopoulos , Joel W. Walker

The Supergravity model named No-Scale ${\cal F}$-$SU(5)$, which is based upon the flipped $SU$(5) Grand Unified Theory (GUT) with additional TeV-scale vector-like flippon multiplets, has been partially probed during the LHC Run 1 at 7-8…

High Energy Physics - Phenomenology · Physics 2015-08-05 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…

High Energy Physics - Phenomenology · Physics 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…

High Energy Physics - Phenomenology · Physics 2011-05-10 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…

High Energy Physics - Phenomenology · Physics 2011-04-28 Tianjun Li , James A. Maxin , Dimitri V. Nanopoulos , Joel W. Walker

Even if SUSY is not present at the Electro-Weak scale, string theory suggests its presence at some scale M_{SS} below the string scale M_s to guarantee the absence of tachyons. We explore the possible value of M_{SS} consistent with gauge…

High Energy Physics - Phenomenology · Physics 2015-06-05 Luis E. Ibáñez , Fernando Marchesano , Diego Regalado , Irene Valenzuela

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)…

High Energy Physics - Phenomenology · Physics 2017-06-07 Dingli Hu , Tianjun Li , Adam Lux , James A. Maxin , Dimitri V. Nanopoulos

We present a string-inspired/derived supergravity model based on the flipped $SU(5)\times U(1)$ structure supplemented by a minimal set of additional matter representations such that unification occurs at the string scale…

High Energy Physics - Phenomenology · Physics 2008-02-03 J. Lopez , D. Nanopoulos , A. Zichichi

We present persistently amassing evidence that the CMS and ATLAS Collaborations may indeed be already registering supersymmetry events at the Large Hadron Collider (LHC). Our analysis is performed in the context of a highly…

High Energy Physics - Phenomenology · Physics 2015-03-19 Tianjun Li , James A. Maxin , 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…

High Energy Physics - Phenomenology · Physics 2018-11-27 Ron De Benedetti , Chuang Li , Tianjun Li , Adam Lux , James A. Maxin , Dimitri V. Nanopoulos

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…

High Energy Physics - Phenomenology · Physics 2017-08-28 Tianjun Li , James A. Maxin , Dimitri V. Nanopoulos

We study some phenomenological implications of models where the scale of quantum gravity effects lies much below the four-dimensional Planck scale. These models arise from M-theory vacua where either the internal space volume is large or…

High Energy Physics - Phenomenology · Physics 2014-11-17 Karim Benakli

On the heels of the first analysis of LHC data eclipsing the inverse femtobarn integrated luminosity milestone, we undertake a detailed comparison of the most recent experimental results with Monte Carlo simulation of the full…

High Energy Physics - Phenomenology · Physics 2011-08-26 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…

High Energy Physics - Phenomenology · Physics 2012-09-06 Tianjun Li , James A. Maxin , Dimitri V. Nanopoulos , Joel W. Walker
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