Results 51 to 60 of about 1,021,360 (234)
Updated constraints on the minimal supergravity model [PDF]
Journal of High Energy Physics, 2006 We provide an up-to-date analysis of the parameter space of the minimal supergravity model (mSUGRA). Novel features include the new central value of the top quark mass, an improved calculation of the masses of the supersymmetric particles and the neutral Higgs bosons, constraints from b to s \ell^+ \ell^- decays, and a careful treatment of the most ...
Manuel Drees +3 more
openaire +5 more sources
Consistent truncations from the geometry of sphere bundles
Journal of High Energy Physics, 2023 In this paper, we present a unified perspective on sphere consistent truncations based on the classical geometric properties of sphere bundles. The backbone of our approach is the global angular form for the sphere.
Federico Bonetti +3 more
doaj +1 more source
On jordanian deformations of AdS_5 and supergravity [PDF]
J. Phys. A: Math. Theor. 49 (2016) 434006, 2016 We consider various homogeneous Yang-Baxter deformations of the AdS_5 x S^5 superstring that can be obtained from the eta-deformed superstring and related models by singular boosts. The jordanian deformations we obtain in this way behave similarly to the eta-deformed model with regard to supergravity: T dualizing the classical sigma model it is ...
arxiv +1 more source
General F-theory models with tuned (SU(3) × SU(2) × U(1))/ℤ6 symmetry
Journal of High Energy Physics, 2020 We construct a general form for an F-theory Weierstrass model over a general base giving a 6D or 4D supergravity theory with gauge group (SU(3) × SU(2) × U(1))/ℤ6 and generic associated matter, which includes the matter content of the standard model. The
Nikhil Raghuram +2 more
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A plethora of Type IIA embeddings for d = 5 minimal supergravity
Journal of High Energy Physics, 2023 We construct multiple embeddings of all solutions of d = 5 minimal (un)gauged supergravity into massive Type IIA supergravity. The internal spaces and warpings of such embeddings are the same as those of the N $$ \mathcal{N} $$ = 1 supersymmetric (Mink5)
Christopher Couzens +2 more
doaj +1 more source
Noncompact gaugings, chiral reduction and dual sigma models in supergravity [PDF]
Class.Quant.Grav.23:2803-2832,2006, 2005 We show that the half-maximal SU(2) gauged supergravity with topological mass term admits coupling of an arbitrary number of n vector multiplets. The chiral circle reduction of the ungauged theory in the dual 2-form formulation gives N=(1,0) supergravity in 6D coupled to 3p scalars that parametrize the coset SO(p,3)/SO(p)x SO(3), a dilaton and (p+3 ...
arxiv +1 more source
Chargino production at LEP2 in a supergravity model [PDF]
Physics Letters B, 1996 11 pages, latex, 4 figures ...
Steve F. King, Marco Aurelio Diaz
openaire +3 more sources
SUSY breaking after inflation in supergravity with inflaton in a massive vector supermultiplet
Physics Letters B, 2016 We propose a limited class of models, describing interacting chiral multiplets with a non-minimal coupling to a vector multiplet, in curved superspace of N=1 supergravity. Those models are suitable for the inflationary model building in supergravity with
Yermek Aldabergenov, Sergei V. Ketov
doaj +1 more source
Minimal Constrained Supergravity [PDF]
, 2016 We describe minimal supergravity models where supersymmetry is non-linearly realized via constrained superfields. We show that the resulting actions differ from the so called "de Sitter" supergravities because we consider constraints eliminating directly the auxiliary fields of the gravity multiplet.
arxiv +1 more source
Complex supergravity quintessence models confronted with Sn Ia data [PDF]
Phys.Lett.B634:5-8,2006, 2005 A class of supergravity inspired quintessence models is studied by comparing to cosmological data. The set of considered models includes several previously studied quintessential potentials, as well as the $\Lambda$CDM model. We find that even though the commonly studied supergravity inspired quintessence models fit the data better than the $\Lambda ...
arxiv +1 more source