Zobrazeno 1 - 10
of 243
pro vyhledávání: '"L, Covi"'
Autor:
L. Covi
Publikováno v:
Astronomische Nachrichten. 334:605-610
We review shortly the scenarios of Weakly Interactive Massive Particle (WIMP) and Super-Weakly Interacting Massive Particle (SuperWIMP) Dark Matter candidates and discuss the recent searches for Dark Matter candidates at the Large Hadron Collider (LH
Publikováno v:
Physics Letters B. 617(1-2):99-111
The axino and the gravitino are well-motivated candidates for the lightest supersymmetric particle (LSP) and also for cold dark matter in the Universe. Assuming that a charged slepton is the next-to-lightest supersymmetric particle (NLSP), we show ho
Akademický článek
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Publikováno v:
Physics Letters B. 540:295-300
The coset spaces E$_8$/SO(10)$\times$H$_F$ allow complex structures which can account for three quark-lepton generations including right-handed neutrinos. We show that in the context of supersymmetric SO(10) gauge theories in 6 dimensions they also p
Autor:
Federico Dradi, L. Covi
Publikováno v:
Journal of Cosmology and Astroparticle Physics
We consider scenarios of gravitino LSP and DM with stop NLSP both within R-parity conserving and R-parity violating supersymmetry (RPC and RPV SUSY, respectively). We discuss cosmological bounds from Big Bang Nucleosynthesis (BBN) and the gravitino a
Publikováno v:
Physics Letters B. 510:271-276
Inflation is terminated by a non-equilibrium process which finally leads to a thermal state. We study the onset of this transition in a class of hybrid inflation models. The exponential growth of tachyonic modes leads to decoherence and spinodal deco
Autor:
Silvio L. Covi
Publikováno v:
Forum Italicum: A Journal of Italian Studies. 32:608-611
Publikováno v:
ResearcherID
We study proton decay in a supersymmetric {\sf SO(10)} gauge theory in six dimensions compactified on an orbifold. The dimension-5 proton decay operators are forbidden by R-symmetry, whereas the dimension-6 operators are enhanced due to the presence
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8f985e06e2086f380c06b9a5a9d2326e
http://cds.cern.ch/record/768627
http://cds.cern.ch/record/768627
We study anomalies of six-dimensional gauge theories compactified on orbifolds. In addition to the known bulk anomalies, brane anomalies appear on orbifold fixpoints in the case of chiral boundary conditions. At a fixpoint, where the bulk gauge group
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cc1cf85f9d6abb11d08f16074e8da324