English
Related papers

Related papers: Supersymmetric Q-balls as dark matter

200 papers

Supersymmetric extensions of the Standard Model contain non-topological solitons, Q-balls, which can be stable and can be a form of cosmological dark matter. Understanding the interaction of SUSY Q-balls with matter fermions is important…

High Energy Physics - Phenomenology · Physics 2009-11-10 Alexander Kusenko , Lee Loveridge , Mikhail Shaposhnikov

In many supersymmetric extensions of the Standard Model the spectrum of states contains stable non-topological solitons, Q-balls. If formed in the Early Universe in sufficient amounts, Q-balls now contribute to cold dark matter. We discuss…

High Energy Physics - Phenomenology · Physics 2007-05-23 P. G. Tinyakov

All supersymmetric generalizations of the Standard Model allow for stable non-topological solitons of the Q-ball type which may have non-zero baryon and lepton numbers, as well as the electric charge. These solitons can be produced in the…

High Energy Physics - Phenomenology · Physics 2009-10-30 Alexander Kusenko

Supersymmetric extensions of the standard model predict the existence of non-topological solitons, $Q$-balls. Assuming the standard cosmological history preceded by inflation, $Q$-balls can form in the early universe and can make up the…

High Energy Physics - Phenomenology · Physics 2017-01-04 Eric Cotner , Alexander Kusenko

Supersymmetric extensions of the Standard Model predict the existence of Q-balls with baryon and lepton numbers. Stable Q-balls can form at the end of inflation from the fragmentation of the Affleck-Dine condensate and can exist as dark…

High Energy Physics - Phenomenology · Physics 2007-05-23 Alexander Kusenko

Theories with low-energy supersymmetry predict the existence of stable non-topological solitons, Q-balls, that can contribute to dark matter. We discuss the experimental signatures, methods of detection, and the present limits on such dark…

High Energy Physics - Phenomenology · Physics 2011-05-05 Alexander Kusenko , Vadim Kuzmin , Mikhail Shaposhnikov , P. G. Tinyakov

Supersymmetric models predict a natural dark-matter candidate, stable baryonic Q-balls. They could be copiously produced in the early Universe as a by-product of the Affleck-Dine baryogenesis. I review the cosmological and astrophysical…

High Energy Physics - Phenomenology · Physics 2007-05-23 Alexander Kusenko

Supersymmetric extensions of the Standard Model predict the existence of Q-balls, some of which can be entirely stable. Affleck-Dine baryogenesis can result in a copious production of stable baryonic Q-balls, which can presently exist as a…

High Energy Physics - Phenomenology · Physics 2007-05-23 Alexander Kusenko

Stable baryonic Q-balls, which appear in supersymmetric extensions of the Standard Model, could form at the end of cosmological inflation from fragmentation of the Affleck -- Dine condensate. We reconsider astrophysical constraints on such…

Astrophysics · Physics 2009-11-13 Alexander Kusenko , Lee C. Loveridge , Mikhail Shaposhnikov

MSSM predicts the existence of Q-balls, some of which can be entirely stable. Both stable and unstable Q-balls can play an important role in cosmology. In particular, Affleck-Dine baryogenesis can result in a copious production of stable…

High Energy Physics - Phenomenology · Physics 2007-05-23 Alexander Kusenko

Supersymmetric extensions of the Standard Model predict the existence of Q-balls, some of which can be entirely stable. Both stable and unstable Q-balls can play an important role in cosmology. In particular, Affleck-Dine baryogenesis can…

High Energy Physics - Phenomenology · Physics 2016-11-03 Alexander Kusenko

Given a bulk scalar field with sufficient self-interactions in a higher dimensional spacetime, it is shown that the continuous symmetries in four dimensions, induced by the topological structure of the compact manifold, naturally lead to…

High Energy Physics - Phenomenology · Physics 2009-10-31 D. A. Demir

Supersymmetry implies that stable non-topological solitons, Q-balls, could form in the early universe and could make up all or part of dark matter. We show that the relic Q-balls passing through Earth can produce a detectable neutrino flux.…

High Energy Physics - Phenomenology · Physics 2012-04-03 Alexander Kusenko , Ian M. Shoemaker

The gauge-mediated model of supersymmetry breaking implies that stable non-topological solitons, Q-balls, could form in the early universe and comprise the dark matter. It is shown that the inclusion of the effects from gravity-mediation…

High Energy Physics - Phenomenology · Physics 2009-09-02 Ian M. Shoemaker

Stable baryonic Q-balls, which appear in supersymmetric extensions of the Standard Model, could form at the end of cosmological inflation from fragmentation of the Affleck-Dine condensate. They can be dark matter. The existing bounds rely…

High Energy Physics - Phenomenology · Physics 2007-05-23 Jason Schissel

Q-balls are generically present in models with softly broken low-energy supersymmetry. We discuss the properties of these non-topological solitons, which can precipitate a new kind of first-order phase transition in the early Universe and…

High Energy Physics - Phenomenology · Physics 2009-10-30 Alexander Kusenko

We explore equilibrium solutions of non-topological solitons in a general class of scalar field theories which include global U(1) symmetry. We find new types of solutions, tube-shaped and crust-shaped objects, and investigate their…

High Energy Physics - Theory · Physics 2015-05-20 Nobuyuki Sakai , Hideki Ishihara , Ken-ichi Nakao

In theories with low energy supersymmetry breaking, the effective potential for squarks and sleptons has generically nearly flat directions, V(phi) ~ M^4 (log(phi/M))^n. This guarantees the existence of stable non-topological solitons,…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Laine , M. Shaposhnikov

We study numerically a class of non-topological solitons, the Q-balls, arising in supersymmetric extension of the Standard Model with low-energy, gauge-mediated symmetry breaking. % Taking into account the exact form of the supersymmetric…

High Energy Physics - Theory · Physics 2008-11-26 L. Campanelli , M. Ruggieri

Gauge-mediated models of supersymmetry-breaking imply that stable Q-balls can form in the early universe and act as dark matter. All stable Q-balls in the MSSM are associated with one or more flat directions. We show that while Q-balls are…

High Energy Physics - Phenomenology · Physics 2009-07-28 Ian M. Shoemaker
‹ Prev 1 2 3 10 Next ›