Zobrazeno 1 - 10
of 54
pro vyhledávání: '"Lionetto, Andrea"'
Publikováno v:
J. Stat. Phys. (2016)
We represent an exchange economy in terms of statistical ensembles for complex networks by introducing the concept of market configuration. This is defined as a sequence of nonnegative discrete random variables $\{w_{ij}\}$ describing the flow of a g
Externí odkaz:
http://arxiv.org/abs/1307.0817
Publikováno v:
Physica A 391/21 (2012), pp. 4839-4849
We build a statistical ensemble representation of two economic models describing respectively, in simplified terms, a payment system and a credit market. To this purpose we adopt the Boltzmann-Gibbs distribution where the role of the Hamiltonian is t
Externí odkaz:
http://arxiv.org/abs/1109.0891
Publikováno v:
PhysRevD.84.051702,2011
We study the lightest masses in the fermionic sector of an anomalous $U(1)'$ extension of the minimal supersymmetric standard model inspired by brane constructions. The LSP of this model is an XWIMP (extremely weak interaction particle) which is show
Externí odkaz:
http://arxiv.org/abs/1105.4753
Publikováno v:
Fortsch.Phys.58:703-707,2010
This proceeding is based on arXiv:0905.3044. We analyze the problem of the hierarchy of masses and mixings in orientifold realizations of the Standard Model. We present a bottom-up brane configuration that can generate such hierarchies.
Comment:
Comment:
Externí odkaz:
http://arxiv.org/abs/0912.0121
Autor:
Lionetto, Andrea, Racioppi, Antonio
Publikováno v:
Nucl.Phys.B831:329-343,2010
We study the neutralino radiative decay into the lightest supersymmetric particle (LSP) in the framework of a minimal anomalous U(1)' extension of the MSSM. It turns out that in a suitable decoupling limit the axino, which is present in the St\"uckel
Externí odkaz:
http://arxiv.org/abs/0905.4607
Publikováno v:
JHEP 0908:026,2009
We analyze the problem of the hierarchy of masses and mixings in orientifold realizations of the Standard Model. We find bottom-up brane configurations that can generate such hierarchies.
Comment: 41 pages, 1 figure, LaTeX. (V2) A new section an
Comment: 41 pages, 1 figure, LaTeX. (V2) A new section an
Externí odkaz:
http://arxiv.org/abs/0905.3044
Publikováno v:
Eur.Phys.J.C69:455-465,2010
We study a possible dark matter candidate in the framework of a minimal anomalous $U(1)'$ extension of the MSSM. It turns out that in a suitable decoupling limit the St\"uckelino, the fermionic degree of freedom of the St\"uckelberg multiplet, is the
Externí odkaz:
http://arxiv.org/abs/0811.1953
Autor:
Anastasopoulos, Pascal, Fucito, Francesco, Lionetto, Andrea, Pradisi, Gianfranco, Racioppi, Antonio, Stanev, Yassen S.
Publikováno v:
Phys.Rev.D78:085014,2008
We study an extension of the MSSM by an anomalous abelian vector multiplet and a St\"uckelberg multiplet. The anomalies are cancelled by the Green-Schwarz mechanism and the addition of Chern-Simons terms. The advantage of this choice over the standar
Externí odkaz:
http://arxiv.org/abs/0804.1156
Publikováno v:
Phys.Rev.D75:025026,2007
We study the phenomenology of the neutralino dark matter in the so called deflected anomaly mediation scenario. This scheme is obtained from the minimal anomaly mediated scenario by introducing a gauge mediated sector with $N_f$ messenger fields. Unl
Externí odkaz:
http://arxiv.org/abs/hep-ph/0611098
Publikováno v:
JCAP 0606 (2006) 002
In this paper we study the general scenario of an effective theory coming from the compactification of a higher dimensional theory in a string inspired setting. This leads to gauge coupling unification at an intermediate mass scale. After having comp
Externí odkaz:
http://arxiv.org/abs/hep-ph/0603042