Search Results - "Ullio, P"

Neutralino dark matter detection in split supersymmetry scenarios by Masiero, A., Profumo, S., Ullio, P.

“…We study the phenomenology of neutralino dark matter within generic supersymmetric scenarios where the gaugino and higgsino masses are much lighter than the…”
Get full text

Observability of γ rays from dark matter neutralino annihilations in the Milky Way halo by Bergström, Lars, Ullio, Piero, Buckley, James H.

“…Recent advances in N-body simulations of cold dark matter halos point to a substantial density enhancement near the center. This means that, e.g., the γ-ray…”
Get full text

Full one-loop calculation of neutralino annihilation into two photons by Bergström, Lars, Ullio, Piero

“…For the first time, a full one-loop calculation of the process χχ → 2γ is performed, where χ is the lightest neutralino in the minimal supersymmetric extension…”
Get full text

Indirect searches for neutralino dark matter candidates in anomaly-mediated supersymmetry breaking scenarios by Ullio, P.

“…The anomaly mediated supersymmetry breaking (AMSB) scenario is a viable scheme to provide cold dark matter. We entertain the possibility that the dark halo of…”
Get full text

The Galactic center as a dark matter gamma-ray source by Cesarini, Alessandro, Fucito, Francesco, Lionetto, Andrea, Morselli, Aldo, Ullio, Piero

“…The EGRET telescope has identified a gamma-ray source at the Galactic center. We point out here that the spectral features of this source are compatible with…”
Get full text

Clumpy neutralino dark matter by Bergström, Lars, Edsjö, Joakim, Gondolo, Paolo, Ullio, Piero

Get full text

Neutralino annihilation into a photon and a Z boson by Ullio, Piero, Bergström, Lars

“…A full one-loop calculation of neutralino S-wave annihilation into the Z gamma final state is performed in the minimal supersymmetric extension of the standard…”
Get full text

Spectral gamma-ray signatures of cosmological dark matter annihilations by Bergström, L, Edsjö, J, Ullio, P

“…We propose a new signature for weakly interacting massive particle (WIMP) dark matter, a spectral feature in the diffuse extragalactic gamma-ray radiation…”
Get full text

Cosmic Antiprotons as a Probe for Supersymmetric Dark Matter? by Bergström, Lars, Edsjö, Joakim, Ullio, Piero

Get full text

A Novel Antimatter Detector Based on X-Ray Deexcitation of Exotic Atoms by Mori, Kaya, Hailey, Charles J, Baltz, Edward A, Craig, William W, Kamionkowski, Marc, Serber, William T, Ullio, Piero

Get full text

DarkSUSY 4.00 neutralino dark matter made easy by Gondolo, Paolo, Edsjö, Joakim, Ullio, Piero, Bergstrom, Lars, Schelke, Mia, Baltz, Edward A.

Get full text

Possible indications of a clumpy dark matter halo by Bergström, Lars, Edsjö, Joakim, Ullio, Piero

Get full text

Cosmological dark matter annihilations into γ rays: A closer look by Ullio, Piero, Bergström, Lars, Edsjö, Joakim, Lacey, Cedric

Get full text

Relic density calculations in mSUGRA including all coannihilations by Edsjö, Joakim, Schelke, Mia, Ullio, Piero, Gondolo, Paolo

“…We have made a very accurate calculation of the relic density of neutralino dark matter in the minimal supergravity framework. This calculation includes all…”
Get full text

Indirect searches for neutralino dark matter candidates in anomaly-mediated supersymmetry breaking scenarios by Ullio, P

Get full text

Diffuse Galactic Gamma Rays at intermediate and high latitudes. I. Constraints on the ISM properties by Cholis, I, Tavakoli, M, Evoli, C, Maccione, L, Ullio, P

“…JCAP 05 (2012) 004 We study the high latitude (|b|>10) diffuse gamma-ray emission in the Galaxy in light of the recently published data from the Fermi…”
Get full text

A running spectral index in supersymmetric dark-matter models with quasistable charged particles by Profumo, Stefano, Sigurdson, Kris, Ullio, Piero, Kamionkowski, Marc

Get full text

Just so Higgs boson by Bazzocchi, F, Fabbrichesi, M, Ullio, P

“…Phys.Rev.D75:056004,2007 We discuss a minimal extension to the standard model in which there are two Higgs bosons and, in addition to the usual fermion…”
Get full text

Search for dark matter with GLAST by Morselli, Aldo, Lionetto, Andrea, Cesarini, Alessandro, Fucito, Francesco, Ullio, Piero

“…The detection of exotic cosmic rays due to pair annihilation of dark matter particles in the Milky Way halo is a viable techniques to search for supersymmetric…”
Get full text

Dark Matter in split extended supersymmetry by Provenza, A, Quiros, M, Ullio, P

“…JCAP0612:007,2006 We consider the split extended (N=2) supersymmetry scenario recently proposed by Antoniadis et al. [hep-ph/0507192] as a realistic low energy…”
Get full text