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10 papers · 2 filters
Scenarios of Gravitino Dark Matter and their Cosmological and Particle Physics Implications
G. Moultaka
I report on some scenarios where the gravitino is the dark matter and the supersymmetry breaking mediated by a gauge sector.
Freeze-In Production of FIMP Dark Matter
Lawrence J. Hall, Karsten Jedamzik, John March-Russell +1
We propose an alternate, calculable mechanism of dark matter genesis, "thermal freeze-in," involving a Feebly Interacting Massive Particle (FIMP) interacting so feebly with the the…
Associated production of charged Higgs and top at LHC: the role of the complete electroweak supersymmetric contribution
M. Beccaria, G. Macorini, L. Panizzi +2
The process of charged Higgs production in association with a top quark at the LHC has been calculated at the complete NLO electroweak level both in a Two Higgs Doublets Model and…
Gluonic Colour Singlets in QCD
M. L. Walker
We argue that certain specific gluon excitations, other than conventional glueballs, can propagate freely outside of hadrons and glueballs. We begin with the result that the Abelia…
Big Bang Nucleosynthesis and Particle Dark Matter
Karsten Jedamzik, Maxim Pospelov
We review how our current understanding of the light element synthesis during the Big Bang Nucleosynthesis era may help shed light on the identity of particle dark matter.
Gluonium nature of the sigma/f_0(600) from its coupling to KK
R. Kaminski, G. Mennessier, S. Narison
We extract the K+K- couplings of the isoscalar scalar mesons sigma/f_0(600) and f_0(980) from pi pi to pi pi / K K scatterings and found: |g_{sigma K+K-}|/ |g_{sigma pi+pi-}|= 0.8…