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179 papers · 1 filter
An expanding universe without dark matter and dark energy
Pierre Magain
Assuming that observers located inside the Universe measure a time flow which is different from the time appearing in the Friedmann-Lemaitre equation, and determining this time flo…
First extraction of valence transversities in a collinear framework
Alessandro Bacchetta, A. Courtoy, Marco Radici
We present an extraction of the valence transversity parton distributions based on an analysis of pion-pair production in deep-inelastic scattering off transversely polarized targe…
Scalar triplet leptogenesis without right-handed neutrino decoupling
D. Aristizabal Sierra
We discuss leptogenesis in the context of type-II seesaw in the case in which in addition to the scalar electroweak triplet decays the lepton asymmetry is also induced by right-han…
On the Construction of the Inclusion Boundary Neighbourhood for Markov Equivalence Classes of Bayesian Network Structures
Vincent Auvray, Louis Wehenkel
The problem of learning Markov equivalence classes of Bayesian network structures may be solved by searching for the maximum of a scoring metric in a space of these classes. This p…
Mode visibilities in rapidly rotating stars
D. R. Reese, V. Prat, C. Barban +2
Context: Mode identification is a crucial step to comparing observed frequencies with theoretical ones, but has proven to be difficult in rapidly rotating stars. Aims: To further c…
The 2.35 year itch of Cyg OB2 #9. II. Radio monitoring
R. Blomme, Y. Naze, D. Volpi +5
Cyg OB2 #9 is one of a small set of non-thermal radio emitting massive O-star binaries. The non-thermal radiation is due to synchrotron emission in the colliding-wind region. Cyg O…