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32 papers · 1 filter
Gonality, Clifford index and multisecants
Ph. Ellia, D. Franco
We show, among other things, that in most cases the gonality of a subcanonical curve in projective-three space is computable by multisecants.
BeppoSAX observations of an orbital cycle of the X-ray binary pulsar GX301-2
M. Orlandini, D. Dal Fiume, F. Frontera +4
We present preliminary results on our campaign of observations of the X-ray binary pulsar GX301-2. BeppoSAX observed this source six times in January/February 1998: at the periastr…
The optical/IR counterpart of the 3 July 1998 gamma-ray burst and its evolution
A. J. Castro-Tirado, M. R. Zapatero-Osorio, J. Gorosabel +21
We imaged the X-ray error box of GRB 980703, beginning 22.5 hours after the gamma--ray event, in both the optical R and near-infrared H bands. A fading optical/IR object was detect…
Light Pair Correction to Bhabha Scattering at Small Angle
G. Montagna, M. Moretti, O. Nicrosini +2
This work deals with the computation of electron pair correction to small angle Bhabha scattering, in order to contribute to the improvement of luminometry precision at LEP/SLC bel…
Observation of a Coherence Length Effect in Exclusive Rho^0 Electroproduction
K. Ackerstaff
Exclusive incoherent electroproduction of the rho^0(770) meson from 1H, 2H, 3He, and 14N targets has been studied by the HERMES experiment at squared four-momentum transfer Q**2>0.…
Bounds on hep neutrinos
G. Fiorentini, V. Berezinsky, S. Degl'Innocenti +1
The excess of highest energy solar-neutrino events recently observed by Superkamiokande can be in principle explained by anomalously high -neutrino flux . Without us…