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6 papers · 1 filter
About the Lifespan of Peer to Peer Networks
R. Cilibrasi, Z. Lotker, A. Navarra +2
We analyze the ability of peer to peer networks to deliver a complete file among the peers. Early on we motivate a broad generalization of network behavior organizing it into one o…
Spallation Residues in the Reaction 56Fe + p at 0.3, 0.5, 0.75, 1.0 and 1.5 A GeV
C. Villagrasa-Canton, A. Boudard, J. -E. Ducret +35
The spallation residues produced in the bombardment of 56}Fe at 1.5, 1.0, 0.75, 0.5 and 0.3 A GeV on a liquid-hydrogen target have been measured using the reverse kinematics techni…
First principles study of the electronic and magnetic structures of the tetragonal and orthorhombic phases of Ca3Mn2O7
S. F. Matar, V. Eyert, A. Villesuzanne +1
On the basis of density functional theory electronic band structure calculations using the augmented spherical wave method, the electronic and magnetic properties of the orthorhomb…
Search for EC and ECEC processes in Se
A. S. Barabash, Ph. Hubert, A. Nachab +1
For the first time, limits on double-beta processes in Se have been obtained using a 400 cm HPGe detector and an external source consisting of natural selenium powder. A…
Semidefinite programming, multivariate orthogonal polynomials, and codes in spherical caps
Christine Bachoc, Frank Vallentin
We apply the semidefinite programming approach developed in arxiv:math.MG/0608426 to obtain new upper bounds for codes in spherical caps. We compute new upper bounds for the one-si…
Measurement of double beta decay of 100Mo to excited states in the NEMO 3 experiment
R. Arnold, C. Augier, J. Baker +51
The double beta decay of 100Mo to the 0^+_1 and 2^+_1 excited states of 100Ru is studied using the NEMO 3 data. After the analysis of 8024 h of data the half-life for the two-neutr…