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190 papers · 1 filter
Double Complexes and Cohomological Hierarchy in a Space of Weakly Invariant Lagrangians of Mechanics
O. M. Khudaverdian, D. A. Sahakyan
For a given configuration space and Lie algebra whose action is defined on , the space of weakly -invariant Lagrangians (i.e. Lagrangians whose motion equat…
Long-baseline neutrino oscillation experiments and CP violation in the lepton sector
S. M. Bilenky, C. Giunti, W. Grimus
We discuss possibilities to investigate the effects of CP (and T) violation in the lepton sector in neutrino oscillation experiments. We consider the effects of CP violation in the…
Low-mass e+e- pair production in 158 A GeV Pb-Au collisions at the CERN SPS, its dependence on multiplicity and transverse momentum
NA45 Collaboration, G. Agakichiev et al
We report a measurement of low-mass electron pairs observed in 158 GeV/nucleon Pb-Au collisions. The pair yield integrated over the range of invariant masses 0.2 < m < 2.0 GeV is e…
Asymmetry in omega meson photoproduction and the phase of omega-pi-gamma coupling
Alexander I. Titov, Yongseok Oh
We analyze the double polarization asymmetry of the omega-meson photoproduction in the vector-meson-dominance model of diffractive production and the one-pion exchange model. We fi…
Single - particle correlations in events with the total disintegration of nuclei
M. K. Suleimanov, O. B. Abdinov, A. I. Anoshin +3
New experimental data on the behaviour of the single-particle two-dimensional correlation functions R versus Q (Q is the number of nucleons emitted from nuc- lei) and Ap (Ap is the…
Compton tensor with heavy photon in the case of longitudinally polarized fermion
I. Akushevich, A. B. Arbuzov, E. A. Kuraev
The matrix element squared for Compton scattering of a heavy photon on a longitudinally polarized electron is calculated. The gauge-invariant tensor structure of the heavy photon p…