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95 papers · 1 filter
Neutron single spin asymmetries from semi-inclusive deep inelastic scattering off transversely polarized He
Sergio Scopetta
A study of semi-inclusive deep inelastic scattering off transversely polarized He is presented. The formal expressions of the Collins and Sivers contributions to the azimuthal…
Generalized parton distributions of few body systems
Sergio Scopetta
The relevance of measuring Generalized Parton Distributions (GPDs) for few nucleon systems is illustrated. An approach which permits to calculate the GPDs of hadrons made of compos…
Generalized parton distributions of hadrons with composite constituents
Sergio Scopetta
A method is described for calculating the Generalized Parton Distributions (GPDs) of spin 1/2 hadrons made of composite constituents, in an Impulse Approximation framework. GPDs ar…
Measurement of the B0 --> pi l nu Form-Factor Shape and Branching Fraction, and Determination of |Vub| with a Loose Neutrino Reconstruction Technique
B. Aubert et al.
We report the results of a study of the exclusive charmless semileptonic decay, B --> pi l nu, undertaken with approximately 227 million BBbar pairs collected at the Upsilon(4S) re…
Multi-frequency monitoring of gamma-ray loud blazars: I. Light curves and spectral energy distributions
U. Bach, C. M. Raiteri, M. Villata +23
Context: Being dominated by non-thermal emission from aligned relativistic jets, blazars allow us to elucidate the physics of extragalactic jets, and, ltimately, how the energy is…
Evidence for B0->rho0rho0 Decay and Implications for the CKM Angle alpha
The BABAR Collaboration, B. Aubert
We search for the decays B0->rho0rho0, B0->rho0f0, and B0->f0f0 in a sample of about 384 million Upsilon(4S)->BBbar decays collected with the BABAR detector at the PEP-II asymmetri…