Results 81 to 90 of about 1,520,902 (172)

Gluon Wigner distributions in a light-cone spectator model

open access: yes
We study the gluon Wigner distributions of the proton which are the phase-space distributions containing the most general one-parton information. Using the proton wave functions deduced from a light-cone spectator model that contains the gluonic degree ...
Chentao Tan, Zhun Lu
core   +1 more source

Quark Wigner Distributions

open access: yes, 2011
We study the Wigner functions of the nucleon which provide multidimensional images of the quark distributions in phase space and combine in a single picture all the information contained in the generalized parton distributions (GPDs) and the transverse ...
PASQUINI, BARBARA   +2 more
core  

Shift Covariant Time-Frequency Distributions of Discrete Signals

open access: yes, 1997
Many commonly used time-frequency distributions are members of the Cohen class. This class is defined for continuous signals and since time-frequency distributions in the Cohen class are quadratic, the formulation for discrete signals is not ...
Jeffrey C. O'neill   +1 more
core  

The moving Born-Oppenheimer approximation. [PDF]

open access: yesProc Natl Acad Sci U S A
Barrera B   +3 more
europepmc   +1 more source

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