Results 41 to 50 of about 11,143 (214)
Gluon polarization in nucleons [PDF]
The European Physical Journal C, 1998 22 pages ...
Saalfeld, A., Piller, G., Mankiewicz, L.
openaire +2 more sources
How to measure the linear polarization of gluons in unpolarized proton using the heavy-quark pair production [PDF]
EPJ Web of Conferences, 2019 In recent papers [1, 2], two new ways have been proposed to probe the linear polarization of gluons in unpolarized proton: using the azimuthal asymmetries and Callan-Gross ratio in heavy-quark pair leptoproduction, lN → l′QQ̅X.
Ivanov N. Ya. +2 more
doaj +1 more source
Structure en quarks et gluons du nucléon
, 1993 Quark and gluon structure of a nucleon (Structure en quarks et gluons du ...
Colonna, Jean-François
core +2 more sources
Generalized Beth–Uhlenbeck Entropy Formula From the Φ‐Derivable Approach
Contributions to Plasma Physics, EarlyView.ABSTRACT We derive a generalized Beth–Uhlenbeck formula for the entropy of a dense fermion system with strong two‐particle correlations, including scattering states and bound states. We work within the Φ‐derivable approach to the thermodynamic potential.
David Blaschke, Gerd Röpke, Gordon Baym
wiley +1 more source
Gluon decay as a mechanism for strangeness production in a quark-gluon plasma [PDF]
Physical Review C, 1995 A calculation of thermal gluon decay shows that this process contributes significantly to strangeness production in a quark-gluon plasma. Our analysis does not support recent claims that this is the dominant process. In our calculations we take into account the resummed form of the transverse and longitudinal parts of the gluon propagator following the
Bilić, N. +3 more
openaire +3 more sources
Entanglement, partial set of measurements, and diagonality of the density matrix in the parton model
SciPost Physics Proceedings, 2022 To study quantum properties of the hadron wavefunction at small x, we derived the reduced density matrix for soft gluons in the CGC framework. We explicitly showed that the reduced density matrix is not diagonal in the particle number basis.
Haowu Duan
doaj +1 more source
Work Versus Force: Simultaneous Processes for Describing Interactions
Advanced Physics Research, Volume 5, Issue 6, June 2026.ABSTRACT Achieving a unified description of interactions remains an open challenge in theoretical physics, which currently describes four fundamental forces. This situation may be viewed differently when interactions are formulated in terms of processes (work as actio) rather than forces (force as actio), not only at the macroscopic level but also at ...
Grit Kalies +2 more
wiley +1 more source
Two-Loop Gluon to Gluon-Gluon Splitting Amplitudes in QCD [PDF]
, 2004 Splitting amplitudes are universal functions governing the collinear behavior of scattering amplitudes for massless particles. We compute the two-loop g {yields} gg splitting amplitudes in QCD, N = 1, and N = 4 super-Yang-Mills theories, which describe the limits of two-loop n-point amplitudes where two gluon momenta become parallel.
openaire +1 more source
Spin-orbit entanglement in the Color Glass Condensate
Physics Letters BWe compute the spin-orbit correlations of quarks and gluons at small-x and show that the helicity and the orbital angular momentum of individual partons are strongly anti-aligned even in unpolarized or spinless hadrons and nuclei.
Shohini Bhattacharya +2 more
doaj +1 more source
Fortschritte der Physik, Volume 74, Issue 4, April 2026.Abstract String theory has strong implications for cosmology, implying the absence of a cosmological constant, ruling out single‐field slow‐roll inflation, and that black holes decay. The origins of these statements are elucidated within the string‐theoretical swampland programme.
Kay Lehnert
wiley +1 more source