Results 201 to 210 of about 142,364 (240)

Decorrelation using optimal transport. [PDF]

open access: yesEur Phys J C Part Fields
Algren M, Raine JA, Golling T.
europepmc   +1 more source

Flavor's Delight. [PDF]

open access: yesEntropy (Basel)
Nilles HP, Ramos-Sánchez S.
europepmc   +1 more source

Evidence for intrinsic charm quarks in the proton [PDF]

open access: yesNature, 2022
The theory of the strong force, quantum chromodynamics, describes the proton in terms of quarks and gluons. The proton is a state of two up quarks and one down quark bound by gluons, but quantum theory predicts that in addition there is an infinite ...
Alessandro Candido   +2 more
exaly   +2 more sources

Observation of Higgs Boson Decay to Bottom Quarks [PDF]

open access: yesPhysical Review Letters, 2018
The observation of the standard model (SM) Higgs boson decay to a pair of bottom quarks is presented. The main contribution to this result is from processes in which Higgs bosons are produced in association with a W or Z boson (VH), and are searched for ...
P Rebello Teles   +2 more
exaly   +2 more sources
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Calcium quarks

Frontiers in Bioscience, 2002
Elementary subcellular Ca2+ signals arising from the opening of single ion channels may offer the possibility to examine the stochastic behavior and the microscopic chemical reaction rates of these channel proteins in their natural environment. Such an analysis can yield detailed information about the molecular function that cannot be derived from ...
Ernst, Niggli, Marcel, Egger
openaire   +2 more sources

Quark-Quark Interaction and the Nonrelativistic Quark Model

Physical Review Letters, 1980
This Letter demonstrates that the nonrelativistic approximation breaks down for the lighter hadrons with the conventional $\mathrm{qq}$ one-gluon exchnage potential. This is mainly due to the Coulomb and the short-range hyperfine interactions. To overcome this difficulty, some phenomenological interactions with a long-range spin dependence are proposed.
R. K. Bhaduri, L. E. Cohler, Y. Nogami
openaire   +1 more source

Remarks on quark-quark and quark-antiquark potentials

Physical Review D, 1982
The quark-quark potential in antisymmetrical color states and the quark-antiquark potential in color-singlet states are given to the fourth order in perturbative quantum chromodynamics. We have also corrected an error involving the charge conjugation of color matrices in our recent derivation of the quark-antiquark potential for arbitrary color states.
Suraj N. Gupta, Stanley F. Radford
openaire   +1 more source

Quark-quark potential from chiral symmetry

Physical Review C, 1995
Based on symmetry consideration, more generalized chiral field terms are proposed to restore the chiral SU(2)(L)xSU(2)(R) symmetry of strong interaction. As a result, a modified quark-quark interaction is obtained. Applying this interaction to nucleon-nucleon scattering, the agreement between the theoretical phase shifts of partial waves and ...
, Yu, , Zhang, , Shen, , Dai
openaire   +2 more sources

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