Results 191 to 200 of about 200,127 (222)
GenAI synthetic data create ethical challenges for scientists. Here's how to address them. [PDF]
Proc Natl Acad Sci U S AResnik DB +4 more
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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
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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
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Quark-Quark Interaction and the Nonrelativistic Quark Model
Physical Review Letters, 1980This 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
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Remarks on quark-quark and quark-antiquark potentials
Physical Review D, 1982The 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
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Quark-quark potential from chiral symmetry
Physical Review C, 1995Based 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
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International Journal of Modern Physics A, 2015
A short history of the physics of strongly interacting particles is presented. Events leading to the discovery, and eventual acceptance, of concrete quarks are described. (Other aspects of quark history are given in Refs. 1 and 2.)
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A short history of the physics of strongly interacting particles is presented. Events leading to the discovery, and eventual acceptance, of concrete quarks are described. (Other aspects of quark history are given in Refs. 1 and 2.)
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Quark-quark and quark-antiquark potentials
Physical Review D, 1981Suraj N. Gupta, Stanley F. Radford
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Evidence for intrinsic charm quarks in the proton
Nature, 2022, Juan Cruz-Martinez, Felix Hekhorn
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