Results 171 to 180 of about 21,627,885 (312)

Subleading heavy quark effects in a nonrelativistic quark model

open access: yesPhysical Review D, 1994
I present a very simple model, based on the model of Isgur, Scora, Grinstein and Wise \cite{ISGW}, which can be used to calculate the effects which appear at subleading order in heavy quark effective theory. I include both general formalism and specific results.
openaire   +3 more sources

Light-Front Quark Model Analysis of Meson-Photon Transition Form Factor [PDF]

open access: green, 2016
Ho-Meoyng Choi   +3 more
openalex   +1 more source

Impact of dark matter on strange quark stars described by different quark models

open access: yesEuropean Physical Journal C: Particles and Fields
Dark matter is hypothesized to interact with ordinary matter solely through gravity and may be present in compact objects such as strange quark stars. We treat strange quark stars admixed with dark matter as two-fluid systems to investigate the potential
Yida Yang, Chen Wu, Ji-Feng Yang
doaj   +1 more source

The application of the Quark-Hadron Chiral Parity-Doublet model to neutron star matter [PDF]

open access: bronze, 2017
A. Mukherjee   +3 more
openalex   +1 more source

Collider sensitivity to SMEFT heavy-quark operators at one-loop in top-quark processes

open access: yesJournal of High Energy Physics
We study the effects of four-heavy-quark operators in the production of top quarks in the framework of the Standard Model Effective Field Theory (SMEFT) at the LHC. In particular, we compute for the first time the total contribution of the four-top-quark
C. Degrande, R. Rosenfeld, A. Vasquez
doaj   +1 more source

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