نتایج جستجو برای: quark model
تعداد نتایج: 2123457 فیلتر نتایج به سال:
We calculate the soft contribution to high energy quark-quark scattering that arises from an instanton-induced quark anomalous chromomagnetic moment. We demonstrate that this is a large contribution, which cannot be neglected for transverse momenta of a few GeV. We discuss the influence of this effect on inclusive particle production. [email protected]
چکیده ندارد.
We explore the possibility of a structured hadron-quark mixed phase forming in interior neutron stars. The quark-meson coupling (QMC) model, which explicitly incorporates internal quark structure nucleon, is employed to describe hadronic phase, while described by same bag model as one used QMC framework, so keep consistency between two coexisting phases. analyze effect appearance pasta phases o...
Measuring shear viscosity using transverse momentum correlations in relativistic nuclear collisions.
Elliptic flow measurements at the Brookhaven National Laboratory Relativistic Heavy Ion Collider suggest that quark-gluon fluid flows with very little viscosity compared to weak-coupling expectations, challenging theorists to explain why this fluid is so nearly "perfect." It is therefore vital to find quantitative experimental information on the viscosity of the fluid. We propose that measureme...
A search for new heavy particles manifested as resonances in two-jet final states is presented. The data were produced in 7 TeV proton-proton collisions by the LHC and correspond to an integrated luminosity of 315 nb⁻¹ collected by the ATLAS detector. No resonances were observed. Upper limits were set on the product of cross section and signal acceptance for excited-quark (q*) production as a ...
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