Articles with "perturbative qcd" as a keyword



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Perturbative QCD and the neutron star equation of state

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Published in 2022 at "Physical Review C"

DOI: 10.1103/physrevc.107.l052801

Abstract: We construct a physics-agnostic approach to the neutron star (NS) equation of state (EoS) based on a sound speed model, which connects both low-density information from nuclear theory and high-density constraints from perturbative QCD (pQCD).… read more here.

Keywords: star equation; equation state; neutron star; perturbative qcd ... See more keywords
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Perturbative QCD and beyond: Azimuthal angle correlations in deuteron-deuteron scattering from Bose-Einstein correlations

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Published in 2017 at "Physical Review D"

DOI: 10.1103/physrevd.95.014034

Abstract: In this paper, we find, within the framework of perturbative QCD, that in deuteron-deuteron scattering Bose-Einstein correlations, due to production of two-parton showers, induce azimuthal angle correlations with three correlation lengths: the size of the… read more here.

Keywords: deuteron deuteron; deuteron scattering; ensuremath; scattering bose ... See more keywords
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Effect of resonance for $CP$ asymmetry of the decay process $\bar{B}_{s}\rightarrow P\pi^+\pi^-$ in perturbative QCD

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Published in 2018 at "Physical Review D"

DOI: 10.1103/physrevd.98.013004

Abstract: In the framework of Perturbative QCD (PQCD) approach we study the direct $CP$ asymmetry for the decay channel $\bar{B}_{s}\rightarrow P\pi^+\pi^-$ around the resonance range via the $\rho-\omega$ mixing mechanism (where P refer to pseudoscalar meson).… read more here.

Keywords: asymmetry decay; bar rightarrow; decay; resonance ... See more keywords
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Lepton angular distributions of fixed-target Drell-Yan experiments in perturbative QCD and a geometric approach

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Published in 2019 at "Physical Review D"

DOI: 10.1103/physrevd.99.014032

Abstract: The lepton angular distributions of the Drell-Yan process in fixed-target experiments are investigated by NLO and NNLO perturbative QCD. We present the calculated angular parameters $\lambda$, $\mu$, $\nu$ and the degree of violation of the… read more here.

Keywords: perturbative qcd; drell yan; lepton; fixed target ... See more keywords
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Quasi-two-body decays Bc → ηc(1S,2S)D0∗+(2400) → ηc(1S,2S)D0π+ in the perturbative QCD approach

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Published in 2019 at "International Journal of Modern Physics A"

DOI: 10.1142/s0217751x19502221

Abstract: We extend our recent works on the resonant state D0∗(2400) in the quasi-two-body B(s) meson decays to the Bc cases within the perturbative QCD approach. With the help of the two-meson distribution ... read more here.

Keywords: qcd approach; perturbative qcd; two body; quasi two ... See more keywords