Showing 21 - 40 results of 222 for search '"quark"', query time: 0.03s Refine Results
  1. 21

    Constituent Quark Scaling of Strangeness Enhancement in Heavy-Ion Collisions by Nirbhay K. Behera, Raghunath Sahoo, Basanta K. Nandi

    Published 2013-01-01
    “…In the framework of a nuclear overlap model, we estimate the number of nucleons and quark participants in proton-proton, proton-nucleus, and nucleus-nucleus collisions. …”
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  2. 22

    Quark-Antiquark Potential from a Deformed AdS/QCD by Rodrigo C. L. Bruni, Eduardo Folco Capossoli, Henrique Boschi-Filho

    Published 2019-01-01
    “…In this work we calculate the static limit of the energy for a quark-antiquark pair from the Nambu-Goto action using a holographic approach with a deformed AdS space, with warp factor exp⁡{(κz)n/n}. …”
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  3. 23

    Bound State of Heavy Quarks Using a General Polynomial Potential by Hesham Mansour, Ahmed Gamal

    Published 2018-01-01
    “…In the present work, the mass spectra of the bound states of heavy quarks cc-,bb-, and Bc meson are studied within the framework of the nonrelativistic Schrödinger’s equation. …”
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  4. 24

    Diffusion of heavy quarks in the early stage of high-energy nuclear collisions by Pooja, Das Santosh Kumar, Greco Vincenzo, Ruggieri Marco

    Published 2025-01-01
    “…We study the diffusion of heavy quarks in the early stage of highenergy nuclear collisions. …”
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  5. 25

    Soft Gluon Radiation off Heavy Quarks beyond Eikonal Approximation by Trambak Bhattacharyya, Surasree Mazumder, Raktim Abir

    Published 2016-01-01
    “…We calculate the soft gluon radiation spectrum off heavy quarks (HQs) interacting with light quarks (LQs) beyond small angle scattering (eikonality) approximation and thus generalize the dead-cone formula of heavy quarks extensively used in the literatures of Quark-Gluon Plasma (QGP) phenomenology to the large scattering angle regime which may be important in the energy loss of energetic heavy quarks in the deconfined Quark-Gluon Plasma medium. …”
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  6. 26

    Search for the Anomalous Interactions of Up-Type Heavy Quarks in γγ Collision at the LHC by M. Köksal, S. C. İnan

    Published 2014-01-01
    “…We investigate the anomalous interactions of heavy up-type quark t′ in a γγ collision at the LHC. We have obtained 95% confidence level (CL) limit of t′qγ (q=u,c) anomalous coupling by taking into account three forward detector acceptances: 0.0015<ξ<0.15, 0.0015<ξ<0.5, and 0.1<ξ<0.5.…”
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  7. 27

    Magnetic Moments of 70-Plet Baryons in Quark Model and QCD Sum Rules by T. M. Aliev, V. S. Zamiralov

    Published 2015-01-01
    “…Magnetic moments of the positive parity 70-plet baryons are estimated in the framework of the nonrelativistic quark model and QCD sum rules method. It is found that the magnetic moments of the 70-plet baryons can be expressed in terms of the F and D couplings and exhibit unitary symmetry. …”
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  8. 28

    Quark-Nova Explosion inside a Collapsar: Application to Gamma Ray Bursts by Rachid Ouyed, Denis Leahy, Jan Staff, Brian Niebergal

    Published 2009-01-01
    “…If a quark-nova occurs inside a collapsar, the interaction between the quark-nova ejecta (relativistic iron-rich chunks) and the collapsar envelope leads to features indicative of those observed in Gamma Ray Bursts. …”
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  9. 29

    Gluon decay into heavy quark pair under a strong magnetic field by Chen Shile, Zhao Jiaxing, Zhuang Pengfei

    Published 2025-01-01
    “…Due to the extreme large magnetic field produced in the initial stage of non-central heavy-ion collision, the dynamical process of gluon decay into heavy quark pair will take place under an external field rather than in vacuum. …”
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  10. 30

    Screening length of a heavy quark–antiquark pair in non-commutative plasma by Ping-ping Wu, Xiangrong Zhu, Zi-qiang Zhang

    Published 2024-12-01
    “…Abstract We investigate the screening length of a heavy quark–antiquark ( $$Q{\bar{Q}}$$ Q Q ¯ ) pair in non-commutative $${\mathcal {N}}=4$$ N = 4 super Yang–Mills plasma at strong coupling. …”
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  11. 31

    A Relativistic Compact Stellar Model of Anisotropic Quark Matter Mixed with Dark Energy by Theophanes Grammenos, Farook Rahaman, Saibal Ray, Debabrata Deb, Sourav Roy Chowdhury

    Published 2021-01-01
    “…Our investigation shows that quark matter atcs as dark energy after a certain yet unknown critical condition inside the quark stars. …”
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  12. 32

    Effects of the FCNC Couplings in Production of New Heavy Quarks within Z′ Models at the LHC by V. Çetinkaya, V. Arı, O. Çakır

    Published 2016-01-01
    “…For FCNC mixing parameter x=0.1 and the Z′ mass MZ′=2000 GeV and new heavy quark mass mt′=700 GeV at the LHC with s=13 TeV, we find the cross section for single production of new heavy quarks associated with top quarks as 5.8 fb, 3.3 fb, 1.5 fb, and 1.2 fb within the Zη′, Zψ′, ZLP′, and Zχ′ models, respectively. …”
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  13. 33

    Charge Radii and Quadrupole Moments of the Low-Lying Baryons in the Chiral Constituent Quark Model by Neetika Sharma, Harleen Dahiya

    Published 2013-01-01
    “…The implications of such a model have been investigated in detail for the effects of symmetry breaking and GPM parameters pertaining to the one-, two-, and three-quark contributions. Our results are not only comparable with the latest experimental studies but also agree with other phenomenological models. …”
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  14. 34

    The role of strangeness in heavy-quark hadronisation from small to large collision systems with ALICE by Faggin Mattia

    Published 2025-01-01
    “…Production measurements of strange hadrons originating from the hadronisation of charm quarks (prompt) and from beauty-hadron decays (nonprompt) offer a unique tool to study the heavy-quark hadronisation across different collision systems. …”
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  15. 35

    Precision tests of third-generation four-quark operators: one- and two-loop matching by Ulrich Haisch, Luc Schnell

    Published 2025-02-01
    “…Abstract We calculate the one- and two-loop matching corrections in the Standard Model effective field theory (SMEFT) that impact electroweak precision measurements and flavour physics observables, focusing on the contributions of third-generation four-quark operators. Our results provide a crucial ingredient for a model-independent analysis of constraints on beyond the Standard Model physics that primarily affects the sector of third-generation four-quark operators. …”
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  16. 36

    Study of Rare Semileptonic Bc+→D+νν- Decay in the Light-Cone Quark Model by Nisha Dhiman, Harleen Dahiya

    Published 2018-01-01
    “…We study the exclusive semileptonic rare Bc+→D+νν¯ decay in the framework of light-cone quark model. The transition form factors f+(q2) and fT(q2) are evaluated in the timelike region using the analytic continuation method in q+=0 frame. …”
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