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    Baryon spectra and antiparticle-to-particle ratios from the improved AMPT model

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    Author
    He, Yuncun; Lin, Zi-Wei
    Abstract
    The current version of a multi-phase transport (AMPT) model with string melting can reasonably describe the dN/dy yields, pT spectra and anisotropic flows of pions and kaons at low pT in heavy ion collisions at RHIC and LHC energies, although it failed to reproduce the dN/dy and pT spectra of baryons. In this work, we improve the quark coalescence mechanism in AMPT by removing the forced separate number conservations of mesons, baryons and antibaryons in each event. We find that the improved AMPT model can better describe the yields at midrapidity, the pT spectra and elliptic flow of low-pT baryons in comparison with the experimental data. Antiparticle-to-particle ratios of strange baryons are also significantly improved.
    URI
    http://hdl.handle.net/10342/8382
    Date
    2018-02-02
    Citation:
    APA:
    He, Yuncun, & Lin, Zi-Wei. (February 2018). Baryon spectra and antiparticle-to-particle ratios from the improved AMPT model. , (), - . Retrieved from http://hdl.handle.net/10342/8382

    Display/Hide MLA, Chicago and APA citation formats.

    MLA:
    He, Yuncun, and Lin, Zi-Wei. "Baryon spectra and antiparticle-to-particle ratios from the improved AMPT model". . . (), February 2018. May 29, 2023. http://hdl.handle.net/10342/8382.
    Chicago:
    He, Yuncun and Lin, Zi-Wei, "Baryon spectra and antiparticle-to-particle ratios from the improved AMPT model," , no. (February 2018), http://hdl.handle.net/10342/8382 (accessed May 29, 2023).
    AMA:
    He, Yuncun, Lin, Zi-Wei. Baryon spectra and antiparticle-to-particle ratios from the improved AMPT model. . February 2018; (): . http://hdl.handle.net/10342/8382. Accessed May 29, 2023.
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