Measurement of heavy flavor production and azimuthal anisotropy in small and large systems with ATLAS [Elektronisk resurs]
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Hu, Qipeng (författare)
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Asimakopoulou, Eleni M. (författare)
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Bergeås Kuutmann, Elin, 1980- (författare)
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Bokan, Petar (författare)
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Brenner, Richard (författare)
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Ekelöf, Tord (författare)
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Ellert, Mattias (författare)
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Ferrari, Arnaud, 1973- (författare)
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Gradin, P. O. Joakim (författare)
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Isacson, Max (författare)
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Mårtensson, Mikael U. F. (författare)
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Sales De Bruin, Pedro (författare)
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Zwalinski, L. (författare)
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Uppsala universitet Teknisk-naturvetenskapliga vetenskapsområdet (utgivare)
- Publicerad: 2019
- Engelska.
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Ingår i: Nuclear Physics A. - 0375-9474. ; 982, 687-690
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Sammanfattning
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- Heavy-flavor hadron production and collective motion in A+A collisions provide insight into the energy loss mechanism and transport properties of heavy quarks in the QGP. The same measurements in p+A collisions serve as an important baseline for understanding the observations in A+A collisions. For example, detailed studies of heavy-flavor hadron azimuthal anisotropy in p+A collisions may help to address whether the observed long-range "ridge" correlation arises from hard or semi-hard processes, or if it is the result of mechanisms unrelated to the initial hardness scale. These proceedings summarize heavy-flavor hadron production, via their semi-leptonic decay to muons in 2.76 TeV Pb+Pb and pp collisions, non-prompt J/psi in 5.02 TeV Pb+Pb and pp collisions, and prompt D-0 mesons in 8.16 TeV p+Pb collisions using ATLAS detector at the LHC. Azimuthal anisotropy of heavy-flavor hadrons is studied via their decay muons in 2.76 TeV Pb+Pb and 8.16 TeV p+Pb collisions, and via non-prompt J/psi in 5.02 TeV Pb+Pb collisions. Strong suppression of heavy-flavor hadron production and azimuthal anisotropy are observed in Pb+Pb collisions, while significant azimuthal anisotropy of heavy-flavor muons is observed in p+Pb collisions, without evidence of the modification of their production rates.
Ämnesord
- Natural Sciences (hsv)
- Physical Sciences (hsv)
- Subatomic Physics (hsv)
- Naturvetenskap (hsv)
- Fysik (hsv)
- Subatomär fysik (hsv)
Genre
- government publication (marcgt)
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