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Träfflista för sökning "WFRF:(Mayer M) ;pers:(Gupta A.)"

Search: WFRF:(Mayer M) > Gupta A.

  • Result 1-10 of 103
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1.
  • Aad, G., et al. (author)
  • 2010
  • swepub:Mat__t
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2.
  • Aad, G., et al. (author)
  • 2010
  • swepub:Mat__t
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3.
  • Aad, G., et al. (author)
  • 2011
  • swepub:Mat__t
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4.
  • Aad, G., et al. (author)
  • 2010
  • swepub:Mat__t
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5.
  • 2011
  • swepub:Mat__t
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6.
  • Aad, G., et al. (author)
  • 2010
  • swepub:Mat__t
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7.
  • Niemi, MEK, et al. (author)
  • 2021
  • swepub:Mat__t
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8.
  • Kanai, M, et al. (author)
  • 2023
  • swepub:Mat__t
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9.
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10.
  • Adam, J., et al. (author)
  • Measurement of charm and beauty production at central rapidity versus charged-particle multiplicity in proton-proton collisions at root s=7 TeV
  • 2015
  • In: Journal of High Energy Physics. - 1029-8479. ; :9
  • Journal article (peer-reviewed)abstract
    • Prompt D meson and non-prompt J/psi yields are studied as a function of the multiplicity of charged particles produced in inelastic proton-proton collisions at a centre-of-mass energy of root s = 7 TeV. The results are reported as a ratio between yields in a given multiplicity interval normalised to the multiplicity-integrated ones (relative yields). They are shown as a function of the multiplicity of charged particles normalised to the average value for inelastic collisions (relative charged-particle multiplicity). D-0, D+ and D*+ mesons are measured in five p(T) intervals from 1 GeV/c to 20 GeV/c and for |y| < 0.5 via their hadronic decays. The D-meson relative yield is found to increase with increasing charged-particle multiplicity. For events with multiplicity six times higher than the average multiplicity of inelastic collisions, a yield enhancement of a factor about 15 relative to the multiplicity-integrated yield in inelastic collisions is observed. The yield enhancement is independent of transverse momentum within the uncertainties of the measurement. The D-0-meson relative yield is also measured as a function of the relative multiplicity at forward pseudo-rapidity. The non-prompt J/psi, i.e. the B hadron, contribution to the inclusive J/psi production is measured in the di-electron decay channel at central rapidity. It is evaluated for p(T) > 1.3 GeV/c and |y| < 0.9, and extrapolated to p(T) > 0. The fraction of non-prompt J/psi the inclusive J/psi yields shows no dependence on the charged-particle multiplicity at central rapidity. Charm and beauty hadron relative yields exhibit a similar increase with increasing charged-particle multiplicity. The measurements are compared to PYTHIA 8, EPOS 3 and percolation calculations.
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  • Result 1-10 of 103

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