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Featured researches published by J. Rak.


International Journal of Modern Physics A | 2016

Fragmentation in the ϕ3 theory and the LPHD hypothesis

Karoly Urmossy; J. Rak

We present analytic solution of the Dokshitzer–Gribov–Lipatov–Altarelli–Parisi (DGLAP) equation at leading order (LO) in the ϕ3 theory in 6 space-time dimensions. If the ϕ3 model was the theory of strong interactions, the obtained solution would describe the distribution of partons in a jet. We point out that the local parton-hadron duality (LPHD) conjecture does not work in this hypothetical situation. That is, treatment of hadronisation of shower partons is essential for the description of hadron distributions in jets stemming from proton-proton (pp) collisions at s = 7 TeV and from electron-positron (e+e−) annihilations at various collision energies. We use a statistical model for the description of hadronisation.


European Physical Journal C | 2018

Prompt and non-prompt J/ψ production and nuclear modification at mid-rapidity in p–Pb collisions at sNN−−−−√=5.02 TeV

B. Chang; Dong Jo Kim; J. Rak; Sami Sakari Rasanen; M. Slupecki; T. W. Snellman; Wladyslaw Henryk Trzaska; M. Vargyas; J. Viinikainen

A measurement of beauty hadron production at mid-rapidity in proton-lead collisions at a nucleon-nucleon centre-of-mass energy


Physics Letters B | 2017

Production of muons from heavy-flavour hadron decays in p–Pb collisions at sNN=5.02TeV

B. Chang; Dong Jo Kim; J. Rak; M. Slupecki; T. W. Snellman; Wladyslaw Henryk Trzaska; M. Vargyas; J. Viinikainen

\sqrt{s_{\rm NN}}=5.02


arXiv: High Energy Physics - Experiment | 2008

From RHIC to LHC

J. Rak

TeV is presented. The semi-inclusive decay channel of beauty hadrons into J/


Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 2010

Hierarchical trigger of the ALICE calorimeters

Hans Muller; Terry Awes; Norbert Novitzky; J. Kral; J. Rak; Jo Schambach; Yaping Wang; Dong Wang; Daicui Zhou

\psi


Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 2012

L0 trigger for the EMCal detector of the ALICE experiment

J. Kral; Terry Awes; Hans Muller; J. Rak; Joachim Schambach

is considered, where the J/


Nuclear Physics | 2007

Jet Properties from Di-hadron Correlations in p+p Collisions at s=200 GeV

J. Rak

\psi


Nuclear Physics | 2013

Production anisotropy of h±, π± and p/p¯ at high-pT in Pb–Pb collisions at sNN=2.76TeV☆

J. Rak

mesons are reconstructed in the dielectron decay channel at mid-rapidity down to transverse momenta of 1.3 GeV/


Nuclear Physics | 2011

Emerging picture of hard scattering phenomena in p + p collisions at s=7TeV in ALICE

J. Rak

c


arXiv: High Energy Physics - Experiment | 2010

Jet properties from direct

Dong Jo Kim; Sami Sakari Rasanen; J. Rak

. The

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B. Chang

University of Jyväskylä

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J. Kral

University of Jyväskylä

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J. Viinikainen

University of Jyväskylä

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M. Slupecki

University of Jyväskylä

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M. Vargyas

University of Jyväskylä

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Sami Sakari Rasanen

Helsinki Institute of Physics

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T. W. Snellman

University of Jyväskylä

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Terry Awes

Oak Ridge National Laboratory

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