Production of charged pions, kaons and protons at large transverse momenta in pp and Pb–Pb collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.gif" overflow="scroll"><mml:msqrt><mml:msub><mml:mrow><mml:mi>s</mml:mi></mml:mrow><mml:mrow><mml:mi mathvariant="normal">NN</mml:mi></mml:mrow></mml:msub></mml:msqrt><mml:mo>=</mml:mo><mml:mn>2.76</mml:mn><mml:mtext> TeV</mml:mtext></mml:math>

Abelev, B.; Adam, J.; Adamová, D.; Aggarwal, M. M.; Rinella, G. Aglieri; Agnello, M.; Agostinelli, A.; Agrawal, Neelima; Ahammed, Z.; Ahmad, N.; Masoodi, A. Ahmad; Ahmed, I.; Ahn, S. U.; Aimo, I.; Aiola, S.; Ajaz, M.; Akindinov, A.; Aleksandrov, Dmitry; Alessandro, B.; Alexandre, D.; Alici, A.; Alkin, A.; Alme, J.; Alt, T.; Altini, V.; Altinpinar, S.; Altsybeev, I.; Prado, C. Alves Garcia; Andrei, C.; Andronic, A.; Anguelov, V.; Anielski, J.; Antičić, T.; Antinori, F.; Antonioli, P.; Aphecetche, L.; Appelshäuser, H.; Arbor, N.; Arcelli, S.; Armesto, N.; Arnaldi, R.; Aronsson, T.; Arsene, I. C.; Arslandok, M.; Augustinus, A.; Averbeck, R.; Awes, T. C.; Azmi, M. D.; Bach, M.; Badalà, A.; Baek, Yongwook; Bagnasco, S.; Bailhache, R.; Bairathi, V.; Bala, R.; Baldisseri, A.; Pedrosa, F. Baltasar Dos Santos; Bán, J.; Baral, R. C.; Barbera, R.; Barile, F.; Barnaföldi, G. G.; Barnby, L. 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doi:10.1016/j.physletb.2014.07.011

Cited by 231 publications

(233 citation statements)

References 49 publications

Supporting

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209

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“…A closer look at the low momentum spectra is offered in Fig. 3 where the PHSD spectra for pions and kaons are compared to results of the ALICE Collaboration [58,59,60]. We recall, furthermore, that the charged particle pseudo-rapidity density dN ch /dη at midrapidity from PHSD matches well the experimental centrality dependence from ALICE when displayed as a function of the number of participants N part (cf.…”

Section: Extensions @ Lhcmentioning

confidence: 57%

Impact of the initial size of spatial fluctuations on the collective flow in Pb–Pb collisions at $\sqrt{{{s}_{{\rm NN}}}}$ = 2.76 TeV

Konchakovski¹,

Cassing²,

Тонеев³

2015

J. Phys. G: Nucl. Part. Phys.

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Abstract. The Parton-Hadron-String-Dynamics (PHSD) transport model is used to study the influence of the initial size of spatial fluctuations of the interacting system on flow observables in Pb-Pb collisions at √ s N N = 2.76 TeV for different centralities. While the flow coefficients v 2 , v 3 , v 4 and v 5 are reasonably described in comparison to the data from the ALICE Collaboration for different centralities within the default setting, no essential sensitivity is found with respect to the initial size of spatial fluctuations even for very central collisions where the flow coefficients are dominated by the size of initial state fluctuations. We attribute this lack of sensitivity partly to the low interaction rate of the degrees-of-freedom in this very early phase of order ∼ 0.3 fm/c which is also in common with the weakly interacting color glass condensate (CGC) or glasma approach. Moreover, since the event shape in the transverse plane is approximately the same for different size of spatial fluctuations very similar eccentricities ǫ n are transformed to roughly the same flow coefficients v n in momentum space.PACS numbers: 24.85.+p, 12.38.Mh

show abstract

Section: Extensions @ Lhcmentioning

confidence: 57%

Impact of the initial size of spatial fluctuations on the collective flow in Pb–Pb collisions at $\sqrt{{{s}_{{\rm NN}}}}$ = 2.76 TeV

Konchakovski¹,

Cassing²,

Тонеев³

2015

J. Phys. G: Nucl. Part. Phys.

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show abstract

“…At high p T , the observed suppression is attributed to an increasing energy loss in the medium with centrality. Agreement of R AA between the neutral pions and the charged pions, kaons and protons is observed at high p T [14].…”

Section: Tevmentioning

confidence: 77%

“…9, the η/π 0 ratio is compared to the corresponding measurement in pp collisions at √ s = 7 TeV (left panel), to the pQCD predictions (middle panel, [2]) and to the ratio K ± /π ± at the same centre-of-mass energy (right panel, [14]). A similar magnitude for the ratio is observed in both pp and Pb−Pb collisions, consistent with pQCD within the current experimental uncertainties [11].…”

Section: Th Quark Confinement and The Hadron Spectrummentioning

confidence: 99%

Neutral meson production measurements with the ALICE at the LHC

Ganoti

2017

EPJ Web Conf.

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Abstract. Identified hadron spectra are considered to be sensitive to the transport properties of strongly interacting matter produced in high-energy nucleus-nucleus collisions. π 0 and η mesons in ALICE are identified via their two-photon decays by using calorimeters and the central tracking system. In the latter, photons are measured via their conversion to electron-positron pairs in the material of the inner ALICE barrel tracking detectors. The measured production spectra in pp, p−Pb and Pb−Pb collisions at mid−rapidity and over a wide p T range will be presented in the available Large Hadron Collider (LHC) energies of Run I. The resulting nuclear modification factor R AA at different centrality classes shows a clear pattern of strong suppression in the hot QCD medium with respect to pp collisions. Comparison of the ALICE results on neutral mesons with lower-energy experiments is also discussed.

show abstract

“…Even the hydro part We have plotted the experimental data from Refs. [59,60] in body-body configuration is larger than the overall multiplicity in tip-tip configuration in most peripheral events.…”

Section: Pseudorapidity Distributionsmentioning

confidence: 88%

Transverse momentum distribution and elliptic flow of charged hadrons in $$U+U$$ U + U collisions at $$\sqrt{s_{NN}}=193$$ s NN = 193 GeV using HYDJET++

et al. 2018

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Recent experimental observations of the charged hadron properties in U + U collisions at 193 GeV contradict many of the theoretical models of particle production including two-component Monte Carlo Glauber model. The experimental results show a small correlation between the charged hadron properties and the initial geometrical configurations (e.g. body-body, tip-tip etc.) of U +U collisions. In this article, we have modified the Monte Carlo HYDJET++ model to study the charged hadron production in U + U collisions at 193 GeV center-of-mass energy in tip-tip and body-body initial configurations. We have modified the hard as well as soft production processes to make this model suitable for U + U collisions. We have calculated the pseudorapidity distribution, transverse momentum distribution and elliptic flow distribution of charged hadrons with different control parameters in various geometrical configurations possible for U + U collision. We find that HYDJET++ model supports a small correlation between the various properties of charged hadrons and the initial geometrical configurations of U + U collision. Further, the results obtained in modified HYDJET++ model regarding dn ch /dη and elliptic flow (v 2 ) suitably matches with the experimental data of U + U collisions in minimum bias configuration.

show abstract

Production of charged pions, kaons and protons at large transverse momenta in pp and Pb–Pb collisions at sNN=2.76 TeV

Cited by 231 publications

References 49 publications

Impact of the initial size of spatial fluctuations on the collective flow in Pb–Pb collisions at $\sqrt{{{s}_{{\rm NN}}}}$ = 2.76 TeV

Impact of the initial size of spatial fluctuations on the collective flow in Pb–Pb collisions at $\sqrt{{{s}_{{\rm NN}}}}$ = 2.76 TeV

Neutral meson production measurements with the ALICE at the LHC

Transverse momentum distribution and elliptic flow of charged hadrons in $$U+U$$ U + U collisions at $$\sqrt{s_{NN}}=193$$ s NN = 193 GeV using HYDJET++

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