Femtoscopy analysis of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>d</mml:mi><mml:mtext>−</mml:mtext><mml:mi mathvariant="normal">Au</mml:mi></mml:math>interactions at<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msqrt><mml:mi>s</mml:mi></mml:msqrt><mml:mo>=</mml:mo><mml:mn>200</mml:mn></mml:mrow></mml:math>GeV

Božek, Piotr

doi:10.1103/physrevc.90.064913

Cited by 10 publications

(12 citation statements)

References 49 publications

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“…A pion pair with large momentum is emitted from a smaller fragment of the fluid with a large collective velocity. Model calculations reproduce the experimental interferometry radii in p+Pb and d+Au collisions fairly well [40,44,41,29] (Fig. 3).…”

Section: Interferometry Radiisupporting

confidence: 53%

Theory of pp/pA/small systems

Božek¹,

Broniówski²

2016

Proceedings of Fourth Annual Large Hadron Collider Physics — PoS(LHCP2016)

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Section: Interferometry Radiisupporting

confidence: 53%

Theory of pp/pA/small systems

Božek¹,

Broniówski²

2016

Proceedings of Fourth Annual Large Hadron Collider Physics — PoS(LHCP2016)

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“…In Ref [224], the ALICE collaboration has measured the three-dimensional pion femtoscopic radii in p-Pb collisions at √ s NN = 5.02 TeV, which showed that the size of the p-Pb systems is in between the ones obtained from p-p collisions and peripheral Pb-Pb collisions. In general, the hydrodynamic calculations could roughly describe the HBT measurements, while the quantitative values from different model calculations are sensitive to the initial conditions and the imprinted initial sizes of the created fireball [223,225,226].…”

Section: Results From Hydrodynamic Simulationsmentioning

confidence: 99%

Collective flow and hydrodynamics in large and small systems at the LHC

2017

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In this article, we briefly review the recent progress on collective flow and hydrodynamics in large and small systems at the Large Hadron Collider (LHC), which includes the following topics: extracting the QGP viscosity from the flow data, initial state fluctuations and final state correlations at 2.76 A TeV Pb-Pb collisions, correlations and collective flow in high energy p-Pb and p-p collisions.

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“…The off-diagonal entries other than R ol can be argued to vanish by the average azimuthal symmetry of the source. In hydrodynamic models the out-long term R ol is sensitive to spatio-temporal correlations, and therefore, to the lifetime of the source [70,71]. It couples radial and transverse expansion, and is expected to vanish in the absence of either.…”

Section: Parameterization Of the Correlation Functionmentioning

confidence: 99%

Femtoscopy with identified charged pions in proton-lead collisions at sNN=5.02 TeV with ATLAS

Aaboud¹,

Kupčo²,

Davison³

et al. 2017

Phys. Rev. C

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Femtoscopy with identified charged pions in proton-lead collisions at√ s NN = 5.02 TeV with ATLASThe ATLAS Collaboration Bose-Einstein correlations between identified charged pions are measured for p+Pb collisions at √ s NN = 5.02 TeV using data recorded by the ATLAS detector at the LHC corresponding to a total integrated luminosity of 28 nb −1 . Pions are identified using ionization energy loss measured in the pixel detector. Two-particle correlation functions and the extracted source radii are presented as a function of collision centrality as well as the average transverse momentum (k T ) and rapidity (y ππ ) of the pair. Pairs are selected with a rapidity −2 < y ππ < 1 and with an average transverse momentum 0.1 < k T < 0.8 GeV. The effect of jet fragmentation on the two-particle correlation function is studied, and a method using oppositecharge pair data to constrain its contributions to the measured correlations is described. The measured source sizes are substantially larger in more central collisions and are observed to decrease with increasing pair k T . A correlation of the radii with the local chargedparticle density is demonstrated. The scaling of the extracted radii with the mean number of participating nucleons is also used to compare a selection of initial-geometry models. The cross-term R ol is measured as a function of rapidity, and a nonzero value is observed with 5.1σ combined significance for −1 < y ππ < 1 in the most central events.1 ATLAS uses a right-handed coordinate system with its origin at the nominal interaction point (IP) in the center of the detector and the z-axis along the beam pipe. The x-axis points from the IP to the center of the LHC ring, and the y-axis points upward. Cylindrical coordinates (r, φ) are used in the transverse plane, φ being the azimuthal angle around the beam pipe. The pseudorapidity is defined in terms of the polar angle θ as η = − ln tan(θ/2). P 8) minimum-bias events are generated at a center-of-mass energy per nucleon-nucleon pair of √ s NN = 5.02 TeV. Hp+Pb The energy and boost settings are the same as in the nominal p+Pb reconstructed simulation, except that the minimum hard-scattering transverse momentum is adjusted as described in Section 4.2. This boost is applied only in the p+Pb sample. Hpp The generator is run with all settings the same as in the p+Pb sample, except that both incoming particles are protons. P8 pp [54] The set of generator parameters from ATLAS "UE AU2-CTEQ6L1" [55] is used with P 8.209, which utilizes the CTEQ 6L1 [56] parton distribution function (PDF) from LHAPDF6 [57]. Herwig ++ pp [58]The NNLO MRST PDF [59] is used with Herwig ++ 2.7.1.

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Femtoscopy analysis ofd−Auinteractions ats=200GeV

Cited by 10 publications

References 49 publications

Theory of pp/pA/small systems

Theory of pp/pA/small systems

Collective flow and hydrodynamics in large and small systems at the LHC

Femtoscopy with identified charged pions in proton-lead collisions at sNN=5.02 TeV with ATLAS

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