CERN Accelerating science

CERN Document Server 80 εγγραφές βρέθηκαν  1 - 10επόμενοτέλος  μετάβαση στην εγγραφή: Η έρευνα πήρε 1.01 δευτερόλεπτα. 
1.
Dynamical Friction in Interacting Relativistic Systems / Katz, Andrey (CERN ; Geneva U., CAP) ; Kurkela, Aleksi (CERN ; Stavanger U.) ; Soloviev, Alexander (Vienna, Tech. U.)
We study dynamical friction in interacting relativistic systems with arbitrary mean free paths and medium constituent masses. Our novel framework recovers the known limits of ideal gas and ideal fluid when the mean free path goes to infinity or zero, respectively, and allows for a smooth interpolation between these limits. [...]
arXiv:1906.05341; CERN-TH-2019-088.- 2019-08-14 - 33 p. - Published in : JCAP 2019 (2019) 017 Fulltext: PDF;
2.
Hybrid Fluid Models from Mutual Effective Metric Couplings / Kurkela, Aleksi (CERN ; Stavanger U.) ; Mukhopadhyay, Ayan (Vienna, Tech. U. ; Indian Inst. Tech., Madras) ; Preis, Florian (Vienna, Tech. U.) ; Rebhan, Anton (Vienna, Tech. U.) ; Soloviev, Alexander (Vienna, Tech. U.)
Motivated by a semi-holographic approach to the dynamics of quark-gluon plasma which combines holographic and perturbative descriptions of a strongly coupled infrared and a more weakly coupled ultraviolet sector, we construct a hybrid two-fluid model where interactions between its two sectors are encoded by their effective metric backgrounds, which are determined mutually by their energy-momentum tensors. We derive the most general consistent ultralocal interactions such that the full system has a total conserved energy-momentum tensor in flat Minkowski space and study its consequences in and near thermal equilibrium by working out its phase structure and its hydrodynamic modes..
arXiv:1805.05213.- 2018-08-13 - 55 p. - Published in : JHEP 08 (2018) 054 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: arXiv:1805.05213 - PDF; 1805.05213 - PDF;
3.
Solving a Deconvolution Problem in Photon Spectrometry / Aleksandrov, D (Kurchatov Inst., Moscow) ; Vikhlyantsev, O (RFNC-VNIIEF, Sarov) ; Hille, P T (Oslo U.) ; Polichtchouk, B (Serpukhov, IHEP) ; Kharlov, Y (Serpukhov, IHEP) ; Sukhorukov, M (RFNC-VNIIEF, Sarov) ; Wang, D (Hua-Zhong Normal U.) ; Shabratova, G (Dubna, JINR) ; Demanov, V (RFNC-VNIIEF, Sarov) ; Wang, Y (Hua-Zhong Normal U.) et al.
We solve numerically a deconvolution problem to extract the undisturbed spectrum from the measured distribution contaminated by the finite resolution of the measuring device. A problem of this kind emerges when one wants to infer the momentum distribution of the neutral pions by detecting the it decay photons using the photon spectrometer of the ALICE LHC experiment at CERN {[}1]. [...]
2010 - Published in : Nucl. Instrum. Methods Phys. Res., A 620 (2010) 526-533
4.
Femtoscopy of $pp$ collisions at $\sqrt{s}$=0.9 and 7 TeV at the LHC with two-pion Bose-Einstein correlations / ALICE Collaboration
We report on the high statistics two-pion correlation functions from pp collisions at $\sqrt{s}$=0.9 TeV and $\sqrt{s}$=7 TeV, measured by the ALICE experiment at the Large Hadron Collider. The correlation functions as well as the extracted source radii scale with event multiplicity and pair momentum. [...]
arXiv:1101.3665; CERN-PH-EP-2010-083; CERN-PH-EP-2010-083.- 2011 - 21 p. - Published in : Phys. Rev. D 84 (2011) 112004 APS Open Access article: PDF; Author list: TEX; Fulltext: PDF; External link: Preprint
5.
Two-pion Bose-Einstein correlations in central PbPb collisions at $\sqrt{s_{NN}}$ = 2.76 TeV / ALICE Collaboration
The first measurement of two-pion Bose--Einstein correlations in central PbPb collisions at $\sqrt{s_{NN}}$ = 2.76 TeV at the Large Hadron Collider is presented. We observe a growing trend with energy now not only for the longitudinal and the outward but also for the sideward pion source radius. [...]
arXiv:1012.4035; CERN-PH-EP-ALICE-2010-006; CERN-PH-EP-2010-078; CERN-PH-EP-2010-078.- Geneva : CERN, 2013-07-16 - 10 p. - Published in : Phys. Lett. B 696 (2011) 328-337 Elsevier Open Access article: PDF; Fulltext: PDF; External link: DURHAM
6.
Production of pions, kaons and protons in pp collisions at $\sqrt{s}$ = 900 GeV with ALICE at the LHC / ALICE Collaboration
The production of $\pi^+, pi^-, K^+, K^-$, p, and $\bar{p}$ at mid-rapidity has been measured in proton-proton collisions at $\sqrt{s}$ = 900 GeV with the ALICE detector. Particle identification is performed using the specific energy loss in the inner tracking silicon detector and the time projection chamber. [...]
arXiv:1101.4110; CERN-PH-EP-2010-085; CERN-PH-EP-2010-085.- Geneva : CERN, 2011 - 30 p. - Published in : Eur. Phys. J. C 71 (2011) 1655 Author list: TEX; Fulltext: PDF; Springer Open Access article: PDF; External link: Rivet analyses reference
7.
Centrality dependence of the charged-particle multiplicity density at mid-rapidity in Pb-Pb collisions at $\sqrt{s_{NN}}$ = 2.76 TeV / ALICE Collaboration
The centrality dependence of the charged-particle multiplicity density at mid-rapidity in Pb-Pb collisions at $\sqrt{s_{NN}}$ = 2.76 TeV is presented. The charged-particle density normalized per participating nucleon pair increases by about a factor 2 from peripheral (70-80%) to central (0-5%) collisions. [...]
arXiv:1012.1657; CERN-PH-EP-2010-071; CERN-PH-EP-2010-071.- 2011 - 14 p. - Published in : Phys. Rev. Lett. 106 (2011) 032301 APS Open Access article: PDF; Fulltext: PDF; External link: Rivet analyses reference
8.
Suppression of Charged Particle Production at Large Transverse Momentum in Central Pb--Pb Collisions at $\sqrt{s_{NN}}$ = 2.76 TeV / ALICE Collaboration
Inclusive transverse momentum spectra of primary charged particles in Pb-Pb collisions at $\sqrt{s_{NN}}$ = 2.76 TeV have been measured by the ALICE Collaboration at the LHC. The data are presented for central and peripheral collisions, corresponding to 0-5% and 70-80% of the hadronic Pb-Pb cross section. [...]
arXiv:1012.1004; CERN-PH-EP-ALICE-2010-004; CERN-PH-EP-2010-066; CERN-PH-EP-2010-066.- 2013-07-16 - 10 p. - Published in : Phys. Lett. B 696 (2011) 30-39 Elsevier Open Access article: PDF; Fulltext: PDF; External link: DURHAM
9.
Strange particle production in proton-proton collisions at $\sqrt{s}$ = 0.9 TeV with ALICE at the LHC / ALICE Collaboration
The production of mesons containing strange quarks (K0 S, f ) and both singly and doubly strange baryons (L, L, and X−+X+) are measured at central rapidity in pp collisions at √s = 0.9 TeV with the ALICE experiment at the LHC. The results are obtained from the analysis of about 250 k minimum bias events recorded in 2009 [...]
arXiv:1012.3257; CERN-PH-EP-2010-065; CERN-PH-EP-2010-065.- Geneva : CERN, 2011 - 34 p. - Published in : Eur. Phys. J. C 71 (2011) 1594 Fulltext: authors-EPJ - TEX; arXiv:1012.3257 - PDF; Springer Open Access article: PDF; External link: Rivet analyses reference
10.
Charged-particle multiplicity density at mid-rapidity in central Pb-Pb collisions at $\sqrt{s_{NN}}$ = 2.76 TeV / ALICE Collaboration
The first measurement of the charged-particle multiplicity density at mid-rapidity in Pb-Pb collisions at a centre-of-mass energy per nucleon pair sqrt(sNN) = 2.76 TeV is presented. For an event sample corresponding to the most central 5% of the hadronic cross section the pseudo-rapidity density of primary charged particles at mid-rapidity is 1584 +- 4 (stat) +- 76 (sys.), which corresponds to 8.3 +- 0.4 (sys.) per participating nucleon pair. [...]
arXiv:1011.3916; CERN-PH-EP-2010-060; CERN-PH-EP-2010-060.- Geneva : CERN, 2010 - 10 p. - Published in : Phys. Rev. Lett. 105 (2010) 252301 APS Open Access article: PDF; Fulltext: PDF; External link: Preprint

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