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CERN Document Server 166 notices trouvées  1 - 10suivantfin  aller vers la notice: La recherche a duré 1.23 secondes. 
1.
Hyperon Polarization along the Beam Direction Relative to the Second and Third Harmonic Event Planes in Isobar Collisions at <math display="inline"><mrow><msqrt><mrow><msub><mrow><mi>s</mi></mrow><mrow><mi>N</mi><mi>N</mi></mrow></msub></mrow></msqrt><mo>=</mo><mn>200</mn><mtext> </mtext><mtext> </mtext><mi>GeV</mi></mrow></math> / STAR Collaboration
The polarization of $\Lambda$ and $\bar{\Lambda}$ hyperons along the beam direction has been measured relative to the second and third harmonic event planes in isobar Ru+Ru and Zr+Zr collisions at $\sqrt{s_{NN}}$ = 200 GeV. This is the first experimental evidence of the hyperon polarization by the triangular flow originating from the initial density fluctuations. [...]
arXiv:2303.09074.- 2023-11-14 - 7 p. - Published in : Phys. Rev. Lett. 131 (2023) 202301 Fulltext: PDF;
2.
Search for the chiral magnetic wave using anisotropic flow of identified particles at energies available at the BNL Relativistic Heavy Ion Collider / STAR Collaboration
The chiral magnetic wave (CMW) has been theorized to propagate in the deconfined nuclear medium formed in high-energy heavy-ion collisions, and to cause a difference in elliptic flow ($v_{2}$) between negatively and positively charged hadrons. Experimental data consistent with the CMW have been reported by the STAR Collaboration at the Relativistic Heavy Ion Collider (RHIC), based on the charge asymmetry dependence of the pion $v_{2}$ from Au+Au collisions at $\sqrt{s_{\rm NN}}$ = 27 to 200 GeV. [...]
arXiv:2210.14027.- 2023-07-14 - 11 p. - Published in : Phys. Rev. C Fulltext: PDF;
3.
Production of K$^{*}(892)^{0}$ and $\phi(1020)$ in pp and Pb$-$Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV / ALICE Collaboration
The production of K$^{*}(892)^{0}$ and $\phi(1020)$ mesons in proton-proton (pp) and lead-lead (Pb$-$Pb) collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV has been measured using the ALICE detector at the Large Hadron Collider (LHC). The transverse momentum ($p_{\mathrm{T}}$) distributions of K$^{*}(892)^{0}$ and $\phi(1020)$ mesons have been measured at mid-rapidity $(|y|<0.5)$ up to $p_{\mathrm{T}}$ $=$ 20 GeV$/c$ in inelastic pp collisions and for several Pb$-$Pb collision centralities. [...]
arXiv:2106.13113; CERN-EP-2021-101.- Geneva : CERN, 2022-09-14 - 20 p. - Published in : Phys. Rev. C 106 (2022) 034907 Draft (restricted): PDF; Fulltext: 2106.13113 - PDF; PhysRevC.106.034907 - PDF;
4.
Evidence of rescattering effect in Pb-Pb collisions at the LHC through production of $\rm{K}^{*}(892)^{0}$ and $\phi(1020)$ mesons / ALICE Collaboration
Measurements of K∗ (892) 0 and φ(1020)resonance production in Pb–Pb and pp collisions at √ sNN = 5.02 TeV with the ALICE detector at the Large Hadron Collider are reported. The resonances are measured at midrapidity (|y| < 0.5) via their hadronic decay channels and the transverse momentum (pT) distributions are obtained for various collision centrality classes up to pT = 20 GeV/c. [...]
arXiv:1910.14419; CERN-EP-2019-249.- Geneva : CERN, 2020-03-10 - 14 p. - Published in : Phys. Lett. B 802 (2020) 135225 Article from SCOAP3: PDF; Draft (restricted): PDF; Fulltext: PDF; Published fulltext: PDF;
5.
Study of J/$\psi$ azimuthal anisotropy at forward rapidity in Pb-Pb collisions at $\sqrt{s_{\rm NN}}$ = 5.02 TeV / ALICE Collaboration
The second ($v_2$) and third ($v_3$) flow harmonic coefficients of J/$\psi$ mesons are measured at forward rapidity (2.5 $<$ $y$ $<$ 4.0) in Pb-Pb collisions at $\sqrt{s_{\rm NN}}$ = 5.02 TeV with the ALICE detector at the LHC. Results are obtained with the scalar product method and reported as a function of transverse momentum, $p_{\rm{T}}$, for various collision centralities. [...]
arXiv:1811.12727; CERN-EP-2018-319.- Geneva : CERN, 2019-02-04 - 26 p. - Published in : JHEP 02 (2019) 012 Article from SCOAP3: PDF; Draft (restricted): PDF; Fulltext: PDF;
6.
Event-shape engineering for the D-meson elliptic flow in mid-central Pb-Pb collisions at $\sqrt{s_{\rm NN}}=5.02$ TeV / ALICE Collaboration
The production yield of prompt D mesons and their elliptic flow coefficient $v_2$ were measured with the Event-Shape Engineering (ESE) technique applied to mid-central (10-30% and 30-50% centrality classes) Pb-Pb collisions at the centre-of-mass energy per nucleon pair $\sqrt{s_{\rm NN}} =5.02$ TeV, with the ALICE detector at the LHC. The ESE technique allows the classification of events, belonging to the same centrality, according to the azimuthal anisotropy of soft particle production in the collision. [...]
arXiv:1809.09371; CERN-EP-2018-260.- Geneva : CERN, 2019-02-22 - 30 p. - Published in : JHEP 02 (2019) 150 Article from SCOAP3: PDF; Draft (restricted): PDF; Fulltext: PDF;
7.
Energy dependence of exclusive $J/\psi$ photoproduction off protons in ultra-peripheral p-Pb collisions at $\sqrt{s_{\rm{NN}}}$ = 5.02 TeV / ALICE Collaboration
The ALICE Collaboration has measured the energy dependence of exclusive photoproduction of $J/\psi$ vector mesons off proton targets in ultra-peripheral p-Pb collisions at a centre-of-mass energy per nucleon pair $\sqrt{s_{\rm NN}} = 5.02$ TeV. The e$^+$e$^-$ and $\mu^+\mu^-$ decay channels are used to measure the cross section as a function of the rapidity of the $J/\psi$ in the range $-2.5 < y < 2.7$, corresponding to an energy in the $\gamma$p centre-of-mass in the interval $40 < W_{\gamma\mathrm{p}}<550$ GeV. [...]
arXiv:1809.03235; CERN-EP-2018-236.- Geneva : CERN, 2019-05-12 - 25 p. - Published in : Eur. Phys. J. C 79 (2019) 402 Article from SCOAP3: PDF; Draft (restricted): PDF; Fulltext: PDF; Fulltext from Publisher: PDF;
8.
Charged jet cross section and fragmentation in proton-proton collisions at $\sqrt{s}$ = 7 TeV / ALICE Collaboration
We report the differential charged jet cross section and jet fragmentation distributions measured with the ALICE detector in proton-proton collisions at a centre-of-mass energy $\sqrt{s}$ = 7 TeV. Jets with pseudo-rapidity $|\eta|<0.5$ are reconstructed from charged particles using the anti-$k_{T}$ jet finding algorithm with a resolution parameter $R$ = 0.4. [...]
arXiv:1809.03232; CERN-EP-2018-235.- Geneva : CERN, 2019-02-01 - 16 p. - Published in : Phys. Rev. D 99 (2019) 012016 Draft (restricted): PDF; Fulltext: PDF; Fulltext from Publisher: PDF;
9.
Measuring $\rm{K}^{0}\rm{K}^{\pm}$ interactions using pp collisions at $\sqrt{s}$ = 7 TeV / Acharya, Shreyasi (Calcutta, VECC) ; Torales - Acosta, Fernando (UC, Berkeley) ; Adamova, Dagmar (Rez, Nucl. Phys. Inst.) ; Adler, Alexander (Goethe U., Frankfurt, Inst. Inform.) ; Adolfsson, Jonatan (Lund U.) ; Aggarwal, Madan Mohan (Panjab U.) ; Aglieri Rinella, Gianluca (CERN) ; Agnello, Michelangelo (Turin Polytechnic) ; Agrawal, Neelima (Indian Inst. Tech., Mumbai) ; Ahammed, Zubayer (Calcutta, VECC) et al. /ALICE
We present the first measurements of femtoscopic correlations between the $\rm{K}^{0}$ and $\rm{K}^{\pm}$ particles in pp collisions at $\sqrt{s}$ = 7 TeV measured by the ALICE experiment. The observed femtoscopic correlations are consistent with final-state interactions proceeding solely via the $a_{0}(980)$ resonance. [...]
arXiv:1809.07899; CERN-EP-2018-234.- Geneva : CERN, 2019-03-10 - 13 p. - Published in : Phys. Lett. B 790 (2019) 22-34 Article from SCOAP3: PDF; Draft (restricted): PDF; Fulltext: PDF;
10.
Multiplicity dependence of light-flavor hadron production in pp collisions at $\sqrt{s}$ = 7 TeV / ALICE Collaboration
Comprehensive results on the production of unidentified charged particles, $\pi^{+}$, $\rm{K}^{\pm}$, $\rm{K}^{0}_{S}$, K*(892)$^{0}$, $\rm{p}$, $\overline{\rm{p}}$, $\phi$(1020), $\Lambda$, $\overline{\Lambda}$, $\Xi^{-}$, $\overline{\Xi}^{+}$, $\Omega^{-}$ and $\overline{\Omega}^{+}$ hadrons in proton-proton (pp) collisions at $\sqrt{s}$ = 7 TeV at midrapidity ($|y| < 0.5$) as a function of charged-particle multiplicity density are presented. In order to avoid auto-correlation biases, the actual transverse momentum ($p_{\rm{T}}$) spectra of the particles under study and the event activity are measured in different rapidity windows. [...]
arXiv:1807.11321; CERN-EP-2018-209.- Geneva : CERN, 2019-02-09 - 30 p. - Published in : Phys. Rev. C 99 (2019) 024906 Draft (restricted): PDF; Fulltext: PDF;

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172 Jena, Chitrasen
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