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CERN Document Server 305 のレコードが見つかりました。  1 - 10次最後  レコードへジャンプ: 検索にかかった時間: 0.59 秒 
1.
Measurements of differential two-particle number and transverse momentum correlation functions in pp collisions at $\sqrt{s}$ = 13 TeV / Acharya, Shreyasi (Clermont-Ferrand U.) ; Agarwal, Apar (Calcutta, VECC) ; Aglieri Rinella, Gianluca (CERN) ; Aglietta, Luca (Turin U. ; INFN, Turin) ; Agnello, Michelangelo (Turin Polytechnic) ; Agrawal, Neelima (Bologna U. ; INFN, Bologna) ; Ahammed, Zubayer (Calcutta, VECC) ; Ahmad, Shakeel (Aligarh Muslim U.) ; Ahn, Sang Un (KISTI, Daejeon) ; Ahuja, Ishaan (Kosice U.) et al.
Differential two-particle normalized cumulants ($R_2$) and transverse momentum correlations ($P_2$) are measured as a function of the relative pseudorapidity and azimuthal angle difference $( \Delta \eta, \Delta \varphi )$ of charged particle pairs in minimum bias pp collisions at $\sqrt{\textit{s}}$ = 13 TeV. The measurements use charged hadrons in the pseudorapidity region of $|\eta| < 0.8$ and the transverse momentum range 0.2 $< \textit{p}_{\mathrm T} < $ 2.0 $\mathrm{GeV}/\textit{c}$ in order to focus on soft multiparticle interactions and to complement prior measurements of these correlation functions in p-Pb and Pb-Pb collisions. [...]
arXiv:2411.07059; CERN-EP-2024-271.- Geneva : CERN, 2024 - 30 p. Draft (restricted): PDF; Fulltext: PDF;
2.
Common femtoscopic hadron-emission source in pp collisions at the LHC / ALICE Collaboration
The femtoscopic study of pairs of identical pions is particularly suited to investigate the effective source function of particle emission, due to the resulting Bose-Einstein correlation signal. In small collision systems at the LHC, pp in particular, the majority of the pions are produced in resonance decays, which significantly affect the profile and size of the source. [...]
arXiv:2311.14527; CERN-EP-2023-267.- Geneva : CERN, 2023 - 29 p. Draft (restricted): PDF; Fulltext: PDF;
3.
Observation of abnormal suppression of ${\rm f_0(980)}$ production in p$-$Pb collisions at $\sqrt{s_{\rm NN}}$ = 5.02 TeV / ALICE Collaboration
The dependence of $\mathrm{f}_{0}$(980) production on the final-state charged-particle multiplicity in p$-$Pb collisions at $\sqrt{s_{\mathrm{NN}}} = 5.02$ TeV is reported. The production of $\mathrm{f}_{0}$(980) is measured with the ALICE detector via the $\mathrm{f}_0 (980) \rightarrow \pi^{+}\pi^{-}$ decay channel in a midrapidity region of $-0.5<y<0$. [...]
arXiv:2311.11786; CERN-EP-2023-263.- Geneva : CERN, 2024-04-23 - 25 p. - Published in : Phys. Lett. B 853 (2024) 138665 Draft (restricted): PDF; Fulltext: 2311.11786 - PDF; Publication - PDF;
4.
Measurement of (anti)alpha production in central Pb$-$Pb collisions at $\sqrt{s_{\rm NN}}$ = 5.02 TeV / ALICE Collaboration
In this letter, measurements of (anti)alpha production in central (0-10%) Pb--Pb collisions at a center-of-mass energy per nucleon--nucleon pair of $\sqrt{s_{\rm NN}}$ = 5.02 TeV are presented, including the first measurement of an antialpha transverse-momentum spectrum. Owing to its large mass, (anti)alpha production yields and transverse-momentum spectra are of particular interest because they provide a stringent test of particle production models. [...]
arXiv:2311.11758; CERN-EP-2023-255.- Geneva : CERN, 2024-08-10 - 16 p. - Published in : Phys. Lett. B 858 (2024) 138943 Draft (restricted): PDF; Fulltext: 2311.11758 - PDF; Publication - PDF;
5.
Photoproduction of ${\rm K}^{+} {\rm K}^{−}$ Pairs in Ultraperipheral Collisions / ALICE Collaboration
${\rm K}^{+} {\rm K}^{−}$ pairs may be produced in photonuclear collisions, either from the decays of photoproduced $\phi (1020)$ mesons, or directly as non-resonant ${\rm K}^{+} {\rm K}^{−}$ pairs. Measurements of ${\rm K}^{+} {\rm K}^{−}$ photoproduction probe the couplings between the $\phi (1020)$ and charged kaons with photons and nuclear targets. [...]
arXiv:2311.11792; CERN-EP-2023-248.- Geneva : CERN, 2024-05-31 - 13 p. - Published in : Phys. Rev. Lett. 132 (2024) 222303 Draft (restricted): PDF; Fulltext: 2311.11792 - PDF; Publication - PDF;
6.
Femtoscopic correlations of identical charged pions and kaons in pp collisions at $\sqrt{s}$ = 13 TeV / ALICE Collaboration
Collective behavior has been observed in high-energy heavy-ion collisions for several decades. Collectivity is driven by the high particle multiplicities that are produced in these collisions. [...]
arXiv:2310.07509; CERN-EP-2023-229.- Geneva : CERN, 2024-02-23 - 21 p. - Published in : Phys. Rev. C 109 (2024) 024915 Draft (restricted): PDF; Fulltext: 2310.07509 - PDF; Publication - PDF;
7.
Light-flavor particle production in high-multiplicity pp collisions at $ \sqrt{\textrm{s}} $= 13 TeV as a function of transverse spherocity / ALICE Collaboration
Results on the transverse spherocity dependence of light-flavor particle production ($\pi$, K, p, $\phi$, ${\rm K^{*0}}$, ${\rm K}^{0}_{\rm{S}}$, $\Lambda$, $\Xi$) at midrapidity in high-multiplicity pp collisions at $\sqrt{s}$ = 13 TeV were obtained with the ALICE apparatus. The transverse spherocity estimator ($S_{\text{O}}^{p_{\rm T}=1}$) categorizes events by their azimuthal topology. [...]
arXiv:2310.10236; CERN-EP-2023-215.- Geneva : CERN, 2024-05-15 - 51 p. - Published in : JHEP 2405 (2024) 184 Draft (restricted): PDF; Fulltext: 2310.10236 - PDF; document - PDF;
8.
Charged-particle production as a function of the relative transverse activity classifier in pp, p–Pb, and Pb–Pb collisions at the LHC / ALICE Collaboration
Measurements of charged-particle production in pp, p$-$Pb, and Pb$-$Pb collisions in the toward, away, and transverse regions with the ALICE detector are discussed. These regions are defined event-by-event relative to the azimuthal direction of the charged trigger particle, which is the reconstructed particle with the largest transverse momentum ($p_{\mathrm{T}}^{\rm trig}$) in the range $8<p_{\mathrm{T}}^{\rm trig}<15$ GeV$/c$. [...]
arXiv:2310.07490; CERN-EP-2023-212.- Geneva : CERN, 2024-01-11 - 31 p. - Published in : JHEP 2401 (2024) 056 Draft (restricted): PDF; Fulltext: document - PDF; 2310.07490 - PDF; Publication - PDF;
9.
Measurement of $R_{2}(\Delta\eta, \Delta\varphi)$ and $P_{2}(\Delta\eta, \Delta\varphi)$ correlation functions in pp collisions at $\sqrt{\textit{s}}$ = 13 TeV using ALICE data / Sahoo, Baidyanath (Indian Inst. Tech., Mumbai) /ALICE Collaboration
Two-particle normalized cumulants of particle number correlations ($R_{2}$)and transverse momentum correlations ($P_{2}$), measured as a function ofrelative pseudorapidity and azimuthal angle difference $(\Delta\eta, \Delta\varphi)$,provide key information about particle production mechanisms,diffusivity, and conservation of charge and momentum in high-energycollisions. To complement the recent ALICE measurements in Pb--Pbcollisions, as well as for better understanding of the jetcontribution and nature of collectivity in small systems, theseobservables are measured in pp collisions at $\sqrt{\textit{s}}$ = 13 TeVwith similar transverse momentum range, 0.2 $\leq$ $\textit{p}_{\rm T}$ $\leq$ 2.0$\rm{GeV}/\textit{c}$. [...]
2023 - 5 p. - Published in : PoS: LHCP2022 (2023) , pp. 329
- Published in : PoS: ICHEP2022 (2022) , pp. 1138 Fulltext: PoS(ICHEP2022)1138 - PDF; PoS(LHCP2022)329 - PDF;
In : The Tenth Annual Large Hadron Collider Physics (LHCP2022), Online, Online, 16 - 20 May 2022, pp.329
41st International Conference on High Energy Physics (ICHEP 2022), Bologna, Italy, 6 - 13 Jul 2022, pp.1138
10.
Studying strangeness and baryon production mechanisms through angular correlations between charged Ξ baryons and identified hadrons in pp collisions at $ \sqrt{s} $ = 13 TeV / ALICE Collaboration
The angular correlations between charged $\Xi$ baryons and associated identified hadrons (pions, kaons, protons, $\Lambda$ baryons, and $\Xi$ baryons) are measured in pp collisions at $\sqrt{s} = 13$ TeV with the ALICE detector to give insight into the particle production mechanisms and balancing of quantum numbers on the microscopic level. In particular, the distribution of strangeness is investigated in the correlations between the doubly-strange $\Xi$ baryon and mesons and baryons that contain a single strange quark, K and $\Lambda$. [...]
arXiv:2308.16706; CERN-EP-2023-198.- Geneva : CERN, 2024-09-18 - 37 p. - Published in : JHEP 2409 (2024) 102 Draft (restricted): PDF; Fulltext: 2308.16706 - PDF; document - PDF;

CERN Document Server : 305 のレコードが見つかりました。   1 - 10次最後  レコードへジャンプ:
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