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1.
Azimuthal anisotropies of charged particles with high transverse momentum in Pb+Pb collisions at 5.02 TeV with the ATLAS detector at the LHC
A measurement is presented of elliptic ($v_2$) and triangular ($v_3$) azimuthal anisotropy coefficients for charged particles produced in Pb+Pb collisions at $\sqrt{s_{_\text{NN}}} = 5.02$ TeV using a data set corresponding to an integrated luminosity of $435$ $\mu b^{-1}$ collected with the ATLAS detector at the LHC in 2018. [...]
CERN-EP-2024-334.
- 2024
Fulltext - Previous draft version
2.
Improved reconstruction of highly boosted $\tau$-lepton pairs in the $\tau\tau\rightarrow(\mu\nu_{\mu}\nu_{\tau})({hadrons}+\nu_{\tau})$ decay channels with the ATLAS detector / ATLAS Collaboration
This paper presents a new $\tau$-lepton reconstruction and identification procedure at the ATLAS detector at the Large Hadron Collider, which leads to significantly improved performance in the case of physics processes where a highly boosted pair of $\tau$-leptons is produced and one $\tau$-lepton decays into a muon and two neutrinos ($\tau_{\mu}$), and the other decays into hadrons and one neutrino ($\tau_{had}$). [...]
arXiv:2412.14937 ; CERN-EP-2024-289.
- 2024 - 44 p, 44.
Fulltext - Previous draft version - Fulltext
3.
Light neutral-meson production in pp collisions at $\mathbf{\sqrt{s}}$ = 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.
The momentum-differential invariant cross~sections of ${\pi^{0}}$ and $\eta$ mesons are reported for pp collisions at $\sqrt{s} = 13$ TeV at midrapidity ($|y| < 0.8$). The measurement is performed in a broad transverse-momentum range of $0.2 < p_{\rm T} < 200$ GeV/$c$ and $0.4 < p_{\rm T} < 60$ GeV/$c$ for the ${\pi^{0}}$ and $\eta$, respectively, extending the $p_{\rm T}$ coverage of previous measurements. [...]
arXiv:2411.09560; CERN-EP-2024-304.- Geneva : CERN, 2024 - 39 p. Draft (restricted): PDF; Fulltext: PDF;
4.
Observation of partonic flow in proton–proton and proton–nucleus collisions / 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. /ALICE
Quantum Chromodynamics predicts a phase transition from ordinary hadronic matter to the quark–gluon plasma (QGP) at high temperatures and energy densities, where quarks and gluons (partons) are not confined within hadrons. The QGP is generated in ultrarelativistic heavy-ion collisions. [...]
arXiv:2411.09323; CERN-EP-2024-299.- Geneva : CERN, 2024 - 22 p. Draft (restricted): PDF; Fulltext: PDF;
5.
Medium-induced modification of groomed and ungroomed jet mass and angularities in Pb-Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ 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. /ALICE
The ALICE Collaboration presents a new suite of jet substructure measurements in Pb-Pb and pp collisions at a center-of-mass energy per nucleon pair $\sqrt{s_{\rm NN}} = 5.02$ TeV. These measurements provide access to the internal structure of jets via the momentum and angle of their constituents, probing how the quark--gluon plasma modifies jets, an effect known as jet quenching. [...]
arXiv:2411.03106; CERN-EP-2024-283.- Geneva : CERN, 2024 - 20 p. Draft (restricted): PDF; Fulltext: PDF;
6.
10th Workshop for Early Career Heavy-Ion Physicists - Hot Quarks 2025   12 - 16 May 2025  - Hefei, Anhui, Cn  .-
2025
7.
Jet radius dependence of dijet momentum balance and suppression in Pb+Pb collisions at 5.02 TeV with the ATLAS detector / Romero, Anabel (Univ. Illinois at Urbana Champaign (US)) /ATLAS Collaboration
Measurements of jets that traverse the QGP provide insights into the jet energy loss. Considering jets of various radii can help elucidate how the parton energy is transferred to the medium as well as the medium response. [...]
ATL-PHYS-SLIDE-2024-428.- Geneva : CERN, 2024 - 1 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 12th International Conference on Hard and Electromagnetic Probes of High-Energy Nuclear Collisions, Nagasaki, Nagasaki, Jp, 22 - 27 Sep 2024
8.
Supplemental material: Medium-induced modification of groomed and ungroomed jet mass and angularities in Pb-Pb collisions at $\sqrt{s_{\rm NN}}$ = 5.02 TeV /ALICE collaboration
The ALICE Collaboration presents a new suite of jet substructure measurements in Pb-Pb and pp collisions at a center-of-mass energy per nucleon pair $\sqrt{s_{\rm NN}} = 5.02$ TeV. These measurements provide access to the internal structure of jets via the momentum and angle of their constituents, probing how the quark-gluon plasma modifies jets, an effect known as jet quenching. [...]
ALICE-PUBLIC-2024-004.- Geneva : CERN, 2024 Fulltext: PDF;
9.
Supplemental figures: Measurement of the inclusive isolated-photon production cross section in pp and Pb-Pb collisions at $\sqrt{s_{\rm NN}}$ = 5.02 TeV /ALICE collaboration
The following note presents supplemental figures and additional material for the paper: ``Measurement of the inclusive isolated-photon production cross section in pp and Pb-Pb collisions at $\sqrt{s_{\rm NN}}$ = 5.02 TeV'' A description of the calorimeter cell clusterization algorithm and cell selection for the shower spread calculation is presented. Supplementary figures are provided: shower shape distributions, including the effect on the variation of the cross-talk emulation parameters in the simulation; the underlying event subtraction with different area definitions; and isolated photon efficiency. [...]
ALICE-PUBLIC-2024-003.- Geneva : CERN, 2024 Fulltext: PDF;
10.
Measurement of the inclusive isolated-photon production cross section in pp and Pb-Pb collisions at $\sqrt{s_{\rm NN}}$ = 5.02 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. /ALICE
The ALICE Collaboration at the CERN LHC has measured the inclusive production cross section of isolated photons at midrapidity as a function of the photon transverse momentum ($p_{\rm T}^{\gamma}$), in Pb-Pb collisions in different centrality intervals, and in pp collisions, at centre-of-momentum energy per nucleon pair of $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV. The photon transverse momentum range is between 10-14 and 40-140 GeV/$c$, depending on the collision system and on the Pb-Pb centrality class. [...]
arXiv:2409.12641; CERN-EP-2024-244.- Geneva : CERN, 2024 - 45 p. Draft (restricted): PDF; Fulltext: PDF;

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