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Measurement of ω meson production in pp collisions at √s = 13 TeV
/ Acharya, Shreyasi (Clermont-Ferrand U.) ; Adamova, Dagmar (Rez, Nucl. Phys. Inst.) ; 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) et al.
The pT-differential cross section of ω meson production in pp collisions at √s = 13 TeV at midrapidity (|y|<0.5) was measured with the ALICE detector at the LHC, covering an unprecedented transverse-momentum range of 1.6<pT<50 GeV/c. The meson is reconstructed via the ω→π+π−π0 decay channel. [...]
arXiv:2411.09432; CERN-EP-2024-303.-
Geneva : CERN, 2024 - 26 p.
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First measurement of A = 4 (anti)hypernuclei at the LHC
/ 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
In this Letter, the first evidence of the 4ˉΛ¯He antihypernucleus is presented, along with the first measurement at the LHC of the production of (anti)hypernuclei with mass number A=4, specifically (anti)4ΛH and (anti)4ΛHe. In addition, the antiparticle-to-particle ratios for both hypernuclei (4ˉΛ¯H / 4ΛH and 4ˉΛ¯He / 4ΛHe) are shown, which are sensitive to the baryochemical potential of the strongly-interacting matter created in heavy-ion collisions [...]
arXiv:2410.17769; CERN-EP-2024-265.-
Geneva : CERN, 2024 - 22 p.
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First observation of strange baryon enhancement with effective energy in pp collisions at the LHC
/ 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 production of (multi-)strange hadrons is measured at midrapidity in proton-proton (pp) collisions at √s=13 TeV as a function of the local charged-particle multiplicity in the pseudorapidity interval |η|<0.5 and of the very-forward energy measured by the ALICE Zero-Degree Calorimeters (ZDC). The latter provides information on the effective energy available for particle production in the collision once subtracted from the centre-of-mass energy. [...]
arXiv:2409.12702; CERN-EP-2024-243.-
Geneva : CERN, 2024 - 38 p.
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Investigating charm quark energy loss in medium with the nuclear modification factor of D0-tagged jets
/ 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 nuclear modification factor RAA of charm jets, identified by the presence of a D0 meson among the jet constituents, has been measured for the first time in Pb-Pb collisions at a centre-of-mass energy per nucleon pair √sNN=5.02 TeV with the ALICE detector at the LHC. The D0 mesons and their charge conjugates are reconstructed from the hadronic decay D0→K−π+. [...]
arXiv:2409.11939; CERN-EP-2024-240.-
Geneva : CERN, 2024 - 25 p.
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Measurement of f1(1285) production in pp collisions at √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.
/ALICE
This study presents the first measurement of the f1(1285) resonance using the ALICE detector in inelastic proton--proton collisions at a center-of-mass energy of 13 TeV. The resonance is reconstructed at midrapidity (|y|< 0.5) through the hadronic decay channel f1(1285)→K0SK±π∓. [...]
arXiv:2409.11936; CERN-EP-2024-239.-
Geneva : CERN, 2024 - 25 p.
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Search for quasi-particle scattering in the quark−gluon plasma with jet splittings in pp and Pb−Pb collisions at √sNN = 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.
The ALICE Collaboration reports measurements of the large relative transverse momentum (kT) component of jet substructure in pp and in central and semicentral Pb−Pb collisions at center-of-mass energy per nucleon pair √sNN=5.02 TeV. Enhancement in the yield of such large-kT emissions in central Pb−Pb collisions is predicted to arise from partonic scattering with quasi-particles of the quark−gluon plasma. [...]
arXiv:2409.12837; CERN-EP-2024-238.-
Geneva : CERN, 2024 - 26 p.
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First measurement of Ds1(1+)(2536)+Ds1(1+)(2536)+ and D∗s2(2+)(2573)+D∗s2(2+)(2573)+ production in proton--proton collisions at √s=13√s=13 TeV at the LHC
/ 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 production yields of the orbitally excited charm-strange mesons Ds1(1+)(2536)+ and D∗s2(2+)(2573)+ were measured for the first time in proton--proton (pp) collisions at a center-of-mass energy of √s=13 TeV with the ALICE experiment at the LHC. The D+s1 and D∗+s2 mesons were measured at midrapidity (|y|<0.5) in minimum-bias and high-multiplicity pp collisions in the transverse-momentum interval 2<pT<24 GeV/c. [...]
arXiv:2409.11938; CERN-EP-2024-233.-
Geneva : CERN, 2024 - 21 p.
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Coherent J/ψ photoproduction at midrapidity in Pb-Pb collisions at √sNN=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.
The coherent J/ψ photoproduction cross section is measured for the first time at midrapidity in peripheral to semicentral Pb--Pb collisions at √sNN=5.02 TeV. The centrality differential cross section dσ/dy is reported for the centrality range 40--90\%, together with the doubly-differential cross section d2σ/dydpT, extracted in two peripheral centrality classes. [...]
arXiv:2409.11940; CERN-EP-2024-232.-
Geneva : CERN, 2024 - 23 p.
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