CERN Accelerating science

ALICE Preprints

新增:
2023-05-25
15:43
Accessing the strong interaction between $\Lambda$ baryons and charged kaons with the femtoscopy technique at the LHC / ALICE Collaboration, CERN
The interaction between $\Lambda$ baryons and kaons/antikaons is a crucial ingredient for the strangeness $S=0$ and $S=-2$ sector of the meson--baryon interaction at low energies. In particular, the $\Lambda{\mathrm{\overline{K}}}$ might help in understanding the origin of states such as the $\Xi\mathrm{(1620)}$, whose nature and properties are still under debate. [...]
CERN-EP-2023-106.- Geneva : CERN, 2023 Draft (restricted): PDF;

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2023-05-23
11:46
Energy dependence of coherent photonuclear production of J/$\psi$ mesons in ultra-peripheral Pb$-$Pb collisions at $\sqrt{s_{\mathrm{NN}}} = 5.02$ TeV / ALICE Collaboration, CERN
The cross section for coherent photonuclear production of J/$\psi$ is presented as a function of the electromagnetic dissociation (EMD) of Pb. The measurement is performed with the ALICE detector in ultra-peripheral Pb$-$Pb collisions at a centre-of-mass energy per nucleon pair of $\sqrt{s_{\mathrm{NN}}} = 5.02$ TeV. [...]
CERN-EP-2023-100.- Geneva : CERN, 2023 Draft (restricted): PDF;

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2023-05-19
06:07
Studies on the hadronization of charm and beauty quarks / Faggin, Mattia (Icarus Res., Bethesda ; INFN, Padua ; Padua U.)
In this contribution, the latest results on hadronization studies of charm and beauty quarks obtained with the data collected with the ALICE experiment at the LHC are presented. [...]
arXiv:2305.10086.
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2023-05-09
04:27
Recent results on J/$\psi$ photoproduction in ultra-peripheral collisions with ALICE / Ragoni, S. (Creighton U.)
Ultra-peripheral collisions (UPC) are events characterised by large impact parameters between the two projectiles, larger than the sum of their radii. [...]
arXiv:2305.03616.
- 6 p.
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2023-05-03
12:04
First measurement of the $|t|$-dependence of incoherent J/$\psi$ photonuclear production / Acharya, Shreyasi (Clermont-Ferrand U.) ; Adamova, Dagmar (Rez, Nucl. Phys. Inst.) ; Adler, Alexander (Goethe U., Frankfurt, Inst. Inform.) ; Aglieri Rinella, Gianluca (CERN) ; Agnello, Michelangelo (Turin Polytechnic) ; Agrawal, Neelima (INFN, Bologna) ; Ahammed, Zubayer (Calcutta, VECC) ; Ahmad, Shakeel (Aligarh Muslim U.) ; Ahn, Sang Un (KISTI, Daejeon) ; Ahuja, Ishaan (Kosice U.) et al. /ALICE
The first measurement of the cross section for incoherent photonuclear production of J/$\psi$ vector meson as a function of the Mandelstam $|t|$ variable is presented. The measurement was carried out with the ALICE detector at midrapidity, $|y|<0.8$, using ultra-peripheral collisions of Pb nuclei at a centre-of-mass energy per nucleon pair $\sqrt{s_{\mathrm{NN}}} = 5.02$ TeV [...]
arXiv:2305.06169; CERN-EP-2023-080.- Geneva : CERN, 2023 - 17 p. Draft (restricted): PDF; Fulltext: PDF;

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2023-04-17
11:50
First polarisation measurement of coherently photoproduced J/$\psi$ in ultra-peripheral Pb$-$Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV / ALICE Collaboration, CERN /ALICE
The first measurement of the polarisation of coherently photoproduced J/$\psi$ mesons in ultra-peripheral Pb$-$Pb collisions, using data at $\sqrt{s_{\rm NN}} = 5.02$ TeV , is presented. The J/$\psi$ meson is measured via its dimuon decay channel in the forward rapidity interval $-4.0 < y < -2.5$ using the ALICE detector at the CERN LHC. [...]
arXiv:2304.10928; CERN-EP-2023-068.- Geneva : CERN, 2023 - 19 p. Draft (restricted): PDF; Fulltext: PDF;

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2023-04-12
04:24
Correction of the baseline fluctuations in the GEM-based ALICE TPC / ALICE TPC Collaboration
The impact of the so-called common-mode effect and of the ion tail on the signal shapes in the upgraded ALICE Time Projection Chamber with gas-electron multiplier readout are investigated. [...]
arXiv:2304.03881.
- 30 p.
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2023-03-28
12:56
Exclusive and dissociative J/$\psi$ photoproduction, and exclusive dimuon production, in p$-$Pb collisions at $sqrt{s_{\mathrm{NN}}} = 8.16$ TeV / ALICE Collaboration, CERN /ALICE
The ALICE Collaboration reports three measurements in ultra-peripheral proton$-$lead collisions at forward rapidity. The exclusive two-photon process $\gamma \gamma \rightarrow \mu^+ \mu^-$ and the exclusive photoproduction of J/$\psi$ are studied. [...]
arXiv:2304.12403; CERN-EP-2023-059.- Geneva : CERN, 2023 - 28 p. Draft (restricted): PDF; Fulltext: PDF;

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2023-03-24
04:40
Hot and Cold QCD White Paper from ALICE-USA: Input for 2023 U.S. Long Range Plan for Nuclear Science / ALICE-USA Collaboration
The ALICE-USA collaboration presents its plans for the 2023 U.S. [...]
arXiv:2212.00512.
- 26 p.
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2023-03-22
09:34
Measurements of inclusive J/$\psi$ production at midrapidity and forward rapidity in Pb$-$Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV / Acharya, Shreyasi (Clermont-Ferrand U.) ; Adamova, Dagmar (Rez, Nucl. Phys. Inst.) ; Adler, Alexander (Goethe U., Frankfurt, Inst. Inform.) ; Aglieri Rinella, Gianluca (CERN) ; Agnello, Michelangelo (Turin Polytechnic) ; Agrawal, Neelima (INFN, Bologna) ; Ahammed, Zubayer (Calcutta, VECC) ; Ahmad, Shakeel (Aligarh Muslim U.) ; Ahn, Sang Un (KISTI, Daejeon) ; Ahuja, Ishaan (Kosice U.) et al.
The measurements of the inclusive J/$\psi$ yield at midrapidity ($|y| < 0.9$ and forward rapidity ($2.5 < y < 4$) in Pb$-$Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV with the ALICE detector at the LHC are reported. The inclusive J/$\psi$ production yields and nuclear modification factors, $R_{\rm AA}$, are measured as a function of the collision centrality, J/$\psi$ transverse momentum ($p_{\rm T}$), and rapidity. [...]
arXiv:2303.13361; CERN-EP-2023-054.- Geneva : CERN, 2023 - 32 p. Draft (restricted): PDF; Fulltext: PDF;

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