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ALICE Preprints

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2019-06-02
19:21
Measurement of prompt D$^{0}$, D$^{+}$, D$^{∗+}$, and D$^{+}_{s}$ production in p$-$Pb collisions at $\sqrt{s_{\rm NN}}$ = 5.02 TeV / Acharya, Shreyasi (Calcutta, VECC) ; Adamova, Dagmar (Rez, Nucl. Phys. Inst.) ; Adhya, Souvik Priyam (Calcutta, VECC) ; 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 (Enrico Fermi Ctr., Rome ; Indian Inst. Tech., Mumbai ; INFN, Bologna) ; Ahammed, Zubayer (Calcutta, VECC) et al.
The measurement of the production of prompt D$^{0}$, D$^{+}$, D$^{∗+}$, and D$^{+}_{s}$ mesons in p$-$Pb collisions at the centre-of-mass energy per nucleon pair of $\sqrt{s_{\rm NN}}$ = 5.02 TeV, with an integrated luminosity of 292 ± 11$\mu$b$^{−1}$, are reported. Differential production cross sections are measured at mid-rapidity ($-$0.96< $y_{\rm cms}$ < 0.04) as a function of transverse momentum ($p_{\rm T}$) in the intervals 0 < $p_{\rm T}$ < 36 GeV/$c$for D$^{0}$, 1 < $p_{\rm T}$ < 36 GeV/$c$ for D$^{+}$ and D$^{∗+}$, and 2 < $p_{\rm T}$ < 24 GeV/$c$ for D$^{+}_{s}$ mesons. [...]
arXiv:1906.03425; CERN-EP-2019-125.- Geneva : CERN, 2019 - 37 p. Draft (restricted): PDF; Fulltext: PDF;

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2019-05-30
16:17
Multiplicity dependence of light (anti-)nuclei production in p-Pb collisions at $\sqrt{s_{\rm{NN}}}$ = 5.02 TeV / Acharya, Shreyasi (Calcutta, VECC) ; Adamova, Dagmar (Rez, Nucl. Phys. Inst.) ; Adhya, Souvik Priyam (Calcutta, VECC) ; 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 ; Enrico Fermi Ctr., Rome) ; Ahammed, Zubayer (Calcutta, VECC) et al.
The measurement of the deuteron and anti-deuteron production in the rapidity range $-1 < y < 0$ as a function of transverse momentum and event multiplicity in p-Pb collisions at $\sqrt{s_{\rm{NN}}}$ = 5.02 TeV is presented. (Anti-)deuterons are identified via their specific energy loss $\rm{d}E/\rm{d}x$ and via their time-of-flight. [...]
arXiv:1906.03136; CERN-EP-2019-120.- Geneva : CERN, 2019 - 23 p. Draft (restricted): PDF; Fulltext: PDF;

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2019-05-28
16:52
Scattering studies with low-energy kaon-proton femtoscopy in proton-proton collisions at the LHC / Acharya, Shreyasi (Calcutta, VECC) ; Adamova, Dagmar (Rez, Nucl. Phys. Inst.) ; Adhya, Souvik Priyam (Calcutta, VECC) ; 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 (Enrico Fermi Ctr., Rome) ; Ahammed, Zubayer (Calcutta, VECC) et al.
The study of the strength and behaviour of the antikaon-nucleon ($\rm \overline{K}$N) interaction constitutes one of the key focuses of the strangeness sector in low-energy Quantum Chromodynamics (QCD). In this letter a unique high-precision measurement of the strong interaction between kaons and protons, close and above the kinematic threshold, is presented. [...]
arXiv:1905.13470; CERN-EP-2019-118.- Geneva : CERN, 2019 - 17 p. Draft (restricted): PDF; Fulltext: PDF;

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2019-05-26
21:02
Measurement of the inclusive isolated photon production cross section in pp collisions at $\sqrt{s}$ = 7 TeV / ALICE Collaboration, CERN
The production cross section of inclusive isolated photons has been measured by the ALICE experiment at the CERN LHC in pp collisions at a centre-of-momentum energy of $\sqrt{s}$ = 7 TeV. The measurement is performed with the electromagnetic calorimeter EMCal and the central tracking detectors, covering a range of $|\eta| $ < 0.27 in pseudorapidity and a transverse momentum range of 10<$p_{\rm T}^{\gamma}$ <60 GeV/$c$. [...]
CERN-EP-2019-117.- Geneva : CERN, 2019 Draft (restricted): PDF;

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2019-05-11
15:36
Inclusive J/$\psi$ production at mid-rapidity in pp collisions at $\sqrt{s}$ = 5.02 TeV / Acharya, Shreyasi (Calcutta, VECC) ; Adamova, Dagmar (Rez, Nucl. Phys. Inst.) ; Adhya, Souvik Priyam (Calcutta, VECC) ; 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 ; Enrico Fermi Ctr., Rome) ; Ahammed, Zubayer (Calcutta, VECC) et al.
Inclusive J/$\psi$ production is studied in minimum-bias proton-proton collisions at a centre-of-mass energy of $\sqrt{s}$ = 5.02 TeV by ALICE at the CERN LHC. The measurement is performed at mid-rapidity (|y| < 0.9) in the dielectron decay channel down to zero transverse momentum $p_{\rm T}$ , using a data sample corresponding to an integrated luminosity of $L_{int}$ = 19.4 $\pm$ 0.4 nb$^{-1}$ . [...]
arXiv:1905.07211; CERN-EP-2019-101.- Geneva : CERN, 2019 - 21 p. Draft (restricted): PDF; Fulltext: PDF;

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2019-05-04
14:41
Study of the $\Lambda$-$\Lambda$ interaction with femtoscopy correlations in pp and p-Pb collisions at the LHC / Acharya, Shreyasi (Calcutta, VECC) ; Adamova, Dagmar (Rez, Nucl. Phys. Inst.) ; Adhya, Souvik Priyam (Calcutta, VECC) ; 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 (Enrico Fermi Ctr., Rome) ; Ahammed, Zubayer (Calcutta, VECC) et al.
This work presents new constraints on the existence and the binding energy of a possible $\Lambda$-$\Lambda$ bound state, the H-dibaryon, derived from $\Lambda$-$\Lambda$ femtoscopic measurements by the ALICE collaboration. The results are obtained from a new measurement using the femtoscopy technique in pp collisions at $\sqrt{s}=13$ TeV and p-Pb collisions at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV, combined with previously published results from pp collisions at $\sqrt{s}=7$ TeV. [...]
arXiv:1905.07209; CERN-EP-2019-096.- Geneva : CERN, 2019 - 21 p. Draft (restricted): PDF; Fulltext: PDF; Preprint: PDF;

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2019-05-03
04:06
Charged-particle production as a function of multiplicity and transverse spherocity in pp collisions at $\sqrt{s} =5.02$ and 13 TeV / Acharya, Shreyasi (Calcutta, VECC) ; Adamova, Dagmar (Rez, Nucl. Phys. Inst.) ; Adhya, Souvik Priyam (Calcutta, VECC) ; 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 (Enrico Fermi Ctr., Rome) ; Ahammed, Zubayer (Calcutta, VECC) et al.
We present a study of the inclusive charged-particle transverse momentum ($p_{\rm T}$) spectra as a function of charged-particle multiplicity density at mid-pseudorapidity, ${\rm d}N_{\rm ch}/{\rm d}\eta$, in pp collisions at $\sqrt{s}=5.02$ and 13 TeV covering the kinematic range $|\eta|<0.8$ and $0.15 < p_{\rm{T}} < 20$ GeV/$c$. The results are presented for events with at least one charged particle in $|\eta|<1$ (INEL$\,>0$). [...]
arXiv:1905.07208; CERN-EP-2019-094.- Geneva : CERN, 2019 - 29 p. Draft (restricted): PDF; Fulltext: PDF;

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2019-04-25
19:04
Exploration of jet substructure using iterative declustering in pp and Pb-Pb collisions at LHC energies / Acharya, Shreyasi (Calcutta, VECC) ; Adamova, Dagmar (Rez, Nucl. Phys. Inst.) ; Adhya, Souvik Priyam (Calcutta, VECC) ; 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 ; Enrico Fermi Ctr., Rome) ; Ahammed, Zubayer (Calcutta, VECC) et al.
The ALICE collaboration at the CERN LHC reports novel measurements of jet substructure in pp collisions at $\sqrt{s} = 7$ TeV and central Pb--Pb collisions at $\sqrt{s_{\rm NN}} = 2.76$ TeV. Jet substructure of track-based jets is explored via iterative declustering and grooming techniques. [...]
arXiv:1905.02512; CERN-EP-2019-087.- Geneva : CERN, 2019 - 19 p. Draft (restricted): PDF; Fulltext: PDF;

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2019-04-19
19:58
Measurement of the production of charm jets tagged with D$^0$ mesons in pp collisions at $\sqrt{s}=7$ TeV / Acharya, Shreyasi (Calcutta, VECC) ; Adamova, Dagmar (Rez, Nucl. Phys. Inst.) ; Adhya, Souvik Priyam (Calcutta, VECC) ; 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 (Enrico Fermi Ctr., Rome) ; Ahammed, Zubayer (Calcutta, VECC) et al.
The production of charm jets in proton--proton collisions at a center-of-mass energy of $\sqrt{s}=7$ TeV was measured with the ALICE detector at the CERN Large Hadron Collider. The measurement is based on a data sample corresponding to a total integrated luminosity of $6.23$ ${\rm nb}^{-1}$, collected using a minimum-bias trigger. [...]
arXiv:1905.02510; CERN-EP-2019-081.- Geneva : CERN, 2019 - 29 p. Draft (restricted): 4.PDF; Fulltext: PDF;

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2019-04-19
18:57
First observation of an attractive interaction between a proton and a multi-strange baryon / Acharya, Shreyasi (Calcutta, VECC) ; Adamova, Dagmar (Rez, Nucl. Phys. Inst.) ; Adhya, Souvik Priyam (Calcutta, VECC) ; 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 (Enrico Fermi Ctr., Rome) ; Ahammed, Zubayer (Calcutta, VECC) et al.
This work presents the first experimental observation of the attractive strong interaction between a proton and a multi-strange baryon (hyperon) $\Xi^-$. The result is extracted from two-particle correlations of combined p-$\Xi^{-}$$\oplus$p-$\overline{\Xi}^{+}$ pairs measured in p-Pb collisions at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV at the LHC with ALICE. [...]
arXiv:1904.12198; CERN-EP-2019-080.- Geneva : CERN, 2019 - 17 p. Draft (restricted): PDF; Fulltext: PDF;

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