20180720 04:10 
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20180720 04:10 

Heavyflavour hadron decay leptons in PbPb and XeXe collisions at the LHC with ALICE
/ Dubla, Andrea
Heavy quarks, i.e. [...]
arXiv:1807.05382.

Full text  00009 Left: Comparison of the $R_{\rm AA}$ of electrons from beautyhadron decays (red markers) with the one from charm plus beautyhadron decays (black markers) in PbPb collisions at $\sqrt{s}$ = 5.02 TeV. Right: $R_{\rm AA}$ of electrons from beauty hadron decay in comparison with models implementing massdependent energy loss \cite{EPOS, Djordjevic, PHSD} in PbPb collisions at $\sqrt{s}$ = 5.02 TeV.  00010 Left: $R_{\rm AA}$ of electrons from heavyflavour hadron decays as a function of $p_{\rm T}$ in central (010\%) PbPb (black and grey markers) and in pPb (blue markers) collisions \cite{rpPbelectron} at $\sqrt{s}$ = 5.02 TeV. Right: $R_{\rm AA}$ of electrons from heavyflavour hadron decays at $\sqrt{s}$ = 2.76 TeV in comparison with model calculations with and without the inclusion of the EPS09 shadowing parameterisations \cite{POWLANG, EPOS, TAMU}.  00007 Nuclear modification factors of electrons (black markers) and muons (red markers) from heavyflavour hadron decay in central (left panel) and semicentral (right panel) XeXe collisions at $\sqrt{s_{\rm NN}}$ = 5.44 TeV.  00006 Left: Comparison of the $R_{\rm AA}$ of electrons from beautyhadron decays (red markers) with the one from charm plus beautyhadron decays (black markers) in PbPb collisions at $\sqrt{s}$ = 5.02 TeV. Right: $R_{\rm AA}$ of electrons from beauty hadron decay in comparison with models implementing massdependent energy loss \cite{EPOS, Djordjevic, PHSD} in PbPb collisions at $\sqrt{s}$ = 5.02 TeV.  00008 $p_\mathrm{T}$differential production cross section for electrons from heavyflavour hadron decay in pp collisions at several collision energies (from left to right panel: $\sqrt{s}$ = 2.76, 5.02, 7 and 13 TeV) in comparison with FONLL calculations \cite{FONLL}.  00011 Left: $R_{\rm AA}$ of electrons from heavyflavour hadron decays as a function of $p_{\rm T}$ in central (010\%) PbPb (black and grey markers) and in pPb (blue markers) collisions \cite{rpPbelectron} at $\sqrt{s}$ = 5.02 TeV. Right: $R_{\rm AA}$ of electrons from heavyflavour hadron decays at $\sqrt{s}$ = 2.76 TeV in comparison with model calculations with and without the inclusion of the EPS09 shadowing parameterisations \cite{POWLANG, EPOS, TAMU}.  Fulltext

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20180712 09:12 
Collider studies on jet and heavy flavour properties
/ Candelise, Vieri (INFN, Trieste ; Trieste U.)
/ALICE,ATLAS,CMS and LHCB Collaborations
The Large Hadron Collider at CERN is the world's most efficient jet factory. In this report the properties of jets will be discussed, with focus on reconstructed jets in the ATLAS, CMS and LHCb experiments. [...]
CMSCR2018075.
Geneva : CERN, 2018  12 p.
Fulltext: PDF;
In : XXVI International Workshop on Deep Inelastic Scattering and Related Subjects, Kobe, Hyogo, Japan, 16  20 Apr 2018

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20180712 04:24 
Medium modification of the shape of smallradius jets in central PbPb collisions at $\sqrt{s_{\rm{NN}}}$ = 2.76 TeV
/ Acharya, Shreyasi (Calcutta, VECC) ; Torales  Acosta, Fernando (UC, Berkeley) ; Adamova, Dagmar (Rez, Nucl. Phys. Inst.) ; 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) ; Ahammed, Zubayer (Calcutta, VECC) et al.
We present the measurement of a new set of jet shape observables for trackbased jets in central PbPb collisions at $\sqrt{s_{\rm{NN}}}$ = 2.76 TeV. The set of jet shapes includes the first radial moment or angularity, $g$; the momentum dispersion, $p_{\rm{T}}D$; and the difference between the leading and subleading constituent track transverse momentum, $LeSub$. [...]
arXiv:1807.06854; CERNEP2018201.
Geneva : CERN, 2018  26 p.
Draft (restricted): PDF; Fulltext: PDF; External links: 00043 $g$, $p_{\rm T}D$, and $LeSub$ for quark and gluon jets as obtained from PYTHIA Perugia 2011 simulations of pp collisions at $\sqrt{s}=2.76$\,TeV in the transverse momentum interval $40 \leq p_{\mathrm{T,jet}}^{\rm{part,ch}} \leq 60$\,GeV/$c$.; 00033 $g$, $p_{\rm T}D$, and $LeSub$ as obtained from PYTHIA Perugia 2011 simulations of pp collisions at $\sqrt{s}=2.76$\,TeV for three different transverse momentum intervals.; 00049 $g$, $p_{\rm T}D$, and $LeSub$ for quark and gluon jets as obtained from PYTHIA Perugia 2011 simulations of pp collisions at $\sqrt{s}=2.76$\,TeV in the transverse momentum interval $40 \leq p_{\mathrm{T,jet}}^{\rm{part,ch}} \leq 60$\,GeV/$c$.; 00035 $g$, $p_{\rm T}D$, and $LeSub$ as obtained from PYTHIA Perugia 2011 simulations of pp collisions at $\sqrt{s}=2.76$\,TeV for three different transverse momentum intervals.; 00053 Left plots show the distributions of residuals for the set of three jet shapes in a given interval of $p_{\rm{T,jet}}^{\rm{part,ch}}$ $40$$60$ GeV/$c$ using the PYTHIA and PYTHIA embedded simulations. Right plots show the width (quantified as the standard deviation) of the distributions on the left as a function of the values of the shapes at particle level. The black and red curves correspond to pp and PbPb simulations, respectively. The line connecting the points on the right is drawn to guide the eye.; 00047 Left plots show the distributions of residuals for the set of three jet shapes in a given interval of $p_{\rm{T,jet}}^{\rm{part,ch}}$ $40$$60$ GeV/$c$ using the PYTHIA and PYTHIA embedded simulations. Right plots show the width (quantified as the standard deviation) of the distributions on the left as a function of the values of the shapes at particle level. The black and red curves correspond to pp and PbPb simulations, respectively. The line connecting the points on the right is drawn to guide the eye.; 00032 Left plots show the distributions of residuals for the set of three jet shapes in a given interval of $p_{\rm{T,jet}}^{\rm{part,ch}}$ $40$$60$ GeV/$c$ using the PYTHIA and PYTHIA embedded simulations. Right plots show the width (quantified as the standard deviation) of the distributions on the left as a function of the values of the shapes at particle level. The black and red curves correspond to pp and PbPb simulations, respectively. The line connecting the points on the right is drawn to guide the eye.; 00034 Left plots show the distributions of residuals for the set of three jet shapes in a given interval of $p_{\rm{T,jet}}^{\rm{part,ch}}$ $40$$60$ GeV/$c$ using the PYTHIA and PYTHIA embedded simulations. Right plots show the width (quantified as the standard deviation) of the distributions on the left as a function of the values of the shapes at particle level. The black and red curves correspond to pp and PbPb simulations, respectively. The line connecting the points on the right is drawn to guide the eye.; 00037 $g$, $p_{\rm T}D$, and $LeSub$ for quark and gluon jets as obtained from PYTHIA Perugia 2011 simulations of pp collisions at $\sqrt{s}=2.76$\,TeV in the transverse momentum interval $40 \leq p_{\mathrm{T,jet}}^{\rm{part,ch}} \leq 60$\,GeV/$c$.; 00036 Left plots show the distributions of residuals for the set of three jet shapes in a given interval of $p_{\rm{T,jet}}^{\rm{part,ch}}$ $40$$60$ GeV/$c$ using the PYTHIA and PYTHIA embedded simulations. Right plots show the width (quantified as the standard deviation) of the distributions on the left as a function of the values of the shapes at particle level. The black and red curves correspond to pp and PbPb simulations, respectively. The line connecting the points on the right is drawn to guide the eye.; 00048 $g$, $p_{\rm T}D$, and $LeSub$ as obtained from PYTHIA Perugia 2011 simulations of pp collisions at $\sqrt{s}=2.76$\,TeV for three different transverse momentum intervals.; 00027 Left plots show the distributions of residuals for the set of three jet shapes in a given interval of $p_{\rm{T,jet}}^{\rm{part,ch}}$ $40$$60$ GeV/$c$ using the PYTHIA and PYTHIA embedded simulations. Right plots show the width (quantified as the standard deviation) of the distributions on the left as a function of the values of the shapes at particle level. The black and red curves correspond to pp and PbPb simulations, respectively. The line connecting the points on the right is drawn to guide the eye.; 00044 Jet shape distributions in $0$$10\%$ central PbPb collisions at $\sqrt{s_{\rm NN}}=2.76$\,TeV for $R = 0.2$ in range of jet $p_{\mathrm{T,jet}}^{\rm ch}$ of $40$$60$\,GeV$/c$ compared to JEWEL with and without recoils with different subtraction methods. The coloured boxes represent the experimental uncertainty on the jet shapes.; 00045 Jet shape distributions in $0$$10\%$ central PbPb collisions at $\sqrt{s_{\rm NN}}=2.76$\,TeV for $R = 0.2$ in range of jet $p_{\mathrm{T,jet}}^{\rm ch}$ of $40$$60$\,GeV$/c$ compared to quark and gluon vacuum generated jet shape distributions. The coloured boxes represent the experimental uncertainty on the jet shapes.; 00038 Background subtraction performance for jet shapes studied with jets from PYTHIA events embedded into real PbPb events, in the background subtracted transverse momentum interval $40 \leq p_{\mathrm{T,jet}}^{\rm{rec,ch}} \leq 60$\,GeV/$c$ for the area derivatives and constituent subtraction methods.; 00050 Background subtraction performance for jet shapes studied with jets from PYTHIA events embedded into real PbPb events, in the background subtracted transverse momentum interval $40 \leq p_{\mathrm{T,jet}}^{\rm{rec,ch}} \leq 60$\,GeV/$c$ for the area derivatives and constituent subtraction methods.; 00031 Jet shape distributions in $0$$10\%$ central PbPb collisions at $\sqrt{s_{\rm NN}}=2.76$\,TeV for $R = 0.2$ in range of jet $p_{\mathrm{T,jet}}^{\rm ch}$ of $40$$60$\,GeV$/c$ compared to JEWEL with and without recoils with different subtraction methods. The coloured boxes represent the experimental uncertainty on the jet shapes.; 00029 Jet shape distributions in $0$$10\%$ central PbPb collisions at $\sqrt{s_{\rm NN}}=2.76$\,TeV for $R = 0.2$ in range of jet $p_{\mathrm{T,jet}}^{\rm ch}$ of $40$$60$\,GeV$/c$ compared to quark and gluon vacuum generated jet shape distributions. The coloured boxes represent the experimental uncertainty on the jet shapes.; 00028 Jet shape distributions in $0$$10\%$ central PbPb collisions at $\sqrt{s_{\rm NN}}=2.76$\,TeV for $R = 0.2$ in range of jet $p_{\mathrm{T,jet}}^{\rm ch}$ of $40$$60$\,GeV$/c$ compared to JEWEL with and without recoils with different subtraction methods. The coloured boxes represent the experimental uncertainty on the jet shapes.; 00030 Jet shape distributions in $0$$10\%$ central PbPb collisions at $\sqrt{s_{\rm NN}}=2.76$\,TeV for $R = 0.2$ in range of jet $p_{\mathrm{T,jet}}^{\rm ch}$ of $40$$60$\,GeV$/c$ compared to quark and gluon vacuum generated jet shape distributions. The coloured boxes represent the experimental uncertainty on the jet shapes.; 00040 Fully corrected jet shape distributions measured in pp collisions at $\sqrt{s}=7$\,TeV for $R = 0.2$ in the range of jet $p_{\mathrm{T,jet}}^{\rm ch}$ of $40$$60$\,GeV$/c$. The results are compared to PYTHIA. The results are compared to PYTHIA. The coloured boxes represent the uncertainty on the jet shape (upper panels) and its propagation to the ratio (lower panels); 00042 Fully corrected jet shape distributions in $0$$10\%$ central PbPb collisions at $\sqrt{s_{\rm NN}} = 2.76$\,TeV for $R = 0.2$ in the range of jet $p_{\mathrm{T,jet}}^{\rm ch}$ of $40$$60$\,GeV$/c$. The results are compared to PYTHIA. The coloured boxes represent the uncertainty on the jet shape (upper panels) and its propagation to the ratio (lower panels).; 00052 Fully corrected jet shape distributions in $0$$10\%$ central PbPb collisions at $\sqrt{s_{\rm NN}} = 2.76$\,TeV for $R = 0.2$ in the range of jet $p_{\mathrm{T,jet}}^{\rm ch}$ of $40$$60$\,GeV$/c$. The results are compared to PYTHIA. The coloured boxes represent the uncertainty on the jet shape (upper panels) and its propagation to the ratio (lower panels).; 00039 Fully corrected jet shape distributions in $0$$10\%$ central PbPb collisions at $\sqrt{s_{\rm NN}} = 2.76$\,TeV for $R = 0.2$ in the range of jet $p_{\mathrm{T,jet}}^{\rm ch}$ of $40$$60$\,GeV$/c$. The results are compared to PYTHIA. The coloured boxes represent the uncertainty on the jet shape (upper panels) and its propagation to the ratio (lower panels).; 00046 Fully corrected jet shape distributions measured in pp collisions at $\sqrt{s}=7$\,TeV for $R = 0.2$ in the range of jet $p_{\mathrm{T,jet}}^{\rm ch}$ of $40$$60$\,GeV$/c$. The results are compared to PYTHIA. The results are compared to PYTHIA. The coloured boxes represent the uncertainty on the jet shape (upper panels) and its propagation to the ratio (lower panels); 00041 Fully corrected jet shape distributions measured in pp collisions at $\sqrt{s}=7$\,TeV for $R = 0.2$ in the range of jet $p_{\mathrm{T,jet}}^{\rm ch}$ of $40$$60$\,GeV$/c$. The results are compared to PYTHIA. The results are compared to PYTHIA. The coloured boxes represent the uncertainty on the jet shape (upper panels) and its propagation to the ratio (lower panels); 00051 Background subtraction performance for jet shapes studied with jets from PYTHIA events embedded into real PbPb events, in the background subtracted transverse momentum interval $40 \leq p_{\mathrm{T,jet}}^{\rm{rec,ch}} \leq 60$\,GeV/$c$ for the area derivatives and constituent subtraction methods.; Fulltext

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20180711 04:20 
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20180708 04:19 

Trigger and Timing Distributions using the TTCPON and GBT Bridge Connection in ALICE for the LHC Run 3 Upgrade
/ Mitra, Jubin (Calcutta, VECC) ; David, Erno (Wigner RCP, Budapest) ; Mendez, Eduardo (CERN) ; Khan, Shuaib Ahmad (Calcutta, VECC) ; Kiss, Tivadar (Wigner RCP, Budapest) ; Baron, Sophie (CERN) ; Kluge, Alex (CERN) ; Nayak, Tapan (Calcutta, VECC)
The ALICE experiment at CERN is preparing for a major upgrade for the third phase of data taking run (Run 3), when the high luminosity phase of the Large Hadron Collider (LHC) starts. [...]
arXiv:1806.01350.

18 p.
Full text

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20180628 13:16 
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20180621 03:38 
Measurement of dielectron production in central PbPb collisions at $\sqrt{{\textit{s}}_{\mathrm{NN}}}$ = 2.76 TeV
/ Acharya, Shreyasi (Calcutta, VECC) ; Torales  Acosta, Fernando (UC, Berkeley) ; Adamova, Dagmar (Rez, Nucl. Phys. Inst.) ; Adolfsson, Jonatan (Lund U.) ; Aggarwal, Madan Mohan (Panjab U.) ; Aglieri Rinella, Gianluca (CERN) ; Agnello, Michelangelo (Turin Polytechnic) ; Agrawal, Neelima (Indian Inst. Tech., Mumbai) ; Ahammed, Zubayer (Calcutta, VECC) ; Ahn, Sang Un (KISTI, Daejeon) et al.
The first measurement of dielectron ($\mathrm{e}^{+}\mathrm{e}^{}$) production in central (0$$10$\%$) PbPb collisions at a centerofmass energy per nucleon pair $\mathbf{\sqrt{{\textit{s}}_{\mathrm{NN}}}}$ = 2.76 TeV at the LHC is presented. The dielectron invariantmass spectrum is measured in the ALICE central barrel detectors for electrons with pseudorapidity $\eta_{\mathrm{e}}<0.8$ and transverse momentum $0.4 < p_{\mathrm{T}, \mathrm{e}} < 5$ GeV/$\textit{c}$ [...]
CERNEP2018181; CERNEP2018181; arXiv:1807.00923.
Geneva : CERN, 2018  34 p.
Draft (restricted): PDF; Fulltext: PDF;

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20180529 00:48 
pp, p$\Lambda$ and $\Lambda$$\Lambda$ correlations studied via femtoscopy in pp reactions at $\sqrt{s}$ = 7 TeV
/ Acharya, Shreyasi (Calcutta, VECC) ; Torales  Acosta, Fernando (UC, Berkeley) ; Adamova, Dagmar (Rez, Nucl. Phys. Inst.) ; Adolfsson, Jonatan (Lund U.) ; Aggarwal, Madan Mohan (Panjab U.) ; Aglieri Rinella, Gianluca (CERN) ; Agnello, Michelangelo (Turin Polytechnic) ; Agrawal, Neelima (Indian Inst. Tech., Mumbai) ; Ahammed, Zubayer (Calcutta, VECC) ; Ahn, Sang Un (KISTI, Daejeon) et al.
We report on the first femtoscopic measurement of baryon pairs, such as pp, p$\Lambda$ and $\Lambda$$\Lambda$, measured by ALICE at the Large Hadron Collider (LHC) in protonproton collisions at $\sqrt{s}$ = 7 TeV This study demonstrates the feasibility of such measurements in pp collisions at ultrarelativistic energies. The femtoscopy method is employed to constrain the hyperonnucleon and hyperonhyperon interactions, which are still rather poorly understood. [...]
CERNEP2018150; CERNEP2018150; arXiv:1805.12455.
Geneva : CERN, 2018  32 p.
Draft (restricted): PDF; Fulltext: PDF;

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20180508 14:59 
Dielectron and heavyquark production in inelastic and highmultiplicity protonproton collisions at $\sqrt{s} = 13$ TeV
/ Acharya, Shreyasi (Calcutta, VECC) ; Torales  Acosta, Fernando (UC, Berkeley) ; Adamova, Dagmar (Rez, Nucl. Phys. Inst.) ; Adolfsson, Jonatan (Lund U.) ; Aggarwal, Madan Mohan (Panjab U.) ; Aglieri Rinella, Gianluca (CERN) ; Agnello, Michelangelo (Turin Polytechnic) ; Agrawal, Neelima (Indian Inst. Tech., Mumbai) ; Ahammed, Zubayer (Calcutta, VECC) ; Ahn, Sang Un (KISTI, Daejeon) et al.
/ALICE
The measurement of electronpositron pair production is presented as a function of their invariant mass and transverse momentum at midrapidity ($y_{\rm e}  < 0.8$) in protonproton (pp) collisions at a centreofmass energy of $\sqrt{s} = 13$ TeV. The contributions from lighthadron decays can be calculated from their measured cross sections in pp collisions at $\sqrt{s} = 7$ TeV or $13$ TeV. [...]
CERNEP2018122; arXiv:1805.04407; CERNEP2018122.
Geneva : CERN, 2018  23 p.
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