O. Shadura

article

Sensitivity of the SHiP experiment to Heavy Neutral Leptons

The SHiP collaboration, C. Ahdida, R. Albanese, A. Alexandrov, more

Journal of High Energy Physics > 2019 > 2019 > 4 > 1-20

Abstract Heavy Neutral Leptons (HNLs) are hypothetical particles predicted by many extensions of the Standard Model. These particles can, among other things, explain the origin of neutrino masses, generate the observed matter-antimatter asymmetry in the Universe and provide a dark matter candidate.The SHiP experiment will be able to search for HNLs produced in decays of heavy mesons and travelling...

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J/ψ production as a function of charged-particle pseudorapidity density in p–Pb collisions at sNN=5.02TeV

D. Adamová, M.M. Aggarwal, G. Aglieri Rinella, M. Agnello, more

Physics Letters B > 2018 > 776 > C > 91-104

We report measurements of the inclusive J/ψ yield and average transverse momentum as a function of charged-particle pseudorapidity density dNch/dη in p–Pb collisions at sNN=5.02TeV with ALICE at the LHC. The observables are normalised to their corresponding averages in non-single diffractive events. An increase of the normalised J/ψ yield with normalised dNch/dη, measured at mid-rapidity, is observed...

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First measurement of jet mass in Pb–Pb and p–Pb collisions at the LHC

S. Acharya, D. Adamová, M.M. Aggarwal, G. Aglieri Rinella, more

Physics Letters B > 2018 > 776 > C > 249-264

This letter presents the first measurement of jet mass in Pb–Pb and p–Pb collisions at sNN=2.76 TeV and sNN=5.02 TeV, respectively. Both the jet energy and the jet mass are expected to be sensitive to jet quenching in the hot Quantum Chromodynamics (QCD) matter created in nuclear collisions at collider energies. Jets are reconstructed from charged particles using the anti-kT jet algorithm and resolution...

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Centrality dependence of the pseudorapidity density distribution for charged particles in Pb–Pb collisions at sNN=5.02 TeV

J. Adam, D. Adamová, M.M. Aggarwal, G. Aglieri Rinella, more

Physics Letters B > 2017 > 772 > C > 567-577

We present the charged-particle pseudorapidity density in Pb–Pb collisions at sNN=5.02 TeV in centrality classes measured by ALICE. The measurement covers a wide pseudorapidity range from −3.5 to 5, which is sufficient for reliable estimates of the total number of charged particles produced in the collisions. For the most central (0–5%) collisions we find 21400±1300, while for the most peripheral...

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Erratum to: Production of $${\pi ^0}$$ π 0 and $$\eta $$ η mesons up to high transverse momentum in pp collisions at 2.76 TeV

S. Acharya, D. Adamová, M. M. Aggarwal, G. Aglieri Rinella, more

The European Physical Journal C > 2017 > 77 > 9 > 1-7

The online version of the original article can be found under doi: 10.1140/epjc/s10052-017-4890-x .

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Insight into particle production mechanisms via angular correlations of identified particles in pp collisions at $$\sqrt{\mathrm{s}}=7$$ s = 7 TeV

J. Adam, D. Adamová, M. M. Aggarwal, G. Aglieri Rinella, more

The European Physical Journal C > 2017 > 77 > 8 > 1-17

Two-particle angular correlations were measured in pp collisions at $$\sqrt{s} = 7$$ s = 7 TeV for pions, kaons, protons, and lambdas, for all particle/anti-particle combinations in the pair. Data for mesons exhibit an expected peak dominated by effects associated with mini-jets and are well reproduced by general purpose Monte Carlo generators. However, for baryon–baryon and anti-baryon–anti-baryon...

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Measurement of D-meson production at mid-rapidity in pp collisions at $${\sqrt{s}=7}$$ s = 7 TeV

S. Acharya, D. Adamová, M. M. Aggarwal, G. Aglieri Rinella, more

The European Physical Journal C > 2017 > 77 > 8 > 1-21

The production cross sections for prompt charmed mesons $$\mathrm{D^0}$$ D 0 , $$\mathrm{D^+}$$ D + , $$\mathrm{D^{*+}}$$ D ∗ + and $$\mathrm{D_s^+}$$ D s + were measured at mid-rapidity in proton–proton collisions at a centre-of-mass energy $$\sqrt{s}=7~{\mathrm {TeV}}$$ s = 7 TeV with the ALICE detector at the Large Hadron Collider (LHC)...

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Measurement of the production of high-pT electrons from heavy-flavour hadron decays in Pb–Pb collisions at sNN=2.76 TeV

J. Adam, D. Adamová, M.M. Aggarwal, G. Aglieri Rinella, more

Physics Letters B > 2017 > 771 > C > 467-481

Electrons from heavy-flavour hadron decays (charm and beauty) were measured with the ALICE detector in Pb–Pb collisions at a centre-of-mass of energy sNN=2.76 TeV. The transverse momentum (pT) differential production yields at mid-rapidity were used to calculate the nuclear modification factor RAA in the interval 3<pT<18 GeV/c. The RAA shows a strong suppression compared to binary scaling of...

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Measurement of electrons from beauty-hadron decays in p-Pb collisions at s N N = 5.02 $$ \sqrt{s_{\mathrm{NN}}}=5.02 $$ TeV and Pb-Pb collisions at s N N = 2.76 $$ \sqrt{s_{\mathrm{NN}}}=2.76 $$ TeV

The ALICE collaboration, J. Adam, D. Adamová, M.M. Aggarwal, more

Journal of High Energy Physics > 2017 > 2017 > 7 > 1-40

Abstract The production of beauty hadrons was measured via semi-leptonic decays at mid-rapidity with the ALICE detector at the LHC in the transverse momentum interval 1<p_T< 8 GeV/c in minimum-bias p-Pb collisions at s N N = 5.02 $$ \sqrt{s_{\mathrm{NN}}}=5.02 $$ TeV and in 1.3 < p_T< 8 GeV/c in the 20% most central Pb-Pb collisions at s N N = 2.76 $$ \sqrt{s_{\mathrm{NN}}}=2...

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Production of muons from heavy-flavour hadron decays in p–Pb collisions at sNN=5.02 TeV

S. Acharya, D. Adamová, M.M. Aggarwal, G. Aglieri Rinella, more

Physics Letters B > 2017 > 770 > C > 459-472

The production of muons from heavy-flavour hadron decays in p–Pb collisions at sNN=5.02 TeV was studied for 2<pT<16 GeV/c with the ALICE detector at the CERN LHC. The measurement was performed at forward (p-going direction) and backward (Pb-going direction) rapidity, in the ranges of rapidity in the centre-of-mass system (cms) 2.03<ycms<3.53 and −4.46<ycms<−2.96, respectively. The...

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Energy dependence of forward-rapidity $$\mathrm {J}/\psi $$ J / ψ and $$\psi \mathrm {(2S)}$$ ψ ( 2 S ) production in pp collisions at the LHC

S. Acharya, D. Adamová, M. M. Aggarwal, G. Aglieri Rinella, more

The European Physical Journal C > 2017 > 77 > 6 > 1-21

We present results on transverse momentum ( $$p_{\mathrm {\textsc {t}}}$$ p T ) and rapidity ( $$y$$ y ) differential production cross sections, mean transverse momentum and mean transverse momentum square of inclusive $$\mathrm {J}/\psi $$ J / ψ and $$\psi \mathrm {(2S)}$$ ψ ( 2 S ) at forward rapidity ( $$2.5<y<4$$ 2.5 < y < 4 ) as well...

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Production of $${\Sigma (1385)^{\pm }}$$ Σ ( 1385 ) ± and $${\Xi (1530)^{0}}$$ Ξ ( 1530 ) 0 in p–Pb collisions at $${\sqrt{s_{\mathrm{NN}}}= 5.02}$$ s NN = 5.02 TeV

D. Adamová, M. M. Aggarwal, G. Aglieri Rinella, M. Agnello, more

The European Physical Journal C > 2017 > 77 > 6 > 1-17

The transverse momentum distributions of the strange and double-strange hyperon resonances ( $$\Sigma (1385)^{\pm }$$ Σ ( 1385 ) ± , $$\Xi (1530)^{0}$$ Ξ ( 1530 ) 0 ) produced in p–Pb collisions at $$\sqrt{s_{\mathrm{NN}}}= 5.02$$ s NN = 5.02 TeV were measured in the rapidity range $$-0.5< y_\mathrm {CMS}<0$$ - 0.5 < y CMS < 0 for...

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Addendum to: Centrality dependence of high-p_T D-meson suppression in Pb-Pb collisions at s N N = 2.76 $$ \sqrt{{\mathrm{s}}_{\mathrm{NN}}}=2.76 $$ TeV

The ALICE collaboration, J. Adam, D. Adamová, M. M. Aggarwal, more

Journal of High Energy Physics > 2017 > 2017 > 6 > 1-11

Abstract This is an addendum to the article JHEP11 (2015) 205 [1]. The figures 3 (right), 4 (right) and 5 are updated with published results on non-prompt J/ψ-meson production from the CMS collaboration [2].

article

Production of $${\pi ^0}$$ π 0 and $$\eta $$ η mesons up to high transverse momentum in pp collisions at 2.76 TeV

S. Acharya, D. Adamová, M. M. Aggarwal, G. Aglieri Rinella, more

The European Physical Journal C > 2017 > 77 > 5 > 1-25

The invariant differential cross sections for inclusive $$\pi ^{0}$$ π 0 and $$\eta $$ η mesons at midrapidity were measured in pp collisions at $$\sqrt{s}=2.76$$ s = 2.76 TeV for transverse momenta $$0.4<p_{\mathrm {T}}<40$$ 0.4 < p T < 40 GeV/c and $$0.6<p_{\mathrm {T}}<20$$ 0.6 < p T < 20 GeV/c, respectively, using...

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ϕ-Meson production at forward rapidity in p–Pb collisions at sNN=5.02 TeV and in pp collisions at s=2.76 TeV

J. Adam, D. Adamová, M.M. Aggarwal, G. Aglieri Rinella, more

Physics Letters B > 2017 > 768 > C > 203-217

The first study of ϕ-meson production in p–Pb collisions at forward and backward rapidity, at a nucleon–nucleon centre-of-mass energy sNN=5.02 TeV, has been performed with the ALICE apparatus at the LHC. The ϕ-mesons have been identified in the dimuon decay channel in the transverse momentum (pT) range 1<pT<7 GeV/c, both in the p-going (2.03<y<3.53) and the Pb-going (−4.46<y<−2.96)...

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Measurement of azimuthal correlations of D mesons with charged particles in pp collisions at $$\sqrt{s}=7$$ s = 7 TeV and p–Pb collisions at $${\sqrt{{{s}}_{\scriptscriptstyle {\mathrm{NN}}}}}=5.02$$ s NN = 5.02 TeV

J. Adam, D. Adamová, M. M. Aggarwal, G. Aglieri Rinella, more

The European Physical Journal C > 2017 > 77 > 4 > 1-24

The azimuthal correlations of D mesons with charged particles were measured with the ALICE apparatus in pp collisions at $${\sqrt{s}}=7~\mathrm {TeV}$$ s = 7 TeV and p–Pb collisions at $${\sqrt{{{s}}_{\scriptscriptstyle {\mathrm{NN}}}}}=5.02~\mathrm {TeV}$$ s NN = 5.02 TeV at the Large Hadron Collider. $$\mathrm{D}^{0}$$ D 0 , $${\mathrm{D}^{+}}$$ ...

article

J/ψ suppression at forward rapidity in Pb–Pb collisions at sNN=5.02 TeV

J. Adam, D. Adamová, M.M. Aggarwal, G. Aglieri Rinella, more

Physics Letters B > 2017 > 766 > C > 212-224

The inclusive J/ψ production has been studied in Pb–Pb and pp collisions at the centre-of-mass energy per nucleon pair sNN=5.02 TeV, using the ALICE detector at the CERN LHC. The J/ψ meson is reconstructed, in the centre-of-mass rapidity interval 2.5<y<4 and in the transverse-momentum range pT<12 GeV/c, via its decay to a muon pair. In this Letter, we present results on the inclusive J/ψ...

article

Determination of the event collision time with the ALICE detector at the LHC

ALICE Collaboration, J. Adam, D. Adamová, M. M. Aggarwal, more

The European Physical Journal Plus > 2017 > 132 > 2 > 1-17

. Particle identification is an important feature of the ALICE detector at the LHC. In particular, for particle identification via the time-of-flight technique, the precise determination of the event collision time represents an important ingredient of the quality of the measurement. In this paper, the different methods used for such a measurement in ALICE by means of the T0 and the TOF detectors...

article

W and Z boson production in p-Pb collisions at s N N = 5.02 $$ \sqrt{s_{\mathrm{NN}}}=5.02 $$ TeV

The ALICE collaboration, J. Adam, D. Adamová, M. M. Aggarwal, more

Journal of High Energy Physics > 2017 > 2017 > 2 > 1-27

Abstract The W and Z boson production was measured via the muonic decay channel in proton-lead collisions at s N N = 5.02 $$ \sqrt{s_{\mathrm{NN}}}=5.02 $$ TeV at the Large Hadron Collider with the ALICE detector. The measurement covers backward (−4.46 < y_cms < −2.96) and forward (2.03 < y_cms < 3.53) rapidity regions, corresponding to Pb-going and p-going directions, respectively...

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Charged-particle multiplicities in proton–proton collisions at $$\sqrt{s} = 0.9$$ s = 0.9 to 8 TeV

J. Adam, D. Adamová, M. M. Aggarwal, G. Aglieri Rinella, more

The European Physical Journal C > 2017 > 77 > 1 > 1-39

A detailed study of pseudorapidity densities and multiplicity distributions of primary charged particles produced in proton–proton collisions, at $$\sqrt{s} =$$ s = 0.9, 2.36, 2.76, 7 and 8 TeV, in the pseudorapidity range $$|\eta |<2$$ | η | < 2 , was carried out using the ALICE detector. Measurements were obtained for three event classes: inelastic, non-single diffractive...

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Search results for: O. Shadura

Sensitivity of the SHiP experiment to Heavy Neutral Leptons

J/ψ production as a function of charged-particle pseudorapidity density in p–Pb collisions at sNN=5.02TeV

First measurement of jet mass in Pb–Pb and p–Pb collisions at the LHC

Centrality dependence of the pseudorapidity density distribution for charged particles in Pb–Pb collisions at sNN=5.02 TeV

Erratum to: Production of $${\pi ^0}$$ π 0 and $$\eta $$ η mesons up to high transverse momentum in pp collisions at 2.76 TeV

Insight into particle production mechanisms via angular correlations of identified particles in pp collisions at $$\sqrt{\mathrm{s}}=7$$ s = 7 TeV

Measurement of D-meson production at mid-rapidity in pp collisions at $${\sqrt{s}=7}$$ s = 7 TeV

Measurement of the production of high-pT electrons from heavy-flavour hadron decays in Pb–Pb collisions at sNN=2.76 TeV

Measurement of electrons from beauty-hadron decays in p-Pb collisions at s N N = 5.02 $$ \sqrt{s_{\mathrm{NN}}}=5.02 $$ TeV and Pb-Pb collisions at s N N = 2.76 $$ \sqrt{s_{\mathrm{NN}}}=2.76 $$ TeV

Production of muons from heavy-flavour hadron decays in p–Pb collisions at sNN=5.02 TeV

Energy dependence of forward-rapidity $$\mathrm {J}/\psi $$ J / ψ and $$\psi \mathrm {(2S)}$$ ψ ( 2 S ) production in pp collisions at the LHC

Production of $${\Sigma (1385)^{\pm }}$$ Σ ( 1385 ) ± and $${\Xi (1530)^{0}}$$ Ξ ( 1530 ) 0 in p–Pb collisions at $${\sqrt{s_{\mathrm{NN}}}= 5.02}$$ s NN = 5.02 TeV

Addendum to: Centrality dependence of high-p_T D-meson suppression in Pb-Pb collisions at s N N = 2.76 $$ \sqrt{{\mathrm{s}}_{\mathrm{NN}}}=2.76 $$ TeV

Production of $${\pi ^0}$$ π 0 and $$\eta $$ η mesons up to high transverse momentum in pp collisions at 2.76 TeV

ϕ-Meson production at forward rapidity in p–Pb collisions at sNN=5.02 TeV and in pp collisions at s=2.76 TeV

Measurement of azimuthal correlations of D mesons with charged particles in pp collisions at $$\sqrt{s}=7$$ s = 7 TeV and p–Pb collisions at $${\sqrt{{{s}}_{\scriptscriptstyle {\mathrm{NN}}}}}=5.02$$ s NN = 5.02 TeV

J/ψ suppression at forward rapidity in Pb–Pb collisions at sNN=5.02 TeV

Determination of the event collision time with the ALICE detector at the LHC

W and Z boson production in p-Pb collisions at s N N = 5.02 $$ \sqrt{s_{\mathrm{NN}}}=5.02 $$ TeV

Charged-particle multiplicities in proton–proton collisions at $$\sqrt{s} = 0.9$$ s = 0.9 to 8 TeV

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