J/psi(3100): production
Centrality behaviour of J/$\psi$ production in NA50
... J/ψ production, three different types of analysis have been per- formed, namely J/ψ cross-section normalized to the Drell-Yan one as a func- tion of two independent centrality variables (the transverse energy ...
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J/psi production and nuclear effects in p-Pb collisions at sqrt(sNN)=5.02 TeV
... In this paper, we present the first results from ALICE on inclusive J/ ψ production at the LHC in p-Pb collisions at √ s NN = 5.02 TeV. These results have been obtained with measurements in the µ + µ − decay ...
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Measurement of J/psi production in pp collisions at sqrt(s)=2.76 TeV
... J/ψ production cross- section as a function of the J/ψ transverse momentum, and of the fraction of J/ψ mesons coming from the decay of a b-hadron in pp collisions at a centre-of-mass energy of ...
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Study of $J/\psi$ production and cold nuclear matter effects in $p$Pb collisions
... quarkonia production with respect to proton-proton (pp) colli- sions [1] is one of the most distinctive signatures of the formation of quark-gluon plasma, a hot nuclear medium created in ultrarelativistic ...
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Measurement of J/psi production in pp collisions at sqrt(s)=7 TeV
... J/ψ production at the Large Hadron Collider (LHC) opens the door to new analyses that extend the phase-space region explored so far, such as that recently made by the CMS collaboration [ 12 ...
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Inclusive J/$\psi$ production in Xe–Xe collisions at $\sqrt{s_{\rm NN}}$ = 5.44 TeV
... J/ψ production at LHC energies in Xe–Xe, a collision system (A Xe = 129) lighter than Pb–Pb (A Pb = 208), are ...the production yields in nucleus–nucleus collisions and the corresponding proton–proton (pp) ...
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J/$\psi$ Production and Nuclear Effects for $d+Au$ and $p+p$ Collisions at $\sqrt{s_NN}$ = 200 GeV
... region), a weak drop for more central collisions is ob- served, while no significant centrality dependence is seen for negative rapidity or for central rapidity. The theoreti- cal curves on Fig. 3 (b) correspond to ...
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$J/\psi$ Production vs Transverse Momentum and Rapidity in p+p Collisions at $\sqrt{s}$ = 200 GeV
... this production has been extensively studied, the details of the produc- tion mechanism and hadronization remain an open ques- ...J/ψ production have been made, but it has proven difficult to reproduce both ...
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$J/\psi$ Production vs Centrality, Transverse Momentum, and Rapidity in Au+Au Collisions at $\sqrt{s_{NN}}$ = 200 GeV
... J/ψ production and suppression, which predict very different transverse momentum and rapidity dependencies, can be significantly constrained by the data presented here and recent results on open charm ...
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Cold Nuclear Matter Effects on $J/\Psi$ production as Constrained by Deuteron-Gold Measurements at $\sqrt{s_{NN}}$ = 200 GeV
... Using this range of parameters, the cold nuclear matter suppression expected in Au + Au collisions is pro- jected as a function of collision centrality and for mid and forward rapidity. [r] ...
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$J/\psi$ Production in $\sqrt{s_{NN}}$= 200 GeV Cu+Cu Collisions
... J/ψ production in collisions with small to intermediate numbers of participants, in the range where the Quark Gluon Plasma transition threshold is predicted to ...
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$J/\psi$ production from proton-proton collisions at $\sqrt s$=200 GeV
... The integrated luminosity can be written as R Ldt = N MB /σ BBC , where N MB is the number of minimum bias triggers and σ BBC is the minimum bias trigger cross sec- tion. Using a van der Meer scan measurement, σ BBC was ...
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Studies of $X(3872)$ and $\psi(2S)$ production in $p\bar{p}$ collisions at 1.96 TeV
... prompt production of the exotic state X(3872) relative to the b hadron production is strongly suppressed at the LHC in comparison with the Tevatron ...
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Suppression of $\psi$(2S) production in p-Pb collisions at $\sqrt{s_{NN}}$ = 5.02 TeV
... forward production the crossing time is smaller than the formation time and the influence of the nucleus on the pre-hadronic state is the same, independent of the particular resonance being produced ...
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Étude du taux de production des J/psi et muons simples en collisions proton-proton à l'aide du spectromètre à muons de l'expérience ALICE au LHC
... Efficacité de trajectographie ; Multiplicité en particules chargées ; Collisions p-p ; Muons simples ; J/psi Abstract The quark-gluon plasma is a state of nuclear matter appearing at very high temperature. In the ...
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Exclusive $J/\psi$ and $\psi(2S)$ production in $pp$ collisions at $\sqrt{s}=7$ TeV
... The J/ψ and ψ(2S) mesons are identified through their decay to two muons. The pro- tons are only marginally deflected and remain undetected inside the beam pipe. Therefore the signature for exclusive vector meson ...
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Oraux de maths - PCSI-PSI AUX ULIS
... Soit D la matrice diagonale portant les valeurs propres de A sur la diagonale, montrer que si une matrice de M3 pRq commute avec D alors elle est diagonale... Montrer que A est diagonali[r] ...
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DS n°2 - PCSI-PSI AUX ULIS
... Lors de l’apparition d’un défaut électrique, créant un courant anormalement élevé, le fusible permet la coupure automatique du circuit électrique : le fil métallique constituant le fusi[r] ...
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DM n°9 - PCSI-PSI AUX ULIS
... La fusée lancée de Cap Canaveral en Floride, se met tout d’abord en orbite circulaire basse autour de la Terre. Elle est ensuite placée sur une orbite elliptique de transfert pour rejoin[r] ...
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Searches for B0(s) -> J/{\psi} p pbar and B+ -> J/{\psi} p pbar {\pi}+ decays
... 50 School of Physics and Astronomy, University of Glasgow, Glasgow, United Kingdom.. 51 Oliver Lodge Laboratory, University of Liverpool, Liverpool, United Kingdom5[r] ...
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