35 Result(s)
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Open AccessFirst proton–proton collisions at the LHC as observed with the ALICE detector: measurement of the charged-particle pseudorapidity density at \(\sqrt{s}=900\) GeV
On 23rd November 2009, during the early commissioning of the CERN Large Hadron Collider (LHC), two counter-rotating proton bunches were circulated for the first time concurrently in the machine, at the LHC inj...
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Open AccessCharged-particle multiplicity measurement in proton–proton collisions at \(\sqrt{s}=0.9\) and 2.36 TeV with ALICE at LHC
Charged-particle production was studied in proton–proton collisions collected at the LHC with the ALICE detector at centre-of-mass energies 0.9 TeV and 2.36 TeV in the pseudorapidity range |η|<1.4. In the central...
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Open AccessCharged-particle multiplicity measurement in proton–proton collisions at \(\sqrt{s}=7\) TeV with ALICE at LHC
The pseudorapidity density and multiplicity distribution of charged particles produced in proton–proton collisions at the LHC, at a centre-of-mass energy ...
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Open AccessStrange particle production in proton–proton collisions at \(\sqrt{s}=0.9\) \(\mbox {\){\rm TeV}\(}\) with ALICE at the LHC
The production of mesons containing strange quarks ( \(\mbox {\)\mathrm {K^{0}_{S}}\(}\) , φ) and both singly and doubly strange bary...
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Open AccessProduction of pions, kaons and protons in pp collisions at \(\sqrt{s}= 900~\mathrm{GeV}\) with ALICE at the LHC
The production of π +, π −, K+, K−, p, and \(\overline{\mathrm{p}}\) at mid-rapid...
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Open Access
Measurement of charm production at central rapidity in proton-proton collisions at
\( \sqrt {s} = 7{ }TeV \)
The p t-differential inclusive production cross sections of the prompt charmed mesons D0, D+, and D*+ in the rapidity range |y| < 0.5 were measured in proton-proton collisions at
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Open AccessMeasurement of event background fluctuations for charged particle jet reconstruction in Pb-Pb collisions at \( \sqrt {{{s_{\text{NN}}}}} = {2}{.76}\,{\text{TeV}} \)
The effect of event background fluctuations on charged particle jet reconstruction in Pb-Pb collisions at $ \sqrt {{{s_{\text{NN}}}}} = {2}{.7...
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Open AccessMeasurement of charm production at central rapidity in proton-proton collisions at \( \sqrt {s} = 2.76\;{\text{TeV}} \)
The p t-differential production cross sections of the prompt (B feed-down subtracted) charmed mesons D0, D+, and D*+ in the rapidity range |y| < 0.5, and for transverse momentum 1 < p ...
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Open AccessTransverse sphericity of primary charged particles in minimum bias proton–proton collisions at \(\mathbf{\sqrt{s}=0.9},~\mathbf{2.76}~\mbox{and}~\mathbf{7}~\mbox{TeV}\)
Measurements of the sphericity of primary charged particles in minimum bias proton–proton collisions at $\sqrt{s}=0.9,~2.76\mbox{ and }7~\math...
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Open AccessSuppression of high transverse momentum D mesons in central Pb-Pb collisions at \( \sqrt{{{s_{\mathrm{NN}}}}}=2.76\;\mathrm{TeV} \)
The production of the prompt charm mesons D0, D+, D*+, and their antiparticles, was measured with the ALICE detector in Pb-Pb collisions at the LHC, at a centre-of-mass energy
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Open AccessProduction of K∗(892)0 and ϕ(1020) in pp collisions at \(\sqrt{s}=7\ \mathrm{TeV}\)
The production of K∗(892)0 and ϕ(1020) in pp collisions at \(\sqrt{s}=7~\mathrm{TeV}\) was measured by the ALICE experiment at th...
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Open AccessMeasurement of inelastic, single- and double-diffraction cross sections in proton–proton collisions at the LHC with ALICE
Measurements of cross sections of inelastic and diffractive processes in proton–proton collisions at LHC energies were carried out with the ALICE detector. The fractions of diffractive processes in inelastic c...
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Open AccessMid-rapidity anti-baryon to baryon ratios in pp collisions at \(\sqrt{s} = 0.9,\ 2.76\mbox{ and }7\mbox{ TeV}\) measured by ALICE
The ratios of yields of anti-baryons to baryons probes the mechanisms of baryon-number transport. Results for $\overline{\mathrm {p}}/{\mathrm...
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Open AccessMultiplicity dependence of two-particle azimuthal correlations in pp collisions at the LHC
We present the measurements of particle pair yields per trigger particle obtained from di-hadron azimuthal correlations in pp collisions at $ ...
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Open AccessCharmonium and e + e − pair photoproduction at mid-rapidity in ultra-peripheral Pb–Pb collisions at \(\sqrt{s_{\mathrm{NN}}} = 2.76\ \mbox{TeV}\)
The ALICE Collaboration at the LHC has measured the J/ψ and ψ′ photoproduction at mid-rapidity in ultra-peripheral Pb–Pb collisions at $\sqrt{...
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Open AccessEnergy dependence of the transverse momentum distributions of charged particles in pp collisions measured by ALICE
Differential cross sections of charged particles in inelastic pp collisions as a function of p T have been measured at $\sqrt{...
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Open AccessJ/ψ production and nuclear effects in p-Pb collisions at \( \sqrt{{{{\mathrm{s}}_{\mathrm{NN}}}}} \) = 5.02 TeV
Inclusive J/ψ production has been studied with the ALICE detector in p-Pb collisions at the nucleon-nucleon center of mass energy $ \s...
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Open AccessMeasurement of charged jet suppression in Pb-Pb collisions at \( \sqrt{{{s_{\mathrm{NN}}}}} \) = 2.76 TeV
A measurement of the transverse momentum spectra of jets in Pb-Pb collisions at \( \sqrt{{{s_{\mathrm{NN}}}}} \) = 2.76...
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Open AccessMeasurement of quarkonium production at forward rapidity in \(\mathbf {pp}\) collisions at \(\mathbf {\sqrt{s}=7}~\) TeV
The inclusive production cross sections at forward rapidity of \({\mathrm{J}/\psi }\) ...
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Open AccessTransverse momentum dependence of inclusive primary charged-particle production in p–Pb collisions at \(\sqrt{s_\mathrm{{NN}}}=5.02~\text {TeV}\)
The transverse momentum ( \(p_{\mathrm T}\) p ...
