Başlık için Metalurji ve Malzeme Mühendisliği listeleme
Toplam kayıt 263, listelenen: 72-91
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Event-by-event mean pT fluctuations in pp and Pb–Pb collisions at the LHC
(2014)Event-by-event fluctuations of the mean trans- verse momentum of charged particles produced in pp colli- sions at √s = 0.9, 2.76 and 7 TeV, and Pb–Pb collisions at √sNN = 2.76 TeV are studied as a function of the charged- ... -
Event-shape and multiplicity dependence of freeze-out radii in pp collisions at √s = 7 TeV
(2019-09-13)Two-particle correlations in high-energy collision experiments enable the extraction of particle source radii by using the Bose-Einstein enhancement of pion production at low relative momentum q ∝ 1/R. It was previously ... -
Event-shape engineering for inclusive spectra and elliptic flow in Pb-Pb collisions at √sNN = 2.76 TeV
(2016)We report on results obtained with the event-shape engineering technique applied to Pb-Pb collisions at sNN = 2.76 TeV. By selecting events in the same centrality interval, but with very different average flow, different ... -
Evidence of rescattering effect in Pb–Pb collisions at the LHC through production of K∗(892)0 and φ(1020) mesons
(2020)Measurements of K∗(892)0 and φ(1020) resonance production in Pb–Pb and pp collisions at √sNN = 5.02 TeV with the ALICE detector at the Large Hadron Collider are reported. The resonances are measured at midrapidity (|y| < ... -
Evolution of the longitudinal and azimuthal structure of the near-side jet peak inPb-Pb collisions at √sNN =2.76TeV
(2017)In two-particle angular correlation measurements, jets give rise to a near-side peak, formed by particles associated to a higher pT trigger particle. Measurements of these correlations as a function of pseudorapidity (Δη) ... -
Exclusive J/ψ photoproduction off protons in ultra-peripheral p-Pb collisions at sNN−−−√=5.02 TeV
(2014)We present the first measurement at the LHC of exclusive J=ψ photoproduction off protons, in pffiffiffiffiffiffiffi ultraperipheral proton-lead collisions at sNN 1⁄4 5.02 TeV. Events are selected with a dimuon pair produced ... -
Experimental Evidence for an Attractive p-φ Interaction
(2021)This Letter presents the first experimental evidence of the attractive strong interaction between a proton and a ϕ meson. The result is obtained from two-particle correlations of combined p-ϕ⊕p⎯⎯⎯-ϕ pairs measured in ... -
Exploration of jet substructure using iterative declustering in pp and Pb–Pb collisions at LHC energies
(2020)The ALICE collaboration at the CERN LHC reports novel measurements of jet substructure in pp collisions √√ at s = 7 TeV and central Pb–Pb collisions at sNN = 2.76 TeV. Jet substructure of track-based jets is explored ... -
First measurement of coherent ρ0 photoproduction in ultra-peripheral Xe–Xe collisions at √sNN = 5.44 TeV
(2021)The first measurement of the coherent photoproduction of ρ0 vector mesons in ultra-peripheral Xe-Xe collisions at sNN‾‾‾‾√=5.44 TeV is presented. This result, together with previous HERA γp data and γ-Pb measurements from ... -
First measurement of jet mass in Pb–Pb and p–Pb collisions at the LHC
(2018)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 ... -
First measurement of ksi-0c production in pp collisions at √s = 7 TeV
(2018)The production of the charm-strange baryon Ξ0c is measured for the first time at the LHC via its semileptonic decay into e+Ξ−νe in pp collisions at s√=7 TeV with the ALICE detector. The transverse momentum (pT) differential ... -
First measurement of quarkonium polarization in nuclear collisions at the LHC
(2021)The polarization of inclusive J/ψ and Υ(1S) produced in Pb–Pb collisions at √sNN = 5.02 TeV at the LHC is measured with the ALICE detector. The study is carried out by reconstructing the quarkonium through its decay to ... -
First measurement of the |t|-dependence of coherent J/ψ photonuclear production
(2021)The first measurement of the cross section for coherent J/ψ photoproduction as a function of |t|, the square of the momentum transferred between the incoming and outgoing target nucleus, is presented. The data were measured ... -
First measurements of N-subjettiness in central Pb-Pb collisions at √sNN = 2.76 TeV
(2021)The ALICE Collaboration reports the first fully-corrected measurements of the N-subjettiness observable for track-based jets in heavy-ion collisions. This study is performed using data recorded in pp and Pb−Pb collisions ... -
First Observation of an Attractive Interaction between a Proton and a Cascade Baryon
(2019-09-13)This Letter presents the first experimental observation of the attractive strong interaction between a proton and a multistrange baryon (hyperon) Ξ−. The result is extracted from two-particle correlations of − ̄ þ ... -
First study of the two-body scattering involving charm hadrons
(2022-09-23)This article presents the first measurement of the interaction between charm hadrons and nucleons. The two-particle momentum correlations of pD− and pD¯ þ pairs are measured by the ALICE Collaboration in high-multiplicity ... -
Flow Dominance and Factorization of Transverse Momentum Correlations in Pb-Pb Collisions at the LHC
(2017)We present the first measurement of the two-particle transverse momentum differential correlation function, P2 ≡ h∆pT∆pTi/hpTi 2 , in Pb–Pb collisions at √sNN = 2.76 TeV. Results for P2 are reported as a function of ... -
Forward-backward multiplicity correlations in pp collisions at √s = 0.9, 2.76 and 7 TeV
(2015)The strength of forward-backward (FB) multiplicity correlations is measured √ s = 0.9, 2.76 and 7TeV. The measurement is performed in the central pseudorapidity region (|η| < 0.8) for the transverse momentum pT > 0.3GeV/c. ... -
Forward-central two-particle correlations in p–Pb collisions at √sNN = 5.02 TeV
(2016)Two-particle angular correlations between trigger particles in the forward pseudorapidity range (2.5 < |η| < 4.0) and associated particles in the central range (|η| < 1.0) are measured with the ALICE detector in p–Pb ... -
Freeze-out radii extracted from three-pion cumulants in pp, p–Pb and Pb–Pb collisions at the LHC
(2014)In high-energy collisions, the spatio-temporal size of the particle production region can be measured using the Bose–Einstein correlations of identical bosons at low relative momentum. The source radii are typically extracted ...