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Filtreler
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Bulunan: 1.111 Adet 0.003 sn
Yayın Türü : Makale ✕
Koleksiyon [19]
İlgili Araştırmacılar [20]
BM Sürdürülebilir Kalkınma [4]
Ambargo Durumu [3]
Tam Metin [2]
Yayın Türü [2]
Yazar/lar [20]
Atıf Dizini [9]
Konu Başlıkları [20]
Yayıncı [20]
Tez Danışmanı [20]
Dergi Adı [10]
Yayın Tarihi [11]
Dergi Sayısı [5]
Tez Türü [2]
Yayın Dili [6]
dc.description.provenance [20]
Erişime Açık

Measurement of charged jet cross section in pp collisions at 5.02 TeV

KARASU UYSAL, Ayben | ALICE Collaboration

The cross section of jets reconstructed from charged particles is measured in the transverse momentum range of 5 < pT < 100 GeV=c in pp collisions at the center-of-mass energy of s 1⁄4 5.02 TeV with theALICE detector. The jets are reconstructed using the anti-kT algorithm with resolution parameters R 1⁄4 0.2, 0.3, 0.4, and 0.6 in the pseudorapidity range jηj < 0.9 − R. The charged jet cross sections are compared with the leading-order (LO) and to next-to-leading-order (NLO) perturbative quantum chromodynamics (pQCD) calculations. It is found that the NLO calculations agree better with the meas ...Daha fazlası

Makale 2019 4 Görüntülenme
Erişime Açık

Performance of the ALICE experiment at the CERN LHC

KARASU UYSAL, Ayben | ALICE Collaboration

ALICE is the heavy-ion experiment at the CERN Large Hadron Collider. The experiment continuously took data during the first physics campaign of the machine from fall 2009 until early 2013, using proton and lead-ion beams. In this paper we describe the running environment and the data handling procedures, and discuss the performance of the ALICE detectors and analysis methods for various physics observables.

Makale 2014 5 Görüntülenme
Erişime Açık

Beauty production in pp collisions at √s = 2.76 TeV measured via semi-electronic decays

KARASU UYSAL, Ayben | ALICE Collaboration

The ALICE Collaboration at the LHC reports measurement of the inclusive production cross section of electrons from semi-leptonic decays of beauty hadrons with rapidity |y| < 0.8 and transverse momentum 1 < pT < 10 GeV/c, in pp collisions at √ s = 2.76 TeV. Electrons not originating from semi-electronic decay of beauty hadrons are suppressed using the impact parameter of the corresponding tracks. The production cross section of beauty decay electrons is compared to the result obtained with an alternative method which uses the distribution of the azimuthal angle between heavy-flavour decay elect ...Daha fazlası

Makale 2014 5 Görüntülenme
Erişime Açık

Multiplicity dependence of light-flavor hadron production in pp collisions at √s = 7 TeV

KARASU UYSAL, Ayben | ALICE Collaboration

Comprehensive results on the production of unidentified charged particles, π±, K±, K0S, K*(892)0, p, p¯¯¯, ϕ(1020), Λ, Λ¯¯¯¯, Ξ−, Ξ¯¯¯¯+, Ω− and Ω¯¯¯¯+ hadrons in proton-proton (pp) collisions at s√ = 7 TeV at midrapidity (|y|

Makale 2019 3 Görüntülenme
Erişime Açık

Precision measurement of the mass difference between light nuclei and anti-nuclei

KARASU UYSAL, Ayben | ALICE Collaboration

The measurement of the mass differences for systems bound by the strong force has reached a very high precision with protons and anti-protons1,2. The extension of such measure- ment from (anti-)baryons to (anti-)nuclei allows one to probe any difference in the interactions between nucleons and anti- nucleons encoded in the (anti-)nuclei masses. This force is a remnant of the underlying strong interaction among quarks and gluons and can be described by effective theories3, but cannot yet be directly derived from quantum chromodynamics. Here we report a measurement of the difference between the ...Daha fazlası

Makale 2015 7 Görüntülenme
Erişime Açık

Inclusive photon production at forward rapidities in proton–proton collisions at √s = 0.9, 2.76 and 7 TeV

KARASU UYSAL, Ayben | ALICE Collaboration

The multiplicity and pseudorapidity distribu- tions of inclusive photons have been measured at forward rapidities (2.3 < η < 3.9) in proton–proton collisions at three center-of-mass energies, √s = 0.9, 2.76 and 7 TeV using the ALICE detector. It is observed that the increase in the average photon multiplicity as a function of beam energy is compatible with both a logarithmic and a power-law dependence. The relative increase in average photon multi- plicity produced in inelastic pp collisions at 2.76 and 7 TeV center-of-mass energies with respect to 0.9 TeV are 37.2 ± 0.3% (stat) ± 8.8% (sys) a ...Daha fazlası

Makale 2015 2 Görüntülenme
Erişime Açık

Measurement of jet suppression in central Pb–Pb collisions at 2.76 TeV

KARASU UYSAL, Ayben | ALICE Collaboration

The transverse momentum (pT) spectrum and nuclear modification factor (RAA) of reconstructed jets in 0–10% and 10–30% central Pb–Pb collisions at √sNN = 2.76 TeV were measured. Jets were reconstructed using the anti-kT jet algorithm with a resolution parameter of R = 0.2 from charged and neutral particles, utilizing the ALICE tracking detectors and Electromagnetic Calorimeter (EMCal). The jet pT spectra are reported in the pseudorapidity interval of |ηjet| < 0.5 for 40 < pT, jet < 120 GeV/c in 0–10% and for 30 < pT, jet < 100 GeV/c in 10–30% collisions. Reconstructed jets were required to cont ...Daha fazlası

Makale 2015 4 Görüntülenme
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