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Bulunan: 7 Adet 0.002 sn
Yayın Tarihi : 2022 ✕Koleksiyon : Metalurji ve Malzeme ... ✕
Koleksiyon [3]
İlgili Araştırmacılar [3]
Ambargo Durumu [1]
Tam Metin [1]
Yayın Türü [3]
Yazar/lar [5]
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Erişime Açık

Measurement of beauty production via non-prompt D0 mesons in Pb-Pb collisions at √sNN = 5.02 TeV

KARASU UYSAL, Ayben | ALICE Collaboration

The production of non-prompt D0 mesons from beauty-hadron decays was measured at midrapidity (|y| < 0.5) in Pb-Pb collisions at a nucleon-nucleon center-ofmass energy of √ sNN = 5.02 TeV with the ALICE experiment at the LHC. Their nuclear modification factor (RAA), measured for the first time down to pT = 1 GeV/c in the 0–10% and 30–50% centrality classes, indicates a significant suppression, up to a factor of about three, for pT > 5 GeV/c in the 0–10% central Pb-Pb collisions. The data are described by models that include both collisional and radiative processes in the calculation of beautyqu ...Daha fazlası

Makale 2022 2 Görüntülenme
Erişime Açık

Methylene Blue Removal By Phase Separated Porous Glass

ERTUŞ, Emre Burak | AHMETOĞLU, Çekdar Vakıf | ÖZTÜRK, Abdullah

In this study, it was aimed to utilize Porous glass (PG) as an adsorbent in MB removal from wastewater. PG powders were produced by melting and phase separation of an alkali borosilicate glass followed by selective leaching in HCl and an additional alkali treatment. The scanning electron microscope and N2 adsorption/desorption techniques were applied to characterize the pore architecture of the PGs. Methylene blue (MB) adsorption efficiency was investigated from the change in MB concentration in the MB aqueous solutions with various concentrations through the absorbance of the solution at a wa ...Daha fazlası

Konferans Bildirisi 2022 2 Görüntülenme
Erişime Açık

First study of the two-body scattering involving charm hadrons

KARASU UYSAL, Ayben | ALICE Collaboration

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 pp collisions at ffiffi s p ¼ 13 TeV. The data are compatible with the Coulomb-only interaction hypothesis within ð1.1–1.5Þσ. The level of agreement slightly improves if an attractive nucleon ðNÞD strong interaction is considered, in contrast to most model predictions which suggest an overall ¯ repulsive interaction. This measurement allows for the first time an estimation of ...Daha fazlası

Makale 2022 11 Görüntülenme
Erişime Açık

Measurement of anti-3 He nuclei absorption in matter and impact on their propagation in the Galaxy

KARASU UYSAL, Ayben | ALICE Collaboration

In our Galaxy, light antinuclei composed of antiprotons and antineutrons can be produced through high-energy cosmic-ray collisions with the interstellar medium or could also originate from the annihilation of dark-matter particles that have not yet been discovered. On Earth, the only way to produce and study antinuclei with high precision is to create them at high-energy particle accelerators. Although the properties of elementary antiparticles have been studied in detail, the knowledge of the interaction of light antinuclei with matter is limited. We determine the disappearance probability of ...Daha fazlası

Makale 2022 8 Görüntülenme
Erişime Açık

Production of K∗(892)0 and φ(1020) in pp and Pb-Pb collisions at √sNN = 5.02 TeV

KARASU UYSAL, Ayben | ALICE Collaboration

The production of K∗(892)0 and φ(1020) mesons in proton–proton (pp) and lead–lead (Pb–Pb) collisions at √sNN = 5.02 TeV has been measured using the ALICE detector at the Large Hadron Collider (LHC). The transverse momentum (pT) distributions of K∗(892)0 and φ(1020) mesons have been measured at midrapidity (|y| < 0.5) up to pT = 20 GeV/c in inelastic pp collisions and for several Pb–Pb collision centralities. The collision centrality and collision energy dependence of the average transverse momenta agree with the radial flow scenario observed with stable hadrons, showing that the effect is stro ...Daha fazlası

Diğer 2022 4 Görüntülenme
Erişime Açık

Characterizing the initial conditions of heavy-ion collisions at the LHC with mean transverse momentum and anisotropic flow correlations

KARASU UYSAL, Ayben | ALICE Collaboration

Correlations between mean transverse momentum [pT] and anisotropic flow coefficients v2 or v3 are measured as a function of centrality in Pb–Pb and Xe–Xe collisions at √sNN = 5.02 TeV and 5.44 TeV, respectively, with ALICE. In addition, the recently proposed higher-order correlation between [pT], v2, and v3 is measured for the first time, which shows an anticorrelation for the presented centrality ranges. These measurements are compared with hydrodynamic calculations using IP-Glasma and TRENTo initialstate shapes, the former based on the Color Glass Condensate effective theory with gluon satur ...Daha fazlası

Diğer 2022 6 Görüntülenme
Erişime Açık

Charm-quark fragmentation fractions and production cross section at midrapidity in pp collisions at the LHC

KARASU UYSAL, Ayben | ALICE Collaboration

Recent pT-integrated cross section measurements of the ground-state charm mesons and baryons, D0, D+, D+s, Λ+c, and Ξ0c, are used to evaluate the charm fragmentation fractions and production cross section per unit of rapidity at midrapidity (|y|

Makale 2022 4 Görüntülenme
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