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Filtreler
Filtreler
Bulunan: 28 Adet 0.001 sn
Yayın Tarihi : 2014 ✕Atıf Dizini : Wos ✕
Koleksiyon [8]
İlgili Araştırmacılar [5]
Ambargo Durumu [1]
Tam Metin [2]
Yayın Türü [2]
Yazar/lar [19]
Atıf Dizini [2]
Konu Başlıkları [20]
Yayıncı [5]
Tez Danışmanı [1]
Yayın Tarihi [1]
Yayın Dili [2]
Erişime Açık

Measurement of prompt D-meson production in p–Pb collisions at √ sNN = 5 .02 TeV

KARASU UYSAL, Ayben | ALICE Collaboration

The pT-differential production cross sections of the prompt charmed mesons D0, Dþ, D þ, and Dþs and center-of-mass energy sNN 1⁄4 5.02 TeV with the ALICE detector at the LHC. The nuclear modification factor RpPb, quantifying the D-meson yield in p-Pb collisions relative to the yield in pp collisions scaled by the number of binary nucleon-nucleon collisions, is compatible within the 15%–20% uncertainties with unity in the transverse momentum interval 1 < pT < 24 GeV=c. No significant difference among the RpPb of the four D-meson species is observed. The results are described within uncertaintie ...Daha fazlası

Makale 2014 8 Görüntülenme
Erişime Açık

Transverse momentum dependence of inclusive primary charged-particle production in p–Pb collisions at √sNN = 5.02 TeV

KARASU UYSAL, Ayben | ALICE Collaboration

The transverse momentum ( pT ) distribution of primary charged particles is measured at midrapidity in minimum-bias p–Pb collisions at √sNN = 5.02 TeV with the ALICE detector at the LHC in the range 0.15 < pT < 50 GeV/c. The spectra are compared to the expectation based on binary collision scaling of particle production in pp colli- sions, leading to a nuclear modification factor consistent with unity for pT larger than 2 GeV/c, with a weak indication of a Cronin-like enhancement for pT around 4 GeV/c. The mea- surement is compared to theoretical calculations and to data in Pb–Pb collisions at ...Daha fazlası

Makale 2014 5 Görüntülenme
Erişime Açık

Centrality, rapidity and transverse momentum dependence of J/ψ suppression in Pb–Pb collisions at sNN = 2.76 TeV

KARASU UYSAL, Ayben | ALICE Collaboration

he inclusive J/ψ nuclear modification factor (RAA) in Pb–Pb collisions at √sNN = 2.76 TeV has been measured by ALICE as a function of centrality in the e+e− decay channel at mid-rapidity (|y| < 0.8) and as a function of centrality, transverse momentum and rapidity in the μ+μ− decay channel at forward-rapidity (2.5 < y < 4). The J/ψ yields measured in Pb–Pb are suppressed compared to those in pp collisions scaled by the number of binary collisions. The RAA integrated over a centrality range corresponding to 90% of the inelastic Pb–Pb cross section is 0.72 ± 0.06(stat.) ± 0.10(syst.) at mid-rapi ...Daha fazlası

Makale 2014 2 Görüntülenme
Erişime Açık

J/ψ production and nuclear effects in p-Pb collisions at √sNN=5.02 TeV

KARASU UYSAL, Ayben | ALICE Collaboration

Inclusive J/ψ production has been studied with the ALICE detector in p-Pb collisions at the nucleon–nucleon center of mass energy √sNN = 5.02TeV at the CERN LHC. The measurement is performed in the center of mass rapidity domains 2.03 < ycms < 3.53 and −4.46 < ycms < −2.96, down to zero transverse momentum, studying the μ+μ− decay mode. In this paper, the J/ψ production cross section and the nuclear modification factor RpPb for the rapidities under study are presented. While at forward rapidity, corresponding to the proton direction, a suppression of the J/ψ yield with respect to binary-scaled ...Daha fazlası

Makale 2014 2 Görüntülenme
Erişime Açık

Two- and three-pion quantum statistics correlations in Pb-Pb collisions at √ s N N = 2.76 TeV at the CERN Large Hadron Collider

KARASU UYSAL, Ayben | ALICE Collaboration

Correlations induced by quantum statistics are sensitive to the spatiotemporal extent as well as dynamics of particle-emitting sources in heavy-ion collisions. In addition, such correlations can be used to search for the presence of a coherent component of pion production. Two- and three-pion correlations of same and mixed charge are measured at low relative momentum to estimate the coherent fraction of charged pions in Pb-Pb collisions at √sNN = 2.76 TeV at the CERN Large Hadron Collider with ALICE. The genuine three-pion quantum statistics correlation is found to be suppressed relative to th ...Daha fazlası

Makale 2014 7 Görüntülenme
Erişime Açık

Advanced-Collision-Map-Based On-line Collision and Deadloack Avoidance between Two Robot Manipulators with PTP Commands

AFAGHANI, Ahmad Yasser

This research aims to build an on-line system for avoiding collisions and deadlocks between two robot manipulators which are controlled using point-to-point (PTP) commands. Both robots are sharing the same workspace and have no prior knowledge of the commands which will be sent after starting the system. We have proposed a collision map concept for detecting the collisions between the end-effectors of the robots [1]. In this work, an advanced collision map method has been created for detecting the collisions between the whole body of the robots and representing them as collision areas on the m ...Daha fazlası

Konferans Bildirisi 2014 AIYAMA, Yasumichi IEEE International Conferece on Automation Science and Engineering (CASE) 6 Görüntülenme
Erişime Açık

Empirical Study of Email Security Threats and Countermeasures

DHINAHAR, Nagamalai | DHINAHAR, Beatrice Cynthia | ÖZCAN, Abdulkadir | OKATAN, Ali | LEE, Jae-Kwang

Due to wide range of users, email had emerged as one of the preferred method to intrude Local area networks and end users. In this paper we examine the characteristics of various email security threats and the technology used by attackers. In order to counter defense technology, attackers change their mode of operation frequently. The continuous evaluation of attacker's pattern will help the industry to combat attacks effectively. In our study, we collected several thousand spam from a corporate server for a period of 12 months from Jan 2012 to Jan 2013. From the collected data, we identified ...Daha fazlası

Konferans Bildirisi 2014 SPRINGER 2 Görüntülenme
Erişime Açık

Suppression of Υ (1S) at forward rapidity in Pb–Pb collisions at √sNN = 2.76 TeV

KARASU UYSAL, Ayben | ALICE Collaboration

We report on the measurement of the inclusive Υ (1S) production in Pb–Pb collisions at √sNN = 2.76 TeV carried out at forward rapidity (2.5 < y < 4) and down to zero transverse momentum using its μ+μ− decay channel with the ALICE detector at the Large Hadron Collider. A strong suppression of the inclusive Υ(1S) yield is observed with respect to pp collisions scaled by the number of independent nucleon– nucleon collisions. The nuclear modification factor, for events in the 0–90% centrality range, amounts to 0.30 ± 0.05(stat) ± 0.04(syst). The observed Υ (1S) suppression tends to increase with t ...Daha fazlası

Makale 2014 7 Görüntülenme
Erişime Açık

Multiplicity dependence of jet-like two-particle correlation structures in p–Pb collisions at √sNN = 5.02 TeV

KARASU UYSAL, Ayben | ALICE Collaboration

Two-particle angular correlations between unidentified charged trigger and associated particles are measured by the ALICE detector in p–Pb collisions at a nucleon–nucleon centre-of-mass energy of 5.02 TeV. The transverse-momentum range 0.7 < pT,assoc < pT,trig < 5.0 GeV/c is examined, to include correlations induced by jets originating from low momentum-transfer scatterings (minijets). The correlations expressed as associated yield per trigger particle are obtained in the pseudorapidity range |η| < 0.9. The near-side long-range pseudorapidity correlations observed in high-multiplicity p–Pb col ...Daha fazlası

Makale 2014 7 Görüntülenme
Erişime Açık

Functional Mobility On Discharge Day After Total Knee and Hip Replacement Surgery

KINIKLI, Gizem İrem | GÜNEY, Hande | KARAMAN, Ayşenur | YILMAZ, Kamil | ÇAĞLAR, Ömür | YÜKSEL, İnci

Purpose: To examine functional mobility status on discharge day after total knee and hip replacement surgery in post-acute care hospital setting. Methods: Eighty patients following total knee and hip replacement surgery were assessed with the de Morton Mobility Index (DEMMI), the Timed-Up-and-Go (TUG) and Five Times Sit to Stand Test, the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) measurements of mobility-related activity on discharge day. Demographic information comprised age, body mass index, gender, type of surgery,length of hospital stay. Since the normality of ...Daha fazlası

Makale 2014 TURKISH JOURNAL OF PHYSIOTHERAPY AND REHABILITATION 5 Görüntülenme
Erişime Açık

Multiparticle azimuthal correlations in p-Pb and Pb-Pb collisions at the CERN Large Hadron Collider

KARASU UYSAL, Ayben | ALICE Collaboration

Measurements of multiparticle azimuthal correlations (cumulants) for charged particles in p-Pb at √sNN = 5.02 TeV and Pb-Pb at √sNN = 2.76 TeV collisions are presented. They help address the question of whether there is evidence for global, flowlike, azimuthal correlations in the p-Pb system. Comparisons are made to measurements from the larger Pb-Pb system, where such evidence is established. In particular, the second harmonic two-particle cumulants are found to decrease with multiplicity, characteristic of a dominance of few-particle correlations in p-Pb collisions. However, when a |η| gap i ...Daha fazlası

Makale 2014 3 Görüntülenme
Erişime Açık

Suppression of ψ(2S) production in p-Pb collisions at √sNN = 5.02 TeV

KARASU UYSAL, Ayben | ALICE Collaboration

The ALICE Collaboration has studied the inclusive production of the char- monium state ψ(2S) in proton-lead (p-Pb) collisions at the nucleon-nucleon centre of mass energy √sNN = 5.02 TeV at the CERN LHC. The measurement was performed at forward (2.03 < ycms < 3.53) and backward (−4.46 < ycms < −2.96) centre of mass rapidities, studying the decays into muon pairs. In this paper, we present the inclusive production cross sections σψ(2S), both integrated and as a function of the transverse momentum pT, for the two ycms domains. The results are compared to those obtained for the 1S vector state (J ...Daha fazlası

Makale 2014 3 Görüntülenme
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