Browsing Mühendislik ve Doğa Bilimleri Fakültesi by Issue Date
Now showing items 21-40 of 417
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Centrality, rapidity and transverse momentum dependence of J/ψ suppression in Pb–Pb collisions at sNN = 2.76 TeV
(2014)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 ... -
J/ψ production and nuclear effects in p-Pb collisions at √sNN=5.02 TeV
(2014)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 ... -
Two- and three-pion quantum statistics correlations in Pb-Pb collisions at √ s N N = 2.76 TeV at the CERN Large Hadron Collider
(2014)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 ... -
Grain Refinement, Modification, Degassing and Melt Quality Relationship in Al-7Si-0.3Mg
(2014-01-01)In this work, Al-7Si-0.3Mg alloy was studied. The alloy conditions was selected to be as-received, AlB3 grain refined and Sr modified. For each parameter, castings were made before and after degassing. In order to quantify ... -
On-Line Collision Avoidance of Two Comman-Based Industrial Robotics Arms Using Advanced Collision Map
(Journal of Robotics and Mechatronics, 2014-06-20)This paper presents the development of a new stepclimbing mechanism for heavy load carriers. According to the method of measurement used, the results of experiments are given as the values of resistance and required driving ... -
Advanced-Collision-Map-Based On-line Collision and Deadloack Avoidance between Two Robot Manipulators with PTP Commands
(IEEE International Conferece on Automation Science and Engineering (CASE), 2014-08-18)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 ... -
Defining Future Directions of Strategic Policy Decisions by Evolutionary Game Theory
(2nd International Conference on Innovations in Engineering and Technology (ICCET’2014), Penang, Malezya, 2014-09) -
Matematik Öğretmen Adaylarının Lineer Kongrüanslara İlişkin Soyutlamayı İndirgeme Eğilimleri
(Eğitim ve İnsani Bilimler Dergisi: Teori ve Uygulama, 2014-12-24)Öz: Matematik öğretmen adaylarının lisans eğitimi süresince alan bilgilerinin şekillenmesinde önemli rolü olan derslerden birisi de Sayılar Teorisi dersidir. Bu çalışmada, matematik öğretmen adaylarının, Sayılar Teorisi ... -
Coherent ψ(2S) photo-production in ultra-peripheral Pb–Pb collisions at √sNN = 2.76 TeV
(2015)We have performed the first measurement of the coherent ψ(2S) photo-production cross section in ultra- peripheral Pb–Pb collisions at the LHC. This charmonium excited state is reconstructed via the ψ(2S)→ l+l− and ... -
Measurement of charm and beauty production at central rapidity versus charged-particle multiplicity in proton-proton collisions at √s = 7 TeV
(2015)Prompt D meson and non-prompt J/ψ yields are studied as a function of the multiplicity of charged particles produced in inelastic proton-proton collisions at a centre- √ of-mass energy of s = 7TeV. The results ... -
Unsupervised Satellite Change Detection Using Particle Swarm Optimisation in Spherical Coordinates
(2015)This paper proposes a new unsupervised satellite change de- tection method, which is invariant to shadow and shading e ects. To achieve this, rstly, the RGB satellite images are transformed into spher- ical colour space ... -
Multiplicity dependence of charged pion, kaon, and (anti)proton production at large transverse momentum in p–Pb collisions at √sNN = 5.02 TeV
(2015)The production of charged pions, kaons and (anti)protons has been measured at mid-rapidity (−0.5 < y < 0) in p–Pb collisions at √sNN = 5.02 TeV using the ALICE detector at the LHC. Exploiting particle identification ... -
Centrality dependence of high-pT D meson suppression in Pb-Pb collisions at √sNN = 2.76 TeV
(2015)The nuclear modification factor, RAA, of the prompt charmed mesons D0, D+ and D∗+, and their antiparticles, was measured with the ALICE detector in Pb-Pb collisions at a centre-of-mass energy √sNN = 2.76 TeV in two transverse ... -
Elliptic flow of identified hadrons in Pb-Pb collisions at 2.76 TeV
(2015)The elliptic flow coefficient (v2) of identified particles in Pb-Pb collisions at √sNN = 2.76 TeV was measured with the ALICE detector at the Large Hadron Collider (LHC). The results were obtained with the Scalar Product ... -
Measurement of dijet kT in p–Pb collisions at √sNN = 5.02 TeV
(2015)A measurement of dijet correlations in p–Pb collisions at √sNN = 5.02 TeV with the ALICE detector is presented. Jets are reconstructed from charged particles measured in the central tracking detectors and neutral energy ... -
Rapidity and transverse-momentum dependence of the inclusive J/ψ nuclear modification factor in p-Pb collisionsat√sNN =5.02TeV
(2015)We have studied the transverse-momentum (pT) dependence of the inclusive J/ψ production in p-Pb collisions at √sNN = 5.02TeV, in three center-of-mass rapidity (ycms) regions, down to zero pT. Results in the forward and ... -
Inclusive, prompt and non-prompt J/ψ production at mid-rapidity in Pb-Pb collisions at √sNN = 2.76 TeV
(2015)The transverse momentum (pT) dependence of the nuclear modification factor RAA and the centrality dependence of the average transverse momentum ⟨pT⟩ for inclusive J/ψ have been measured with ALICE for Pb-Pb collisions at ... -
Coherent ρ0 photoproduction in ultra-peripheral Pb-Pb collisions at √sNN = 2.76 TeV
(2015)We report the first measurement at the LHC of coherent photoproduction of ρ0 mesons in ultra-peripheral Pb-Pb collisions. The invariant mass and transverse momentum distributions for ρ0 production are studied in the π+π− ... -
One-dimensional pion, kaon, and proton femtoscopy in Pb-Pb collisions at √sNN = 2.76 TeV
(2015)The size of the particle emission region in high-energy collisions can be deduced using the femtoscopic correlations of particle pairs at low relative momentum. Such correlations arise due to quantum statistics and Coulomb ... -
Two-pion femtoscopy in p-Pb collisions at √sN N = 5.02 TeV
(2015)We report the results of the femtoscopic analysis of pairs of identical pions measured in p-Pb collisions at sNN = 5.02 TeV. Femtoscopic radii are determined as a function of event multiplicity and pair momentum in three ...