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Filtreler
Bulunan: 36 Adet 0.002 sn
Yayın Tarihi : 2014 ✕Atıf Dizini : Scopus ✕
Koleksiyon [9]
İlgili Araştırmacılar [17]
Ambargo Durumu [1]
Tam Metin [2]
Yayın Türü [2]
Yazar/lar [20]
Atıf Dizini [2]
Konu Başlıkları [20]
Yayıncı [12]
Tez Danışmanı [1]
Yayın Tarihi [1]
Yayın Dili [3]
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

A Short Survey of Linked Data Ranking

YUMUŞAK, Semih | DOĞDU, Erdoğan | KODAZ, Halife

Linked data systems are still far from maturity. Hence, the basic principles are still open for discussion. In our study on building a novel linked data search engine, we have surveyed fundamental methods of internet search technologies in the context of linked data crawling, indexing, ranking, and monitoring. The scope of this ranking survey covers linked data related statistical ranking, database ranking, document level ranking, and Web ranking techniques. In order to classify the linked data ranking methods, we identified a number of categories. These categories are ontology ranking, RDF ra ...Daha fazlası

Konferans Bildirisi 2014 Association for Computing Machinery, Inc 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

A Data-Model Driven Web Application Development Framework

DOĞDU, Erdoğan | HAKİMOV, Sherzod | YUMUŞAK, Semih

Model-driven approach for web application development is an important topic in software engineering. There are many existing tools to support model-driven engineering for web application development. However, most tools and techniques are complex and not very practical when it comes to real-life usage. Here we present a simple data model-driven approach for web application development that is based on RDF data model, the basic semantic Web data model, and its reasoning capabilities. We introduce a prototype implementation of the data model-driven Web application development framework that util ...Daha fazlası

Konferans Bildirisi 2014 Association for Computing Machinery, Inc 3 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

Relay-assisted OFDM transmission for indoor visible light communication

KIZILIRMAK, Refik Çağlar | UYSAL, Murat

In this study, we investigate a relay-assisted visible light communication (VLC) system where an intermediate light source cooperates with the main light source. Specifically, we consider two light sources in an office space; one is the information source employed on the ceiling and the other one is a task light mounted on a desk. Our system builds upon DC biased optical orthogonal frequency division multiplexing (DCO-OFDM). The task light performs amplify-and-forward relaying to assist the communication and operates in half-duplex mode. We investigate the error rate performance of the propose ...Daha fazlası

Konferans Bildirisi 2014 IEEE Computer Society 7 Görüntülenme
Erişime Açık

A Novel Microwave Coaxial Slot Antenna for Liver Tumor Ablation

AÇIKGÖZ, Hulusi | TÜRER, İbrahim

This paper is on the effect of a T-ring shape structure to enhance the capability of a microwave coaxial slot antenna (MCA) in the treatment of liver cancer. The MCA is composed of an interstitial coaxial line that is enclosed in a catheter. The T-ring shape structure is wrapped on the outer conductor of the MCA. Thanks to the new structure, the backward heating problem appearing in many coaxial antennas is reduced and the generated heat in front of the slot is higher than those for a classical MCA. © 2014, Tarbiat Modares University. All rights reserved.

Makale 2014 Advanced Electromagnetics 4 Görüntülenme
Erişime Açık

Photo-electrochemical communication between cyanobacteria (Leptolyngbia sp.) and osmium redox polymer modified electrodes

KAMRUL, Hasan | YILDIZ, Hüseyin Bekir | SPERLING, Eva | CONGHAILE, Peter Ó | PACKER, Michael A | DÓNAL, Leech | HÄGERHÄLL , Cecilia | GORTON, Lo

Photosynthetic microbial fuel cells (PMFCs) are an emerging technology for renewable solar energy conversion. Major efforts have been made to explore the electrogenic activity of cyanobacteria, mostly using practically unsustainable reagents. Here we report on photocurrent generation (≈8.64 µA cm-2) from cyanobacteria immobilized on electrodes modified with an efficient electron mediator, an Os2+/3+ redox polymer. Upon addition of ferricyanide to the electrolyte, cyanobacteria generate the maximum current density of ≈48.2 µA cm-2. © the Partner Organisations 2014.

Makale 2014 4 Görüntülenme
Erişime Açık

Effect of Bentonite, Fly Ash and Silica Fume cement injections on uniaxial compressive strength of granular bases

TAN, Özcan | GÜNGÖRMÜŞ, Gökhan | ZAİMOĞLU, Ahmet Şahin

Injection is one of the methods to improve the engineering properties of bases. Various additions as well as cement are used for preparations of injection blends in order to lower costs and reach better results. For this purpose in the preparation of the injection blends, Bentonite (B), Fly Ash (FA) and Silica Fume (SF) were used at the ratios of 0-0.5-1-3%, 10-20-30-40% and 0-5-10-20%, respectively. Taguchi method was applied for the experiment and L16 Orthogonal (OA) with three factors and four levels were chosen. Granular bases having 0.70 relative density was settled into a cylindrical mol ...Daha fazlası

Makale 2014 Springer Verlag 3 Görüntülenme
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