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Bulunan: 2.868 Adet 0.006 sn
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Erişime Açık

Rapidity and transverse-momentum dependence of the inclusive J/ψ nuclear modification factor in p-Pb collisionsat√sNN =5.02TeV

KARASU UYSAL, Ayben | ALICE Collaboration

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 backward rapidity ranges (2.03 < ycms < 3.53 and −4.46 < ycms < −2.96) are obtained by studying the J/ψ decay to μ+μ−, while the mid-rapidity region (−1.37 < ycms < 0.43) is investigated by measuring the e+e− decay channel. The pT dependence of the J/ψ production cross section and nuclear modification factor are presented for each of the rapidity intervals, as well as the J/ψ me ...Daha fazlası

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Transverse momentum dependence of D-meson production in Pb-Pb collisions at √sNN=2.76 TeV

KARASU UYSAL, Ayben | ALICE Collaboration

Abstract: The production of prompt charmed mesons D0, D+ and D∗+, and their an- tiparticles, was measured with the ALICE detector in Pb-Pb collisions at the centre-of-mass energy per nucleon pair, √sNN, of 2.76TeV. The production yields for rapidity |y| < 0.5 are presented as a function of transverse momentum, pT, in the interval 1–36GeV/c for the centrality class 0–10% and in the interval 1–16 GeV/c for the centrality class 30–50%. The nuclear modification factor RAA was computed using a proton-proton reference at √√ s = 2.76 TeV, based on measurements at s = 7 TeV and on theoretical calculat ...Daha fazlası

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Inclusive, prompt and non-prompt J/ψ production at mid-rapidity in Pb-Pb collisions at √sNN = 2.76 TeV

KARASU UYSAL, Ayben | ALICE Collaboration

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 √sNN = 2.76TeV in the e+e− decay channel at mid-rapidity (|y| < 0.8). The ⟨pT⟩ is significantly smaller than the one observed for pp collisions at the same centre-of-mass energy. Consistently, an increase of RAA is observed towards low pT. These observations might be indicative of a sizable contribution of charm quark coalescence to the J/ψ production. Additionally, the fracti ...Daha fazlası

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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

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Coherent ρ0 photoproduction in ultra-peripheral Pb-Pb collisions at √sNN = 2.76 TeV

KARASU UYSAL, Ayben | ALICE Collaboration

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− decay channel at mid-rapidity. The production cross section in the rapidity range |y| < 0.5 is found to be dσ/dy = 425 ± 10 (stat.) +42 (sys.) mb. Coherent ρ0 production is studied with and without requirement −50 of nuclear breakup, and the fractional yields for various breakup scenarios are presented. The results are compared with those from lower energies and with model pre ...Daha fazlası

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İşitme Kayıplı Bireylerin Ebeveynlerine Yönelik Aile Eğitim Programı Uygulaması Ve Programın Ebeveynler Üzerindeki Etkisinin İncelenmesi

KIZILTAŞ, Mustafa

Çocuklar yaşamın ilk yıllarını öncelikle bir aile ortamında geçirdikleri için evde alınan eğitim, sonraki yılların temelini oluşturmaktadır. Bu bakımdan ailenin eğitimiyle çocuğun gelişimi arasında doğru orantı vardır. Bir aile eğitimi uygulaması olan bu çalışma, işitme kayıplı bireye sahip ebeveynlerin, ebeveynlik becerilerini ve bilgilerini geliştirmesi, çocuklarının gelişimini desteklemesi ve karşılaşılan sorunlarla başa çıkabilme yöntemlerini keşfetmesi, aile yapısını güçlendirmesi ve aile üyelerinin daha sağlıklı ve mutlu olmalarını sağlayacak bilgi ve becerileri kazandırması açısından ön ...Daha fazlası

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Electrochemical Glucose Biosensors: Whole Cell Microbial and Enzymatic Determination Based on 10-(4H-Dithieno[3,2-b:2′,3′-d]Pyrrol-4-yl)Decan-1-Amine Interfaced Glassy Carbon Electrodes

ÇEVİK, Emre | CERİT, Alaaddin | TOMBULOĞLU, Hüseyin | SABİT, Hussein | YILDIZ, Hüseyin Bekir

The fabrication of amperometric biosensors based on whole cell Gluconobacter oxydans DSMZ 2343 (G. oxydans) and glucose oxidase (GOx) was performed for the detection of glucose. Glassy carbon electrodes (GCE) were coated with a 10-(4H-dithiyeno [3,2-b:2’,3’-d]pyroll-4-il)decan-1-amine (DTP-alkyl-NH2) polymer using an electropolymerization method and the formed interface was used to connect the bacteria and the enzyme to the electrode. The transfer of electrons from enzyme to electrode was successfully demonstrated by the biocatalytic activity and unique morphology of the conducting polymer. Ch ...Daha fazlası

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Fluoroscopy-guided genicular nerves pulsed radiofrequency for chronic knee pain treatment

ARICAN, Şule | HACIBEYOĞLU, Gülçin | AKKOYUN SERT, Özlem | TUNCER UZUN, Sema | REİSLİ, Ruhiye

Objectives: The primary objective of this study was to investigate the effects of Pulsed RF application in the genicular nerve on pain and function in patients with osteoarthritis (OA) and its side effects. Methods: This study was conducted between February 2018 and June 2018. Patients who were previously administered diagnostic blocks were evaluated a day later; a drop of at least 50% in numeric pain scores was considered a positive response, and these patients were included in the Pulsed RF neurotomy procedures. Radiofrequency (RF) cannula was advanced towards targeted nerves under the guida ...Daha fazlası

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Genitourinary Syndrome of Menopause: Effects on Related Factors, Quality of Life, and Self-care Power

KARAKOÇ, Hediye | KUL UÇTU, Arzu | ÖZERDOĞAN, Nebahat

INTRODUCTION: This study aimed to determine the effects of genitourinary syndrome of menopause on related factors, quality of life, and self-care power. MATERIAL AND METHODS: This case-control epidemiological study included 300 postmenopausal women aged 48-60 years who were divided into two groups: the case group (141) with genitourinary syndrome and the control group (159) without genitourinary syndrome. Data were evaluated by chi-square and t-tests in independent groups and logistic regression analysis. RESULTS: The incidence of genitourinary syndrome of menopause was 0.61 times higher in wo ...Daha fazlası

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Electrochemical glucose biosensing via new generation DTP type conducting polymers/gold nanoparticles/glucose oxidase modified electrodes

AZAK, Hacer | KURBANOĞLU, Sevinç | YILDIZ, Hüseyin Bekir | ÖZKAN, Sibel Ayşıl

The synthesis of derivatives of dithionepyrrole is a hot subject that has been studied extensively. In this study, a novel approach for constructing different glucose biosensors using conducting polymers of 4-(4H-dithyinol[3,2-b:2′,3′-d]pyroll-4-yl)aniline and 4-(4H-dithyinol[3,2-b:2′,3′-d]pyroll-4-yl)-[1,1′-biphenyl]-4-amine is proposed. After the synthesis and characterizations of the dithionepyrrole type monomers, they were used in glucose biosensing applications. The surface of gold electrode was modified with mercaptoethane sulfonic acid and p-aminothiophenol functionalized gold nanoparti ...Daha fazlası

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İntraoperatif Manyetik Rezonans Görüntüleme

AKPINAR, Elif | ÖZTÜRK, Gülşah

Minimal invaziv tekniklere ilginin artmasıyla birlikte girişimsel işlemlerde ve nöroşirürji pratiğinde intraoperatif manyetik rezonans görüntüleme (ioMRG) teknolojisine olan ilgi artmıştır. Özellikle nöroşirürjikal girişimlerde multiplanar, gerçek zamanlı görüntüleme yapılabilmesi ve mükemmel yumuşak doku çözünürlüğü olması nedeniyle oldukça avantajlıdır. Konvansiyonel horizontal alanlı manyetik rezonans görüntüleme (MRG)’de alan oldukça dar olduğu için hastaya ulaşmak zor ve cerrahın manevra kabiliyeti düşüktür. Ayrıca uzun enstrümanların kullanılmasına izin vermez ve operasyon esnasında MRG ...Daha fazlası

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Observation of Hot Tearing in Sr-B Modified A356 Alloy

ULUDAĞ, Muhammet | ÇETİN, Remzi | DIŞPINAR, Derya

In this work, T-shaped mould design was used to generate hot spot and the effect of Sr and B on the hot tearing susceptibility of A356 was investigated. The die temperature was kept at 250°C and the pouring was carried out at 740°C. The amonut of Sr and B additions were 30 and 10 ppm, respectively. One of the most important defects that may exist in cast aluminium is the presence of bifilms. Bifilms can form by the surface turbulence of liquid metal. During such an action, two unbonded surfaces of oxides fold over each other which act as a crack. Therefore, this defect cause many problems in t ...Daha fazlası

6698 sayılı Kişisel Verilerin Korunması Kanunu kapsamında yükümlülüklerimiz ve cerez politikamız hakkında bilgi sahibi olmak için alttaki bağlantıyı kullanabilirsiniz.

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