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Bulunan: 623 Adet 0.001 sn
BM Sürdürülebilir Kalkınma [1]
Tam Metin [2]
Dergi Sayısı [3]
Tez Türü [2]
Yayın Dili [4]
dc.description.provenance [20]
Erişime Açık

Measurement of dielectron production in central Pb-Pb collisions at √sNN = 2.76 TeV

KARASU UYSAL, Ayben | ALICE Collaboration

The first measurement of dielectron (e+e−) production in central (0–10%) Pb–Pb collisions at √sNN = 2.76TeV at the LHC is presented. The dielectron invariant-mass spectrum is compared to the expected contributions from hadron decays in the invariant-mass range 0 < mee < 3.5 GeV/c2. The ratio of data and the cocktail of hadronic contributions without vacuum ρ0 is measured in the invariant-mass range 0.15 < mee < 0.7 GeV/c2, where an excess of dielectrons is observed in other experiments, and its value is 1.40 ± 0.28 (stat.) ± 0.08 (syst.) ± 0.27 (cocktail). The dielectron spectrum measured in t ...Daha fazlası

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Measurement of dijet kT in p–Pb collisions at √sNN = 5.02 TeV

KARASU UYSAL, Ayben | ALICE Collaboration

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 deposited in the electromagnetic calorimeter. The transverse momentum of the full jet (clustered from charged and neutral constituents) and charged jet (clustered from charged particles only) is corrected event-by-event for the contribution of the underlying event, while corrections for underlying event fluctuations and finite detector resolution are applied on an inclusive bas ...Daha fazlası

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Artmış Torasik Kifozu Bulunan Hastalarda Kinezyo Bant Uygulamasının Ağrı ve Yaşam Kalitesi Üzerine Etkileri: Randomize Kontrollü Bir Çalışma.

TORLAK, Mustafa Savaş | ÜNÜVAR, Bayram Sönmez | TÜFEKÇİ, Osman

Amaç: Bu çalışmanın amacı, artmış torasik kifozu bulunan hastalarda ev egzersiz programı (EEP) ve kinezyo bant (KT) uygulamasının ağrı ve yaşam kalitesi üzerine etkilerini incelemekti. Yöntem: Çalışmaya 28 sedanter gönüllü katıldı. Katılımcılar randomize olarak EEP+KT (n=14) ve EEP (n=14) olmak üzere iki gruba ayrıldı. Çalışmanın başlangıcında ve bitiminde sırt ağrı şiddetini değerlendirmek için Vizüel Analog Skalası (VAS) ve yaşam kalitesini değerlendirmek için Skolyoz Araştırma Derneği Sonuç Anketi (SRS-22) kullanıldı. Sonuçlar: Tedavi öncesinde vücut kütle indeksi (VKİ), yaş ve kifoz açısı ...Daha fazlası

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Doğrudan Yabancı Sermaye Yatırımları ve Büyüme İlişkisi: 2008 Krizi Sonrası Türkiye Uygulaması

AFŞAR, Bilge | CURA, Fatih | DEMİRHAN, Faruk

Sanayi devriminden sonra iktisadi olarak üretim faktörlerindeki önemlilik derecesi değişmiştir. Sermaye ve emek faktörünün önemi daha ön plana çıkmıştır. Sermaye daha çok kar sağlayacağı bölgelere yönelmeye başlamış, ülkeler ise ekonomik büyümelerini ve refah düzeyini yükseltmek amacıyla sermayeyi kendi ekonomilerine çekmeye çalışmıştır. Bu döngü günümüzde küreselleşmenin de etkisiyle daha hızlı ve esnek hale gelmiştir. Ticari anlamda sınırlar kalkmış dünya sermaye sahipleri için tek bir ülke gibi görülmeye başlanmıştır. Sermaye sahipleri geçmişte olduğu gibi günümüzde de ekonomik ve siyasi is ...Daha fazlası

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Time and volume-ratio effect on reusable polybenzoxazole nanofiber oil sorption capacity investigated via machine learning

OFLAZ, Kamil | OFLAZ, Zarina | ÖZAYTEKİN, İlkay | BASTUGAN, Rabia

Diesel oil sorption capacities (DOSCs) of polybenzoxazole/polyvinylidenefluoride nanofiber mats with four different groups (-O-, -S-S-, phenylene anddiphenylene) in the main chain structures were investigated. Different experi-mental duration and diesel-oil/tap-water volume ratio pairs were used for dieseloil sorption. No degradation was observed in the nanofiber mat structures afterdiesel oil sorption. The characterizations of polybenzoxazole (PBO) nanofiberswith high diesel oil selectivity were performed by scanning electron microscopy,atomic force microscopy, Fourier transform infrared spec ...Daha fazlası

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Elliptic flow of electrons from heavy-flavour hadron decays at mid-rapidity in Pb–Pb collisions at √sNN = 2.76 TeV

KARASU UYSAL, Ayben | ALICE Collaboration

The elliptic flow of electrons from heavy-flavour hadron decays at mid-rapidity (|y| < 0.7) is measured in Pb–Pb collisions at √sNN = 2.76 TeV with ALICE at the LHC. The particle azimuthal distribution with respect to the reaction plane can be parametrized with a Fourier expansion, where the second coefficient (v2) represents the elliptic flow. The v2 coefficient of inclusive electrons is measured in three centrality classes (0–10%, 10–20% and 20–40%) with the event plane and the scalar product methods in the transverse momentum (pT) intervals 0.5–13GeV/c and 0.5–8GeV/c, respectively. After su ...Daha fazlası

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Kumyer Mevkii Arkeolojik Seramiklerin ESR Analizi ve ESR Yaş Tayinine Uygunluğunun Belirlenmesi

EKİCİ, Gamze | SAYIN, Ülkü | IŞIK, İlker | ÖZMEN, Ayhan | KILIÇ, Hamdi Şükür

In this study paramagnetic centers in quartz minerals of Kumyer Location archeological samples were identified using Electron Spin Resonance (ESR) technique. ESR spectra were recorded at different microwave powers and various spectrometer temperatures with JEOL JESFa-300 X-band ESR spectrometer located in Selcuk University Advanced Technology Research and Application Center (İLTEK). It was determined that there is Al, Ti-Li, Ti-H and Ge paramagnetic centers which were produced by natural radiation in quartz minerals of ceramic samples and ESR parameters of these centers were measured. In order ...Daha fazlası

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A Novel EOG-Based Wireless Rapid Communication Device For People With Motor Neuron Diseases

UŞAKLI, Ali Bülent | GÜRKAN, Serkan | GÜRKAN, Guray | KAYA, Alper

In this study, a new electrooculography (EOG) based system that provides efficient communication for people suffered from motor neuron diseases is presented. The system consists of two distinct devices. The first device operates as a main unit that is activated by the subject’s eye movements. This unit is capable of transmitting 10 different command/state messages. These messages enable subject to choose his/her situation such as “I’m fine”, “I feel bad”, “I’m hungry” and “I’m thirsty”. Commands such as “Come”, “Go”. The number of messages can be increased. The main unit acquires the EOG signa ...Daha fazlası

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ESR/OSL Dating and Firing Temperature Determination of Archeological Pottery from Kumyer Location in Turkey

SAYIN, Ülkü | TOYODA, Shin | IŞIK, İlker | EKİCİ, Gamze | YÜCE SEMİZ, Ülkü Rabia | BIYIK, Recep | ÖZMEN, Ayhan

Archeological pottery is a good material that carries important data about ancient human life. Electron spin resonance (ESR) and optically stimulated luminescence (OSL) techniques are used for dating of a pottery found at Kumyer archeological site by rescue excavation from Muğla city in Turkey located at the western part of Anatolia. The ages estimated by ESR and by OSL methods are 4750±400 a and 4100±400 a, respectively, beinag consistent with an archeological analogical estimate of 3000–2000 B.C. In case of a broad signal overlapped with Al center, to take the frst peak is recommended as the ...Daha fazlası

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Forecasting of solar radiation using different machine learning approaches

DEMİR, Vahdettin | ÇITAKOĞLU, Hatice

In this study, monthly solar radiation (SR) estimation was performed using five different machine learning-based approaches. The models used are support vector machine regression (SVMR), long short-term memory (LSTM), Gaussian process regression (GPR), extreme learning machines (ELM) and K-nearest neighbors (KNN). Modeling of these approaches was carried out in two stages. In the first stage, VIF analysis was carried out to develop the model. Thus, the input parameters that decrease the performance of the model are removed. In the second stage, remaining input parameters such as meteorological ...Daha fazlası

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Search for weakly decaying

KARASU UYSAL, Ayben | ALICE Collaboration

We present results of a search for two hypothetical strange dibaryon states, i.e. the H-dibaryon and the possible !n bound state. The search is performed with the ALICE detector in central (0–10%) Pb– Pb collisions at √sNN = 2.76 TeV, by invariant mass analysis in the decay modes !n → dπ+ and Hdibaryon → !pπ−. No evidence for these bound states is observed. Upper limits are determined at 99% confidence level for a wide range of lifetimes and for the full range of branching ratios. The results are compared to thermal, coalescence and hybrid UrQMD model expectations, which describe correctly the ...Daha fazlası

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A Novel MDCM Approach for Sustainable Supplier Selection in Healthcare System in the Era of Logistics 4.0

BOZ, Esra | ÇİZMECİOĞLU, Sinan | ÇALIK, Ahmet

The COVID-19 pandemic has led to major disruptions in workflows across all industries. All sectors are trying to sustain operations during this extremely difficult time and the healthcare sector is the most important of them. It is unthinkable to stop the operations of the health system because it serves human life. Health institutions must supply the products such as masks, gloves, and ventilators subject to service on time for certain activities to continue indefinitely under all conditions. By adopting modern logistics activities and technologies, healthcare organizations can provide sustai ...Daha fazlası

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