Rectorate / Rektörlük

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  • Article
    Citation - Scopus: 1
    İzmir'in bir dağ köyü: Yamanlar ve Yamanlar Yörükleri üzerine etnotarihsel bir inceleme
    (Rector CIU Cyprus int Univ, 2023) Ustuk, Ozan
    This study examines the history, language, social, and economic transformation of the Yuruks living in the Yamanlar Village located in the Karsiyaka district, where there is relatively little information in the literature despite its proximity to the Izmir city center. Information collected from the Ottoman Era cemetery adjoining the village reveals that the Yamanlar Yuruks have lived here for at least 400 years. Mount Yamanlar, where the village is located, is of great importance because of its ancient history, as it witnessed the founding of Izmir (Smyrna). The social and economic lifestyle in the village has transformed as the city expanded toward residential areas atop Mount Yamanlar. The loss of traditional livelihood practices challenged the villagers and severely influenced their customs, which might be considered valuable pieces of cultural heritage. In this study, we conducted fieldwork, during which various data collection methods and techniques were employed to describe daily life in the village. Within the scope of this study, semi-structured and unstructured interviews were conducted with the local people, and an oral historical study was carried out. With this method, we aimed to present an ethnohistorical description of the Yamanlar Village by trying to establish a balance between the analysis of both written documents and oral data to make sense of the social and economic change it has undergone and to contribute to the literature on Izmir Yuruks.
  • Book Part
    Eu as a Good (enough) Governance Exporter in Kosovo? Local Views on the Aborted Kosovo E Re Power Plant Project
    (Springer, 2022) Buhari Gülmez, Didem; Aydın Dikmen, Bengü
    This study focuses on the EU's perceived role in Kosovo as a good governance exporter through political conditionality. Local debates on the EU's stance towards the recently aborted coal power plant project (Kosovo e Re) reflect a disappointment with the EU's failure to prioritise good governance reforms that have not been implemented sufficiently in Kosovo. The study mainly benefits from interviews conducted in Pristina in 2019 in order to explore various EU, domestic and international factors hindering the EU's capability as a good governance exporter. Following the EU's limited transformative agency in contested states, it concludes that the EU is perceived by local actors in Kosovo as a "good enough governance" exporter that favours stability in the region and transatlantic partnership at the expense of good governance reforms. © The Author(s), under exclusive license to Springer Nature Switzerland AG 2022.
  • Book Part
    Citation - Scopus: 1
    Field Experiments in Bargaining
    (Springer, 2022) Dindaroğlu, Burak; Ertaç, Seda
    Understanding price formation and surplus division in bargaining contexts has long been of interest to economists. Laboratory experiments contribute to our understanding of bargaining by inducing valuations and costs, which are usually unobserved in natural negotiation settings, and allow control over the negotiation process. Field experiments, on the other hand, allow economists to study bargaining in more natural contexts with higher external validity, and can be particularly useful when bargaining behavior draws on context-specific characteristics and experiences that may be stripped in lab settings or involves biases that would not surface under observability. In this chapter, we provide an overview of field experiments studying bargaining behavior and outcomes in a variety of settings, from bargaining for auto rickshaw to markets for livestock. We offer a methodological discussion, position field experiments in bargaining in the tradition of field experiments in economics at large, and highlight difficulties in the design and implementation of fieldwork for such environments. We also discuss potential areas and issues where future field experiments are of special importance for understanding price formation in bargaining. © The Editor(s) (if applicable) and The Author(s), under exclusive licence to Springer Nature Switzerland AG 2022.
  • Book Part
    Citation - Scopus: 1
    Destined for Coal?: a "hierarchy of Harms" and the Prospects of Renewable Energy in Kosovo
    (Springer, 2022) Aydın Dikmen, Bengü; Buhari Gülmez, Didem
    Relying on interviews conducted in the summer of 2019 with parliamentary advisors, civil society activists, public officials and the EU, OSCE, and UNDP missions in Kosovo, this study provides an overview of the debates about the building of the new coal power plant by a US-led (UK-based) Company ContourGlobal. It discusses how different actors in Kosovo state and society approach the renewable energy question. An important obstacle against Kosovo's transition to renewable energy derives from the absence of consensus about the main threats and goals facing Kosovo. In this context, rationalist and constructivist stances imply different "hierarchies of harms". © The Author(s), under exclusive license to Springer Nature Switzerland AG 2022. All rights reserved.
  • Article
    Citation - WoS: 205
    Citation - Scopus: 159
    Search for Resonances and Quantum Black Holes Using Dijet Mass Spectra in Proton-Proton Collisions at S =8tev
    (American Physical Society, 2015) Khachatryan, V.; Sirunyan, A.M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Hegeman, J.
    A search for resonances and quantum black holes is performed using the dijet mass spectra measured in proton-proton collisions at s=8TeV with the CMS detector at the LHC. The data set corresponds to an integrated luminosity of 19.7fb-1. In a search for narrow resonances that couple to quark-quark, quark-gluon, or gluon-gluon pairs, model-independent upper limits, at 95% confidence level, are obtained on the production cross section of resonances, with masses above 1.2 TeV. When interpreted in the context of specific models the limits exclude string resonances with masses below 5.0 TeV; excited quarks below 3.5 TeV; scalar diquarks below 4.7 TeV; W′ bosons below 1.9 TeV or between 2.0 and 2.2 TeV; Z′ bosons below 1.7 TeV; and Randall-Sundrum gravitons below 1.6 TeV. A separate search is conducted for narrow resonances that decay to final states including b quarks. The first exclusion limit is set for excited b quarks, with a lower mass limit between 1.2 and 1.6 TeV depending on their decay properties. Searches are also carried out for wide resonances, assuming for the first time width-to-mass ratios up to 30%, and for quantum black holes with a range of model parameters. The wide resonance search excludes axigluons and colorons with mass below 3.6 TeV, and color-octet scalars with mass below 2.5 TeV. Lower bounds between 5.0 and 6.3 TeV are set on the masses of quantum black holes. © 2015 CERN, for the CMS Collaboration.
  • Article
    Citation - WoS: 1
    Citation - Scopus: 6
    Search for Supersymmetry With Photons in Pp Collisions at S =8tev
    (American Physical Society, 2015) Khachatryan, V.; Sirunyan, A.M.; Tumasyan, A.; Adam, W.; Asilar, E.; Bergauer, T.; Calvo, E.
    Two searches for physics beyond the standard model in events containing photons are presented. The data sample used corresponds to an integrated luminosity of 19.7fb-1 of proton-proton collisions at s=8TeV, collected with the CMS experiment at the CERN LHC. The analyses pursue different inclusive search strategies. One analysis requires at least one photon, at least two jets, and a large amount of transverse momentum imbalance, while the other selects events with at least two photons and at least one jet, and uses the razor variables to search for signal events. The background expected from standard model processes is evaluated mainly from data. The results are interpreted in the context of general gauge-mediated supersymmetry, with the next-to-lightest supersymmetric particle either a bino- or wino-like neutralino, and within simplified model scenarios. Upper limits at the 95% confidence level are obtained for cross sections as functions of the masses of the intermediate supersymmetric particles. © 2015 CERN. © 2015 CERN, for the CMS Collaboration. Published by the American Physical Society under the terms of the "http://creativecommons.org/licenses/by/3.0/" Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.
  • Article
    Citation - WoS: 65
    Citation - Scopus: 62
    Search for the standard model Higgs boson produced through vector boson fusion and decaying to b¯b
    (American Physical Society, 2015) CMS Collaboration; Karapınar, Güler
    A first search is reported for a standard model Higgs boson (H) that is produced through vector boson fusion and decays to a bottom-quark pair. Two data samples, corresponding to integrated luminosities of 19.8fb-1 and 18.3fb-1 of proton-proton collisions at s=8TeV were selected for this channel at the CERN LHC. The observed significance in these data samples for a H→bb¯ signal at a mass of 125 GeV is 2.2 standard deviations, while the expected significance is 0.8 standard deviations. The fitted signal strength μ=σ/σSM=2.8-1.4+1.6. The combination of this result with other CMS searches for the Higgs boson decaying to a b-quark pair yields a signal strength of 1.0±0.4, corresponding to a signal significance of 2.6 standard deviations for a Higgs boson mass of 125 GeV. © 2015 CERN.
  • Article
    Citation - WoS: 48
    Citation - Scopus: 69
    Limits on the Higgs Boson Lifetime and Width From Its Decay To Four Charged Leptons
    (American Physical Society, 2015) Khachatryan, V.; Khachatryan, V.; Sirunyan, A.M.; Tumasyan, A.; Adam, W.; Asilar, E.; Soares, M.S.
    Constraints on the lifetime and width of the Higgs boson are obtained from H→ZZ→4ℓ events using data recorded by the CMS experiment during the LHC run 1 with an integrated luminosity of 5.1 and 19.7fb-1 at a center-of-mass energy of 7 and 8 TeV, respectively. The measurement of the Higgs boson lifetime is derived from its flight distance in the CMS detector with an upper bound of τH<1.9×10-13s at the 95% confidence level (C.L.), corresponding to a lower bound on the width of ΓH>3.5×10-9MeV. The measurement of the width is obtained from an off-shell production technique, generalized to include anomalous couplings of the Higgs boson to two electroweak bosons. From this measurement, a joint constraint is set on the Higgs boson width and a parameter fΛQ that expresses an anomalous coupling contribution as an on-shell cross-section fraction. The limit on the Higgs boson width is ΓH<46MeV with fΛQ unconstrained and ΓH<26MeV for fΛQ=0 at the 95% C.L. The constraint fΛQ<3.8×10-3 at the 95% C.L. is obtained for the expected standard model Higgs boson width. © 2015 CERN, for the CMS. Published by the American Physical Society.
  • Article
    Citation - WoS: 35
    Citation - Scopus: 93
    Search for Resonant and Nonresonant Higgs Boson Pair Production in the B B ¯final State in Proton-Proton Collisions at ?s=13 Tev
    (Springer Verlag, 2018) CMS Collaboration; Karapınar, Güler
    Searches for resonant and nonresonant pair-produced Higgs bosons (HH) decaying respectively into , through either W or Z bosons, and b b ¯ are presented. The analyses are based on a sample of proton-proton collisions at s=13 TeV, collected by the CMS experiment at the LHC, corresponding to an integrated luminosity of 35.9 fb −1 . Data and predictions from the standard model are in agreement within uncertainties. For the standard model HH hypothesis, the data exclude at 95% confidence level a product of the production cross section and branching fraction larger than 72 fb, corresponding to 79 times the standard model prediction. Constraints are placed on different scenarios considering anomalous couplings, which could affect the rate and kinematics of HH production. Upper limits at 95% confidence level are set on the production cross section of narrow-width spin-0 and spin-2 particles decaying to Higgs boson pairs, the latter produced with minimal gravity-like coupling.
  • Article
    Citation - WoS: 24
    Citation - Scopus: 26
    Pseudorapidity Distributions of Charged Hadrons in Proton-Lead Collisions at ?snn=5.02 and 8.16 Tev
    (Springer Verlag, 2018) CMS Collaboration; Karapınar, Güler
    The pseudorapidity distributions of charged hadrons in proton-lead collisions at nucleon-nucleon center-of-mass energies sNN=5.02 and 8.16 TeV are presented. The measurements are based on data samples collected by the CMS experiment at the LHC. The number of primary charged hadrons produced in non-single-diffractive proton-lead collisions is determined in the pseudorapidity range |η lab | < 2.4. The charged-hadron multiplicity distributions are compared to the predictions from theoretical calculations and Monte Carlo event generators. In the center-of-mass pseudorapidity range |η cm | < 0.5, the average charged-hadron multiplicity densities 〈dN ch /dη cm 〉 |ηcm| < 0.5 are 17.31 ± 0.01 (stat) ± 0.59 (syst) and 20.10 ± 0.01 (stat) ± 0.85(syst) at sNN=5.02 and 8.16 TeV, respectively. The particle densities per participant nucleon are compared to similar measurements in proton-proton, proton-nucleus, and nucleus-nucleus collisions.