• Brightness and Uniformity Measurements of Plastic Scintillator Tiles At The Cern H2 Test Beam 

      Sirunyan, A. M.; Tumasyan, A.; Chatrchyan, S.; Litomin, A.; Mossolov, V.; Shumeiko, N. (Iop Publishing Ltd, 2018)
      We study the light output, light collection efficiency and signal timing of a variety of organic scintillators that are being considered for the upgrade of the hadronic calorimeter of the CMS detector. The experimental ...
    • Effect of Gate Structures on The Dc and Rf Performance of Algan/Gan Hemts 

      Toprak, Ahmet; Osmanoğlu, Sinan; Öztürk, Mustafa; Yılmaz, Doğan; Cengiz, Ömer; Şen, Özlem; Bütün, Bayram; Şadan, Özcan; Özbay, Ekmel (Iop Publishing Ltd, 2018)
      This work analyzes the effect of various gate structures on the DC and radio frequency (RF) performance of AlGaN/GaN high-electron mobility transistors (HEMTs). AlGaN/GaN HEMT devices with a 3 mu m drain-to-source spacing, ...
    • Jet Energy Scale and Resolution in the Cms Experiment in Pp Collisions at 8 Tev 

      Gündoğdu, Cevher; Göçmentürk, Mustafa; Ergün, Yavuz; Tercan, Barış; Hökelek, Tuncer (Iop Publishing Ltd, 2017)
      Improved jet energy scale corrections, based on a data sample corresponding to an integrated luminosity of 19.7 fb(-1) collected by the CMS experiment in proton-proton collisions at a center-of-mass energy of 8 TeV, are ...
    • Lhc Forward Physics 

      Necefoğlu, Hacali; Maracı, Ali; Özbek, Füreya Elif; Tercan, Barış; Hökelek, Tuncer (Iop Publishing Ltd, 2016)
    • Mechanical Stability Of The Cms Strip Tracker Measured With A Laser Alignment System 

      Uludağ, Nesimi; Ateş, Murat; Tercan, Barış; Ermiş, Emel; Hökelek, Tuncer (Iop Publishing Ltd, 2017)
      The CMS tracker consists of 206m(2) of silicon strip sensors assembled on carbon fibre composite structures and is designed for operation in the temperature range from -25 to + 25 degrees C. The mechanical stability of ...
    • Multicanonical Molecular Dynamics Simulations Of The N-Terminal Domain Of Protein L9 

      Yaşar, Fatih; Jiang ,Ping; Hansmann ,Ulrich H. E. (Iop Publishing Ltd, 2014)
      We describe multicanonical molecular dynamic simulations of the N-terminal domain of the protein L9. Analyzing free energy landscapes and thermal ordering, we propose a possible folding mechanism for the protein. By comparing ...
    • Particle-Flow Reconstruction and Global Event Description with the Cms Detector 

      Gülle, Sibel; Çaylak Delibaş, Nagihan; Ergün, Yavuz; Hökelek, Tuncer (Iop Publishing Ltd, 2017)
      The CMS apparatus was identified, a few years before the start of the LHC operation at CERN, to feature properties well suited to particle-flow (PF) reconstruction: a highly-segmented tracker, a fine-grained electromagnetic ...
    • Performance of Reconstruction and Identification of Tau Leptons Decaying to Hadrons And Nu(Tau) in Pp Collisions at Root S=13 Tev 

      Hökelek, Tuncer; Biçer, Nusret Tuna; Seferoğlu, Zeynel; Şahin, Ertan (Iop Publishing Ltd, 2018)
      The algorithm developed by the CMS Collaboration to reconstruct and identify tau leptons produced in proton-proton collisions at root s = 7 and 8 TeV, via their decays to hadrons and a neutrino, has been significantly ...
    • Precision Measurement of the Structure of the Cms Inner Tracking System Using Nuclear Interactions 

      Sirunyan, A. M.; Tumasyon, A.; Adam, W.; Amborgi, F.; Asilar, E.; Bergauer, T.; Brandstetter, J; Brondolin, E.; Dragicevic, M.; Eroe, J.; Del Valle, A. Escalante; Flechl, M.; Fruehwirth, R.; Ghete, V. M.; Grossmann, J.; Hrubec, J.; Jeitler, M.; Koenig, A (Iop Publishing Ltd, 2018)
      The structure of the CMS inner tracking system has been studied using nuclear interactions of hadrons striking its material. Data from proton-proton collisions at a center-of-mass energy of 13 TeV recorded in 2015 at the ...
    • Radioactive Source Calibration Test of the Cms Hadron Endcap Calorimeter Test Wedge with Phase I Upgrade Electronics 

      Chatrchyan, S.; Sirunyan, A. M.; Tumasyan, A.; Litomin, A.; Mossolov, V.; Shumeiko, N.; at al. (Iop Publishing Ltd, 2017)
      The Phase I upgrade of the CMS Hadron Endcap Calorimeters consists of new photodetectors (Silicon Photomultipliers in place of Hybrid Photo-Diodes) and front-end electronics. The upgrade will eliminate the noise and the ...
    • Reconstruction and Identification of Tau Lepton Decays to Hadrons and Nu(Tau) at Cms 

      Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Asilar, E.; Bergauer, T.; Brandstetter, J.; Brondolin, E.; Dragicevic, M.; Eroe, J.; Flechl, M.; et al. (Iop Publishing Ltd, 2016)
      This paper describes the algorithms used by the CMS experiment to reconstruct and identify tau -> hadrons + nu(tau) decays during Run 1 of the LHC. The performance of the algorithms is studied in proton-proton collisions ...
    • The Cms Trigger System 

      Whitehead, N. E.; Ulusoy, U. (Iop Publishing Ltd, 2017)
      This paper describes the CMS trigger system and its performance during Run 1 of the LHC. The trigger system consists of two levels designed to select events of potential physics interest from a GHz (MHz) interaction rate ...