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CTD2020: A Quantum Graph Network Approach to Particle Track Reconstruction
Tüysüz, Cenk; Demirköz, Melahat Bilge; Dobos, Daniel; Fracas, Fabio; Carminati, Federico; Vlimant, Jean-Roch; Potamianos, Karolos; Novotny, Kristiane; Vallecorsa, Sofia (2020-4-20)
The unprecedented increase of complexity and scale of data is expected in the necessary computation for tracking detectors of the High Luminosity Large Hadron Collider (HL-LHC) experiments. While currently used Kalman filt...
Run-away IMBH formation in dense star clusters
Freitag, M; Gürkan, Mehmet Atakan; Rasio, FA (2004-01-01)
We have established under which conditions core collapse of a spherical cluster occurs before massive stars have time to evolve off the main sequence (MS). We consider cluster central velocity dispersions of 100 km s(-1) a...
The OPERA experiment
Güler, Ali Murat; KAMIŞCIOĞLU, ÇAĞIN; Kamışcıoğlu, Mustafa; Agafonova, Natali; Aleksandrov, Andrey; Anokhina, Anna; Aoki, Shigeki; Ariga, Akitaka; Bender, Deniz (2015-10-01)
The OPERA experiment was designed to study oscillations in appearance mode using the CERN to Gran Sasso high energy neutrino beam. From 2008 to 2012, 19505 CNGS neutrino interactions were recorded in the OPERA detector. A...
Longitudinally pumped Ne-like titanium x-ray laser simulation with a post-processor code coupled to EHYBRID
DEMİR, ALİ; AKMAN, ERHAN; Bilikmen, S.; Demir, P.; Ince, S.; KAÇAR, ELİF; Yurdanur, E.; YALTKAYA, ŞERAFETTİN (2006-08-25)
Longitudinal pumping with a grazing incidence scheme of Ne-like Ti has been modeled by using the EHYBRID and a post-processor code. The atomic data that are required in the simulation are obtained by using the Cowan code. ...
Thermal characterisation of quantum cascade lasers with Fabry Perot modes
Gundogdu, Sinan; Pisheh, Hadi Sedaghat; Demir, Abdullah; Guenoven, Mete; AYDINLI, ATİLLA; Sirtori, Carlo (2018-04-26)
Quantum cascade lasers are coherent light sources that rely on intrersubband transition in periodic semiconductor quantum well structures. They operate at frequencies from mid-infrared to terahertz. In cases of long wavele...
Simulation of longitudinally pumped Ni-like molybdenum X-ray laser medium using post-processor code coupled to EHYBRID
KAÇAR, ELİF; Demir, P.; Demir, P.; DEMİR, ALİ; YALTKAYA, ŞERAFETTİN (2006-08-25)
Longitudinally pumped Ni-like Mo x-ray laser media is modeled using EHYBRID and a post-processor code. The required atomic data are obtained using the Cowan code. In this study the pre-formed plasma is pumped on longitudin...
Monomode hybrid longitudinal CO2 laser for material processing
Udrea, M; Alacakir, A; Bilikmen, S; Kusdemir, O; Pervan, O (1999-10-27)
A hybrid with small average power CO2 laser is presented. The laser might operate both in a continuous regime and in a pulsed one. The advantages of the good optical quality beam of a longitudinal discharge laser and of a ...
Theoretical and experimental investigation of soft x-rays emitted from TIN plasmas for lithographic application
Demir, Pinar; KAÇAR, ELİF; AKMAN, ERHAN; Bilikmen, Sinan Kadri; DEMİR, ARİF (2007-08-27)
Extreme ultraviolet lithography (EUVL) requires an emission of soft x-rays around a wavelength region of 13.5 nm. EHYBRID simulation was made under the laser operation at 1064 nm with a pulse duration of 6 ns. Intensity wa...
Conversion Efficiency Calculations for Soft X-Rays Emitted from Tin Plasma for Lithography Applications
Demir, P.; Demir, P.; KAÇAR, ELİF; Bilikmen, S. K.; DEMİR, ALİ (2008-08-22)
Laser-produced plasmas can be used as extreme ultraviolet (EUV) sources for lithography, operating in the 13.5 nm range. Soft X-rays emitted from laser-produced tin plasma were simulated using the EHYBRID code. Required at...
Micro processing by intense fast electron beam
Goktas, H; Kirkici, H; Oke, G; Udrea, M (2001-06-22)
Generation of intense electron beams by superposing two discharges, namely a low pressure do glow discharge and a high current pulsed discharge at pressures and voltages very similar to that of the pseudo-spark gap devices...