Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2004
The performance of prototype vacuum phototriodes is presented from the first full sized supercrys... more The performance of prototype vacuum phototriodes is presented from the first full sized supercrystal array for the CMS ECAL endcaps. The array was exposed to high-energy electrons and tested in magnetic fields of up to 3 T, in the CERN North area, in July and August 1999. The mean VPT electron yield, normalised to a naked crystal light yield of 8 photoelectrons/MeV into an HPMT, was found to be 25 electrons/MeV at 3 T for devices ARTICLE IN PRESS www.elsevier.com/locate/nima 0168-9002/$ -see front matter r
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2002
Tests of a prototype for the Electromagnetic Calorimeter (ECAL) of the Compact Muon Solenoid Expe... more Tests of a prototype for the Electromagnetic Calorimeter (ECAL) of the Compact Muon Solenoid Experiment (CMS) at the Large Hadron Collider are described. The basic unit for the endcap ECAL in CMS is a "supercrystal" of 25 lead tungstate crystals. Results are presented from tests of the first full-sized supercrystal in electron beams and in a 3T magnetic field. The supercrystal was exposed to electron beams with energies from 25-180GeV. An energy resolution (σ E /E) of (0.48±0.01)% was measured at 180GeV.
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2004
The performance of prototype vacuum phototriodes is presented from the first full sized supercrys... more The performance of prototype vacuum phototriodes is presented from the first full sized supercrystal array for the CMS ECAL endcaps. The array was exposed to high-energy electrons and tested in magnetic fields of up to 3 T, in the CERN North area, in July and August 1999. The mean VPT electron yield, normalised to a naked crystal light yield of 8 photoelectrons/MeV into an HPMT, was found to be 25 electrons/MeV at 3 T for devices ARTICLE IN PRESS www.elsevier.com/locate/nima 0168-9002/$ -see front matter r
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2002
Tests of a prototype for the Electromagnetic Calorimeter (ECAL) of the Compact Muon Solenoid Expe... more Tests of a prototype for the Electromagnetic Calorimeter (ECAL) of the Compact Muon Solenoid Experiment (CMS) at the Large Hadron Collider are described. The basic unit for the endcap ECAL in CMS is a "supercrystal" of 25 lead tungstate crystals. Results are presented from tests of the first full-sized supercrystal in electron beams and in a 3T magnetic field. The supercrystal was exposed to electron beams with energies from 25-180GeV. An energy resolution (σ E /E) of (0.48±0.01)% was measured at 180GeV.
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Papers by D. Patalakha