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Autor:
Yu. M. Goncharenko, Vassili Kachanov, V. V. Mochalov, Y.M. Melnick, A. A. Derevschikov, Andrey Vasiliev, A. V. Ryazantsev, A. P. Meschanin, D. A. Morozov, N. G. Minaev, A. M. Davidenko, S. V. Ryzhikov, P. A. Semenov, Andrey Uzunian, A. E. Yakutin
Publikováno v:
Instruments and Experimental Techniques. 56:271-275
Changes in the transparency of lead tungstate crystals under continuous ∼1200-h irradiation with γ rays of a radionuclide 60Co source were investigated. The crystal temperature was maintained at a level of −15°C at a dose rate of 0.1 Gy/h. The
Measuring the momentum dispersion of a proton beam extracted from the U-70 accelerator by channeling
Autor:
V. V. Mochalov, A. P. Meschanin, Yu. A. Chesnokov, Yu. M. Goncharenko, Andrey Vasiliev, D. A. Morozov, L. F. Soloviev, P. A. Semenov, V. A. Maisheev, A. E. Yakutin, Yu A. Matulenko, A. A. Derevschikov, A. S. Konstantinov, A. V. Minchenko, Y.M. Melnick, A. V. Ryazantsev
Publikováno v:
Instruments and Experimental Techniques. 53:621-628
The momentum dispersion of the proton beam extracted from the vacuum chamber of the U-70 accelerator by channeling was measured for the first time. At an 80-mrad bending angle of the Si single crystal, the following beam parameters were attained: an
Autor:
A. E. Yakutin, Vassili Kachanov, P. A. Semenov, A. P. Meschanin, Andrey Uzunian, V. V. Mochalov, Y.M. Melnick, A. A. Derevschikov, Andrey Vasiliev, A. V. Ryazantsev, Yu. M. Goncharenko, A. M. Davidenko, N. G. Minaev
Publikováno v:
Instruments and Experimental Techniques. 52:665-672
The radiation hardness of a test batch of lead tungstate crystals grown by a new technology at the Bogoroditsk Technochemical Plant for the PANDA experiment has been measured. The optical properties of the crystals have been investigated at temperatu
Autor:
V. V. Mochalov, D. A. Morozov, Yu A. Matulenko, Vassili Kachanov, A. M. Davidenko, V.G. Vasilchenko, N. G. Minaev, O.P. Yushchenko, Y.M. Goncharenko, S.K. Chernichenko, Andrey Vasiliev, P. A. Semenov, Andrey Uzunian, A.A. Ryazantsev, A.S. Konstantinov, A. P. Meschanin, Y.M. Melnick, A. Soldatov, Yu. V. Kharlov, L. F. Soloviev, A. E. Yakutin, A. A. Derevschikov, V. A. Kormilitsin, R. W. Novotny
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 598:224-228
PANDA is a challenging experimental setup to be implemented at the high-energy storage ring (HESR) at the international facility FAIR, GSI (Germany). PANDA physics program relies heavily on the capability to measure photons with excellent energy, pos
Autor:
K. E. Shestermanov, V. A. Kormilitsin, P. A. Semenov, Y.M. Goncharenko, Y.M. Melnick, V.A. Batarin, V.K. Semenov, Vassili Kachanov, Andrey Vasiliev, L. V. Nogach, J. N. Butler, L. F. Soloviev, V. N. Grishin, A. E. Yakutin, A. M. Davidenko, A. A. Derevschikov, V.I. Kravtsov, Andrey Uzunian, A. P. Meschanin, V. V. Mochalov, Y.A. Matulenko, Yuichi Kubota, A. S. Konstantinov, A. V. Ryazantsev, J. Yarba, V.Y. Khodyrev, D. A. Morozov, N. G. Minaev, Sheldon Stone, V. S. Lukanin, N.E. Mikhalin
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 556:94-99
A highly stable monitoring system based on blue and red light emitting diodes coupled to a distribution network comprised of optical fibers has been developed for an electromagnetic calorimeter that uses lead tungstate crystals readout with photomult
Autor:
V. N. Grishin, N.E. Mikhalin, A.E. Yakutin, Yu. M. Goncharenko, V.A. Batarin, Andrey Vasiliev, J. N. Butler, Y.M. Melnick, L.V. Nogach, K. E. Shestermanov, Y.A. Matulenko, A.A. Derevschikov, A.V. Ryazantsev, P. A. Semenov, V.I. Kravtsov, Vassili Kachanov, Sheldon Stone, L.F. Soloviev, Yuichi Kubota, J. Yarba, N.G. Minaev, V.Y. Khodyrev, A.V. Uzunian, V. V. Mochalov, A.S. Konstantinov, A.P. Meschanin, D.A. Morozov
Publikováno v:
Nuclear Physics B - Proceedings Supplements. 150:262-266
BTeV is a new dedicated B-physics project at Fermilab. It requires excellent photon detection which is crucial to study CP violations in B decays and rare decays of B's to explore physics beyond the standard model. Electromagnetic calorimeter (EMCAL)
Autor:
V.A. Batarin, N.E. Mikhalin, A.E. Yakutin, A.S. Konstantinov, V. A. Kormilitsin, V. S. Lukanin, A.V. Uzunian, A.V. Ryazantsev, Andrey Vasiliev, D.A. Morozov, L.V. Nogach, V.I. Kravtsov, K. E. Shestermanov, L.F. Soloviev, V. V. Mochalov, Yu. M. Goncharenko, V. N. Grishin, A. Davidenko, P. A. Semenov, T.Y. Chen, Vassili Kachanov, N.G. Minaev, Sheldon Stone, A.A. Derevschikov, J. N. Butler, J. Yarba, Y.M. Melnick, A.P. Meschanin, V. K. Semenov, Y.A. Matulenko, Yuichi Kubota
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 540:131-139
We employed two independent methods to study possible damage to the scintillation mechanism in lead tungstate crystals due to irradiation by a 34 V pion beam. Firstly 10 crystals were irradiated simultaneously over 30 h by a narrow beam, so that only
Autor:
K. E. Shestermanov, V. A. Medvedev, T.Y. Chen, Yu. M. Goncharenko, P. A. Semenov, A.S. Konstantinov, Vassili Kachanov, J. N. Butler, A.A. Derevschikov, Y.A. Matulenko, N.E. Mikhalin, D.A. Morozov, A.E. Yakutin, A.V. Uzunian, A.V. Ryazantsev, Yuichi Kubota, A. Davidenko, J. Yarba, N.G. Minaev, V. N. Grishin, V. V. Mochalov, Y.M. Melnick, Andrey Vasiliev, L.V. Nogach, V.I. Kravtsov, V.A. Batarin, V. A. Kormilitsin, L.F. Soloviev, V. K. Semenov, A.P. Meschanin, Sheldon Stone
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 534:486-495
We report on the performance of a monitoring system for a prototype calorimeter for the BTeV experiment that uses Lead Tungstate crystals coupled with photomultiplier tubes. The tests were carried out at the 70 GeV accelerator complex at Protvino, Ru
Autor:
Yu.V. Formin, L. F. Soloviev, V. Frolov, K. E. Shestermanov, A. A. Derevschikov, A. E. Yakutin, M. N. Ukhanov, P. A. Semenov, A. P. Meschanin, A.S. Konstantinov, Vassili Kachanov, V. A. Maisheev, V. N. Grishin, V.I. Krasvtsov, J. Yarba, V.Y. Khodyrev, Andrey Vasiliev, V.M. Leontiev, V. V. Mochalov, Y.A. Matulenko, Sheldon Stone, Yuichi Kubota, D. A. Morozov, N. G. Minaev, L. V. Nogach, J. N. Butler, Y.M. Melnick, Andrey Uzunian, V.A. Batarin, V.L. Solovianov
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 510:211-218
A beam line for electrons with energies in the range of 1 to 45 GeV, low contamination of hadrons and muons and high intensity up to 10^6 per accelerator spill at 27 GeV was setup at U70 accelerator in Protvino, Russia. A beam tagging system based on