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3 results on '"S.F. Takach"'

1. First measurement of the rate K0L → πμνγ

Author

C Siman, J.P. Matheys, R. Wilhelm, G.D. Barr, Julien Cogan, B. Panzer-Steindel, Sandro Palestini, R. Turlay, Michael Ziolkowski, J.B. Cheze, P. Lubrano, V. Fanti, U. Koch, W. Kubischta, A. Michetti, M. Calvetti, C. Cerri, D. J. Munday, J. Scheidt, R. Fantechi, P. F. Dalpiaz, B. Vallage, M. Bender, J. C. Chollet, Cinzia Talamonti, Augusto Ceccucci, P.L. Frabetti, P Maas, S. Schanne, Paolo Calafiura, H.G. Becker, S. Giudici, H. Dibon, O. Boyle, A. Gianoli, R. Casali, P. Hristov, T. O. White, H. Parsons, R. Carosi, A. Lai, M. Martini, Alan W. Walker, Andrea Formica, S. Crépé, M. Pepe, Cristina Biino, Ivan Mikulec, L. Bertolotto, F Rossi, B. Peyaud, Benedetto Gorini, D. Schinzel, L. Köpke, H. Blümer, G. Pierazzini, P. Buchholz, M. Savrie, M. Sozzi, E. Menichetti, I Schwarze, Lau Gatignon, Mayda Velasco, G. Tatichvili, H. Taureg, Manfred Jeitler, M.G Setzu, M. De Beer, G Fischer, A. Tkatchev, G Oakland, D. Coward, F. Costantini, T Beier, Louis Fayard, F. Marchetto, Niels Doble, I Kojevnikov, A. Norton, Konrad Kleinknecht, P. Cenci, L. Musa, J. Duclos, Fabrizio Petrucci, G. Anzivino, Aniello Nappi, J. Schmidt, A. Kalter, P. Grafström, G. Unal, I. Potrebenikov, Vladimir Kekelidze, G. Govi, J. Bremer, Anton Taurok, Andrea Bizzeti, P. Debu, Lydia Iconomidou-Fayard, E. Mazzucato, M. Porcu, Roberta Arcidiacono, I. Augustin, V. Marzulli, S.F Takach, A. Gonidec, M. Holder, M. Pernicka, C. Ebersberger, R.W. Moore, Ken Peach, B Hay, M. Markytan, M. Lenti, O. Zeitnitz, F. Leber, O. Steinkamp, G. Kesseler, N.E Mc Kay, G. Neuhofer, Wolfgang Funk, D.C. Cundy, J. Ocariz, B. Renk, O. Vossnack, I. Mannelli, S. Luitz, G. Bocquet, Michael Andrew Parker, and V. Schönharting

Subjects
Physics, Nuclear physics, Nuclear and High Energy Physics, Large Hadron Collider, Branching fraction, Photon detector, NA48 experiment, Calorimeter
Abstract

In a preliminary version of the NA48 experiment at the CERN SPS, in which an iron-scintillator sandwich calorimeter was used as a photon detector, the ratio of K L → πμνγ and K L → πμν decays was measured. The branching ratio BR(K L →πμνγ, E γ ∗ ≥30 MeV )/(K L → πμν ) is found to be (2.08±0.17 +0.16 −0.21 )×10 −3 , where the first error is statistical and the second systematic. The result is in agreement with theoretical predictions.

Published
2016

2. Design and operation of front-end electronics for the HERA-B muon detector

Author

S.F. Takach, F.M. Khasanov, Robert Harr, Yu. Zaitsev, S. Nam, Paul E. Karchin, L. Laptin, V. Tchoudakov, M. Atiya, A. Gutierrez, P. Liu, S. Barsuk, D. Padrazo, A. Arefiev, I. Tichimirov, J.G. Shiu, M. Buchler, Wolfgang Funk, and Maksym Titov

Subjects
Physics, Nuclear and High Energy Physics, Physics - Instrumentation and Detectors, Muon, Physics::Instrumentation and Detectors, business.industry, Detector, Electrical engineering, FOS: Physical sciences, Instrumentation and Detectors (physics.ins-det), Integrated circuit, Noise (electronics), law.invention, Anode, Microcontroller, Nuclear Energy and Engineering, law, Electronics, Electrical and Electronic Engineering, business, HERA-B
Abstract

We have implemented a cost-effective design for the readout electronics of both the anode wires and the cathode pads of large area proportional wire chambers for the HERA-B muon system based on the ASD-08 integrated circuit. To control and monitor the large number of readout channels, we have built a distributed control system based on Philips Semiconductors' I2C bus and microcontrollers. To date we have installed about 10800 channels of muon chambers and electronics. The average single channel noise occupancy is less than 10**-5, and the detectors have been operated with target interaction rates as high as 70 MHz., Comment: 9 pages, 13 figures; submitted to IEEE Transactions on Nuclear Science; to appear in Conference Record of 1998 IEEE NSS in Toronto

Published
1999

3. The Muon Detector at the HERA-B experiment

Author

S.F. Takach, M. Buchler, V. Tchoudakov, Maksym Titov, B.A. Fominykh, R. F. Harr, J.G. Shiu, Yu. Gilitsky, T. Kvaratscheliia, P. E. Karchin, F.M. Khasanov, S. Nam, L. Laptin, Yu. Zaitsev, V. Eiges, and I. Tichomirov

Subjects
Physics, Nuclear and High Energy Physics, Particle physics, Muon, Meson, Physics::Instrumentation and Detectors, HERA, Particle identification, Particle detector, Nuclear physics, Particle decay, Muon collider, Physics::Accelerator Physics, High Energy Physics::Experiment, Nuclear Experiment, Instrumentation, HERA-B
Abstract

The HERA-B experiment is designed to study beauty particle production and decay using the HERA 920 GeV proton beam interactions with an internal target. The Muon detector provides identification for muons having momenta greater than 5 GeV/c and triggering on the muon pair from J/ψ decay. Three different chamber types are employed for operation in a high-rate environment. The overall design, performance and current status are discussed.

Published
2001

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