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Adamczewski-Musch, J.; Akishin, P. G.; Becker, K.-H.; Belogurov, S. G.; Bendarouach, J.; Boldyreva, N. I.; Deveaux, C.; Dobyrn, V. V.; Dürr, M.; Eschke, J.; Förtsch, J.; Heep, J.; Höhne, C.; Kampert, K.-H.; Khanzadeev, A. V.; Kochenda, L. M.; Kopfer, J.; Kravtsov, P. A.; Kres, I.; Lebedev, S. A.; Lebedeva, E. I.; Leonova, E. N.; Linev, S. V.; Mahmoud, T.; Niebur, W.; Ovcharenko, E. V.; Patel, V.; Pauly, C.; Penschuck, M.; Pfeifer, D.; Querchfeld, S.; Rautenberg, J.; Reinecke, S.; Riabov, Yu. G.; Roshchin, E. V.; Samsonov, V. M.; Schetinin, V. N.; Tarasenkova, O. P.; Traxler, M.; Ugur, C.; Vznuzdaev, M. E.
Instruments and experimental techniques (New York), 05/2018, Letnik: 61, Številka: 3Journal Article
A 64-channel readout and data-acquisition module is described in detail. It consists of an H12700 multianode photomultiplier tube, four PADIWA preamplifier boards, and a TRB v3 card that perform the functions of a time-to-digital converter and a data concentrator. The software modules that are necessary for operation of the prototype are described. The inter-channel delays are calibrated. The drift of individual delays does not exceed 0.5 ns for the entire measurement time. The spectra of the “time over threshold” (ToT) are investigated. The influence of periodic noise pickups and the need to improve circuit designs are revealed. The timing properties of the wavelength shifter and its effect on the detection efficiency for Cherenkov rings are investigated. The most intense component is characterized by a decay time of 1.1 ns and there are components with characteristic times of 3.8 and 45 ns. The influence of single-electron spectrum features on the detection efficiency for photoelectrons and the probability of false hits are determined. The total time resolution of 131 channels is 1.1 ns (FWHM). The results make it possible to use the investigated system of readout and data acquisition in the CBM experiment. Nevertheless, the elimination of the revealed shortcomings will provide the efficiency margin and improve the reliability of the system during long-term operation.
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Dostop do baze podatkov JCR je dovoljen samo uporabnikom iz Slovenije. Vaš trenutni IP-naslov ni na seznamu dovoljenih za dostop, zato je potrebna avtentikacija z ustreznim računom AAI.
Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Vir: Osebne bibliografije
in: SICRIS
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