The "Lambdameter" detector

V. A. Akimov, P. V. Degtyarenko, Yu V. Efremenko, V. B. Fyodorov, V. B. Gavrilov, N. A. Goryainov, Yu G. Grishuk, F. M. Khassanov, M. V. Kossov, S. V. Kuleshov, S. G. Kuznetsov, G. A. Leksin, N. A. Pivnyuk, V. S. Serov, S. M. Shuvalov, B. B. Shwartsman, A. V. Smirnitsky, L. S. Vorob'ev, B. V. Zagreev

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Abstract

The "Lambdameter" detector was specially designed for the study of cumulative Λ0-hyperons in the region of fragmentation of a target nucleus at rest in hadron-nucleus interactions under various initial conditions (energy and species of primary particle, atomic number of the target nucleus, emission angle of a Λ0-particle). The detector is used to measure the spectra of Λ0-particles in the kinetic energy range T from 40 to 150 MeV with a ≈ 5 MeV resolution, a relative systematic error of dσ dT within the experiment of ≤ 5%, and an absolute systematic error of ≤ 10%. It also makes it possible to determine production cross sections (yields) with the same accuracy and polarization with an accuracy of better than 4%. Cumulative lambdas were detected at an angle of 90° in the lab system in the first run of the ITEP accelerator. © 1994.
Original languageEnglish
Pages (from-to)421-427
Number of pages7
JournalNuclear Inst. and Methods in Physics Research, A
DOIs
Publication statusPublished - 11 Apr 1994
Externally publishedYes

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    Akimov, V. A., Degtyarenko, P. V., Efremenko, Y. V., Fyodorov, V. B., Gavrilov, V. B., Goryainov, N. A., Grishuk, Y. G., Khassanov, F. M., Kossov, M. V., Kuleshov, S. V., Kuznetsov, S. G., Leksin, G. A., Pivnyuk, N. A., Serov, V. S., Shuvalov, S. M., Shwartsman, B. B., Smirnitsky, A. V., Vorob'ev, L. S., & Zagreev, B. V. (1994). The "Lambdameter" detector. Nuclear Inst. and Methods in Physics Research, A, 421-427. https://doi.org/10.1016/0168-9002(94)90219-4