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Yu. Batusov S. Bunyatov O. Kuznetsov V. Lyukov V. Tretyak O. Egorov P. Goritchev E. Kolganova I. Makhlyueva E. Pozharova V. Shamanov V. Smirnitsky V. Ammosov V. Baranov V. Gapienko V. Klukhin V. Koreshev P. Pitukhin V. Sirotenko A. Jurak A. Olszewski B. Wilczynska H. Wilczynski W. Wolter B. Wosiek H. Tchernev M. Ivanova W. Smart L. Voyvodic H. Rubin R. Ammar D. Coppage R. Davis J. Grees N. Kwak R. Riemer R. Stump T. Burnett S. Krzywdzinski J. Lord R. Rosenbladt R. Wilkes A. Bakich L. Peak FERMILAB E- Collaboration 《Zeitschrift fur Physik C Particles and Fields》1990,45(4):557-565
Cryogenically sensitive nuclear emulsion was placed inside the 15-foot bubble chamber of FNAL and exposed to a wide-band energy (up to 200 GeV) neutrino beam. 194 charged-current neutrino interactions and 13 decays of charmed particles were registered. Using the nuclear emulsion as a vertex detector with the good spectrometric properties of the 15-foot bubble chamber has allowed the decays of charmed particles to be effectively analysed. Attentions is focussed on the new physical results. Λ c + baryon andD s + meson decay channels, production of charmed ∑ c baryons and Λ c + via ∑ c . For the first time an event interpreted as production of the excited (c \(\overline s\) )-state with mass ~2790 MeV/c2 has been registered. 相似文献