Photoproduction of charmed particles in nuclear emulsion coupled to the Omega Prime spectrometer. Description of the experimental method
- A. Forino
- R. Gessaroli
- A. Quareni-Vignudelli
- F. Viaggi
- E. Higon
- S. Tentindo
- G. Vanderhaeghe
- A. M. Cartacci
- A. Conti
- M. G. Dagliana
- G. Caporiacco
- A. Marchionni
- B. Monteleoni-Conforto
- G. Parrini
- M. Dameri
- B. Osculati
- M. Sannino
- G. Tomasini
- R. Llosa
- M. I. Adamovich
- Y. A. Alexandrov
- M. M. Chernyavsky
- S. G. Gerassimov
- S. P. Kharlamov
- V. G. Larionova
- N. G. Manjeley
- G. I. Orlova
- K. M. Romanovskaya
- N. A. Salmanova
- M. I. Tretyakova
- J. Lory
- D. Schune
- Tsai Chu
- B. Willot
- G. Diambrini-Palazzi
- L. M. Bravo
- R. Niembro
- A. Ruiz
- E. Villar
- J. M. Bolta
- V. Castillo
- J. Martinez
- M. A. Sanchis
DOIAbstract
The hybridized system including the nuclear-emulsion target and the magnetic Omega Prime spectrometer is described. The set-up was used in a CERN experiment for the measurement of lifetimes of charmed particles produced by tagged photons from the bremsstrahlung beam. The emulsion served simultaneously as a target and as high spatial resolution vertex detector in order to recognize decay vertices and measure decay distances of charmed particles. The Omega Prime spectrometer allowed the determination of the parameters of the secondary particles and the reconstruction of the interaction points in the emulsion with a high precision
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