Measurement of the lifetime of heavy λ hypernuclei with the recoil shadow method and internal targets in the storage ring COSY-Jülich

K. Pysz; I. Zychor; T. Hermes; M. Hartmann; H. Ohm; P. Kulessa; W. Borgs; H. R. Koch; R. Maier; D. Prasuhn; Z. Rudy; B. Kamys; W. Cassing; J. Pfeiffer; Y. Uozumi; L. Jarczyk; A. Strzałkowski; O. W.B. Schult

doi:10.1016/S0168-9002(98)00784-0

Measurement of the lifetime of heavy λ hypernuclei with the recoil shadow method and internal targets in the storage ring COSY-Jülich

K. Pysz, I. Zychor, T. Hermes, M. Hartmann, H. Ohm, P. Kulessa, W. Borgs, H. R. Koch, R. Maier, D. Prasuhn, Z. Rudy, B. Kamys, W. Cassing, J. Pfeiffer, Y. Uozumi, L. Jarczyk, A. Strzałkowski, O. W.B. Schult

Applied Nuclear Physics

Research output: Contribution to journal › Article

11 Citations (Scopus)

Abstract

For the measurement of the lifetime of the A hyperon in very heavy hypernuclei we have used proton projectiles for the production of strangeness and the recoil shadow method in the circulating beam of COSY-Jülich. This permitted us to use a very thin ribbon target without loss in luminosity. The target fabrication and frameless mounting is described in detail. A special mode of operating COSY was developed in order to bump the beam onto the target and to apply a supercycle. A description is given of the apparatus, tests, the calibration and the data analysis. As an example the p + Bi results are presented and discussed.

Original language	English
Pages (from-to)	356-365
Number of pages	10
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	420
Issue number	1-2
DOIs	https://doi.org/10.1016/S0168-9002(98)00784-0
Publication status	Published - Jan 1 1999

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics
Instrumentation

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Pysz, K., Zychor, I., Hermes, T., Hartmann, M., Ohm, H., Kulessa, P., Borgs, W., Koch, H. R., Maier, R., Prasuhn, D., Rudy, Z., Kamys, B., Cassing, W., Pfeiffer, J., Uozumi, Y., Jarczyk, L., Strzałkowski, A., & Schult, O. W. B. (1999). Measurement of the lifetime of heavy λ hypernuclei with the recoil shadow method and internal targets in the storage ring COSY-Jülich. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 420(1-2), 356-365. https://doi.org/10.1016/S0168-9002(98)00784-0

Measurement of the lifetime of heavy λ hypernuclei with the recoil shadow method and internal targets in the storage ring COSY-Jülich. / Pysz, K.; Zychor, I.; Hermes, T.; Hartmann, M.; Ohm, H.; Kulessa, P.; Borgs, W.; Koch, H. R.; Maier, R.; Prasuhn, D.; Rudy, Z.; Kamys, B.; Cassing, W.; Pfeiffer, J.; Uozumi, Y.; Jarczyk, L.; Strzałkowski, A.; Schult, O. W.B.

In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 420, No. 1-2, 01.01.1999, p. 356-365.

Research output: Contribution to journal › Article

Pysz, K, Zychor, I, Hermes, T, Hartmann, M, Ohm, H, Kulessa, P, Borgs, W, Koch, HR, Maier, R, Prasuhn, D, Rudy, Z, Kamys, B, Cassing, W, Pfeiffer, J, Uozumi, Y, Jarczyk, L, Strzałkowski, A & Schult, OWB 1999, 'Measurement of the lifetime of heavy λ hypernuclei with the recoil shadow method and internal targets in the storage ring COSY-Jülich', Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 420, no. 1-2, pp. 356-365. https://doi.org/10.1016/S0168-9002(98)00784-0

Pysz K, Zychor I, Hermes T, Hartmann M, Ohm H, Kulessa P et al. Measurement of the lifetime of heavy λ hypernuclei with the recoil shadow method and internal targets in the storage ring COSY-Jülich. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 1999 Jan 1;420(1-2):356-365. https://doi.org/10.1016/S0168-9002(98)00784-0

Pysz, K. ; Zychor, I. ; Hermes, T. ; Hartmann, M. ; Ohm, H. ; Kulessa, P. ; Borgs, W. ; Koch, H. R. ; Maier, R. ; Prasuhn, D. ; Rudy, Z. ; Kamys, B. ; Cassing, W. ; Pfeiffer, J. ; Uozumi, Y. ; Jarczyk, L. ; Strzałkowski, A. ; Schult, O. W.B. / Measurement of the lifetime of heavy λ hypernuclei with the recoil shadow method and internal targets in the storage ring COSY-Jülich. In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 1999 ; Vol. 420, No. 1-2. pp. 356-365.

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AU - Ohm, H.

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AU - Borgs, W.

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