Λ-hyperon lifetime in very heavy hypernuclei produced in the [Formula Presented]+U interaction

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

doi:10.1103/PhysRevC.55.3062

Λ-hyperon lifetime in very heavy hypernuclei produced in the [Formula Presented]+U interaction

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

Applied Nuclear Physics

Research output: Contribution to journal › Article › peer-review

56 Citations (Scopus)

Abstract

The recoil shadow method for the detection of fission fragments has been used to investigate delayed fission of very heavy Λ hypernuclei produced in the [Formula Presented]-U interaction at the projectile energy of 1.5 GeV. From the measured distribution of delayed fission events in the shadow region and the calculated momenta of hypernuclei leaving the target the lifetime of the Λ hyperon in very heavy hypernuclei was determined to be [Formula Presented] ps. The comparison of the number of delayed fission events with that of the prompt events leads to an estimation of the cross section for the production of Λ hypernuclei in [Formula Presented]U collisions at 1.5 GeV of [Formula Presented] μb.

Original language	English
Pages (from-to)	3062-3065
Number of pages	4
Journal	Physical Review C - Nuclear Physics
Volume	55
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevC.55.3062
Publication status	Published - 1997

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics

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10.1103/PhysRevC.55.3062

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Ohm, H., Hermes, T., Borgs, W., Koch, H. R., Maier, R., Prasuhn, D., Stein, H. J., Schult, O. W. B., Pysz, K., Rudy, Z., Jarczyk, L., Kamys, B., Kulessa, P., Strzalkowski, A., Cassing, W., Uozumi, Y., & Zychor, I. (1997). Λ-hyperon lifetime in very heavy hypernuclei produced in the [Formula Presented]+U interaction. Physical Review C - Nuclear Physics, 55(6), 3062-3065. https://doi.org/10.1103/PhysRevC.55.3062

Ohm, H, Hermes, T, Borgs, W, Koch, HR, Maier, R, Prasuhn, D, Stein, HJ, Schult, OWB, Pysz, K, Rudy, Z, Jarczyk, L, Kamys, B, Kulessa, P, Strzalkowski, A, Cassing, W, Uozumi, Y & Zychor, I 1997, 'Λ-hyperon lifetime in very heavy hypernuclei produced in the [Formula Presented]+U interaction', Physical Review C - Nuclear Physics, vol. 55, no. 6, pp. 3062-3065. https://doi.org/10.1103/PhysRevC.55.3062

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title = "Λ-hyperon lifetime in very heavy hypernuclei produced in the [Formula Presented]+U interaction",

abstract = "The recoil shadow method for the detection of fission fragments has been used to investigate delayed fission of very heavy Λ hypernuclei produced in the [Formula Presented]-U interaction at the projectile energy of 1.5 GeV. From the measured distribution of delayed fission events in the shadow region and the calculated momenta of hypernuclei leaving the target the lifetime of the Λ hyperon in very heavy hypernuclei was determined to be [Formula Presented] ps. The comparison of the number of delayed fission events with that of the prompt events leads to an estimation of the cross section for the production of Λ hypernuclei in [Formula Presented]U collisions at 1.5 GeV of [Formula Presented] μb.",

author = "H. Ohm and T. Hermes and W. Borgs and Koch, {H. R.} and R. Maier and D. Prasuhn and Stein, {H. J.} and Schult, {O. W.B.} and K. Pysz and Z. Rudy and L. Jarczyk and B. Kamys and P. Kulessa and A. Strzalkowski and W. Cassing and Y. Uozumi and I. Zychor",

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AU - Ohm, H.

AU - Hermes, T.

AU - Borgs, W.

AU - Koch, H. R.

AU - Maier, R.

AU - Prasuhn, D.

AU - Stein, H. J.

AU - Schult, O. W.B.

AU - Pysz, K.

AU - Rudy, Z.

AU - Jarczyk, L.

AU - Kamys, B.

AU - Kulessa, P.

AU - Strzalkowski, A.

AU - Cassing, W.

AU - Uozumi, Y.

AU - Zychor, I.

PY - 1997

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N2 - The recoil shadow method for the detection of fission fragments has been used to investigate delayed fission of very heavy Λ hypernuclei produced in the [Formula Presented]-U interaction at the projectile energy of 1.5 GeV. From the measured distribution of delayed fission events in the shadow region and the calculated momenta of hypernuclei leaving the target the lifetime of the Λ hyperon in very heavy hypernuclei was determined to be [Formula Presented] ps. The comparison of the number of delayed fission events with that of the prompt events leads to an estimation of the cross section for the production of Λ hypernuclei in [Formula Presented]U collisions at 1.5 GeV of [Formula Presented] μb.

AB - The recoil shadow method for the detection of fission fragments has been used to investigate delayed fission of very heavy Λ hypernuclei produced in the [Formula Presented]-U interaction at the projectile energy of 1.5 GeV. From the measured distribution of delayed fission events in the shadow region and the calculated momenta of hypernuclei leaving the target the lifetime of the Λ hyperon in very heavy hypernuclei was determined to be [Formula Presented] ps. The comparison of the number of delayed fission events with that of the prompt events leads to an estimation of the cross section for the production of Λ hypernuclei in [Formula Presented]U collisions at 1.5 GeV of [Formula Presented] μb.

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Λ-hyperon lifetime in very heavy hypernuclei produced in the [Formula Presented]+U interaction

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