Investigation of production and fission decay of heavy hypernuclei at COSY Jülich

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

doi:10.1016/S0375-9474(97)00718-5

Investigation of production and fission decay of heavy hypernuclei at COSY Jülich

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

Applied Nuclear Physics

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Abstract

The production of very heavy hypenmclei has been investigated at COSY Jülich in the interaction of protons of 1.0 GeV, 1.5 GeV and 1.9 GeV with bismuth and uranium. Identification was based on the detection of fragments from Λ delayed fission using a recoil-shadow technique which yielded cross sections for production and fission decay of hypernuclei of about 5Λmu;b (Bi target) and 20 ±4(stat.)⁺¹³_-8(syst.)μb (U target). A lifetime of 240 ± 45(stat.) ±40(syst.) ps has been deduced for the uranium target from the position distribution of fission fragments.

Original language	English
Pages (from-to)	416-419
Number of pages	4
Journal	Nuclear Physics A
Volume	629
Issue number	1-2
DOIs	https://doi.org/10.1016/S0375-9474(97)00718-5
Publication status	Published - Feb 2 1998

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics

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10.1016/S0375-9474(97)00718-5

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Ohm, H., Borgs, W., Cassing, W., Hartmann, M., Hermes, T., Jarczyk, L., Kamys, B., Koch, H. R., Kulessa, P., Maier, R., Prasuhn, D., Pysz, K., Rudy, Z., Stein, H. J., Strzalkowski, A., Schult, O. W. B., Uozumi, Y., & Zychor, I. (1998). Investigation of production and fission decay of heavy hypernuclei at COSY Jülich. Nuclear Physics A, 629(1-2), 416-419. https://doi.org/10.1016/S0375-9474(97)00718-5

Ohm, H, Borgs, W, Cassing, W, Hartmann, M, Hermes, T, Jarczyk, L, Kamys, B, Koch, HR, Kulessa, P, Maier, R, Prasuhn, D, Pysz, K, Rudy, Z, Stein, HJ, Strzalkowski, A, Schult, OWB, Uozumi, Y & Zychor, I 1998, 'Investigation of production and fission decay of heavy hypernuclei at COSY Jülich', Nuclear Physics A, vol. 629, no. 1-2, pp. 416-419. https://doi.org/10.1016/S0375-9474(97)00718-5

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title = "Investigation of production and fission decay of heavy hypernuclei at COSY J{\"u}lich",

abstract = "The production of very heavy hypenmclei has been investigated at COSY J{\"u}lich in the interaction of protons of 1.0 GeV, 1.5 GeV and 1.9 GeV with bismuth and uranium. Identification was based on the detection of fragments from Λ delayed fission using a recoil-shadow technique which yielded cross sections for production and fission decay of hypernuclei of about 5Λmu;b (Bi target) and 20 ±4(stat.)+13-8(syst.)μb (U target). A lifetime of 240 ± 45(stat.) ±40(syst.) ps has been deduced for the uranium target from the position distribution of fission fragments.",

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

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doi = "10.1016/S0375-9474(97)00718-5",

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T1 - Investigation of production and fission decay of heavy hypernuclei at COSY Jülich

AU - Ohm, H.

AU - Borgs, W.

AU - Cassing, W.

AU - Hartmann, M.

AU - Hermes, T.

AU - Jarczyk, L.

AU - Kamys, B.

AU - Koch, H. R.

AU - Kulessa, P.

AU - Maier, R.

AU - Prasuhn, D.

AU - Pysz, K.

AU - Rudy, Z.

AU - Stein, H. J.

AU - Strzalkowski, A.

AU - Schult, O. W.B.

AU - Uozumi, Y.

AU - Zychor, I.

PY - 1998/2/2

Y1 - 1998/2/2

N2 - The production of very heavy hypenmclei has been investigated at COSY Jülich in the interaction of protons of 1.0 GeV, 1.5 GeV and 1.9 GeV with bismuth and uranium. Identification was based on the detection of fragments from Λ delayed fission using a recoil-shadow technique which yielded cross sections for production and fission decay of hypernuclei of about 5Λmu;b (Bi target) and 20 ±4(stat.)+13-8(syst.)μb (U target). A lifetime of 240 ± 45(stat.) ±40(syst.) ps has been deduced for the uranium target from the position distribution of fission fragments.

AB - The production of very heavy hypenmclei has been investigated at COSY Jülich in the interaction of protons of 1.0 GeV, 1.5 GeV and 1.9 GeV with bismuth and uranium. Identification was based on the detection of fragments from Λ delayed fission using a recoil-shadow technique which yielded cross sections for production and fission decay of hypernuclei of about 5Λmu;b (Bi target) and 20 ±4(stat.)+13-8(syst.)μb (U target). A lifetime of 240 ± 45(stat.) ±40(syst.) ps has been deduced for the uranium target from the position distribution of fission fragments.

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VL - 629

SP - 416

EP - 419

JO - Nuclear Physics A

JF - Nuclear Physics A

IS - 1-2

ER -

Investigation of production and fission decay of heavy hypernuclei at COSY Jülich

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