Production cross-sections of protactinium and thorium isotopes produced in fragmentation of 238U at 1 A GeV

J. Kurcewicz; Z. Liu; M. Pfützner; P. J. Woods; C. Mazzocchi; K. H. Schmidt; A. Kelić; F. Attallah; E. Badura; C. N. Davids; T. Davinson; J. Döring; H. Geissel; M. Górska; R. Grzywacz; M. Hellström; Z. Janas; M. Karny; A. Korgul; I. Mukha; C. Plettner; A. Robinson; E. Roeckl; K. Rykaczewski; K. Schmidt; D. Seweryniak; K. Sümmerer; H. Weick

doi:10.1016/j.nuclphysa.2005.12.008

Production cross-sections of protactinium and thorium isotopes produced in fragmentation of ²³⁸U at 1 A GeV

J. Kurcewicz, Z. Liu, M. Pfützner, P. J. Woods, C. Mazzocchi, K. H. Schmidt, A. Kelić, F. Attallah, E. Badura, C. N. Davids, T. Davinson, J. Döring, H. Geissel, M. Górska, R. Grzywacz, M. Hellström, Z. Janas, M. Karny, A. Korgul, I. MukhaC. Plettner, A. Robinson, E. Roeckl, K. Rykaczewski, K. Schmidt, D. Seweryniak, K. Sümmerer, H. Weick

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17 Scopus citations

Abstract

The production cross-sections of proton-rich protactinium and thorium isotopes have been investigated for the fragmentation of 1 A GeV ²³⁸U in a beryllium target at the SIS/FRS facility at GSI Darmstadt. The experimental results are compared with the predictions of an abrasion-ablation model of nuclear fragmentation yielding good overall agreement. Weak evidence for first observation of the new isotopes ²⁰⁸Th and ²¹¹Pa is presented.

Original language	English
Pages (from-to)	1-12
Number of pages	12
Journal	Nuclear Physics A
Volume	767
Issue number	1-4
DOIs	https://doi.org/10.1016/j.nuclphysa.2005.12.008
State	Published - Mar 6 2006

Funding

The authors would like to express their gratitude to K.-H. Behr, A. Brünle, K. Burkard, W. Hüller and M. Winkler for technical support during and in preparation for the experiment. Work at Argonne National Laboratory supported by the US Department of Energy, Office of Nuclear Physics, under Contract W-31-109-ENG-38.

Keywords

Deduced for Th,Pa. Comparison with previous results and model predictions
Measured Th and Pa fragments isotopic production σ
Nuclear reactions Be(U,X), E=1 GeV/nucleon

Access to Document

10.1016/j.nuclphysa.2005.12.008

Cite this

Kurcewicz, J., Liu, Z., Pfützner, M., Woods, P. J., Mazzocchi, C., Schmidt, K. H., Kelić, A., Attallah, F., Badura, E., Davids, C. N., Davinson, T., Döring, J., Geissel, H., Górska, M., Grzywacz, R., Hellström, M., Janas, Z., Karny, M., Korgul, A., ... Weick, H. (2006). Production cross-sections of protactinium and thorium isotopes produced in fragmentation of ²³⁸U at 1 A GeV. Nuclear Physics A, 767(1-4), 1-12. https://doi.org/10.1016/j.nuclphysa.2005.12.008

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title = "Production cross-sections of protactinium and thorium isotopes produced in fragmentation of 238U at 1 A GeV",

abstract = "The production cross-sections of proton-rich protactinium and thorium isotopes have been investigated for the fragmentation of 1 A GeV 238U in a beryllium target at the SIS/FRS facility at GSI Darmstadt. The experimental results are compared with the predictions of an abrasion-ablation model of nuclear fragmentation yielding good overall agreement. Weak evidence for first observation of the new isotopes 208Th and 211Pa is presented.",

keywords = "Deduced for Th,Pa. Comparison with previous results and model predictions, Measured Th and Pa fragments isotopic production σ, Nuclear reactions Be(U,X), E=1 GeV/nucleon",

author = "J. Kurcewicz and Z. Liu and M. Pf{\"u}tzner and Woods, \{P. J.\} and C. Mazzocchi and Schmidt, \{K. H.\} and A. Keli{\'c} and F. Attallah and E. Badura and Davids, \{C. N.\} and T. Davinson and J. D{\"o}ring and H. Geissel and M. G{\'o}rska and R. Grzywacz and M. Hellstr{\"o}m and Z. Janas and M. Karny and A. Korgul and I. Mukha and C. Plettner and A. Robinson and E. Roeckl and K. Rykaczewski and K. Schmidt and D. Seweryniak and K. S{\"u}mmerer and H. Weick",

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Kurcewicz, J, Liu, Z, Pfützner, M, Woods, PJ, Mazzocchi, C, Schmidt, KH, Kelić, A, Attallah, F, Badura, E, Davids, CN, Davinson, T, Döring, J, Geissel, H, Górska, M, Grzywacz, R, Hellström, M, Janas, Z, Karny, M, Korgul, A, Mukha, I, Plettner, C, Robinson, A, Roeckl, E, Rykaczewski, K, Schmidt, K, Seweryniak, D, Sümmerer, K & Weick, H 2006, 'Production cross-sections of protactinium and thorium isotopes produced in fragmentation of ²³⁸U at 1 A GeV', Nuclear Physics A, vol. 767, no. 1-4, pp. 1-12. https://doi.org/10.1016/j.nuclphysa.2005.12.008

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T1 - Production cross-sections of protactinium and thorium isotopes produced in fragmentation of 238U at 1 A GeV

AU - Kurcewicz, J.

AU - Liu, Z.

AU - Pfützner, M.

AU - Woods, P. J.

AU - Mazzocchi, C.

AU - Schmidt, K. H.

AU - Kelić, A.

AU - Attallah, F.

AU - Badura, E.

AU - Davids, C. N.

AU - Davinson, T.

AU - Döring, J.

AU - Geissel, H.

AU - Górska, M.

AU - Grzywacz, R.

AU - Hellström, M.

AU - Janas, Z.

AU - Karny, M.

AU - Korgul, A.

AU - Mukha, I.

AU - Plettner, C.

AU - Robinson, A.

AU - Roeckl, E.

AU - Rykaczewski, K.

AU - Schmidt, K.

AU - Seweryniak, D.

AU - Sümmerer, K.

AU - Weick, H.

PY - 2006/3/6

Y1 - 2006/3/6

N2 - The production cross-sections of proton-rich protactinium and thorium isotopes have been investigated for the fragmentation of 1 A GeV 238U in a beryllium target at the SIS/FRS facility at GSI Darmstadt. The experimental results are compared with the predictions of an abrasion-ablation model of nuclear fragmentation yielding good overall agreement. Weak evidence for first observation of the new isotopes 208Th and 211Pa is presented.

AB - The production cross-sections of proton-rich protactinium and thorium isotopes have been investigated for the fragmentation of 1 A GeV 238U in a beryllium target at the SIS/FRS facility at GSI Darmstadt. The experimental results are compared with the predictions of an abrasion-ablation model of nuclear fragmentation yielding good overall agreement. Weak evidence for first observation of the new isotopes 208Th and 211Pa is presented.

KW - Deduced for Th,Pa. Comparison with previous results and model predictions

KW - Measured Th and Pa fragments isotopic production σ

KW - Nuclear reactions Be(U,X), E=1 GeV/nucleon

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