180°-Correlated Equal-Energy Photons From 5.9-MeV/Nucleon U + Th Collisions

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

Authors

  • K. Danzmann
  • W. E. Meyerhof
  • E. C. Montenegro
  • Xiang Yuan Xu
  • E. Dillard
  • H. P. Hlskotter
  • F. S. Stephens
  • R. M. Diamond
  • M. A. Deleplanque
  • A. O. MacChiavelli
  • J. Schweppe
  • R. J. McDonald
  • B. S. Rude
  • J. D. Molitoris

External Research Organisations

  • Stanford University
  • University of California at Berkeley
  • Lawrence Livermore National Laboratory
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Details

Original languageEnglish
Pages (from-to)1885-1888
Number of pages4
JournalPhysical review letters
Volume59
Issue number17
Publication statusPublished - 26 Oct 1987
Externally publishedYes

Abstract

We have found a narrow line (intrinsic width 2.5 keV) at 10621 keV in the summed-energy 180°-c.m.-correlated two-photon spectrum from 5.95-MeV/nucleon U+Th collisions. Including possible systematic uncertainties, the production cross section is found to be 5025 b, averaged over the 1-mg/cm2 Th target thickness. This line may belong to the decay of a neutral system which also produces correlated electron-positron pairs found by others in the same reaction.

ASJC Scopus subject areas

Cite this

180°-Correlated Equal-Energy Photons From 5.9-MeV/Nucleon U + Th Collisions. / Danzmann, K.; Meyerhof, W. E.; Montenegro, E. C. et al.
In: Physical review letters, Vol. 59, No. 17, 26.10.1987, p. 1885-1888.

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

Danzmann, K, Meyerhof, WE, Montenegro, EC, Xu, XY, Dillard, E, Hlskotter, HP, Stephens, FS, Diamond, RM, Deleplanque, MA, MacChiavelli, AO, Schweppe, J, McDonald, RJ, Rude, BS & Molitoris, JD 1987, '180°-Correlated Equal-Energy Photons From 5.9-MeV/Nucleon U + Th Collisions', Physical review letters, vol. 59, no. 17, pp. 1885-1888. https://doi.org/10.1103/PhysRevLett.59.1885
Danzmann, K., Meyerhof, W. E., Montenegro, E. C., Xu, X. Y., Dillard, E., Hlskotter, H. P., Stephens, F. S., Diamond, R. M., Deleplanque, M. A., MacChiavelli, A. O., Schweppe, J., McDonald, R. J., Rude, B. S., & Molitoris, J. D. (1987). 180°-Correlated Equal-Energy Photons From 5.9-MeV/Nucleon U + Th Collisions. Physical review letters, 59(17), 1885-1888. https://doi.org/10.1103/PhysRevLett.59.1885
Danzmann K, Meyerhof WE, Montenegro EC, Xu XY, Dillard E, Hlskotter HP et al. 180°-Correlated Equal-Energy Photons From 5.9-MeV/Nucleon U + Th Collisions. Physical review letters. 1987 Oct 26;59(17):1885-1888. doi: 10.1103/PhysRevLett.59.1885
Danzmann, K. ; Meyerhof, W. E. ; Montenegro, E. C. et al. / 180°-Correlated Equal-Energy Photons From 5.9-MeV/Nucleon U + Th Collisions. In: Physical review letters. 1987 ; Vol. 59, No. 17. pp. 1885-1888.
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title = "180°-Correlated Equal-Energy Photons From 5.9-MeV/Nucleon U + Th Collisions",
abstract = "We have found a narrow line (intrinsic width 2.5 keV) at 10621 keV in the summed-energy 180°-c.m.-correlated two-photon spectrum from 5.95-MeV/nucleon U+Th collisions. Including possible systematic uncertainties, the production cross section is found to be 5025 b, averaged over the 1-mg/cm2 Th target thickness. This line may belong to the decay of a neutral system which also produces correlated electron-positron pairs found by others in the same reaction.",
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T1 - 180°-Correlated Equal-Energy Photons From 5.9-MeV/Nucleon U + Th Collisions

AU - Danzmann, K.

AU - Meyerhof, W. E.

AU - Montenegro, E. C.

AU - Xu, Xiang Yuan

AU - Dillard, E.

AU - Hlskotter, H. P.

AU - Stephens, F. S.

AU - Diamond, R. M.

AU - Deleplanque, M. A.

AU - MacChiavelli, A. O.

AU - Schweppe, J.

AU - McDonald, R. J.

AU - Rude, B. S.

AU - Molitoris, J. D.

PY - 1987/10/26

Y1 - 1987/10/26

N2 - We have found a narrow line (intrinsic width 2.5 keV) at 10621 keV in the summed-energy 180°-c.m.-correlated two-photon spectrum from 5.95-MeV/nucleon U+Th collisions. Including possible systematic uncertainties, the production cross section is found to be 5025 b, averaged over the 1-mg/cm2 Th target thickness. This line may belong to the decay of a neutral system which also produces correlated electron-positron pairs found by others in the same reaction.

AB - We have found a narrow line (intrinsic width 2.5 keV) at 10621 keV in the summed-energy 180°-c.m.-correlated two-photon spectrum from 5.95-MeV/nucleon U+Th collisions. Including possible systematic uncertainties, the production cross section is found to be 5025 b, averaged over the 1-mg/cm2 Th target thickness. This line may belong to the decay of a neutral system which also produces correlated electron-positron pairs found by others in the same reaction.

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U2 - 10.1103/PhysRevLett.59.1885

DO - 10.1103/PhysRevLett.59.1885

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