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Phys. Rev. C 40, 2154–2158 (1989)

Strong interaction effects in high-Z K- atoms

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C. J. Batty, M. Eckhause, K. P. Gall, P. P. Guss, D. W. Hertzog, J. R. Kane, A. R. Kunselman, J. P. Miller, F. O’Brien, W. C. Phillips, R. J. Powers, B. L. Roberts, R. B. Sutton, W. F. Vulcan, R. E. Welsh, R. J. Whyley, and R. G. Winter
Rutherford-Appleton Laboratory, Chilton, Didcot OX11 0QX, United Kingdom College of William and Mary, Williamsburg, Virginia 23185 Boston University, Boston, Massachusetts 02215 University of Wyoming, Laramie, Wyoming 82071 California Institute of Technology, Pasadena, California 91125 Carnegie-Mellon University, Pittsburgh, Pennsylvania 15213

Received 26 June 1989; published in the issue dated November 1989

A systematic experimental study of strong interaction shifts, widths, and yields from high-Z kaonic atoms is reported. Strong interaction effects for the K-(8→7) transition were measured in U, Pb, and W, and the K-(7→6) transition in W was also observed. This is the first observation of two measurably broadened and shifted kaonic transitions in a single target and thus permitted the width of the upper state to be determined directly, rather than being inferred from yield data. The results are compared with optical-model calculations.

© 1989 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevC.40.2154
DOI:
10.1103/PhysRevC.40.2154
PACS:
36.10.Gv, 14.40.Aq, 25.80.Nv