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Title: Search for rare K$sup +$ decays. II. K$sup +$ $Yields$ $pi$$sup +$$nu$ anti $nu$

Journal Article · · Phys. Rev., D, v. 8, no. 11, pp. 3807-3812
OSTI ID:4334681

In a counter experiment at the Lawrence Berkeley Laboratory Bevatron we have searched for the process K+ yields pi /sup +/vv in the kinetic energy interval 60 < T/sub pi / < 105 M1V and hav1 found no examples of this decay mode. Combining our data with these of Klems, Hildebrand, and Stiening for the interval 117 < T/sub pi /, <127 MeV, we obtain the limit GAMMA (K+ yields pi /sup +/ vv) < 5.6 x 10/sup -7/ GAMMA (K/sup +/ yields all), asssu ming a (vector) pion spectrum like that for K+ yields pi /sup o/e/sup +/ nu . Limits are presented f or other assumed spectra. (auth)

Research Organization:
Enrico Fermi Institute, The University of Chicago, and Department of Physics, The University of Arizona, Tucson, Arizona 85721
NSA Number:
NSA-29-027780
OSTI ID:
4334681
Journal Information:
Phys. Rev., D, v. 8, no. 11, pp. 3807-3812, Other Information: Orig. Receipt Date: 30-JUN-74
Country of Publication:
United States
Language:
English