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Measurement of direct photon emission in K+-->pi(+)pi(0)gamma decay |
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| Authors: | Adler Aoki Ardebili Atiya Bergbusch Blackmore Bryman Chiang Convery Diwan Frank Haggerty Inagaki Ito Kabe Kettell Kishi Kitching Kobayashi Komatsubara Konaka Kuno Kuriki Kycia Li Littenberg |
| Institution: | Brookhaven National Laboratory (BNL), Upton, New York 11973, USA. |
| Abstract: | We have performed a measurement of the K+-->pi(+)pi(0)gamma decay and have observed 2x10(4) events. The best fit to the decay spectrum gives a branching ratio for direct photon emission of (4.7+/-0.8+/-0. 3)x10(-6) in the pi(+) kinetic energy region of 55 to 90 MeV and requires no component due to interference with inner bremsstrahlung. |
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