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Evidence for a spin-1 resonance in the reaction gamma gamma *-->K0K+/- pi +/-
- Author(s): Gidal, G
- Boyer, J
- Butler, F
- Cords, D
- Abrams, GS
- Amidei, D
- Baden, AR
- Barklow, T
- Boyarski, AM
- Burchat, P
- Burke, DL
- Dorfan, JM
- Feldman, GJ
- Gladney, L
- Gold, MS
- Goldhaber, G
- Golding, LJ
- Haggerty, J
- Hanson, G
- Hayes, K
- Herrup, D
- Hollebeek, RJ
- Innes, WR
- Jaros, JA
- Juricic, I
- Kadyk, JA
- Karlen, D
- Klein, SR
- Lankford, AJ
- Larsen, RR
- LeClaire, BW
- Levi, ME
- Lockyer, NS
- Lüth, V
- Matteuzzi, C
- Nelson, ME
- Ong, RA
- Perl, ML
- Richter, B
- Riles, K
- Rowson, PC
- Schaad, T
- Schellman, H
- Schmidke, WB
- Sheldon, PD
- Trilling, GH
- de la Vaissière C
- Wood, DR
- Yelton, JM
- Zaiser, C
- et al.
Abstract
We confirm the observation of a spin-1 resonance at 1423 MeV in the KS0K± system produced in single-tagged two-photon interactions. The Dalitz plot indicates that this resonance decays primarily via a K*K intermediate state. We measure a radiative width times branching ratio BKK»(M2/Q2)*=3.2±1.4±0.6 keV on the assumption of a -pole form factor. © 1987 The American Physical Society.
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