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AbstractAbstract
[en] Using the Crystal Ball detector at SPEAR, we have looked for evidence of the isospin-violating decay psi' → π01P1, where 1P1 is the predicted spin-singlet p-wave bound state of charmonium. For a 1P1 state at the predicted mass (approx. 3520 MeV), we obtain the 95% confidence level limits: BR(psi' → π01P1) < 0.55%, BR(psi' → π01P1)BR(1P1 → γnc < 0.14%. These limits are compared with simple theoretical predictions
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Feb 1982; 6 p; 17. Recontre de Moriond workshop on new flavours; Les Arcs (France); 24 - 30 Jan 1982; CONF-820143--1; CALT--68-899; Available from NTIS., PC A02/MF A01 as DE82009520
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Conference
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