Marc Pelizaeus - Meson

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Y(4260) production in B decays • Exclusive study of B + →K + (J/ψπ + π - ) decays Babar: 232M B PRD 73, 011101 (2006) • Indication for production in B decays – Signal lineshape uses mass and intrinsic width obtained from signal observed in ISR production – Needs confirmation N=128±42 3.1σ 4260 MeV M. Pelizäus, Charm and Charmonium Spectroscopy 30
ISR studies of Y(4260) • No indication for Y(4260) decay to p in ISR proccesses Babar: 232 fb -1 PRD 73, 012005 (2006) M. Pelizäus, Charm and Charmonium Spectroscopy 31
Page 1 and 2: 9 th International Workshop on Meso
Page 3 and 4: Production of hidden and open charm
Page 5 and 6: • Put further experimental constr
Page 7 and 8: Exclusive study of D sJ (2460) •
Page 9 and 10: Exclusive study: Summary • Decay
Page 11 and 12: Exclusive study of the DK system
Page 13 and 14: Further studies of D sJ *(2860) •
Page 15 and 16: • Tetra quark model - predicts no
Page 17 and 18: Exclusive study of X(3872) • B +
Page 19 and 20: Discovery of Y(4260) • Negative s
Page 21 and 22: • X(3872) (→J/ψπ + π − , J
Page 23 and 24: Backup Slides M. Pelizäus, Charm a
Page 25 and 26: Reflections in D s π 0 Data MC Eff
Page 27 and 28: Babar: 193 fb -1 PRD 71, 031501 (20
Page 29: Confirmation of Y(4260) from CLEO-I

Marc Pelizaeus - Meson

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