Marc Pelizaeus - Meson

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• Discovery of new states in recent years has pushed experimental / theoretical activity in charm / charmonium spectroscopy Summary • Comprehensive study of D sJ* (2317) and D sJ (2460) – precise measurement of mass, width and branching ratios – first measurement of absolute D sJ (2460) branching fractions • Discovery of D sJ *(2860) state decaying to DK (brand new) • Charmonium candidates X(3872) and Y(4260) – studies on production processes and decay modes – further investigation required to understand the nature of these states M. Pelizäus, Charm and Charmonium Spectroscopy 22
Backup Slides M. Pelizäus, Charm and Charmonium Spectroscopy 23
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: • X(3872) (→J/ψπ + π − , J
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 and 30: Confirmation of Y(4260) from CLEO-I
Page 31: ISR studies of Y(4260) • No indic

Marc Pelizaeus - Meson

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