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Anomalous thresholds and the Isgur-Wise function

✍ Scribed by B. Holdom; M. Sutherland


Book ID
112561546
Publisher
Springer
Year
1995
Tongue
English
Weight
332 KB
Volume
65
Category
Article
ISSN
0170-9739

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## Abstract Bjorken‐like sum rules have proven to be very powerful in constraining the derivatives of the Isgur‐Wise (IW) function. We expose here, adapted to the simpler case of the baryon transition Ξ›~b~ β†’ Ξ›~c~ β„“ Ξ½ (j = 0 for the light could), that the reason behind these strong constraints is th