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Analyticity bounds on the Isgur-Wise function

✍ Scribed by C.A. Dominguez; J.G. Körner; D. Pirjol

Book ID: 107969964
Publisher: Elsevier Science
Year: 1993
Tongue: English
Weight: 283 KB
Volume: 301
Category: Article
ISSN: 0370-2693
DOI: 10.1016/0370-2693(93)90698-h

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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 Λ~b~ → Λ~c~ ℓ ν (j = 0 for the light could), that the reason behind these strong constraints is th