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Heavy quark effective theory; current algebra; Isgur-Wise function; weak form factors of heavy quarks

Using the equal time commutation relations for the components of the vector and axialvector currents and keeping single particle states we obtain relations for the weak form factors for theB - D systems. In the heavy quark effective theory (HQET) limit these relations determine the Isgur-Wise function.

V Gupta¹ H S Mani¹

1. The Mehta Research Institute of Mathematics and Mathematical Physics, 10, Kasturba Gandhi Marg, Allahabad - 211 002, India

Published

March 1996

Manuscript received

17 February 1995

Manuscript revised

12 February 1996