Constrained fitting of three-point functions
M. Gurtler, C.T.H. Davies, J. Hein, J. Shigemitsu, and G. P. Lepage
TL;DR
This paper improves the calculation of form factors for B to D semileptonic decay by employing constrained fitting and multiple smearings in correlator analysis.
Contribution
It introduces a constrained fitting approach combined with multiple smearings to enhance the accuracy of form factor determination in semileptonic decay calculations.
Findings
Enhanced precision in form factor extraction.
Improved fitting methodology for correlator analysis.
Potential for more accurate decay rate predictions.
Abstract
We determine matrix elements for semileptonic decay. The use of the constrained fitting method and multiple smearings for both two- and three-point correlators allows an improved calculation of the form factors.
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