Semileptonic B -> a_1 l nu decay in QCD

TL;DR

This paper calculates the form factors and branching ratio of the B -> a_1 l nu decay using QCD sum rules and compares these results with constituent quark model predictions.

Contribution

It provides new QCD sum rule calculations for the decay form factors and branching ratio, offering a comparison with existing quark model results.

Findings

Calculated form factors and branching ratio for B -> a_1 l nu decay.

Comparison shows agreement or differences with constituent quark model.

Provides theoretical predictions for experimental validation.

Abstract

The form factors and the branching ratio of the "B -> a_1 l nu" decay are calculated in framework of QCD sum rules. A comparison of our results on form factors and branching ratio with the results from constituent quark model is presented.