Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Analyzing New Physics in $\bar{B}^0 \to D^{(\ast)}\tau^-\bar\nu_{\tau}$   We discuss possible new physics (NP) effects beyond the standard model (SM)
in the exclusive decays $\bar{B}^0 \to D^{(\ast)} \tau^- \bar{\nu}_{\tau}$.
Starting with a model-independent effective Hamiltonian including non-SM
four-Fermi operators, we show how to obtain experimental constraints on
different NP scenarios and investigate their effects on a large set of physical
observables. The $\bar{B}^0 \to D^{(\ast)}$ transition form factors are
calculated in the full kinematic $q^2$ range by employing the covariant
confined quark model developed by our group.

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The categories of this paper are: mtrl-th
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The categories of this paper are: nlin
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The categories of this paper are: hep-lat
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The categories of this paper are: nucl-ex
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The categories of this paper are: chao-dyn
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The categories of this paper are: funct-an
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The categories of this paper are: astro-ph
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The categories of this paper are: cond-mat
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The categories of this paper are: adap-org
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The categories of this paper are: patt-sol
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The categories of this paper are: stat
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The categories of this paper are: math-ph
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The categories of this paper are: nucl-th
10
The categories of this paper are: q-bio
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The categories of this paper are: supr-con
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The categories of this paper are: quant-ph