Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Polarisation studies in H-t production   We summarise a recent study looking at top quark polarisation effects in
charged Higgs boson production. Lab frame angular and energy observables
relating to leptonic decays of top quarks are analysed, and corresponding
asymmetry parameters obtained. These are shown to be sensitive to top
polarisation and robust with respect to higher order corrections. Thus, they
are an efficient probe of charged Higgs parameter space.

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The categories of this paper are: chem-ph
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The categories of this paper are: stat
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The categories of this paper are: atom-ph
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The categories of this paper are: adap-org
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The categories of this paper are: comp-gas
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The categories of this paper are: math-ph
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The categories of this paper are: funct-an
3
The categories of this paper are: physics
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The categories of this paper are: alg-geom
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The categories of this paper are: solv-int
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The categories of this paper are: supr-con
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The categories of this paper are: hep-lat
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The categories of this paper are: cmp-lg
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The categories of this paper are: mtrl-th
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The categories of this paper are: nucl-ex
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The categories of this paper are: plasm-ph