Study of the decays D+-> eta(('))e(+)nu(e)

BESIII Collaboration, Zahra Haddadi, Nasser Kalantar-Nayestanaki, Myroslav Kavatsyuk, Johannes Messchendorp, Marcel Tiemens

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    14 Citaten (Scopus)
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    The charm semileptonic decays D+ -> eta e(+)nu(e) and D+ -> eta'e(+)nu(e) are studied with a sample of e(+)e(-) collision data corresponding to an integrated luminosity of 2.93 fb(-1) collected at root s = 3.773 GeV with the BESIII detector. We measure the branching fractions for D+ -> eta e(+)upsilon(e) to be (10.74 +/- 0.81 +/- 0.51)x10(-4), and for D+ -> eta'e(+)nu(e) to be (1.91 +/- 0.51 +/- 0.13) x 10(-4), where the uncertainties are statistical and systematic, respectively. In addition, we perform a measurement of the form factor in the decay D+ -> eta e(+)nu(e) . All the results are consistent with those obtained by the CLEO-c experiment.
    Originele taal-2English
    Aantal pagina's10
    TijdschriftPhysical Review D
    Nummer van het tijdschrift9
    StatusPublished - 31-mei-2018

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