Semileptonic decays D -> pi(+)pi(-)e(+)nu(e) and D-s -> pi(+)pi(-)e(+)nu(e) as the probe of constituent quark-antiquark pairs in the light scalar mesons

Achasov, NN; Kiselev, AV; Shestakov, GN

Achasov, NN; Kiselev, AV; Shestakov, GN (corresponding author), SL Sobolev Inst Math, Lab Theoret Phys, Novosibirsk 630090, Russia.; Kiselev, AV (corresponding author), Novosibirsk State Univ, Novosibirsk 630090, Russia.

PHYSICAL REVIEW D, 2020; 102 (1):

Abstract

Decays D -> pi(+)pi(-)e(+)nu(e) and D-s -> pi(+)pi(-)e(+)nu(e) serve as probes that check the existence of constituent q (q) over bar components......

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