Study of the K- -> mu- nu pi0 decay

dc.creatorAjinenko, I.
dc.creatorAkimenko, S.
dc.creatorBritvich, G.
dc.creatorBritvich, I.
dc.creatorDatsko, K.
dc.creatorFilin, A.
dc.creatorInyakin, A.
dc.creatorKonstantinov, A.
dc.creatorKonstantinov, V.
dc.creatorKorolkov, I.
dc.creatorLeontiev, V.
dc.creatorNovikov, V.
dc.creatorObraztsov, V.
dc.creatorPolyakov, V.
dc.creatorRomanovsky, V.
dc.creatorShelikhov, V.
dc.creatorSmirnov, N.
dc.creatorSoldatov, M.
dc.creatorTchikilev, O.
dc.creatorUsenko, E.
dc.creatorVasiliev, M.
dc.creatorVlasov, E.
dc.creatorYakimchuk, V.
dc.creatorYushchenko, O.
dc.creatorBolotov, V.
dc.creatorLaptev, S.
dc.creatorLebedev, V.
dc.creatorPastsjak, A.
dc.creatorPolyarush, A.
dc.creatorSirodeev, R.
dc.date2002-02-07
dc.date.accessioned2026-07-07T10:32:59Z
dc.date.available2026-07-07T10:32:59Z
dc.descriptionThe decay $K^{-} \to μ^{-} \barν π^{0}$ has been studied using in-flight decays detected with ``ISTRA+'' setup operating in the 25 GeV negative secondary beam of the U-70 PS. About 112K events were used for the analysis. The $λ_{+}$ and $λ_{0}$ slope parameters of the decay formfactors $f_{+}(t)$, $f_{0}(t)$ have been measured : $λ_{+}= 0.0321 \pm 0.004$(stat) $\pm 0.002$(syst) $λ_{0}= 0.0209 \pm 0.004$(stat) $\pm 0.002$(syst); the correlation $d λ_{0}/d λ_{+}=-0.46$ The limits on the possible tensor and scalar couplings have been derived: $f_{T}/f_{+}(0)=-0.021 \pm 0.028$(stat) $\pm 0.014$(theory); $f_{S}/f_{+}(0)=0.004 \pm 0.005$(stat) $\pm 0.005$(theory)
dc.description9 pages, Latex, 5 Postscript figures
dc.identifierhttps://arxiv.org/abs/hep-ph/0202061
dc.identifierhttp://arxiv.org/abs/hep-ph/0202061
dc.identifierPhys.Atom.Nucl.66:105-109,2003; Yad.Fiz.66:107-111,2003
dc.identifierdoi:10.1134/1.1540663
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/178951
dc.subjectHigh Energy Physics - Phenomenology
dc.titleStudy of the K- -> mu- nu pi0 decay
dc.typetext

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