Amplitude Analysis and Branching-fraction Measurement of D-s(+) -> K-S(0)pi(+)pi(0)
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Erişim
info:eu-repo/semantics/openAccessAttribution-NoDerivs 3.0 United Stateshttp://creativecommons.org/licenses/by-nd/3.0/us/Tarih
2021Üst veri
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Ablikim, M., Achasov, M. N., Adlarson, P., Ahmed, S., Albrecht, M., Aliberti, R., ... & Koch, L. (2021). Amplitude analysis and branching-fraction measurement of D s+→ KS 0 π+ π 0$${D} _s^{+}\to {K} _S^ 0 {\pi}^{+}{\pi}^ 0$$. Journal of High Energy Physics, 2021(6), 1-25.Özet
By using 6.32 fb(-1) of data collected with the BESIII detector at center-of-mass energies between 4.178 and 4.226 GeV, we perform an amplitude analysis of the decay D-s(+) -> K-S(0) pi(+)pi(0) and determine the relative fractions and phase differences of different intermediate processes, which include K-S(0) rho(770)(+), K-S(0)rho(1450)(+), K*(892)(0) pi(+), K* (892)(+) pi(0), and K* (1410)(0) pi(+). With the detection efficiency based on the amplitude analysis results, the absolute branching fraction is measured to be B(D-s(+) -> K-S(0) pi(+) pi(0)) = (5.43 +/- 0.30(stat) +/- 0.15(syst)) x 10(-3).
Kaynak
Journal of High Energy PhysicsCilt
181Sayı
6Koleksiyonlar
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