2000
DOI: 10.1590/s0103-97332000000200010
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Experimental evidence for a light and broad scalar resonance in D+-> pi-pi+pi+ decay

Abstract: ® pi- pi+ pi+ we find gamma(D+ -> pi- pi+ pi+)/gamma(D+ -> K- pi+ pi+) = 0:0329 ± 0:0015 . Using a coherent amplitude analysis to t the Dalitz plot of this decay, we find strong evidence that a scalar resonance of mass 483 ± 17 MeV/c² and width 338 ± 21 MeV/c² produces a decay fraction of approximately one half.]]>

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“…Figure 2.8 Generic Dalitz plot in s 12 × s 13 . Figure 2.9 D + → π − π + π + Dalitz plot from [24,25], (a) for simulation of possible individual resonance contributions and (b) for observed Dalitz plot. Figure 2.10 A raw distribution over B + → π − π + π + Dalitz plot, from [27].…”
Section: List Of Figuresmentioning
confidence: 99%
“…Figure 2.8 Generic Dalitz plot in s 12 × s 13 . Figure 2.9 D + → π − π + π + Dalitz plot from [24,25], (a) for simulation of possible individual resonance contributions and (b) for observed Dalitz plot. Figure 2.10 A raw distribution over B + → π − π + π + Dalitz plot, from [27].…”
Section: List Of Figuresmentioning
confidence: 99%