--- title: "Experimental evidence for a light and broad scalar resonance in D^+\\to \\pi^-\\pi^+\\pi^+ decay • CBPF Index" description: "O CBPF INDEX é o sistema de acompanhamento da produção científica e tecnológica do CBPF. Nele é possível obter a lista de publicações de artigos, livros, relatórios técnicos, etc de toda a comunidade do CBPF." canonical_url: "https://index.cbpf.br/publicacoes/6ad2a767639f62b11adbb3ce" locale: pt meta: "og:description": "O CBPF INDEX é o sistema de acompanhamento da produção científica e tecnológica do CBPF. Nele é possível obter a lista de publicações de artigos, livros, relatórios técnicos, etc de toda a comunidade do CBPF." 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Aitala; S. Amato; J. dos Anjos; J.A. Appel; D. Ashery; S. Banerjee; Ignácio Alfonso de Bediaga e Hickman; G. Blaylock; S.B. Bracker; P.R. Burchat; R.A. Burnstein; T. Carter; H.S. Carvalho; N.K. Copty; L.M. Cremaldi; C. Darling; K. Denisenko; S. Devmal; A. Fernandez; G.F. Fox; P. Gagnon; C. Gobel; K. Gounder; A.M. Halling; G. Herrera; G. Hurvits; C. James; P.A. Kasper; S. Kwan; D.C. Langs; J. Leslie; B. Lundberg; J. Magnin; A. Massafferri; S. MayTal-Beck; B. Meadows; J.R.T. de Mello Neto; D. Mihalcea; R.H. Milburn; J.M. de Miranda; A. Napier; A. Nguyen; A.B. D Oliveira; K. O Shaughnessy; K.C. Peng; L.P. Perera; M.V. Purohit; B. Quinn; S. Radeztsky; A. Rafatian; N. W. Reay; J.J. Reidy; A. C. dos Reis; H.A. Rubin; D.A. Sanders; A.K.S. Santha; A.F.S. Santoro; A.J. Schwartz; M. Sheaff; R.A. Sidwell; A.J. Slaughter; M.D. Sokoloff; J. Solano; N.R. Stanton; R.J. Stefanski; K. Stenson; D.J. Summers; S. Takach; K. Thorne; A.K. Tripathi; S. Watanabe; R. Weiss-Babai; J. Wiener; N. Witchey; E. Wolin; S.M. Yang; D. Yi; S. Yoshida; R. Zaliznyak; C. Zhang** 2000 [**Baixar PDF **0,2 MB](https://index.cbpf.br/files/publicacao/6ad2a767639f62b11adbb3ce/pdf) [**Contatar responsável**](mailto:apub@cbpf.br?subject=Experimental%20evidence%20for%20a%20light%20and%20broad%20scalar%20resonance%20in%20%3Cmath%3ED%5E%2B%5Cto%20%5Cpi%5E-%5Cpi%5E%2B%5Cpi%5E%2B%3C%2Fmath%3E%20decay) ## **Dados da publicação**
Autores
E.M. Aitala; S. Amato; J. dos Anjos; J.A. Appel; D. Ashery; S. Banerjee; Ignácio Alfonso de Bediaga e Hickman; G. Blaylock; S.B. Bracker; P.R. Burchat; R.A. Burnstein; T. Carter; H.S. Carvalho; N.K. Copty; L.M. Cremaldi; C. Darling; K. Denisenko; S. Devmal; A. Fernandez; G.F. Fox; P. Gagnon; C. Gobel; K. Gounder; A.M. Halling; G. Herrera; G. Hurvits; C. James; P.A. Kasper; S. Kwan; D.C. Langs; J. Leslie; B. Lundberg; J. Magnin; A. Massafferri; S. MayTal-Beck; B. Meadows; J.R.T. de Mello Neto; D. Mihalcea; R.H. Milburn; J.M. de Miranda; A. Napier; A. Nguyen; A.B. D Oliveira; K. O Shaughnessy; K.C. Peng; L.P. Perera; M.V. Purohit; B. Quinn; S. Radeztsky; A. Rafatian; N. W. Reay; J.J. Reidy; A. C. dos Reis; H.A. Rubin; D.A. Sanders; A.K.S. Santha; A.F.S. Santoro; A.J. Schwartz; M. Sheaff; R.A. Sidwell; A.J. Slaughter; M.D. Sokoloff; J. Solano; N.R. Stanton; R.J. Stefanski; K. Stenson; D.J. Summers; S. Takach; K. Thorne; A.K. Tripathi; S. Watanabe; R. Weiss-Babai; J. Wiener; N. Witchey; E. Wolin; S.M. Yang; D. Yi; S. Yoshida; R. Zaliznyak; C. Zhang
Tipo
Nota de Física
Status
Publicado
Data de publicação
2000
Descrição
From a sample of <math>1172 \pm 61 D^+ \to \pi^- \pi^+ \pi^+</math> decays, we find <math>\Gamma (D^+ \to \pi^- \pi^+ \pi^+ ) / \Gamma ( D^+ \to K^- \pi^+ \pi^+ ) = 0.0311 \pm 0.0018 ^{+0.0016}_{-0.0026}</math>. Using a coherent amplitude analysis to fit the Dalitz plot of these decays, we find strong evidence that a scalar resonance of mass <math>478^{+24}_{-23} \pm 17 MeV/c^2</math> and width <math>324^{+42}_{-40} \pm 21 MeV/c^2</math> accounts for approximately half of all decays.
Ano
2000
Número
CBPF-NF-056/00
Vínculo com tese
Não
Vínculo com bolsa
Não
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