February 14, 1994 Journal article Open Access

T. F. Lin; P. Lebrun; James E Wiss; G. N. Kim; P. H. Kasper; John Perry Cumalat; F. Davenport; Cristina Riccardi; M. S. Nehring; V. Arena; D. Torretta; Sandra Malvezzi; C. Dallapiccola; Paolo Vitulo; S. Sala; M. Vittone; S. Sarwar; P. M. Yager; M. Di Corato; A. E. Kreymer; L. Cinquini; G. Alimonti; D. J. Harding; B. O'Reilly; G. P. Grim; Robert Gardner; J. A. Swiatek; P. L. Frabetti; Fabrizio Fabbri; Gabriele Gianini; D. Buchholz; E. Meroni; S. Cihangir; V. S. Paolone; James R. Wilson; W. D. Shephard; Stefano Bianco; J. F. Ginkel; J. S. Kang; T. Handler; S. Shukla; R. Greene; Luigi Moroni; Stephen A. Gourlay; Senta Greene; A. Zallo; L. Perasso; G. Bellini; D. Claes; J. M. Bishop; L. Garren; J. N. Butler; Z. Y. Wu; H. W.K. Cheung; Daniele Pedrini; B. Caccianiga; Willard Johns; J. F. Filasetta; C. Castoldi; F. Leveraro; A. Sala; Randy Ruchti; P. H. Garbincius; G. R. Blackett; M. Pisharody; Alan D. Lopez; Marco Giammarchi; P. Inzani; N. M. Cason; S. P. Ratti; Paul Sheldon; R. Culbertson; B. G. Cheon; K. Y. Kim; C. J. Kennedy; G. Boca; I. Gaines; D. L. Puseljic; Dario Menasce; B. Gobbi

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        "name": "T. F. Lin"
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        "name": "P. Lebrun"
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      {
        "name": "James E Wiss"
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      {
        "name": "G. N. Kim"
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      {
        "name": "P. H. Kasper"
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      {
        "name": "John Perry Cumalat"
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        "name": "F. Davenport"
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        "name": "Cristina Riccardi"
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      {
        "name": "M. S. Nehring"
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      {
        "name": "V. Arena"
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      {
        "name": "D. Torretta"
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      {
        "name": "Sandra Malvezzi"
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      {
        "name": "C. Dallapiccola"
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        "name": "S. Sala"
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        "name": "S. Sarwar"
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        "name": "M. Di Corato"
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      {
        "name": "A. E. Kreymer"
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      {
        "name": "L. Cinquini"
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      {
        "name": "G. Alimonti"
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      {
        "name": "D. J. Harding"
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      {
        "name": "B. O'Reilly"
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        "name": "G. P. Grim"
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      {
        "name": "Robert Gardner"
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      {
        "name": "J. A. Swiatek"
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      {
        "name": "P. L. Frabetti"
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      {
        "name": "Fabrizio Fabbri"
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        "name": "Gabriele Gianini"
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        "name": "E. Meroni"
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      {
        "name": "S. Cihangir"
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      {
        "name": "V. S. Paolone"
      }, 
      {
        "name": "James R. Wilson"
      }, 
      {
        "name": "W. D. Shephard"
      }, 
      {
        "name": "Stefano Bianco"
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      {
        "name": "J. F. Ginkel"
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        "name": "R. Greene"
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      {
        "name": "Luigi Moroni"
      }, 
      {
        "name": "Stephen A. Gourlay"
      }, 
      {
        "name": "Senta Greene"
      }, 
      {
        "name": "A. Zallo"
      }, 
      {
        "name": "L. Perasso"
      }, 
      {
        "name": "G. Bellini"
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      {
        "name": "D. Claes"
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      {
        "name": "J. M. Bishop"
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      {
        "name": "L. Garren"
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      {
        "name": "J. N. Butler"
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        "name": "Z. Y. Wu"
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        "name": "H. W.K. Cheung"
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      {
        "name": "Daniele Pedrini"
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        "name": "B. Caccianiga"
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        "name": "Willard Johns"
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        "name": "C. Castoldi"
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      {
        "name": "F. Leveraro"
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      {
        "name": "A. Sala"
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      {
        "name": "Randy Ruchti"
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      {
        "name": "P. H. Garbincius"
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      {
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        "name": "M. Pisharody"
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      {
        "name": "Alan D. Lopez"
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      {
        "name": "Marco Giammarchi"
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      {
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      {
        "name": "N. M. Cason"
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      {
        "name": "S. P. Ratti"
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      {
        "name": "Paul Sheldon"
      }, 
      {
        "name": "R. Culbertson"
      }, 
      {
        "name": "B. G. Cheon"
      }, 
      {
        "name": "K. Y. Kim"
      }, 
      {
        "name": "C. J. Kennedy"
      }, 
      {
        "name": "G. Boca"
      }, 
      {
        "name": "I. Gaines"
      }, 
      {
        "name": "D. L. Puseljic"
      }, 
      {
        "name": "Dario Menasce"
      }, 
      {
        "name": "B. Gobbi"
      }
    ], 
    "description": "An observation of an excited ${\\mathrm{\\ensuremath{\\Lambda}}}_{\\mathit{c}}^{+\\mathrm{*}}$ baryon decaying to ${\\mathrm{\\ensuremath{\\Lambda}}}_{\\mathit{c}}^{+}$${\\mathrm{\\ensuremath{\\pi}}}^{+}$${\\mathrm{\\ensuremath{\\pi}}}^{\\mathrm{\\ensuremath{-}}}$, with ${\\mathrm{\\ensuremath{\\Lambda}}}_{\\mathit{c}}^{+}$\\ensuremath{\\rightarrow}${\\mathit{pK}}^{\\mathrm{\\ensuremath{-}}}$${\\mathrm{\\ensuremath{\\pi}}}^{+}$, is presented. We reconstruct 39.7\\ifmmode\\pm\\else\\textpm\\fi{}8.7${\\mathrm{\\ensuremath{\\Lambda}}}_{\\mathit{c}}^{+\\mathrm{*}}$ baryons with a mass of 340.4\\ifmmode\\pm\\else\\textpm\\fi{}0.6\\ifmmode\\pm\\else\\textpm\\fi{}0.3 MeV/${\\mathit{c}}^{2}$ above the ${\\mathrm{\\ensuremath{\\Lambda}}}_{\\mathit{c}}^{+}$ mass. The upper limit on the resonant branching ratio is B(${\\mathrm{\\ensuremath{\\Lambda}}}_{\\mathit{c}}^{+\\mathrm{*}}$\\ensuremath{\\rightarrow}${\\mathrm{\\ensuremath{\\Sigma}}}_{\\mathit{c}}$${\\mathrm{\\ensuremath{\\pi}}}^{\\ifmmode\\pm\\else\\textpm\\fi{}}$)/B(${\\mathrm{\\ensuremath{\\Lambda}}}_{\\mathit{c}}^{+\\mathrm{*}}$\\ensuremath{\\rightarrow}${\\mathrm{\\ensuremath{\\Lambda}}}_{\\mathit{c}}^{+}$ ${\\mathrm{\\ensuremath{\\pi}}}^{+}$${\\mathrm{\\ensuremath{\\pi}}}^{\\mathrm{\\ensuremath{-}}}$)36% at the 90% confidence level.", 
    "doi": "10.1103/physrevlett.72.961", 
    "keywords": [
      "General Physics and Astronomy"
    ], 
    "language": "eng", 
    "license": {
      "id": "other-open"
    }, 
    "notes": "", 
    "publication_date": "1994-02-14", 
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    "resource_type": {
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      "title": "Journal article", 
      "type": "publication"
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    "title": "Observation of an excited state of the Lambda c+ baryon."
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