Observation of an excited charmed baryon decaying into Ξ0c π+

CLEO Collaboration

Research output: Contribution to journalArticle

58 Citations (Scopus)

Abstract

Using data recorded by the CLEO II detector at the Cornell Electron Storage Ring, we report the first observation of an excited charmed baryon decaying into Ξ0cπ+. The state has mass difference M\(Ξ0cπ+)-M(Ξ0c\) of 174.3+/-0.5+/-1.0 MeV/c2, and a width of < 3.1 MeV/c2 (90% confidence level limit). We identify the new state as the Ξ*+c, the isospin partner of the recently discovered Ξ*+c.

Original languageEnglish
Pages (from-to)810-813
Number of pages4
JournalPhysical Review Letters
Volume77
Issue number5
DOIs
Publication statusPublished - 1996 Jan 1

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confidence
baryons
detectors
electrons

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

CLEO Collaboration. / Observation of an excited charmed baryon decaying into Ξ0c π+. In: Physical Review Letters. 1996 ; Vol. 77, No. 5. pp. 810-813.
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author = "{CLEO Collaboration} and L. Gibbons and Johnson, {S. D.} and Youngjoon Kwon and S. Roberts and Thorndike, {E. H.} and Jessop, {C. P.} and K. Lingel and H. Marsiske and Perl, {M. L.} and Schaffner, {S. F.} and R. Wang and Coan, {T. E.} and J. Dominick and V. Fadeyev and I. Korolkov and M. Lambrecht and S. Sanghera and V. Shelkov and R. Stroynowski and I. Volobouev and G. Wei and M. Artuso and A. Efimov and M. Gao and M. Goldberg and D. He and N. Horwitz and S. Kopp and Moneti, {G. C.} and R. Mountain and Y. Mukhin and S. Playfer and T. Skwarnicki and S. Stone and X. Xing and J. Bartelt and Csorna, {S. E.} and V. Jain and S. Marka and A. Freyberger and D. Gibaut and K. Kinoshita and P. Pomianowski and S. Schrenk and D. Cinabro and B. Barish and M. Chadha and S. Chan and G. Eigen and Miller, {J. S.}",
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Observation of an excited charmed baryon decaying into Ξ0c π+. / CLEO Collaboration.

In: Physical Review Letters, Vol. 77, No. 5, 01.01.1996, p. 810-813.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Observation of an excited charmed baryon decaying into Ξ0c π+

AU - CLEO Collaboration

AU - Gibbons, L.

AU - Johnson, S. D.

AU - Kwon, Youngjoon

AU - Roberts, S.

AU - Thorndike, E. H.

AU - Jessop, C. P.

AU - Lingel, K.

AU - Marsiske, H.

AU - Perl, M. L.

AU - Schaffner, S. F.

AU - Wang, R.

AU - Coan, T. E.

AU - Dominick, J.

AU - Fadeyev, V.

AU - Korolkov, I.

AU - Lambrecht, M.

AU - Sanghera, S.

AU - Shelkov, V.

AU - Stroynowski, R.

AU - Volobouev, I.

AU - Wei, G.

AU - Artuso, M.

AU - Efimov, A.

AU - Gao, M.

AU - Goldberg, M.

AU - He, D.

AU - Horwitz, N.

AU - Kopp, S.

AU - Moneti, G. C.

AU - Mountain, R.

AU - Mukhin, Y.

AU - Playfer, S.

AU - Skwarnicki, T.

AU - Stone, S.

AU - Xing, X.

AU - Bartelt, J.

AU - Csorna, S. E.

AU - Jain, V.

AU - Marka, S.

AU - Freyberger, A.

AU - Gibaut, D.

AU - Kinoshita, K.

AU - Pomianowski, P.

AU - Schrenk, S.

AU - Cinabro, D.

AU - Barish, B.

AU - Chadha, M.

AU - Chan, S.

AU - Eigen, G.

AU - Miller, J. S.

PY - 1996/1/1

Y1 - 1996/1/1

N2 - Using data recorded by the CLEO II detector at the Cornell Electron Storage Ring, we report the first observation of an excited charmed baryon decaying into Ξ0cπ+. The state has mass difference M\(Ξ0cπ+)-M(Ξ0c\) of 174.3+/-0.5+/-1.0 MeV/c2, and a width of < 3.1 MeV/c2 (90% confidence level limit). We identify the new state as the Ξ*+c, the isospin partner of the recently discovered Ξ*+c.

AB - Using data recorded by the CLEO II detector at the Cornell Electron Storage Ring, we report the first observation of an excited charmed baryon decaying into Ξ0cπ+. The state has mass difference M\(Ξ0cπ+)-M(Ξ0c\) of 174.3+/-0.5+/-1.0 MeV/c2, and a width of < 3.1 MeV/c2 (90% confidence level limit). We identify the new state as the Ξ*+c, the isospin partner of the recently discovered Ξ*+c.

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U2 - 10.1103/PhysRevLett.77.810

DO - 10.1103/PhysRevLett.77.810

M3 - Article

VL - 77

SP - 810

EP - 813

JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

IS - 5

ER -