Observation of e+e-<ds±<ds"< at s=4.14 gev

G. T. Blaylock; T. Bolton; J. S. Brown; K. O. Bunnell; T. H. Burnett; R. E. Cassell; D. Coffman; V. Cook; D. H. Coward; D. E. Dorfan; G. P. Dubois; G. Eigen; B. I. Eisenstein; T. Freese; G. Gladding; C. Grab; C. A. Heusch; D. G. Hitlin; J. M. Izen; L. Köpke; A. Li; W. S. Lockman; U. Mallik; C. G. Matthews; R. Mir; P. M. Mockett; R. F. Mozley; B. Nemati; A. Odian; J. Parker; L. Parrish; R. Partridge; D. Pitman; H. F.W. Sadrozinski; M. Scarlatella; T. L. Schalk; R. H. Schindler; A. Seiden; C. Simopoulos; I. E. Stockdale; W. Stockhausen; J. J. Thaler; W. Toki; B. Tripsas; F. Villa; S. Wasserbaech; A. Wattenberg; A. J. Weinstein; H. J. Willutzki; D. Wisinski; W. J. Wisniewski; R. Xu; Y. Zhu

doi:10.1103/PhysRevLett.58.2171

Observation of e+e-<ds±<ds"< at s=4.14 gev

G. T. Blaylock, T. Bolton, J. S. Brown, K. O. Bunnell, T. H. Burnett, R. E. Cassell, D. Coffman, V. Cook, D. H. Coward, D. E. Dorfan, G. P. Dubois, G. Eigen, B. I. Eisenstein, T. Freese, G. Gladding, C. Grab, C. A. Heusch, D. G. Hitlin, J. M. Izen, L. KöpkeA. Li, W. S. Lockman, U. Mallik, C. G. Matthews, R. Mir, P. M. Mockett, R. F. Mozley, B. Nemati, A. Odian, J. Parker, L. Parrish, R. Partridge, D. Pitman, H. F.W. Sadrozinski, M. Scarlatella, T. L. Schalk, R. H. Schindler, A. Seiden, C. Simopoulos, I. E. Stockdale, W. Stockhausen, J. J. Thaler, W. Toki, B. Tripsas, F. Villa, S. Wasserbaech, A. Wattenberg, A. J. Weinstein, H. J. Willutzki, D. Wisinski, W. J. Wisniewski, R. Xu, Y. Zhu

Research output: Contribution to journal › Article › peer-review

Abstract

We present evidence for the exclusive reaction e+e- '<Ds±<Ds"<, observed with the Mark III detector at the SLAC storage ring SPEAR. The Ds±< is reconstructed in the ±< decay mode, while the Ds"< is detected as a narrow peak in the recoil-mass distribution. The mass of the Ds* is found to be 2109.3±<2. 1±<3.1 MeV/c2, yielding a Ds*-Ds mass difference of 137.9±<2.1±<4.3 MeV/c2. The width of the Ds* is <22 MeV/c2 at the 90%-confidence level. The observed signal corresponds <(e+e-'<Ds+Ds*-+Ds-Ds*+)B(Ds+'<+)=30±<6± <11 pb at s=4.14 GeV.

Original language	English (US)
Pages (from-to)	2171-2174
Number of pages	4
Journal	Physical review letters
Volume	58
Issue number	21
DOIs	https://doi.org/10.1103/PhysRevLett.58.2171
State	Published - 1987
Externally published	Yes

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General Physics and Astronomy

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10.1103/PhysRevLett.58.2171

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Blaylock, G. T., Bolton, T., Brown, J. S., Bunnell, K. O., Burnett, T. H., Cassell, R. E., Coffman, D., Cook, V., Coward, D. H., Dorfan, D. E., Dubois, G. P., Eigen, G., Eisenstein, B. I., Freese, T., Gladding, G., Grab, C., Heusch, C. A., Hitlin, D. G., Izen, J. M., ... Zhu, Y. (1987). Observation of e+e-<ds±<ds"< at s=4.14 gev. Physical review letters, 58(21), 2171-2174. https://doi.org/10.1103/PhysRevLett.58.2171

Blaylock, GT, Bolton, T, Brown, JS, Bunnell, KO, Burnett, TH, Cassell, RE, Coffman, D, Cook, V, Coward, DH, Dorfan, DE, Dubois, GP, Eigen, G, Eisenstein, BI, Freese, T, Gladding, G, Grab, C, Heusch, CA, Hitlin, DG, Izen, JM, Köpke, L, Li, A, Lockman, WS, Mallik, U, Matthews, CG, Mir, R, Mockett, PM, Mozley, RF, Nemati, B, Odian, A, Parker, J, Parrish, L, Partridge, R, Pitman, D, Sadrozinski, HFW, Scarlatella, M, Schalk, TL, Schindler, RH, Seiden, A, Simopoulos, C, Stockdale, IE, Stockhausen, W, Thaler, JJ, Toki, W, Tripsas, B, Villa, F, Wasserbaech, S, Wattenberg, A, Weinstein, AJ, Willutzki, HJ, Wisinski, D, Wisniewski, WJ, Xu, R & Zhu, Y 1987, 'Observation of e+e-<ds±<ds"< at s=4.14 gev', Physical review letters, vol. 58, no. 21, pp. 2171-2174. https://doi.org/10.1103/PhysRevLett.58.2171

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title = "Observation of e+e-<ds±<ds{"}< at s=4.14 gev",

abstract = "We present evidence for the exclusive reaction e+e- '",

author = "Blaylock, {G. T.} and T. Bolton and Brown, {J. S.} and Bunnell, {K. O.} and Burnett, {T. H.} and Cassell, {R. E.} and D. Coffman and V. Cook and Coward, {D. H.} and Dorfan, {D. E.} and Dubois, {G. P.} and G. Eigen and Eisenstein, {B. I.} and T. Freese and G. Gladding and C. Grab and Heusch, {C. A.} and Hitlin, {D. G.} and Izen, {J. M.} and L. K{\"o}pke and A. Li and Lockman, {W. S.} and U. Mallik and Matthews, {C. G.} and R. Mir and Mockett, {P. M.} and Mozley, {R. F.} and B. Nemati and A. Odian and J. Parker and L. Parrish and R. Partridge and D. Pitman and Sadrozinski, {H. F.W.} and M. Scarlatella and Schalk, {T. L.} and Schindler, {R. H.} and A. Seiden and C. Simopoulos and Stockdale, {I. E.} and W. Stockhausen and Thaler, {J. J.} and W. Toki and B. Tripsas and F. Villa and S. Wasserbaech and A. Wattenberg and Weinstein, {A. J.} and Willutzki, {H. J.} and D. Wisinski and Wisniewski, {W. J.} and R. Xu and Y. Zhu",

year = "1987",

doi = "10.1103/PhysRevLett.58.2171",

language = "English (US)",

volume = "58",

pages = "2171--2174",

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AU - Blaylock, G. T.

AU - Bolton, T.

AU - Brown, J. S.

AU - Bunnell, K. O.

AU - Burnett, T. H.

AU - Cassell, R. E.

AU - Coffman, D.

AU - Cook, V.

AU - Coward, D. H.

AU - Dorfan, D. E.

AU - Dubois, G. P.

AU - Eigen, G.

AU - Eisenstein, B. I.

AU - Freese, T.

AU - Gladding, G.

AU - Grab, C.

AU - Heusch, C. A.

AU - Hitlin, D. G.

AU - Izen, J. M.

AU - Köpke, L.

AU - Li, A.

AU - Lockman, W. S.

AU - Mallik, U.

AU - Matthews, C. G.

AU - Mir, R.

AU - Mockett, P. M.

AU - Mozley, R. F.

AU - Nemati, B.

AU - Odian, A.

AU - Parker, J.

AU - Parrish, L.

AU - Partridge, R.

AU - Pitman, D.

AU - Sadrozinski, H. F.W.

AU - Scarlatella, M.

AU - Schalk, T. L.

AU - Schindler, R. H.

AU - Seiden, A.

AU - Simopoulos, C.

AU - Stockdale, I. E.

AU - Stockhausen, W.

AU - Thaler, J. J.

AU - Toki, W.

AU - Tripsas, B.

AU - Villa, F.

AU - Wasserbaech, S.

AU - Wattenberg, A.

AU - Weinstein, A. J.

AU - Willutzki, H. J.

AU - Wisinski, D.

AU - Wisniewski, W. J.

AU - Xu, R.

AU - Zhu, Y.

PY - 1987

Y1 - 1987

N2 - We present evidence for the exclusive reaction e+e- '

AB - We present evidence for the exclusive reaction e+e- '

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DO - 10.1103/PhysRevLett.58.2171

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SN - 0031-9007

VL - 58

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EP - 2174

JO - Physical review letters

JF - Physical review letters

IS - 21

ER -

Observation of e+e-<ds±<ds"< at s=4.14 gev

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