Charged d* production in e+e- annihilation at 29 GeV and a limit on D0-D»0 mixing

H. Yamamoto; W. B. Atwood; P. H. Baillon; B. C. Barish; G. R. Bonneaud; A. Courau; G. J. Donaldson; R. Dubois; M. M. Duro; E. E. Elsen; S. G. Gao; Y. Z. Huang; G. M. Irwin; R. Johnson; H. Kichimi; J. Kirkby; D. E. Klem; D. E. Koop; J. Ludwig; G. B. Mills; A. Ogawa; T. Pal; D. Perret-Gallix; R. Pitthan; D. L. Pollard; C. Y. Prescott; L. Z. Rivkin; L. S. Rochester; W. Ruckstuhl; M. Sakuda; S. Sherman; E. J. Siskind; R. Stroynowski; S. Q. Wang; S. G. Wojcicki; W. G. Yan; C. C. Young

doi:10.1103/PhysRevLett.54.522

Charged d* production in e+e- annihilation at 29 GeV and a limit on D0-D»0 mixing

H. Yamamoto, W. B. Atwood, P. H. Baillon, B. C. Barish, G. R. Bonneaud, A. Courau, G. J. Donaldson, R. Dubois, M. M. Duro, E. E. Elsen, S. G. Gao, Y. Z. Huang, G. M. Irwin, R. Johnson, H. Kichimi, J. Kirkby, D. E. Klem, D. E. Koop, J. Ludwig, G. B. MillsA. Ogawa, T. Pal, D. Perret-Gallix, R. Pitthan, D. L. Pollard, C. Y. Prescott, L. Z. Rivkin, L. S. Rochester, W. Ruckstuhl, M. Sakuda, S. Sherman, E. J. Siskind, R. Stroynowski, S. Q. Wang, S. G. Wojcicki, W. G. Yan, C. C. Young

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Abstract

We have studied inclusive D* production using the DELCO detector at PEP. Our technique involved kaon identification in the momentum range above 3.2 GeV/c using a threshold gas erenkov counter. This leads to a model-independent upper limit on D0-D»0 mixing of 8.1% (90% confidence level). We also have measured the charm fragmentation function, which peaks at xPD*(Ebeam2- MD*2)12 of 0.560.06(stat.), and the total cross section for D* production, (D*)=0.1400.021(stat.)0.032(syst.) nb (x>0.3, with radiative correction).

Original language	English
Pages (from-to)	522-525
Number of pages	4
Journal	Physical review letters
Volume	54
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevLett.54.522
Publication status	Published - 1985
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1103/PhysRevLett.54.522

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Yamamoto, H., Atwood, W. B., Baillon, P. H., Barish, B. C., Bonneaud, G. R., Courau, A., Donaldson, G. J., Dubois, R., Duro, M. M., Elsen, E. E., Gao, S. G., Huang, Y. Z., Irwin, G. M., Johnson, R., Kichimi, H., Kirkby, J., Klem, D. E., Koop, D. E., Ludwig, J., ... Young, C. C. (1985). Charged d* production in e+e- annihilation at 29 GeV and a limit on D0-D»0 mixing. Physical review letters, 54(6), 522-525. https://doi.org/10.1103/PhysRevLett.54.522

Yamamoto, H, Atwood, WB, Baillon, PH, Barish, BC, Bonneaud, GR, Courau, A, Donaldson, GJ, Dubois, R, Duro, MM, Elsen, EE, Gao, SG, Huang, YZ, Irwin, GM, Johnson, R, Kichimi, H, Kirkby, J, Klem, DE, Koop, DE, Ludwig, J, Mills, GB, Ogawa, A, Pal, T, Perret-Gallix, D, Pitthan, R, Pollard, DL, Prescott, CY, Rivkin, LZ, Rochester, LS, Ruckstuhl, W, Sakuda, M, Sherman, S, Siskind, EJ, Stroynowski, R, Wang, SQ, Wojcicki, SG, Yan, WG & Young, CC 1985, 'Charged d* production in e+e- annihilation at 29 GeV and a limit on D0-D»0 mixing', Physical review letters, vol. 54, no. 6, pp. 522-525. https://doi.org/10.1103/PhysRevLett.54.522

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title = "Charged d* production in e+e- annihilation at 29 GeV and a limit on D0-D»0 mixing",

abstract = "We have studied inclusive D* production using the DELCO detector at PEP. Our technique involved kaon identification in the momentum range above 3.2 GeV/c using a threshold gas erenkov counter. This leads to a model-independent upper limit on D0-D»0 mixing of 8.1% (90% confidence level). We also have measured the charm fragmentation function, which peaks at xPD*(Ebeam2- MD*2)12 of 0.560.06(stat.), and the total cross section for D* production, (D*)=0.1400.021(stat.)0.032(syst.) nb (x>0.3, with radiative correction).",

author = "H. Yamamoto and Atwood, {W. B.} and Baillon, {P. H.} and Barish, {B. C.} and Bonneaud, {G. R.} and A. Courau and Donaldson, {G. J.} and R. Dubois and Duro, {M. M.} and Elsen, {E. E.} and Gao, {S. G.} and Huang, {Y. Z.} and Irwin, {G. M.} and R. Johnson and H. Kichimi and J. Kirkby and Klem, {D. E.} and Koop, {D. E.} and J. Ludwig and Mills, {G. B.} and A. Ogawa and T. Pal and D. Perret-Gallix and R. Pitthan and Pollard, {D. L.} and Prescott, {C. Y.} and Rivkin, {L. Z.} and Rochester, {L. S.} and W. Ruckstuhl and M. Sakuda and S. Sherman and Siskind, {E. J.} and R. Stroynowski and Wang, {S. Q.} and Wojcicki, {S. G.} and Yan, {W. G.} and Young, {C. C.}",

year = "1985",

doi = "10.1103/PhysRevLett.54.522",

language = "English",

volume = "54",

pages = "522--525",

journal = "Physical Review Letters",

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T1 - Charged d* production in e+e- annihilation at 29 GeV and a limit on D0-D»0 mixing

AU - Yamamoto, H.

AU - Atwood, W. B.

AU - Baillon, P. H.

AU - Barish, B. C.

AU - Bonneaud, G. R.

AU - Courau, A.

AU - Donaldson, G. J.

AU - Dubois, R.

AU - Duro, M. M.

AU - Elsen, E. E.

AU - Gao, S. G.

AU - Huang, Y. Z.

AU - Irwin, G. M.

AU - Johnson, R.

AU - Kichimi, H.

AU - Kirkby, J.

AU - Klem, D. E.

AU - Koop, D. E.

AU - Ludwig, J.

AU - Mills, G. B.

AU - Ogawa, A.

AU - Pal, T.

AU - Perret-Gallix, D.

AU - Pitthan, R.

AU - Pollard, D. L.

AU - Prescott, C. Y.

AU - Rivkin, L. Z.

AU - Rochester, L. S.

AU - Ruckstuhl, W.

AU - Sakuda, M.

AU - Sherman, S.

AU - Siskind, E. J.

AU - Stroynowski, R.

AU - Wang, S. Q.

AU - Wojcicki, S. G.

AU - Yan, W. G.

AU - Young, C. C.

PY - 1985

Y1 - 1985

N2 - We have studied inclusive D* production using the DELCO detector at PEP. Our technique involved kaon identification in the momentum range above 3.2 GeV/c using a threshold gas erenkov counter. This leads to a model-independent upper limit on D0-D»0 mixing of 8.1% (90% confidence level). We also have measured the charm fragmentation function, which peaks at xPD*(Ebeam2- MD*2)12 of 0.560.06(stat.), and the total cross section for D* production, (D*)=0.1400.021(stat.)0.032(syst.) nb (x>0.3, with radiative correction).

AB - We have studied inclusive D* production using the DELCO detector at PEP. Our technique involved kaon identification in the momentum range above 3.2 GeV/c using a threshold gas erenkov counter. This leads to a model-independent upper limit on D0-D»0 mixing of 8.1% (90% confidence level). We also have measured the charm fragmentation function, which peaks at xPD*(Ebeam2- MD*2)12 of 0.560.06(stat.), and the total cross section for D* production, (D*)=0.1400.021(stat.)0.032(syst.) nb (x>0.3, with radiative correction).

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U2 - 10.1103/PhysRevLett.54.522

DO - 10.1103/PhysRevLett.54.522

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AN - SCOPUS:4243474776

SN - 0031-9007

VL - 54

SP - 522

EP - 525

JO - Physical Review Letters

JF - Physical Review Letters

IS - 6

ER -

Charged d* production in e+e- annihilation at 29 GeV and a limit on D0-D»0 mixing

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