First observation of the decay τ- K -ηντ

J. Bartelt, S. E. Csorna, V. Jain, S. Marka, A. Freyberger, D. Gibaut, K. Kinoshita, P. Pomianowski, S. Schrenk, D. Cinabro, B. Barish, M. Chadha, S. Chan, G. Eigen, J. S. Miller, C. O'Grady, M. Schmidtler, J. Urheim, A. J. Weinstein, F. WürthweinD. M. Asner, Daniel Bliss, D. W. Bliss, W. S. Brower, G. Masek, H. P. Paar, J. Gronberg, C. M. Korte, R. Kutschke, S. Menary, R. J. Morrison, S. Nakanishi, H. N. Nelson, T. K. Nelson, C. Qiao, J. D. Richman, D. Roberts, A. Ryd, H. Tajima, M. S. Witherell, R. Balest, K. Cho, W. T. Ford, M. Lohner, H. Park, P. Rankin, J. Roy, J. G. Smith, J. P. Alexander, C. Bebek, B. E. Berger, K. Berkelman, K. Bloom, D. G. Cassel, H. A. Cho, D. M. Coffman, D. S. Crowcroft, M. Dickson, P. S. Drell, D. J. Dumas, R. Ehrlich, R. Elia, P. Gaidarev, R. S. Galik, B. Gittelman, S. W. Gray, D. L. Hartill, B. K. Heltsley, C. D. Jones, S. L. Jones, J. Kandaswamy, N. Katayama, P. C. Kim, D. L. Kreinick, T. Lee, Y. Liu, G. S. Ludwig, J. Masui, J. Mevissen, N. B. Mistry, C. R. Ng, E. Nordberg, J. R. Patterson, D. Peterson, D. Riley, A. Soffer, C. Ward, P. Avery, C. Prescott, S. Yang, J. Yelton, G. Brandenburg, R. A. Briere, T. Liu, M. Saulnier, R. Wilson, H. Yamamoto, T. E. Browder, F. Li, J. L. Rodriguez, T. Bergfeld, B. I. Eisenstein, J. Ernst, G. E. Gladding, G. D. Gollin, M. Palmer, M. Selen, J. J. Thaler, K. W. Edwards, K. W. McLean, M. Ogg, A. Bellerive, D. I. Britton, R. Janicek, D. B. MacFarlane, P. M. Patel, B. Spaan, A. J. Sadoff, R. Ammar, P. Baringer, A. Bean, D. Besson, D. Coppage, N. Copty, R. Davis, N. Hancock, S. Kotov, I. Kravchenko, N. Kwak, S. Anderson, Y. Kubota, M. Lattery, J. K. Nelson, S. Patton, R. Poling, T. Riehle, V. Savinov, M. S. Alam, I. J. Kim, Z. Ling, A. H. Mahmood, J. J. O'Neill, H. Severini, C. R. Sun, S. Timm, F. Wappler, J. E. Duboscq, R. Fulton, D. Fujino, K. K. Gan, K. Honscheid, H. Kagan, R. Kass, J. Lee, M. Sung, A. Undrus, C. White, R. Wanke, A. Wolf, M. M. Zoeller, X. Fu, B. Nemati, S. J. Richichi, W. R. Ross, P. Skubic, M. Wood, M. Bishai, J. Fast, E. Gerndt, J. W. Hinson, T. Miao, D. H. Miller, M. Modesitt, E. I. Shibata, I. P J Shipsey, P. N. Wang, M. Yurko, L. Gibbons, S. D. Johnson, Y. Kwon, S. Roberts, E. H. Thorndike, C. P. Jessop, K. Lingel, H. Marsiske, M. L. Perl, S. F. Schaffner, R. Wang, T. E. Coan, J. Dominick, V. Fadeyev, I. Korolkov, M. Lambrecht, S. Sanghera, V. Shelkov, R. Stroynowski, I. Volobouev, G. Wei, M. Artuso, A. Efimov, M. Gao, M. Goldberg, R. Greene, D. He, N. Horwitz, S. Kopp, G. C. Moneti, R. Mountain, Y. Mukhin, S. Playfer, T. Skwarnicki, S. Stone, X. Xing

Research output: Contribution to journalArticle

51 Citations (Scopus)

Abstract

The decay τ- → K- ηντ has been observed with the CLEO II detector. The η meson is reconstructed using two decay channels, η → γγ and π+π-π0. The measured branching fraction is B(τ- → K- ηντ) = (2.6 ± 0.5 ± 0.4) × 10-4, somewhat higher than theoretical estimates. An improved upper limit for the second-class-current decay τ- → π- ηντ is set, (Bτ- → π- ηντ) < 1.4 × 10-4 at 95% C.L., consistent with theoretical expectations.

Original languageEnglish (US)
Pages (from-to)4119-4123
Number of pages5
JournalPhysical Review Letters
Volume76
Issue number22
StatePublished - May 27 1996
Externally publishedYes

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decay
mesons
detectors
estimates

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Bartelt, J., Csorna, S. E., Jain, V., Marka, S., Freyberger, A., Gibaut, D., ... Xing, X. (1996). First observation of the decay τ- K -ηντ Physical Review Letters, 76(22), 4119-4123.

First observation of the decay τ- K -ηντ . / Bartelt, J.; Csorna, S. E.; Jain, V.; Marka, S.; Freyberger, A.; Gibaut, D.; Kinoshita, K.; Pomianowski, P.; Schrenk, S.; Cinabro, D.; Barish, B.; Chadha, M.; Chan, S.; Eigen, G.; Miller, J. S.; O'Grady, C.; Schmidtler, M.; Urheim, J.; Weinstein, A. J.; Würthwein, F.; Asner, D. M.; Bliss, Daniel; Bliss, D. W.; Brower, W. S.; Masek, G.; Paar, H. P.; Gronberg, J.; Korte, C. M.; Kutschke, R.; Menary, S.; Morrison, R. J.; Nakanishi, S.; Nelson, H. N.; Nelson, T. K.; Qiao, C.; Richman, J. D.; Roberts, D.; Ryd, A.; Tajima, H.; Witherell, M. S.; Balest, R.; Cho, K.; Ford, W. T.; Lohner, M.; Park, H.; Rankin, P.; Roy, J.; Smith, J. G.; Alexander, J. P.; Bebek, C.; Berger, B. E.; Berkelman, K.; Bloom, K.; Cassel, D. G.; Cho, H. A.; Coffman, D. M.; Crowcroft, D. S.; Dickson, M.; Drell, P. S.; Dumas, D. J.; Ehrlich, R.; Elia, R.; Gaidarev, P.; Galik, R. S.; Gittelman, B.; Gray, S. W.; Hartill, D. L.; Heltsley, B. K.; Jones, C. D.; Jones, S. L.; Kandaswamy, J.; Katayama, N.; Kim, P. C.; Kreinick, D. L.; Lee, T.; Liu, Y.; Ludwig, G. S.; Masui, J.; Mevissen, J.; Mistry, N. B.; Ng, C. R.; Nordberg, E.; Patterson, J. R.; Peterson, D.; Riley, D.; Soffer, A.; Ward, C.; Avery, P.; Prescott, C.; Yang, S.; Yelton, J.; Brandenburg, G.; Briere, R. A.; Liu, T.; Saulnier, M.; Wilson, R.; Yamamoto, H.; Browder, T. E.; Li, F.; Rodriguez, J. L.; Bergfeld, T.; Eisenstein, B. I.; Ernst, J.; Gladding, G. E.; Gollin, G. D.; Palmer, M.; Selen, M.; Thaler, J. J.; Edwards, K. W.; McLean, K. W.; Ogg, M.; Bellerive, A.; Britton, D. I.; Janicek, R.; MacFarlane, D. B.; Patel, P. M.; Spaan, B.; Sadoff, A. J.; Ammar, R.; Baringer, P.; Bean, A.; Besson, D.; Coppage, D.; Copty, N.; Davis, R.; Hancock, N.; Kotov, S.; Kravchenko, I.; Kwak, N.; Anderson, S.; Kubota, Y.; Lattery, M.; Nelson, J. K.; Patton, S.; Poling, R.; Riehle, T.; Savinov, V.; Alam, M. S.; Kim, I. J.; Ling, Z.; Mahmood, A. H.; O'Neill, J. J.; Severini, H.; Sun, C. R.; Timm, S.; Wappler, F.; Duboscq, J. E.; Fulton, R.; Fujino, D.; Gan, K. K.; Honscheid, K.; Kagan, H.; Kass, R.; Lee, J.; Sung, M.; Undrus, A.; White, C.; Wanke, R.; Wolf, A.; Zoeller, M. M.; Fu, X.; Nemati, B.; Richichi, S. J.; Ross, W. R.; Skubic, P.; Wood, M.; Bishai, M.; Fast, J.; Gerndt, E.; Hinson, J. W.; Miao, T.; Miller, D. H.; Modesitt, M.; Shibata, E. I.; Shipsey, I. P J; Wang, P. N.; Yurko, M.; Gibbons, L.; Johnson, S. D.; Kwon, Y.; Roberts, S.; Thorndike, E. H.; Jessop, C. P.; Lingel, K.; Marsiske, H.; Perl, M. L.; Schaffner, S. F.; Wang, R.; Coan, T. E.; Dominick, J.; Fadeyev, V.; Korolkov, I.; Lambrecht, M.; Sanghera, S.; Shelkov, V.; Stroynowski, R.; Volobouev, I.; Wei, G.; Artuso, M.; Efimov, A.; Gao, M.; Goldberg, M.; Greene, R.; He, D.; Horwitz, N.; Kopp, S.; Moneti, G. C.; Mountain, R.; Mukhin, Y.; Playfer, S.; Skwarnicki, T.; Stone, S.; Xing, X.

In: Physical Review Letters, Vol. 76, No. 22, 27.05.1996, p. 4119-4123.

Research output: Contribution to journalArticle

Bartelt, J, Csorna, SE, Jain, V, Marka, S, Freyberger, A, Gibaut, D, Kinoshita, K, Pomianowski, P, Schrenk, S, Cinabro, D, Barish, B, Chadha, M, Chan, S, Eigen, G, Miller, JS, O'Grady, C, Schmidtler, M, Urheim, J, Weinstein, AJ, Würthwein, F, Asner, DM, Bliss, D, Bliss, DW, Brower, WS, Masek, G, Paar, HP, Gronberg, J, Korte, CM, Kutschke, R, Menary, S, Morrison, RJ, Nakanishi, S, Nelson, HN, Nelson, TK, Qiao, C, Richman, JD, Roberts, D, Ryd, A, Tajima, H, Witherell, MS, Balest, R, Cho, K, Ford, WT, Lohner, M, Park, H, Rankin, P, Roy, J, Smith, JG, Alexander, JP, Bebek, C, Berger, BE, Berkelman, K, Bloom, K, Cassel, DG, Cho, HA, Coffman, DM, Crowcroft, DS, Dickson, M, Drell, PS, Dumas, DJ, Ehrlich, R, Elia, R, Gaidarev, P, Galik, RS, Gittelman, B, Gray, SW, Hartill, DL, Heltsley, BK, Jones, CD, Jones, SL, Kandaswamy, J, Katayama, N, Kim, PC, Kreinick, DL, Lee, T, Liu, Y, Ludwig, GS, Masui, J, Mevissen, J, Mistry, NB, Ng, CR, Nordberg, E, Patterson, JR, Peterson, D, Riley, D, Soffer, A, Ward, C, Avery, P, Prescott, C, Yang, S, Yelton, J, Brandenburg, G, Briere, RA, Liu, T, Saulnier, M, Wilson, R, Yamamoto, H, Browder, TE, Li, F, Rodriguez, JL, Bergfeld, T, Eisenstein, BI, Ernst, J, Gladding, GE, Gollin, GD, Palmer, M, Selen, M, Thaler, JJ, Edwards, KW, McLean, KW, Ogg, M, Bellerive, A, Britton, DI, Janicek, R, MacFarlane, DB, Patel, PM, Spaan, B, Sadoff, AJ, Ammar, R, Baringer, P, Bean, A, Besson, D, Coppage, D, Copty, N, Davis, R, Hancock, N, Kotov, S, Kravchenko, I, Kwak, N, Anderson, S, Kubota, Y, Lattery, M, Nelson, JK, Patton, S, Poling, R, Riehle, T, Savinov, V, Alam, MS, Kim, IJ, Ling, Z, Mahmood, AH, O'Neill, JJ, Severini, H, Sun, CR, Timm, S, Wappler, F, Duboscq, JE, Fulton, R, Fujino, D, Gan, KK, Honscheid, K, Kagan, H, Kass, R, Lee, J, Sung, M, Undrus, A, White, C, Wanke, R, Wolf, A, Zoeller, MM, Fu, X, Nemati, B, Richichi, SJ, Ross, WR, Skubic, P, Wood, M, Bishai, M, Fast, J, Gerndt, E, Hinson, JW, Miao, T, Miller, DH, Modesitt, M, Shibata, EI, Shipsey, IPJ, Wang, PN, Yurko, M, Gibbons, L, Johnson, SD, Kwon, Y, Roberts, S, Thorndike, EH, Jessop, CP, Lingel, K, Marsiske, H, Perl, ML, Schaffner, SF, Wang, R, Coan, TE, Dominick, J, Fadeyev, V, Korolkov, I, Lambrecht, M, Sanghera, S, Shelkov, V, Stroynowski, R, Volobouev, I, Wei, G, Artuso, M, Efimov, A, Gao, M, Goldberg, M, Greene, R, He, D, Horwitz, N, Kopp, S, Moneti, GC, Mountain, R, Mukhin, Y, Playfer, S, Skwarnicki, T, Stone, S & Xing, X 1996, 'First observation of the decay τ- K -ηντ ', Physical Review Letters, vol. 76, no. 22, pp. 4119-4123.
Bartelt J, Csorna SE, Jain V, Marka S, Freyberger A, Gibaut D et al. First observation of the decay τ- K -ηντ Physical Review Letters. 1996 May 27;76(22):4119-4123.
Bartelt, J. ; Csorna, S. E. ; Jain, V. ; Marka, S. ; Freyberger, A. ; Gibaut, D. ; Kinoshita, K. ; Pomianowski, P. ; Schrenk, S. ; Cinabro, D. ; Barish, B. ; Chadha, M. ; Chan, S. ; Eigen, G. ; Miller, J. S. ; O'Grady, C. ; Schmidtler, M. ; Urheim, J. ; Weinstein, A. J. ; Würthwein, F. ; Asner, D. M. ; Bliss, Daniel ; Bliss, D. W. ; Brower, W. S. ; Masek, G. ; Paar, H. P. ; Gronberg, J. ; Korte, C. M. ; Kutschke, R. ; Menary, S. ; Morrison, R. J. ; Nakanishi, S. ; Nelson, H. N. ; Nelson, T. K. ; Qiao, C. ; Richman, J. D. ; Roberts, D. ; Ryd, A. ; Tajima, H. ; Witherell, M. S. ; Balest, R. ; Cho, K. ; Ford, W. T. ; Lohner, M. ; Park, H. ; Rankin, P. ; Roy, J. ; Smith, J. G. ; Alexander, J. P. ; Bebek, C. ; Berger, B. E. ; Berkelman, K. ; Bloom, K. ; Cassel, D. G. ; Cho, H. A. ; Coffman, D. M. ; Crowcroft, D. S. ; Dickson, M. ; Drell, P. S. ; Dumas, D. J. ; Ehrlich, R. ; Elia, R. ; Gaidarev, P. ; Galik, R. S. ; Gittelman, B. ; Gray, S. W. ; Hartill, D. L. ; Heltsley, B. K. ; Jones, C. D. ; Jones, S. L. ; Kandaswamy, J. ; Katayama, N. ; Kim, P. C. ; Kreinick, D. L. ; Lee, T. ; Liu, Y. ; Ludwig, G. S. ; Masui, J. ; Mevissen, J. ; Mistry, N. B. ; Ng, C. R. ; Nordberg, E. ; Patterson, J. R. ; Peterson, D. ; Riley, D. ; Soffer, A. ; Ward, C. ; Avery, P. ; Prescott, C. ; Yang, S. ; Yelton, J. ; Brandenburg, G. ; Briere, R. A. ; Liu, T. ; Saulnier, M. ; Wilson, R. ; Yamamoto, H. ; Browder, T. E. ; Li, F. ; Rodriguez, J. L. ; Bergfeld, T. ; Eisenstein, B. I. ; Ernst, J. ; Gladding, G. E. ; Gollin, G. D. ; Palmer, M. ; Selen, M. ; Thaler, J. J. ; Edwards, K. W. ; McLean, K. W. ; Ogg, M. ; Bellerive, A. ; Britton, D. I. ; Janicek, R. ; MacFarlane, D. B. ; Patel, P. M. ; Spaan, B. ; Sadoff, A. J. ; Ammar, R. ; Baringer, P. ; Bean, A. ; Besson, D. ; Coppage, D. ; Copty, N. ; Davis, R. ; Hancock, N. ; Kotov, S. ; Kravchenko, I. ; Kwak, N. ; Anderson, S. ; Kubota, Y. ; Lattery, M. ; Nelson, J. K. ; Patton, S. ; Poling, R. ; Riehle, T. ; Savinov, V. ; Alam, M. S. ; Kim, I. J. ; Ling, Z. ; Mahmood, A. H. ; O'Neill, J. J. ; Severini, H. ; Sun, C. R. ; Timm, S. ; Wappler, F. ; Duboscq, J. E. ; Fulton, R. ; Fujino, D. ; Gan, K. K. ; Honscheid, K. ; Kagan, H. ; Kass, R. ; Lee, J. ; Sung, M. ; Undrus, A. ; White, C. ; Wanke, R. ; Wolf, A. ; Zoeller, M. M. ; Fu, X. ; Nemati, B. ; Richichi, S. J. ; Ross, W. R. ; Skubic, P. ; Wood, M. ; Bishai, M. ; Fast, J. ; Gerndt, E. ; Hinson, J. W. ; Miao, T. ; Miller, D. H. ; Modesitt, M. ; Shibata, E. I. ; Shipsey, I. P J ; Wang, P. N. ; Yurko, M. ; Gibbons, L. ; Johnson, S. D. ; Kwon, Y. ; Roberts, S. ; Thorndike, E. H. ; Jessop, C. P. ; Lingel, K. ; Marsiske, H. ; Perl, M. L. ; Schaffner, S. F. ; Wang, R. ; Coan, T. E. ; Dominick, J. ; Fadeyev, V. ; Korolkov, I. ; Lambrecht, M. ; Sanghera, S. ; Shelkov, V. ; Stroynowski, R. ; Volobouev, I. ; Wei, G. ; Artuso, M. ; Efimov, A. ; Gao, M. ; Goldberg, M. ; Greene, R. ; He, D. ; Horwitz, N. ; Kopp, S. ; Moneti, G. C. ; Mountain, R. ; Mukhin, Y. ; Playfer, S. ; Skwarnicki, T. ; Stone, S. ; Xing, X. / First observation of the decay τ- K -ηντ In: Physical Review Letters. 1996 ; Vol. 76, No. 22. pp. 4119-4123.
@article{205a48b385ce45d2a0f2147c58d00e2d,
title = "First observation of the decay τ- K -ηντ",
abstract = "The decay τ- → K- ηντ has been observed with the CLEO II detector. The η meson is reconstructed using two decay channels, η → γγ and π+π-π0. The measured branching fraction is B(τ- → K- ηντ) = (2.6 ± 0.5 ± 0.4) × 10-4, somewhat higher than theoretical estimates. An improved upper limit for the second-class-current decay τ- → π- ηντ is set, (Bτ- → π- ηντ) < 1.4 × 10-4 at 95{\%} C.L., consistent with theoretical expectations.",
author = "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.} and C. O'Grady and M. Schmidtler and J. Urheim and Weinstein, {A. J.} and F. W{\"u}rthwein and Asner, {D. M.} and Daniel Bliss and Bliss, {D. W.} and Brower, {W. S.} and G. Masek and Paar, {H. P.} and J. Gronberg and Korte, {C. M.} and R. Kutschke and S. Menary and Morrison, {R. J.} and S. Nakanishi and Nelson, {H. N.} and Nelson, {T. K.} and C. Qiao and Richman, {J. D.} and D. Roberts and A. Ryd and H. Tajima and Witherell, {M. S.} and R. Balest and K. Cho and Ford, {W. T.} and M. Lohner and H. Park and P. Rankin and J. Roy and Smith, {J. G.} and Alexander, {J. P.} and C. Bebek and Berger, {B. E.} and K. Berkelman and K. Bloom and Cassel, {D. G.} and Cho, {H. A.} and Coffman, {D. M.} and Crowcroft, {D. S.} and M. Dickson and Drell, {P. S.} and Dumas, {D. J.} and R. Ehrlich and R. Elia and P. Gaidarev and Galik, {R. S.} and B. Gittelman and Gray, {S. W.} and Hartill, {D. L.} and Heltsley, {B. K.} and Jones, {C. D.} and Jones, {S. L.} and J. Kandaswamy and N. Katayama and Kim, {P. C.} and Kreinick, {D. L.} and T. Lee and Y. Liu and Ludwig, {G. S.} and J. Masui and J. Mevissen and Mistry, {N. B.} and Ng, {C. R.} and E. Nordberg and Patterson, {J. R.} and D. Peterson and D. Riley and A. Soffer and C. Ward and P. Avery and C. Prescott and S. Yang and J. Yelton and G. Brandenburg and Briere, {R. A.} and T. Liu and M. Saulnier and R. Wilson and H. Yamamoto and Browder, {T. E.} and F. Li and Rodriguez, {J. L.} and T. Bergfeld and Eisenstein, {B. I.} and J. Ernst and Gladding, {G. E.} and Gollin, {G. D.} and M. Palmer and M. Selen and Thaler, {J. J.} and Edwards, {K. W.} and McLean, {K. W.} and M. Ogg and A. Bellerive and Britton, {D. I.} and R. Janicek and MacFarlane, {D. B.} and Patel, {P. M.} and B. Spaan and Sadoff, {A. J.} and R. Ammar and P. Baringer and A. Bean and D. Besson and D. Coppage and N. Copty and R. Davis and N. Hancock and S. Kotov and I. Kravchenko and N. Kwak and S. Anderson and Y. Kubota and M. Lattery and Nelson, {J. K.} and S. Patton and R. Poling and T. Riehle and V. Savinov and Alam, {M. S.} and Kim, {I. J.} and Z. Ling and Mahmood, {A. H.} and O'Neill, {J. J.} and H. Severini and Sun, {C. R.} and S. Timm and F. Wappler and Duboscq, {J. E.} and R. Fulton and D. Fujino and Gan, {K. K.} and K. Honscheid and H. Kagan and R. Kass and J. Lee and M. Sung and A. Undrus and C. White and R. Wanke and A. Wolf and Zoeller, {M. M.} and X. Fu and B. Nemati and Richichi, {S. J.} and Ross, {W. R.} and P. Skubic and M. Wood and M. Bishai and J. Fast and E. Gerndt and Hinson, {J. W.} and T. Miao and Miller, {D. H.} and M. Modesitt and Shibata, {E. I.} and Shipsey, {I. P J} and Wang, {P. N.} and M. Yurko and L. Gibbons and Johnson, {S. D.} and Y. 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 R. Greene 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",
year = "1996",
month = "5",
day = "27",
language = "English (US)",
volume = "76",
pages = "4119--4123",
journal = "Physical Review Letters",
issn = "0031-9007",
publisher = "American Physical Society",
number = "22",

}

TY - JOUR

T1 - First observation of the decay τ- K -ηντ

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.

AU - O'Grady, C.

AU - Schmidtler, M.

AU - Urheim, J.

AU - Weinstein, A. J.

AU - Würthwein, F.

AU - Asner, D. M.

AU - Bliss, Daniel

AU - Bliss, D. W.

AU - Brower, W. S.

AU - Masek, G.

AU - Paar, H. P.

AU - Gronberg, J.

AU - Korte, C. M.

AU - Kutschke, R.

AU - Menary, S.

AU - Morrison, R. J.

AU - Nakanishi, S.

AU - Nelson, H. N.

AU - Nelson, T. K.

AU - Qiao, C.

AU - Richman, J. D.

AU - Roberts, D.

AU - Ryd, A.

AU - Tajima, H.

AU - Witherell, M. S.

AU - Balest, R.

AU - Cho, K.

AU - Ford, W. T.

AU - Lohner, M.

AU - Park, H.

AU - Rankin, P.

AU - Roy, J.

AU - Smith, J. G.

AU - Alexander, J. P.

AU - Bebek, C.

AU - Berger, B. E.

AU - Berkelman, K.

AU - Bloom, K.

AU - Cassel, D. G.

AU - Cho, H. A.

AU - Coffman, D. M.

AU - Crowcroft, D. S.

AU - Dickson, M.

AU - Drell, P. S.

AU - Dumas, D. J.

AU - Ehrlich, R.

AU - Elia, R.

AU - Gaidarev, P.

AU - Galik, R. S.

AU - Gittelman, B.

AU - Gray, S. W.

AU - Hartill, D. L.

AU - Heltsley, B. K.

AU - Jones, C. D.

AU - Jones, S. L.

AU - Kandaswamy, J.

AU - Katayama, N.

AU - Kim, P. C.

AU - Kreinick, D. L.

AU - Lee, T.

AU - Liu, Y.

AU - Ludwig, G. S.

AU - Masui, J.

AU - Mevissen, J.

AU - Mistry, N. B.

AU - Ng, C. R.

AU - Nordberg, E.

AU - Patterson, J. R.

AU - Peterson, D.

AU - Riley, D.

AU - Soffer, A.

AU - Ward, C.

AU - Avery, P.

AU - Prescott, C.

AU - Yang, S.

AU - Yelton, J.

AU - Brandenburg, G.

AU - Briere, R. A.

AU - Liu, T.

AU - Saulnier, M.

AU - Wilson, R.

AU - Yamamoto, H.

AU - Browder, T. E.

AU - Li, F.

AU - Rodriguez, J. L.

AU - Bergfeld, T.

AU - Eisenstein, B. I.

AU - Ernst, J.

AU - Gladding, G. E.

AU - Gollin, G. D.

AU - Palmer, M.

AU - Selen, M.

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PY - 1996/5/27

Y1 - 1996/5/27

N2 - The decay τ- → K- ηντ has been observed with the CLEO II detector. The η meson is reconstructed using two decay channels, η → γγ and π+π-π0. The measured branching fraction is B(τ- → K- ηντ) = (2.6 ± 0.5 ± 0.4) × 10-4, somewhat higher than theoretical estimates. An improved upper limit for the second-class-current decay τ- → π- ηντ is set, (Bτ- → π- ηντ) < 1.4 × 10-4 at 95% C.L., consistent with theoretical expectations.

AB - The decay τ- → K- ηντ has been observed with the CLEO II detector. The η meson is reconstructed using two decay channels, η → γγ and π+π-π0. The measured branching fraction is B(τ- → K- ηντ) = (2.6 ± 0.5 ± 0.4) × 10-4, somewhat higher than theoretical estimates. An improved upper limit for the second-class-current decay τ- → π- ηντ is set, (Bτ- → π- ηντ) < 1.4 × 10-4 at 95% C.L., consistent with theoretical expectations.

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M3 - Article

AN - SCOPUS:4243358999

VL - 76

SP - 4119

EP - 4123

JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

IS - 22

ER -