Abstract
Using a sample of 4.7 fb-1 integrated luminosity accumulated with the CLEO II detector at the Cornell Electron Storage Ring (CESR), we investigate the mass spectrum and resonant structure in τ- →Κ-π+π-ντ decays. We measure the relative fractions of Κ1(1270) and Κ1(1400) resonances in these decays, as well as the Κ1 masses and widths. Our fitted Κ1 resonances are somewhat broader than previous hadroproduction measurements, and in agreement with recent CERN LEP results from tau decay. The larger central value of our measured width supports models which attribute the small τ-→Κ-π+π -ντ branching fraction to larger Κ1 widths than are presently tabulated. We also determine the Κa-Κb mixing angle θΚ.
| Original language | English (US) |
|---|---|
| Article number | 072006 |
| Pages (from-to) | 1-11 |
| Number of pages | 11 |
| Journal | Physical Review D - Particles, Fields, Gravitation and Cosmology |
| Volume | 62 |
| Issue number | 7 |
| State | Published - Oct 1 2000 |
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Resonance structure of τ-→Κ-π+π -ντ decays. / Asner, D. M.; Eppich, A.; Gronberg, J.; Hill, T. S.; Lange, D. J.; Morrison, R. J.; Briere, R. A.; Behrens, B. H.; Ford, W. T.; Gritsan, A.; Roy, J.; Smith, J. G.; Alexander, J. P.; Baker, R.; Bebek, C.; Berger, B. E.; Berkelman, K.; Blanc, F.; Boisvert, V.; Cassel, D. G.; Dickson, M.; Drell, P. S.; Ecklund, K. M.; Ehrlich, R.; Foland, A. D.; Gaidarev, P.; Galik, R. S.; Gibbons, L.; Gittelman, B.; Gray, S. W.; Hartill, D. L.; Heltsley, B. K.; Hopman, P. I.; Jones, C. D.; Kreinick, D. L.; Lohner, M.; Magerkurth, A.; Meyer, T. O.; Mistry, N. B.; Ng, C. R.; Nordberg, E.; Patterson, J. R.; Peterson, D.; Riley, D.; Thayer, J. G.; Thies, P. G.; Valant-Spaight, B.; Warburton, A.; Avery, P.; Prescott, C.; Rubiera, A. I.; Yelton, J.; Zheng, J.; Brandenburg, G.; Ershov, A.; Gao, Y. S.; Kim, D. Y J; Wilson, R.; Browder, T. E.; Li, Y.; Rodriguez, J. L.; Yamamoto, H.; Bergfeld, T.; Eisenstein, B. I.; Ernst, J.; Gladding, G. E.; Gollin, G. D.; Hans, R. M.; Johnson, E.; Karliner, I.; Marsh, M. A.; Palmer, M.; Plager, C.; Sedlack, C.; Selen, M.; Thaler, J. J.; Williams, J.; Edwards, K. W.; Janicek, R.; Patel, P. M.; Sadoff, A. J.; Ammar, R.; Bean, A.; Besson, D.; Davis, R.; Kravchenko, I.; Kwak, N.; Zhao, X.; Anderson, S.; Frolov, V. V.; Kubota, Y.; Lee, S. J.; Mahapatra, R.; O'Neill, J. J.; Poling, R.; Riehle, T.; Smith, A.; Urheim, J.; Ahmed, S.; Alam, M. S.; Athar, S. B.; Jian, L.; Ling, L.; Mahmood, A. H.; Saleem, M.; Timm, S.; Wappler, F.; Anastassov, A.; Duboscq, J. E.; Gan, K. K.; Gwon, C.; Hart, T.; Honscheid, K.; Hufnagel, D.; Kagan, H.; Kass, R.; Pedlar, T. K.; Schwarthoff, H.; Thayer, J. B.; Von Toerne, E.; Zoeller, M. M.; Richichi, S. J.; Severini, H.; Skubic, P.; Undrus, A.; Chen, S.; Fast, J.; Hinson, J. W.; Lee, J.; Menon, N.; Miller, D. H.; Shibata, E. I.; Shipsey, I. P J; Pavlunin, V.; Cronin-Hennessy, D.; Kwon, Y.; Lyon, A. L.; Thorndike, E. H.; Jessop, C. P.; Marsiske, H.; Perl, M. L.; Savinov, V.; Ugolini, D.; Zhou, X.; Coan, T. E.; Fadeyev, V.; Maravin, Y.; Narsky, I.; Stroynovvski, R.; Wlodek, T.; Artuso, M.; Ayad, R.; Boulahouache, C.; Bukin, K.; Dambasuren, E.; Karamov, S.; Kopp, S.; Majumder, G.; Moneti, G. C.; Mountain, R.; Schuh, S.; Skwarnicki, T.; Stone, S.; Viehhauser, G.; Wang, J. C.; Wolf, A.; Wu, J.; Csorna, S. E.; Danko, I.; McLean, K. W.; Márka, Sz; Xu, Z.; Godang, R.; Kinoshita, K.; Lai, I. C.; Schrenk, S.; Bonvicini, G.; Cinabro, D.; Perera, L. P.; Zhou, G. J.; Eigen, G.; Lipeles, E.; Schmidtler, M.; Shapiro, A.; Sun, W. M.; Weinstein, A. J.; Würthwein, F.; Jaffe, D. E.; Masek, G.; Paar, H. P.; Potter, E. M.; Prell, S.; Sharma, V.
In: Physical Review D - Particles, Fields, Gravitation and Cosmology, Vol. 62, No. 7, 072006, 01.10.2000, p. 1-11.Research output: Contribution to journal › Article › peer-review
}
TY - JOUR
T1 - Resonance structure of τ-→Κ-π+π -ντ decays
AU - Asner, D. M.
AU - Eppich, A.
AU - Gronberg, J.
AU - Hill, T. S.
AU - Lange, D. J.
AU - Morrison, R. J.
AU - Briere, R. A.
AU - Behrens, B. H.
AU - Ford, W. T.
AU - Gritsan, A.
AU - Roy, J.
AU - Smith, J. G.
AU - Alexander, J. P.
AU - Baker, R.
AU - Bebek, C.
AU - Berger, B. E.
AU - Berkelman, K.
AU - Blanc, F.
AU - Boisvert, V.
AU - Cassel, D. G.
AU - Dickson, M.
AU - Drell, P. S.
AU - Ecklund, K. M.
AU - Ehrlich, R.
AU - Foland, A. D.
AU - Gaidarev, P.
AU - Galik, R. S.
AU - Gibbons, L.
AU - Gittelman, B.
AU - Gray, S. W.
AU - Hartill, D. L.
AU - Heltsley, B. K.
AU - Hopman, P. I.
AU - Jones, C. D.
AU - Kreinick, D. L.
AU - Lohner, M.
AU - Magerkurth, A.
AU - Meyer, T. O.
AU - Mistry, N. B.
AU - Ng, C. R.
AU - Nordberg, E.
AU - Patterson, J. R.
AU - Peterson, D.
AU - Riley, D.
AU - Thayer, J. G.
AU - Thies, P. G.
AU - Valant-Spaight, B.
AU - Warburton, A.
AU - Avery, P.
AU - Prescott, C.
AU - Rubiera, A. I.
AU - Yelton, J.
AU - Zheng, J.
AU - Brandenburg, G.
AU - Ershov, A.
AU - Gao, Y. S.
AU - Kim, D. Y J
AU - Wilson, R.
AU - Browder, T. E.
AU - Li, Y.
AU - Rodriguez, J. L.
AU - Yamamoto, H.
AU - Bergfeld, T.
AU - Eisenstein, B. I.
AU - Ernst, J.
AU - Gladding, G. E.
AU - Gollin, G. D.
AU - Hans, R. M.
AU - Johnson, E.
AU - Karliner, I.
AU - Marsh, M. A.
AU - Palmer, M.
AU - Plager, C.
AU - Sedlack, C.
AU - Selen, M.
AU - Thaler, J. J.
AU - Williams, J.
AU - Edwards, K. W.
AU - Janicek, R.
AU - Patel, P. M.
AU - Sadoff, A. J.
AU - Ammar, R.
AU - Bean, A.
AU - Besson, D.
AU - Davis, R.
AU - Kravchenko, I.
AU - Kwak, N.
AU - Zhao, X.
AU - Anderson, S.
AU - Frolov, V. V.
AU - Kubota, Y.
AU - Lee, S. J.
AU - Mahapatra, R.
AU - O'Neill, J. J.
AU - Poling, R.
AU - Riehle, T.
AU - Smith, A.
AU - Urheim, J.
AU - Ahmed, S.
AU - Alam, M. S.
AU - Athar, S. B.
AU - Jian, L.
AU - Ling, L.
AU - Mahmood, A. H.
AU - Saleem, M.
AU - Timm, S.
AU - Wappler, F.
AU - Anastassov, A.
AU - Duboscq, J. E.
AU - Gan, K. K.
AU - Gwon, C.
AU - Hart, T.
AU - Honscheid, K.
AU - Hufnagel, D.
AU - Kagan, H.
AU - Kass, R.
AU - Pedlar, T. K.
AU - Schwarthoff, H.
AU - Thayer, J. B.
AU - Von Toerne, E.
AU - Zoeller, M. M.
AU - Richichi, S. J.
AU - Severini, H.
AU - Skubic, P.
AU - Undrus, A.
AU - Chen, S.
AU - Fast, J.
AU - Hinson, J. W.
AU - Lee, J.
AU - Menon, N.
AU - Miller, D. H.
AU - Shibata, E. I.
AU - Shipsey, I. P J
AU - Pavlunin, V.
AU - Cronin-Hennessy, D.
AU - Kwon, Y.
AU - Lyon, A. L.
AU - Thorndike, E. H.
AU - Jessop, C. P.
AU - Marsiske, H.
AU - Perl, M. L.
AU - Savinov, V.
AU - Ugolini, D.
AU - Zhou, X.
AU - Coan, T. E.
AU - Fadeyev, V.
AU - Maravin, Y.
AU - Narsky, I.
AU - Stroynovvski, R.
AU - Wlodek, T.
AU - Artuso, M.
AU - Ayad, R.
AU - Boulahouache, C.
AU - Bukin, K.
AU - Dambasuren, E.
AU - Karamov, S.
AU - Kopp, S.
AU - Majumder, G.
AU - Moneti, G. C.
AU - Mountain, R.
AU - Schuh, S.
AU - Skwarnicki, T.
AU - Stone, S.
AU - Viehhauser, G.
AU - Wang, J. C.
AU - Wolf, A.
AU - Wu, J.
AU - Csorna, S. E.
AU - Danko, I.
AU - McLean, K. W.
AU - Márka, Sz
AU - Xu, Z.
AU - Godang, R.
AU - Kinoshita, K.
AU - Lai, I. C.
AU - Schrenk, S.
AU - Bonvicini, G.
AU - Cinabro, D.
AU - Perera, L. P.
AU - Zhou, G. J.
AU - Eigen, G.
AU - Lipeles, E.
AU - Schmidtler, M.
AU - Shapiro, A.
AU - Sun, W. M.
AU - Weinstein, A. J.
AU - Würthwein, F.
AU - Jaffe, D. E.
AU - Masek, G.
AU - Paar, H. P.
AU - Potter, E. M.
AU - Prell, S.
AU - Sharma, V.
N1 - Copyright: Copyright 2007 Elsevier B.V., All rights reserved.
PY - 2000/10/1
Y1 - 2000/10/1
N2 - Using a sample of 4.7 fb-1 integrated luminosity accumulated with the CLEO II detector at the Cornell Electron Storage Ring (CESR), we investigate the mass spectrum and resonant structure in τ- →Κ-π+π-ντ decays. We measure the relative fractions of Κ1(1270) and Κ1(1400) resonances in these decays, as well as the Κ1 masses and widths. Our fitted Κ1 resonances are somewhat broader than previous hadroproduction measurements, and in agreement with recent CERN LEP results from tau decay. The larger central value of our measured width supports models which attribute the small τ-→Κ-π+π -ντ branching fraction to larger Κ1 widths than are presently tabulated. We also determine the Κa-Κb mixing angle θΚ.
AB - Using a sample of 4.7 fb-1 integrated luminosity accumulated with the CLEO II detector at the Cornell Electron Storage Ring (CESR), we investigate the mass spectrum and resonant structure in τ- →Κ-π+π-ντ decays. We measure the relative fractions of Κ1(1270) and Κ1(1400) resonances in these decays, as well as the Κ1 masses and widths. Our fitted Κ1 resonances are somewhat broader than previous hadroproduction measurements, and in agreement with recent CERN LEP results from tau decay. The larger central value of our measured width supports models which attribute the small τ-→Κ-π+π -ντ branching fraction to larger Κ1 widths than are presently tabulated. We also determine the Κa-Κb mixing angle θΚ.
UR - http://www.scopus.com/inward/record.url?scp=17944381403&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=17944381403&partnerID=8YFLogxK
M3 - Article
AN - SCOPUS:17944381403
VL - 62
SP - 1
EP - 11
JO - Physical review D: Particles and fields
JF - Physical review D: Particles and fields
SN - 1550-7998
IS - 7
M1 - 072006
ER -