Observation of B → ψπ decays

J. P. Alexander; C. Bebek; K. Berkelman; K. Bloom; T. E. Browder; D. G. Cassel; H. A. Cho; D. M. Coffman; D. S. Crowcroft; P. S. Drell; D. Dumas; R. Ehrlich; P. Gaidarev; M. Garcia-Sciveres; B. Geiser; B. Gittelman; S. W. Gray; D. L. Hartill; B. K. Heltsley; S. Henderson; C. D. Jones; S. L. Jones; J. Kandaswamy; N. Katayama; P. C. Kim; D. L. Kreinick; G. S. Ludwig; J. Masui; J. Mevissen; N. B. Mistry; C. R. Ng; E. Nordberg; J. R. Patterson; D. Peterson; D. Riley; S. Salman; M. Sapper; F. Würthwein; P. Avery; A. Freyberger; J. Rodriguez; S. Yang; J. Yelton; D. Cinabro; T. Liu; M. Saulnier; R. Wilson; H. Yamamoto; T. Bergfeld; B. I. Eisenstein; G. Gollin; B. Ong; M. Palmer; M. Selen; J. J. Thaler; K. W. Edwards; M. Ogg; A. Bellerive; D. I. Britton; E. R.F. Hyatt; 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; M. Kelly; S. Kotov; I. Kravchenko; N. Kwak; H. Lam; Y. Kubota; M. Lattery; M. Momayezi; J. K. Nelson; S. Patton; R. Poling; V. Savinov; S. Schrenk; R. Wang; M. S. Alam; I. J. Kim; Z. Ling; A. H. Mahmood; J. J. O'Neill; H. Severini; C. R. Sun; F. Wappler; G. Crawford; C. M. Daubenmier; R. Fulton; D. Fujino; K. K. Gan; K. Honscheid; H. Kagan; R. Kass; J. Lee; R. Malchow; Y. Skovpen; M. Sung; C. White; M. M. Zoeller; F. Butler; X. Fu; B. Nemati; W. R. Ross; P. Skubic; M. Wood; M. Bishai; J. Fast; E. Gerndt; R. L. McIlwain; T. Miao; D. H. Miller; M. Modesitt; D. Payne; E. I. Shibata; I. P.J. Shipsey; P. N. Wang; M. Battle; J. Ernst; L. Gibbons; Y. Kwon; S. Roberts; E. H. Thorndike; C. H. Wang; J. Dominick; M. Lambrecht; S. Sanghera; V. Shelkov; T. Skwarnicki; R. Stroynowski; I. Volobouev; G. Wei; P. Zadorozhny; M. Artuso; M. Gao; M. Goldberg; D. He; N. Horwitz; G. C. Moneti; R. Mountain; F. Muheim; Y. Mukhin; S. Playfer; Y. Rozen; Sheldon Stone; X. Xing; G. Zhu; J. Bartelt; S. E. Csorna; Z. Egyed; V. Jain; D. Gibaut; K. Kinoshita; P. Pomianowski; B. Barish; M. Chadha; S. Chan; D. F. Cowen; G. Eigen; J. S. Miller; C. O'Grady; J. Urheim; A. J. Weinstein; M. Athanas; W. Brower; G. Masek; H. P. Paar; J. Gronberg; R. Kutschke; S. Menary; R. J. Morrison; S. Nakanishi; H. N. Nelson; T. K. Nelson; C. Qiao; J. D. Richman; A. Ryd; H. Tajima; D. Sperka; M. S. Witherell; R. Balest; K. Cho; W. T. Ford; D. R. Johnson; K. Lingel; M. Lohner; P. Rankin; J. G. Smith

doi:10.1016/0370-2693(95)80026-T

Observation of B → ψπ decays

J. P. Alexander, C. Bebek, K. Berkelman, K. Bloom, T. E. Browder, D. G. Cassel, H. A. Cho, D. M. Coffman, D. S. Crowcroft, P. S. Drell, D. Dumas, R. Ehrlich, P. Gaidarev, M. Garcia-Sciveres, B. Geiser, B. Gittelman, S. W. Gray, D. L. Hartill, B. K. Heltsley, S. HendersonC. D. Jones, S. L. Jones, J. Kandaswamy, N. Katayama, P. C. Kim, D. L. Kreinick, G. S. Ludwig, J. Masui, J. Mevissen, N. B. Mistry, C. R. Ng, E. Nordberg, J. R. Patterson, D. Peterson, D. Riley, S. Salman, M. Sapper, F. Würthwein, P. Avery, A. Freyberger, J. Rodriguez, S. Yang, J. Yelton, D. Cinabro, T. Liu, M. Saulnier, R. Wilson, H. Yamamoto, T. Bergfeld, B. I. Eisenstein, G. Gollin, B. Ong, M. Palmer, M. Selen, J. J. Thaler, K. W. Edwards, M. Ogg, A. Bellerive, D. I. Britton, E. R.F. Hyatt, 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, M. Kelly, S. Kotov, I. Kravchenko, N. Kwak, H. Lam, Y. Kubota, M. Lattery, M. Momayezi, J. K. Nelson, S. Patton, R. Poling, V. Savinov, S. Schrenk, R. Wang, M. S. Alam, I. J. Kim, Z. Ling, A. H. Mahmood, J. J. O'Neill, H. Severini, C. R. Sun, F. Wappler, G. Crawford, C. M. Daubenmier, R. Fulton, D. Fujino, K. K. Gan, K. Honscheid, H. Kagan, R. Kass, J. Lee, R. Malchow, Y. Skovpen, M. Sung, C. White, M. M. Zoeller, F. Butler, X. Fu, B. Nemati, W. R. Ross, P. Skubic, M. Wood, M. Bishai, J. Fast, E. Gerndt, R. L. McIlwain, T. Miao, D. H. Miller, M. Modesitt, D. Payne, E. I. Shibata, I. P.J. Shipsey, P. N. Wang, M. Battle, J. Ernst, L. Gibbons, Y. Kwon, S. Roberts, E. H. Thorndike, C. H. Wang, J. Dominick, M. Lambrecht, S. Sanghera, V. Shelkov, T. Skwarnicki, R. Stroynowski, I. Volobouev, G. Wei, P. Zadorozhny, M. Artuso, M. Gao, M. Goldberg, D. He, N. Horwitz, G. C. Moneti, R. Mountain, F. Muheim, Y. Mukhin, S. Playfer, Y. Rozen, Sheldon Stone, X. Xing, G. Zhu, J. Bartelt, S. E. Csorna, Z. Egyed, V. Jain, D. Gibaut, K. Kinoshita, P. Pomianowski, B. Barish, M. Chadha, S. Chan, D. F. Cowen, G. Eigen, J. S. Miller, C. O'Grady, J. Urheim, A. J. Weinstein, M. Athanas, W. Brower, G. Masek, H. P. Paar, J. Gronberg, R. Kutschke, S. Menary, R. J. Morrison, S. Nakanishi, H. N. Nelson, T. K. Nelson, C. Qiao, J. D. Richman, A. Ryd, H. Tajima, D. Sperka, M. S. Witherell, R. Balest, K. Cho, W. T. Ford, D. R. Johnson, K. Lingel, M. Lohner, P. Rankin, J. G. Smith

Department of Physics

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

18 Scopus citations

Abstract

We have found the first evidence for the Cabibbo suppressed, color suppressed decay B^- → ψπ^- in a data sample of 4 million B decays obtained by the CLEO detector at the Cornell Electron Storage Ring (CESR). The branching ratio is found to be (4.3±2.3)% of the Cabibbo allowed B^- → ψK^- decay mode, which is consistent with theoretical expectations.

Original language	English (US)
Pages (from-to)	435-440
Number of pages	6
Journal	Physics Letters B
Volume	341
Issue number	3-4
DOIs	https://doi.org/10.1016/0370-2693(95)80026-T
State	Published - Jan 5 1995

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1016/0370-2693(95)80026-T

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Alexander, J. P., Bebek, C., Berkelman, K., Bloom, K., Browder, T. E., Cassel, D. G., Cho, H. A., Coffman, D. M., Crowcroft, D. S., Drell, P. S., Dumas, D., Ehrlich, R., Gaidarev, P., Garcia-Sciveres, M., Geiser, B., Gittelman, B., Gray, S. W., Hartill, D. L., Heltsley, B. K., ... Smith, J. G. (1995). Observation of B → ψπ decays. Physics Letters B, 341(3-4), 435-440. https://doi.org/10.1016/0370-2693(95)80026-T

Alexander, JP, Bebek, C, Berkelman, K, Bloom, K, Browder, TE, Cassel, DG, Cho, HA, Coffman, DM, Crowcroft, DS, Drell, PS, Dumas, D, Ehrlich, R, Gaidarev, P, Garcia-Sciveres, M, Geiser, B, Gittelman, B, Gray, SW, Hartill, DL, Heltsley, BK, Henderson, S, Jones, CD, Jones, SL, Kandaswamy, J, Katayama, N, Kim, PC, Kreinick, DL, Ludwig, GS, Masui, J, Mevissen, J, Mistry, NB, Ng, CR, Nordberg, E, Patterson, JR, Peterson, D, Riley, D, Salman, S, Sapper, M, Würthwein, F, Avery, P, Freyberger, A, Rodriguez, J, Yang, S, Yelton, J, Cinabro, D, Liu, T, Saulnier, M, Wilson, R, Yamamoto, H, Bergfeld, T, Eisenstein, BI, Gollin, G, Ong, B, Palmer, M, Selen, M, Thaler, JJ, Edwards, KW, Ogg, M, Bellerive, A, Britton, DI, Hyatt, ERF, MacFarlane, DB, Patel, PM, Spaan, B, Sadoff, AJ, Ammar, R, Baringer, P, Bean, A, Besson, D, Coppage, D, Copty, N, Davis, R, Hancock, N, Kelly, M, Kotov, S, Kravchenko, I, Kwak, N, Lam, H, Kubota, Y, Lattery, M, Momayezi, M, Nelson, JK, Patton, S, Poling, R, Savinov, V, Schrenk, S, Wang, R, Alam, MS, Kim, IJ, Ling, Z, Mahmood, AH, O'Neill, JJ, Severini, H, Sun, CR, Wappler, F, Crawford, G, Daubenmier, CM, Fulton, R, Fujino, D, Gan, KK, Honscheid, K, Kagan, H, Kass, R, Lee, J, Malchow, R, Skovpen, Y, Sung, M, White, C, Zoeller, MM, Butler, F, Fu, X, Nemati, B, Ross, WR, Skubic, P, Wood, M, Bishai, M, Fast, J, Gerndt, E, McIlwain, RL, Miao, T, Miller, DH, Modesitt, M, Payne, D, Shibata, EI, Shipsey, IPJ, Wang, PN, Battle, M, Ernst, J, Gibbons, L, Kwon, Y, Roberts, S, Thorndike, EH, Wang, CH, Dominick, J, Lambrecht, M, Sanghera, S, Shelkov, V, Skwarnicki, T, Stroynowski, R, Volobouev, I, Wei, G, Zadorozhny, P, Artuso, M, Gao, M, Goldberg, M, He, D, Horwitz, N, Moneti, GC, Mountain, R, Muheim, F, Mukhin, Y, Playfer, S, Rozen, Y, Stone, S, Xing, X, Zhu, G, Bartelt, J, Csorna, SE, Egyed, Z, Jain, V, Gibaut, D, Kinoshita, K, Pomianowski, P, Barish, B, Chadha, M, Chan, S, Cowen, DF, Eigen, G, Miller, JS, O'Grady, C, Urheim, J, Weinstein, AJ, Athanas, M, Brower, W, Masek, G, Paar, HP, Gronberg, J, Kutschke, R, Menary, S, Morrison, RJ, Nakanishi, S, Nelson, HN, Nelson, TK, Qiao, C, Richman, JD, Ryd, A, Tajima, H, Sperka, D, Witherell, MS, Balest, R, Cho, K, Ford, WT, Johnson, DR, Lingel, K, Lohner, M, Rankin, P & Smith, JG 1995, 'Observation of B → ψπ decays', Physics Letters B, vol. 341, no. 3-4, pp. 435-440. https://doi.org/10.1016/0370-2693(95)80026-T

@article{9bf1aa1d62774c81aafd3b8ee21cfc78,

title = "Observation of B → ψπ decays",

abstract = "We have found the first evidence for the Cabibbo suppressed, color suppressed decay B- → ψπ- in a data sample of 4 million B decays obtained by the CLEO detector at the Cornell Electron Storage Ring (CESR). The branching ratio is found to be (4.3±2.3)% of the Cabibbo allowed B- → ψK- decay mode, which is consistent with theoretical expectations.",

author = "Alexander, {J. P.} and C. Bebek and K. Berkelman and K. Bloom and Browder, {T. E.} and Cassel, {D. G.} and Cho, {H. A.} and Coffman, {D. M.} and Crowcroft, {D. S.} and Drell, {P. S.} and D. Dumas and R. Ehrlich and P. Gaidarev and M. Garcia-Sciveres and B. Geiser and B. Gittelman and Gray, {S. W.} and Hartill, {D. L.} and Heltsley, {B. K.} and S. Henderson and Jones, {C. D.} and Jones, {S. L.} and J. Kandaswamy and N. Katayama and Kim, {P. C.} and Kreinick, {D. L.} 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 S. Salman and M. Sapper and F. W{\"u}rthwein and P. Avery and A. Freyberger and J. Rodriguez and S. Yang and J. Yelton and D. Cinabro and T. Liu and M. Saulnier and R. Wilson and H. Yamamoto and T. Bergfeld and Eisenstein, {B. I.} and G. Gollin and B. Ong and M. Palmer and M. Selen and Thaler, {J. J.} and Edwards, {K. W.} and M. Ogg and A. Bellerive and Britton, {D. I.} and Hyatt, {E. R.F.} 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 M. Kelly and S. Kotov and I. Kravchenko and N. Kwak and H. Lam and Y. Kubota and M. Lattery and M. Momayezi and Nelson, {J. K.} and S. Patton and R. Poling and V. Savinov and S. Schrenk and R. Wang 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 F. Wappler and G. Crawford and Daubenmier, {C. M.} and R. Fulton and D. Fujino and Gan, {K. K.} and K. Honscheid and H. Kagan and R. Kass and J. Lee and R. Malchow and Y. Skovpen and M. Sung and C. White and Zoeller, {M. M.} and F. Butler and X. Fu and B. Nemati and Ross, {W. R.} and P. Skubic and M. Wood and M. Bishai and J. Fast and E. Gerndt and McIlwain, {R. L.} and T. Miao and Miller, {D. H.} and M. Modesitt and D. Payne and Shibata, {E. I.} and Shipsey, {I. P.J.} and Wang, {P. N.} and M. Battle and J. Ernst and L. Gibbons and Y. Kwon and S. Roberts and Thorndike, {E. H.} and Wang, {C. H.} and J. Dominick and M. Lambrecht and S. Sanghera and V. Shelkov and T. Skwarnicki and R. Stroynowski and I. Volobouev and G. Wei and P. Zadorozhny and M. Artuso and M. Gao and M. Goldberg and D. He and N. Horwitz and Moneti, {G. C.} and R. Mountain and F. Muheim and Y. Mukhin and S. Playfer and Y. Rozen and Sheldon Stone and X. Xing and G. Zhu and J. Bartelt and Csorna, {S. E.} and Z. Egyed and V. Jain and D. Gibaut and K. Kinoshita and P. Pomianowski and B. Barish and M. Chadha and S. Chan and Cowen, {D. F.} and G. Eigen and Miller, {J. S.} and C. O'Grady and J. Urheim and Weinstein, {A. J.} and M. Athanas and W. Brower and G. Masek and Paar, {H. P.} and J. Gronberg 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 A. Ryd and H. Tajima and D. Sperka and Witherell, {M. S.} and R. Balest and K. Cho and Ford, {W. T.} and Johnson, {D. R.} and K. Lingel and M. Lohner and P. Rankin and Smith, {J. G.}",

note = "Funding Information: We gratefully acknowledge the effort of the CESR staff in providing us with excellent luminosity and running conditions. This work was supported by the National Science Foundation, the U.S. Dept. of Energy, the Heisenberg Foundation, the SSC Fellowship program of TNRLC, Natural Sciences and Engineering Research Council of Canada, and the A.P. Sloan Foundation.",

year = "1995",

month = jan,

day = "5",

doi = "10.1016/0370-2693(95)80026-T",

language = "English (US)",

volume = "341",

pages = "435--440",

journal = "Physics Letters B",

issn = "0370-2693",

publisher = "Elsevier",

number = "3-4",

}

TY - JOUR

T1 - Observation of B → ψπ decays

AU - Alexander, J. P.

AU - Bebek, C.

AU - Berkelman, K.

AU - Bloom, K.

AU - Browder, T. E.

AU - Cassel, D. G.

AU - Cho, H. A.

AU - Coffman, D. M.

AU - Crowcroft, D. S.

AU - Drell, P. S.

AU - Dumas, D.

AU - Ehrlich, R.

AU - Gaidarev, P.

AU - Garcia-Sciveres, M.

AU - Geiser, B.

AU - Gittelman, B.

AU - Gray, S. W.

AU - Hartill, D. L.

AU - Heltsley, B. K.

AU - Henderson, S.

AU - Jones, C. D.

AU - Jones, S. L.

AU - Kandaswamy, J.

AU - Katayama, N.

AU - Kim, P. C.

AU - Kreinick, D. L.

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 - Salman, S.

AU - Sapper, M.

AU - Würthwein, F.

AU - Avery, P.

AU - Freyberger, A.

AU - Rodriguez, J.

AU - Yang, S.

AU - Yelton, J.

AU - Cinabro, D.

AU - Liu, T.

AU - Saulnier, M.

AU - Wilson, R.

AU - Yamamoto, H.

AU - Bergfeld, T.

AU - Eisenstein, B. I.

AU - Gollin, G.

AU - Ong, B.

AU - Palmer, M.

AU - Selen, M.

AU - Thaler, J. J.

AU - Edwards, K. W.

AU - Ogg, M.

AU - Bellerive, A.

AU - Britton, D. I.

AU - Hyatt, E. R.F.

AU - MacFarlane, D. B.

AU - Patel, P. M.

AU - Spaan, B.

AU - Sadoff, A. J.

AU - Ammar, R.

AU - Baringer, P.

AU - Bean, A.

AU - Besson, D.

AU - Coppage, D.

AU - Copty, N.

AU - Davis, R.

AU - Hancock, N.

AU - Kelly, M.

AU - Kotov, S.

AU - Kravchenko, I.

AU - Kwak, N.

AU - Lam, H.

AU - Kubota, Y.

AU - Lattery, M.

AU - Momayezi, M.

AU - Nelson, J. K.

AU - Patton, S.

AU - Poling, R.

AU - Savinov, V.

AU - Schrenk, S.

AU - Wang, R.

AU - Alam, M. S.

AU - Kim, I. J.

AU - Ling, Z.

AU - Mahmood, A. H.

AU - O'Neill, J. J.

AU - Severini, H.

AU - Sun, C. R.

AU - Wappler, F.

AU - Crawford, G.

AU - Daubenmier, C. M.

AU - Fulton, R.

AU - Fujino, D.

AU - Gan, K. K.

AU - Honscheid, K.

AU - Kagan, H.

AU - Kass, R.

AU - Lee, J.

AU - Malchow, R.

AU - Skovpen, Y.

AU - Sung, M.

AU - White, C.

AU - Zoeller, M. M.

AU - Butler, F.

AU - Fu, X.

AU - Nemati, B.

AU - Ross, W. R.

AU - Skubic, P.

AU - Wood, M.

AU - Bishai, M.

AU - Fast, J.

AU - Gerndt, E.

AU - McIlwain, R. L.

AU - Miao, T.

AU - Miller, D. H.

AU - Modesitt, M.

AU - Payne, D.

AU - Shibata, E. I.

AU - Shipsey, I. P.J.

AU - Wang, P. N.

AU - Battle, M.

AU - Ernst, J.

AU - Gibbons, L.

AU - Kwon, Y.

AU - Roberts, S.

AU - Thorndike, E. H.

AU - Wang, C. H.

AU - Dominick, J.

AU - Lambrecht, M.

AU - Sanghera, S.

AU - Shelkov, V.

AU - Skwarnicki, T.

AU - Stroynowski, R.

AU - Volobouev, I.

AU - Wei, G.

AU - Zadorozhny, P.

AU - Artuso, M.

AU - Gao, M.

AU - Goldberg, M.

AU - He, D.

AU - Horwitz, N.

AU - Moneti, G. C.

AU - Mountain, R.

AU - Muheim, F.

AU - Mukhin, Y.

AU - Playfer, S.

AU - Rozen, Y.

AU - Stone, Sheldon

AU - Xing, X.

AU - Zhu, G.

AU - Bartelt, J.

AU - Csorna, S. E.

AU - Egyed, Z.

AU - Jain, V.

AU - Gibaut, D.

AU - Kinoshita, K.

AU - Pomianowski, P.

AU - Barish, B.

AU - Chadha, M.

AU - Chan, S.

AU - Cowen, D. F.

AU - Eigen, G.

AU - Miller, J. S.

AU - O'Grady, C.

AU - Urheim, J.

AU - Weinstein, A. J.

AU - Athanas, M.

AU - Brower, W.

AU - Masek, G.

AU - Paar, H. P.

AU - Gronberg, J.

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 - Ryd, A.

AU - Tajima, H.

AU - Sperka, D.

AU - Witherell, M. S.

AU - Balest, R.

AU - Cho, K.

AU - Ford, W. T.

AU - Johnson, D. R.

AU - Lingel, K.

AU - Lohner, M.

AU - Rankin, P.

AU - Smith, J. G.

N1 - Funding Information: We gratefully acknowledge the effort of the CESR staff in providing us with excellent luminosity and running conditions. This work was supported by the National Science Foundation, the U.S. Dept. of Energy, the Heisenberg Foundation, the SSC Fellowship program of TNRLC, Natural Sciences and Engineering Research Council of Canada, and the A.P. Sloan Foundation.

PY - 1995/1/5

Y1 - 1995/1/5

N2 - We have found the first evidence for the Cabibbo suppressed, color suppressed decay B- → ψπ- in a data sample of 4 million B decays obtained by the CLEO detector at the Cornell Electron Storage Ring (CESR). The branching ratio is found to be (4.3±2.3)% of the Cabibbo allowed B- → ψK- decay mode, which is consistent with theoretical expectations.

AB - We have found the first evidence for the Cabibbo suppressed, color suppressed decay B- → ψπ- in a data sample of 4 million B decays obtained by the CLEO detector at the Cornell Electron Storage Ring (CESR). The branching ratio is found to be (4.3±2.3)% of the Cabibbo allowed B- → ψK- decay mode, which is consistent with theoretical expectations.

UR - http://www.scopus.com/inward/record.url?scp=0001663161&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0001663161&partnerID=8YFLogxK

U2 - 10.1016/0370-2693(95)80026-T

DO - 10.1016/0370-2693(95)80026-T

M3 - Article

AN - SCOPUS:0001663161

SN - 0370-2693

VL - 341

SP - 435

EP - 440

JO - Physics Letters B

JF - Physics Letters B

IS - 3-4

ER -

Observation of B → ψπ decays

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