A search for flavour-changing neutral currents in b decay at petra

W. Bartel; L. Becker; C. K. Bowdery; D. Cords; R. Eichler; R. Felst; D. Haidt; H. Krehbiel; B. Naroska; J. Olsson; P. Steffen; P. Warming; G. Dietrich; E. Elsen; G. Heinzelmann; H. Kado; K. Meier; A. Petersen; U. Schneekloth; G. Weber; S. Bethke; A. Dieckmann; J. Heintze; K. H. Hellenbrand; R. D. Heuer; S. Komamiya; J. von Krogh; P. Lennert; H. Matsumura; H. Rieseberg; A. Wagner; A. Bell; A. Finch; F. Foster; G. Hughes; T. Nozaki; H. Wriedt; J. Allison; A. H. Ball; G. J. Bamford; R. J. Barlow; I. P. Duerdoth; I. Glendinning; F. K. Loebinger; A. A. Macbeth; H. McCann; H. E. Mills; P. G. Murphy; P. G. Rowe; K. Stephens; D. Clarke; R. Marshall; G. F. Pearce; J. B. Whittaker; J. Kanzaki; T. Kawamoto; T. Kobayashi; M. Koshiba; M. Minowa; M. Nozaki; S. Odaka; S. Orito; A. Sato; H. Takeda; T. Takeshita; Y. Totsuka; S. Yamada

doi:10.1016/0370-2693(83)90258-7

A search for flavour-changing neutral currents in b decay at petra

W. Bartel^*, L. Becker, C. K. Bowdery, D. Cords, R. Eichler, R. Felst, D. Haidt, H. Krehbiel, B. Naroska, J. Olsson, P. Steffen, P. Warming, G. Dietrich, E. Elsen, G. Heinzelmann, H. Kado, K. Meier, A. Petersen, U. Schneekloth, G. WeberS. Bethke, A. Dieckmann, J. Heintze, K. H. Hellenbrand, R. D. Heuer, S. Komamiya, J. von Krogh, P. Lennert, H. Matsumura, H. Rieseberg, A. Wagner, A. Bell, A. Finch, F. Foster, G. Hughes, T. Nozaki, H. Wriedt, J. Allison, A. H. Ball, G. J. Bamford, R. J. Barlow, I. P. Duerdoth, I. Glendinning, F. K. Loebinger, A. A. Macbeth, H. McCann, H. E. Mills, P. G. Murphy, P. G. Rowe, K. Stephens, D. Clarke, R. Marshall, G. F. Pearce, J. B. Whittaker, J. Kanzaki, T. Kawamoto, T. Kobayashi, M. Koshiba, M. Minowa, M. Nozaki, S. Odaka, S. Orito, A. Sato, H. Takeda, T. Takeshita, Y. Totsuka, S. Yamada

^*Corresponding author for this work

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

Abstract

A study of the reaction e⁺e^- → μ⁺μ^-+ anything at a mean centre of mass energy of ≈35 GeV has been carried out to investigate the possible flavour-changing neutral current decay of the b quark. An upper limit of 0.7% at 95% CL has been placed on the branching ratio for this process. This limit conflicts with the predictions of a five-quark model (without top) which assigns the b quark to left- and right-handed singlets.

Original language	English
Pages (from-to)	241-245
Number of pages	5
Journal	Physics Letters B
Volume	132
Issue number	1-3
DOIs	https://doi.org/10.1016/0370-2693(83)90258-7
Publication status	Published - 1983 Nov 24
Externally published	Yes

ASJC Scopus subject areas

Nuclear and High Energy Physics

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Bartel, W., Becker, L., Bowdery, C. K., Cords, D., Eichler, R., Felst, R., Haidt, D., Krehbiel, H., Naroska, B., Olsson, J., Steffen, P., Warming, P., Dietrich, G., Elsen, E., Heinzelmann, G., Kado, H., Meier, K., Petersen, A., Schneekloth, U., ... Yamada, S. (1983). A search for flavour-changing neutral currents in b decay at petra. Physics Letters B, 132(1-3), 241-245. https://doi.org/10.1016/0370-2693(83)90258-7

Bartel, W, Becker, L, Bowdery, CK, Cords, D, Eichler, R, Felst, R, Haidt, D, Krehbiel, H, Naroska, B, Olsson, J, Steffen, P, Warming, P, Dietrich, G, Elsen, E, Heinzelmann, G, Kado, H, Meier, K, Petersen, A, Schneekloth, U, Weber, G, Bethke, S, Dieckmann, A, Heintze, J, Hellenbrand, KH, Heuer, RD, Komamiya, S, von Krogh, J, Lennert, P, Matsumura, H, Rieseberg, H, Wagner, A, Bell, A, Finch, A, Foster, F, Hughes, G, Nozaki, T, Wriedt, H, Allison, J, Ball, AH, Bamford, GJ, Barlow, RJ, Duerdoth, IP, Glendinning, I, Loebinger, FK, Macbeth, AA, McCann, H, Mills, HE, Murphy, PG, Rowe, PG, Stephens, K, Clarke, D, Marshall, R, Pearce, GF, Whittaker, JB, Kanzaki, J, Kawamoto, T, Kobayashi, T, Koshiba, M, Minowa, M, Nozaki, M, Odaka, S, Orito, S, Sato, A, Takeda, H, Takeshita, T, Totsuka, Y & Yamada, S 1983, 'A search for flavour-changing neutral currents in b decay at petra', Physics Letters B, vol. 132, no. 1-3, pp. 241-245. https://doi.org/10.1016/0370-2693(83)90258-7

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title = "A search for flavour-changing neutral currents in b decay at petra",

abstract = "A study of the reaction e+e- → μ+μ-+ anything at a mean centre of mass energy of ≈35 GeV has been carried out to investigate the possible flavour-changing neutral current decay of the b quark. An upper limit of 0.7% at 95% CL has been placed on the branching ratio for this process. This limit conflicts with the predictions of a five-quark model (without top) which assigns the b quark to left- and right-handed singlets.",

author = "W. Bartel and L. Becker and Bowdery, {C. K.} and D. Cords and R. Eichler and R. Felst and D. Haidt and H. Krehbiel and B. Naroska and J. Olsson and P. Steffen and P. Warming and G. Dietrich and E. Elsen and G. Heinzelmann and H. Kado and K. Meier and A. Petersen and U. Schneekloth and G. Weber and S. Bethke and A. Dieckmann and J. Heintze and Hellenbrand, {K. H.} and Heuer, {R. D.} and S. Komamiya and {von Krogh}, J. and P. Lennert and H. Matsumura and H. Rieseberg and A. Wagner and A. Bell and A. Finch and F. Foster and G. Hughes and T. Nozaki and H. Wriedt and J. Allison and Ball, {A. H.} and Bamford, {G. J.} and Barlow, {R. J.} and Duerdoth, {I. P.} and I. Glendinning and Loebinger, {F. K.} and Macbeth, {A. A.} and H. McCann and Mills, {H. E.} and Murphy, {P. G.} and Rowe, {P. G.} and K. Stephens and D. Clarke and R. Marshall and Pearce, {G. F.} and Whittaker, {J. B.} and J. Kanzaki and T. Kawamoto and T. Kobayashi and M. Koshiba and M. Minowa and M. Nozaki and S. Odaka and S. Orito and A. Sato and H. Takeda and T. Takeshita and Y. Totsuka and S. Yamada",

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doi = "10.1016/0370-2693(83)90258-7",

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T1 - A search for flavour-changing neutral currents in b decay at petra

AU - Bartel, W.

AU - Becker, L.

AU - Bowdery, C. K.

AU - Cords, D.

AU - Eichler, R.

AU - Felst, R.

AU - Haidt, D.

AU - Krehbiel, H.

AU - Naroska, B.

AU - Olsson, J.

AU - Steffen, P.

AU - Warming, P.

AU - Dietrich, G.

AU - Elsen, E.

AU - Heinzelmann, G.

AU - Kado, H.

AU - Meier, K.

AU - Petersen, A.

AU - Schneekloth, U.

AU - Weber, G.

AU - Bethke, S.

AU - Dieckmann, A.

AU - Heintze, J.

AU - Hellenbrand, K. H.

AU - Heuer, R. D.

AU - Komamiya, S.

AU - von Krogh, J.

AU - Lennert, P.

AU - Matsumura, H.

AU - Rieseberg, H.

AU - Wagner, A.

AU - Bell, A.

AU - Finch, A.

AU - Foster, F.

AU - Hughes, G.

AU - Nozaki, T.

AU - Wriedt, H.

AU - Allison, J.

AU - Ball, A. H.

AU - Bamford, G. J.

AU - Barlow, R. J.

AU - Duerdoth, I. P.

AU - Glendinning, I.

AU - Loebinger, F. K.

AU - Macbeth, A. A.

AU - McCann, H.

AU - Mills, H. E.

AU - Murphy, P. G.

AU - Rowe, P. G.

AU - Stephens, K.

AU - Clarke, D.

AU - Marshall, R.

AU - Pearce, G. F.

AU - Whittaker, J. B.

AU - Kanzaki, J.

AU - Kawamoto, T.

AU - Kobayashi, T.

AU - Koshiba, M.

AU - Minowa, M.

AU - Nozaki, M.

AU - Odaka, S.

AU - Orito, S.

AU - Sato, A.

AU - Takeda, H.

AU - Takeshita, T.

AU - Totsuka, Y.

AU - Yamada, S.

PY - 1983/11/24

Y1 - 1983/11/24

N2 - A study of the reaction e+e- → μ+μ-+ anything at a mean centre of mass energy of ≈35 GeV has been carried out to investigate the possible flavour-changing neutral current decay of the b quark. An upper limit of 0.7% at 95% CL has been placed on the branching ratio for this process. This limit conflicts with the predictions of a five-quark model (without top) which assigns the b quark to left- and right-handed singlets.

AB - A study of the reaction e+e- → μ+μ-+ anything at a mean centre of mass energy of ≈35 GeV has been carried out to investigate the possible flavour-changing neutral current decay of the b quark. An upper limit of 0.7% at 95% CL has been placed on the branching ratio for this process. This limit conflicts with the predictions of a five-quark model (without top) which assigns the b quark to left- and right-handed singlets.

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U2 - 10.1016/0370-2693(83)90258-7

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AN - SCOPUS:48749143972

SN - 0370-2693

VL - 132

SP - 241

EP - 245

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

IS - 1-3

ER -

A search for flavour-changing neutral currents in b decay at petra

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