A search for rare B meson decays at the CERN Spp̄S collider

C. Albajar; M. G. Albrow; O. C. Allkofer; K. Ankoviak; R. Apsimon; B. Aubert; C. Bacci; S. Bartha; G. Bauer; A. Bettini; A. Bezaguet; P. Biddulph; H. Bohn; A. Böhrer; R. Bonino; K. Bos; M. Botlo; D. Brockhausen; C. Buchanan; B. Buschbeck; G. Busetto; A. Caner; P. Casoli; H. Castilla-Valdez; F. Cavanna; P. Cennini; S. Centro; F. Ceradini; G. Ciapetti; S. Cittolin; E. Clayton; D. Cline; J. Colas; R. Conte; J. A. Coughlan; D. Dau; C. Daum; M. Della Negra; M. Demoulin; D. Denegri; H. Dibon; A. DiCiaccio; F. J. Diez Hedo; L. Dobrzynski; J. Dorenbosch; J. D. Dowell; D. Drijard; K. Eggert; E. Eisenhandler; N. Ellis

doi:10.1016/0370-2693(91)90660-I

A search for rare B meson decays at the CERN Spp̄S collider

C. Albajar, M. G. Albrow, O. C. Allkofer, K. Ankoviak, R. Apsimon, B. Aubert, C. Bacci, S. Bartha, G. Bauer, A. Bettini, A. Bezaguet, P. Biddulph, H. Bohn, A. Böhrer, R. Bonino, K. Bos, M. Botlo, D. Brockhausen, C. Buchanan, B. BuschbeckG. Busetto, A. Caner, P. Casoli, H. Castilla-Valdez, F. Cavanna, P. Cennini, S. Centro, F. Ceradini, G. Ciapetti, S. Cittolin, E. Clayton, D. Cline, J. Colas, R. Conte, J. A. Coughlan, D. Dau, C. Daum, M. Della Negra, M. Demoulin, D. Denegri, H. Dibon, A. DiCiaccio, F. J. Diez Hedo, L. Dobrzynski, J. Dorenbosch, J. D. Dowell, D. Drijard, K. Eggert, E. Eisenhandler, N. Ellis

Physics and Astronomy (Twin Cities)

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Abstract

We report on a search for the decays B⁰→ μ⁺μ^-, B→ μ⁺ μ^-X and B_d⁰ → μ⁺ μ^-K^0*, which are expected to be rare if mediated by flavor changing neutral currents. Using data collected during the 1984-1989 CERN pp̄ Collider runs, the UA1 search was carried out using μ⁺ μ^- events with 3.9<M_μμ < 5.5 GeV/c₂. We find 90% confidence level upper limits on the branching for BR → μ⁺μ^- of 8.3 × 10^-6, for B → μ⁺μ^-X of 5.0 × 10^-5, and for B⁰_d→μ⁺μ^-K^0* of of 2.3 × 10^-5. Implicatitions for upper limits on the t-quark mass are discussed.

Original language	English (US)
Pages (from-to)	163-170
Number of pages	8
Journal	Physics Letters B
Volume	262
Issue number	1
DOIs	https://doi.org/10.1016/0370-2693(91)90660-I
State	Published - Jun 13 1991

Bibliographical note

Funding Information:
We are thankful to the management and staff of CERN and of all participating institutes for their vigorous support of the experiment. The following funding agencies have contributed to this programme: Fonds zur FSrderung der Wissenschaftlichen For-schung, Austria; Valtion luonnontieteellinen toimikunta, Suomen Ak-atemia, Finland; Institut National de Physique Nucl6aire et de Physique des Particules and Institut de Recherche Fondamentale (CEA), France; Bundesministerium ftir Forschung und Technologie, FRG; Istituto Nazionale di Fisica Nucleare, Italy; Science and Engineering Research Council, UK; Stichting Voor Fundamenteel Onderzoek der Mate° rie, The Netherlands; Centro de Investigaciones Energetica, Medioam-bientales y Tecnologicas (CIEMAT), Spain; Department of Energy, USA.

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Albajar, C., Albrow, M. G., Allkofer, O. C., Ankoviak, K., Apsimon, R., Aubert, B., Bacci, C., Bartha, S., Bauer, G., Bettini, A., Bezaguet, A., Biddulph, P., Bohn, H., Böhrer, A., Bonino, R., Bos, K., Botlo, M., Brockhausen, D., Buchanan, C., ... Ellis, N. (1991). A search for rare B meson decays at the CERN Spp̄S collider. Physics Letters B, 262(1), 163-170. https://doi.org/10.1016/0370-2693(91)90660-I

Albajar, C, Albrow, MG, Allkofer, OC, Ankoviak, K, Apsimon, R, Aubert, B, Bacci, C, Bartha, S, Bauer, G, Bettini, A, Bezaguet, A, Biddulph, P, Bohn, H, Böhrer, A, Bonino, R, Bos, K, Botlo, M, Brockhausen, D, Buchanan, C, Buschbeck, B, Busetto, G, Caner, A, Casoli, P, Castilla-Valdez, H, Cavanna, F, Cennini, P, Centro, S, Ceradini, F, Ciapetti, G, Cittolin, S, Clayton, E, Cline, D, Colas, J, Conte, R, Coughlan, JA, Dau, D, Daum, C, Della Negra, M, Demoulin, M, Denegri, D, Dibon, H, DiCiaccio, A, Diez Hedo, FJ, Dobrzynski, L, Dorenbosch, J, Dowell, JD, Drijard, D, Eggert, K, Eisenhandler, E & Ellis, N 1991, 'A search for rare B meson decays at the CERN Spp̄S collider', Physics Letters B, vol. 262, no. 1, pp. 163-170. https://doi.org/10.1016/0370-2693(91)90660-I

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title = "A search for rare B meson decays at the CERN Sp{\=p}S collider",

abstract = "We report on a search for the decays B0→ μ+μ-, B→ μ+ μ-X and Bd0 → μ+ μ-K0*, which are expected to be rare if mediated by flavor changing neutral currents. Using data collected during the 1984-1989 CERN p{\=p} Collider runs, the UA1 search was carried out using μ+ μ- events with 3.9<Mμμ < 5.5 GeV/c2. We find 90% confidence level upper limits on the branching for BR → μ+μ- of 8.3 × 10-6, for B → μ+μ-X of 5.0 × 10-5, and for B0d→μ+μ-K 0* of of 2.3 × 10-5. Implicatitions for upper limits on the t-quark mass are discussed.",

author = "C. Albajar and Albrow, {M. G.} and Allkofer, {O. C.} and K. Ankoviak and R. Apsimon and B. Aubert and C. Bacci and S. Bartha and G. Bauer and A. Bettini and A. Bezaguet and P. Biddulph and H. Bohn and A. B{\"o}hrer and R. Bonino and K. Bos and M. Botlo and D. Brockhausen and C. Buchanan and B. Buschbeck and G. Busetto and A. Caner and P. Casoli and H. Castilla-Valdez and F. Cavanna and P. Cennini and S. Centro and F. Ceradini and G. Ciapetti and S. Cittolin and E. Clayton and D. Cline and J. Colas and R. Conte and Coughlan, {J. A.} and D. Dau and C. Daum and {Della Negra}, M. and M. Demoulin and D. Denegri and H. Dibon and A. DiCiaccio and {Diez Hedo}, {F. J.} and L. Dobrzynski and J. Dorenbosch and Dowell, {J. D.} and D. Drijard and K. Eggert and E. Eisenhandler and N. Ellis",

note = "Funding Information: We are thankful to the management and staff of CERN and of all participating institutes for their vigorous support of the experiment. The following funding agencies have contributed to this programme: Fonds zur FSrderung der Wissenschaftlichen For-schung, Austria; Valtion luonnontieteellinen toimikunta, Suomen Ak-atemia, Finland; Institut National de Physique Nucl6aire et de Physique des Particules and Institut de Recherche Fondamentale (CEA), France; Bundesministerium ftir Forschung und Technologie, FRG; Istituto Nazionale di Fisica Nucleare, Italy; Science and Engineering Research Council, UK; Stichting Voor Fundamenteel Onderzoek der Mate° rie, The Netherlands; Centro de Investigaciones Energetica, Medioam-bientales y Tecnologicas (CIEMAT), Spain; Department of Energy, USA.",

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doi = "10.1016/0370-2693(91)90660-I",

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T1 - A search for rare B meson decays at the CERN Spp̄S collider

AU - Albajar, C.

AU - Albrow, M. G.

AU - Allkofer, O. C.

AU - Ankoviak, K.

AU - Apsimon, R.

AU - Aubert, B.

AU - Bacci, C.

AU - Bartha, S.

AU - Bauer, G.

AU - Bettini, A.

AU - Bezaguet, A.

AU - Biddulph, P.

AU - Bohn, H.

AU - Böhrer, A.

AU - Bonino, R.

AU - Bos, K.

AU - Botlo, M.

AU - Brockhausen, D.

AU - Buchanan, C.

AU - Buschbeck, B.

AU - Busetto, G.

AU - Caner, A.

AU - Casoli, P.

AU - Castilla-Valdez, H.

AU - Cavanna, F.

AU - Cennini, P.

AU - Centro, S.

AU - Ceradini, F.

AU - Ciapetti, G.

AU - Cittolin, S.

AU - Clayton, E.

AU - Cline, D.

AU - Colas, J.

AU - Conte, R.

AU - Coughlan, J. A.

AU - Dau, D.

AU - Daum, C.

AU - Della Negra, M.

AU - Demoulin, M.

AU - Denegri, D.

AU - Dibon, H.

AU - DiCiaccio, A.

AU - Diez Hedo, F. J.

AU - Dobrzynski, L.

AU - Dorenbosch, J.

AU - Dowell, J. D.

AU - Drijard, D.

AU - Eggert, K.

AU - Eisenhandler, E.

AU - Ellis, N.

N1 - Funding Information: We are thankful to the management and staff of CERN and of all participating institutes for their vigorous support of the experiment. The following funding agencies have contributed to this programme: Fonds zur FSrderung der Wissenschaftlichen For-schung, Austria; Valtion luonnontieteellinen toimikunta, Suomen Ak-atemia, Finland; Institut National de Physique Nucl6aire et de Physique des Particules and Institut de Recherche Fondamentale (CEA), France; Bundesministerium ftir Forschung und Technologie, FRG; Istituto Nazionale di Fisica Nucleare, Italy; Science and Engineering Research Council, UK; Stichting Voor Fundamenteel Onderzoek der Mate° rie, The Netherlands; Centro de Investigaciones Energetica, Medioam-bientales y Tecnologicas (CIEMAT), Spain; Department of Energy, USA.

PY - 1991/6/13

Y1 - 1991/6/13

N2 - We report on a search for the decays B0→ μ+μ-, B→ μ+ μ-X and Bd0 → μ+ μ-K0*, which are expected to be rare if mediated by flavor changing neutral currents. Using data collected during the 1984-1989 CERN pp̄ Collider runs, the UA1 search was carried out using μ+ μ- events with 3.9<Mμμ < 5.5 GeV/c2. We find 90% confidence level upper limits on the branching for BR → μ+μ- of 8.3 × 10-6, for B → μ+μ-X of 5.0 × 10-5, and for B0d→μ+μ-K 0* of of 2.3 × 10-5. Implicatitions for upper limits on the t-quark mass are discussed.

AB - We report on a search for the decays B0→ μ+μ-, B→ μ+ μ-X and Bd0 → μ+ μ-K0*, which are expected to be rare if mediated by flavor changing neutral currents. Using data collected during the 1984-1989 CERN pp̄ Collider runs, the UA1 search was carried out using μ+ μ- events with 3.9<Mμμ < 5.5 GeV/c2. We find 90% confidence level upper limits on the branching for BR → μ+μ- of 8.3 × 10-6, for B → μ+μ-X of 5.0 × 10-5, and for B0d→μ+μ-K 0* of of 2.3 × 10-5. Implicatitions for upper limits on the t-quark mass are discussed.

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VL - 262

SP - 163

EP - 170

JO - Physics Letters B

JF - Physics Letters B

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ER -

A search for rare B meson decays at the CERN Spp̄S collider

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