Evidence for anomalous lepton production in e+-e- annihilation

M. L. Perl; G. S. Abrams; A. M. Boyarski; M. Breidenbach; D. D. Briggs; F. Bulos; W. Chinowsky; J. T. Dakin; G. J. Feldman; C. E. Friedberg; D. Fryberger; G. Goldhaber; G. Hanson; F. B. Heile; B. Jean-Marie; J. A. Kadyk; R. R. Larsen; A. M. Litke; D. Lüke; B. A. Lulu; V. Lüth; D. Lyon; C. C. Morehouse; J. M. Paterson; F. M. Pierre; T. P. Pun; P. A. Rapidis; B. Richter; B. Sadoulet; R. F. Schwitters; W. Tanenbaum; G. H. Trilling; F. Vannucci; J. S. Whitaker; F. C. Winkelmann; J. E. Wiss

doi:10.1103/PhysRevLett.35.1489

Evidence for anomalous lepton production in e+-e- annihilation

M. L. Perl, G. S. Abrams, A. M. Boyarski, M. Breidenbach, D. D. Briggs, F. Bulos, W. Chinowsky, J. T. Dakin, G. J. Feldman, C. E. Friedberg, D. Fryberger, G. Goldhaber, G. Hanson, F. B. Heile, B. Jean-Marie, J. A. Kadyk, R. R. Larsen, A. M. Litke, D. Lüke, B. A. LuluV. Lüth, D. Lyon, C. C. Morehouse, J. M. Paterson, F. M. Pierre, T. P. Pun, P. A. Rapidis, B. Richter, B. Sadoulet, R. F. Schwitters, W. Tanenbaum, G. H. Trilling, F. Vannucci, J. S. Whitaker, F. C. Winkelmann, J. E. Wiss

Physics

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

Abstract

We have found events of the form e++e-→e±+μ+missing energy, in which no other charged particles or photons are detected. Most of these events are detected at or above a center-of-mass energy of 4 GeV. The missing-energy and missing-momentum spectra require that at least two additional particles be produced in each event. We have no conventional explanation for these events.

Original language	English (US)
Pages (from-to)	1489-1492
Number of pages	4
Journal	Physical review letters
Volume	35
Issue number	22
DOIs	https://doi.org/10.1103/PhysRevLett.35.1489
State	Published - 1975

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General Physics and Astronomy

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Perl, M. L., Abrams, G. S., Boyarski, A. M., Breidenbach, M., Briggs, D. D., Bulos, F., Chinowsky, W., Dakin, J. T., Feldman, G. J., Friedberg, C. E., Fryberger, D., Goldhaber, G., Hanson, G., Heile, F. B., Jean-Marie, B., Kadyk, J. A., Larsen, R. R., Litke, A. M., Lüke, D., ... Wiss, J. E. (1975). Evidence for anomalous lepton production in e+-e- annihilation. Physical review letters, 35(22), 1489-1492. https://doi.org/10.1103/PhysRevLett.35.1489

Perl, ML, Abrams, GS, Boyarski, AM, Breidenbach, M, Briggs, DD, Bulos, F, Chinowsky, W, Dakin, JT, Feldman, GJ, Friedberg, CE, Fryberger, D, Goldhaber, G, Hanson, G, Heile, FB, Jean-Marie, B, Kadyk, JA, Larsen, RR, Litke, AM, Lüke, D, Lulu, BA, Lüth, V, Lyon, D, Morehouse, CC, Paterson, JM, Pierre, FM, Pun, TP, Rapidis, PA, Richter, B, Sadoulet, B, Schwitters, RF, Tanenbaum, W, Trilling, GH, Vannucci, F, Whitaker, JS, Winkelmann, FC & Wiss, JE 1975, 'Evidence for anomalous lepton production in e+-e- annihilation', Physical review letters, vol. 35, no. 22, pp. 1489-1492. https://doi.org/10.1103/PhysRevLett.35.1489

@article{2a3c91a02d1a41cdbc0769cb4c905d2d,

title = "Evidence for anomalous lepton production in e+-e- annihilation",

abstract = "We have found events of the form e++e-→e±+μ+missing energy, in which no other charged particles or photons are detected. Most of these events are detected at or above a center-of-mass energy of 4 GeV. The missing-energy and missing-momentum spectra require that at least two additional particles be produced in each event. We have no conventional explanation for these events.",

author = "Perl, \{M. L.\} and Abrams, \{G. S.\} and Boyarski, \{A. M.\} and M. Breidenbach and Briggs, \{D. D.\} and F. Bulos and W. Chinowsky and Dakin, \{J. T.\} and Feldman, \{G. J.\} and Friedberg, \{C. E.\} and D. Fryberger and G. Goldhaber and G. Hanson and Heile, \{F. B.\} and B. Jean-Marie and Kadyk, \{J. A.\} and Larsen, \{R. R.\} and Litke, \{A. M.\} and D. L{\"u}ke and Lulu, \{B. A.\} and V. L{\"u}th and D. Lyon and Morehouse, \{C. C.\} and Paterson, \{J. M.\} and Pierre, \{F. M.\} and Pun, \{T. P.\} and Rapidis, \{P. A.\} and B. Richter and B. Sadoulet and Schwitters, \{R. F.\} and W. Tanenbaum and Trilling, \{G. H.\} and F. Vannucci and Whitaker, \{J. S.\} and Winkelmann, \{F. C.\} and Wiss, \{J. E.\}",

note = "This work is based on observations obtained at the Gemini Observatory, which is operated by the Association of Universities for Research in Astronomy, Inc., under a cooperative agreement with the NSF on behalf of the Gemini partnership: the National Science Foundation (United States), the Science and Technology Facilities Council (United Kingdom), the National Research Council (Canada), CONICYT (Chile), the Australian Research Council (Australia), Minist?rio da Ci?ncia, Tecnologia e Inova??o (Brazil) and Ministerio de Ciencia, Tecnolog?a e Innovaci?n Productiva (Argentina). WHW is partially supported by the Ministry of Science and Technology of Taiwan grant 102-2119-M-001-007-MY3. NK acknowledges support from the Department of Science and Technology through a Ramanujan Fellowship. JXP is partly supported by NSF grant AST-1109447. The authors would like to dedicate this paper to the memory of Arthur M. Wolfe, who pioneered studies of DLA systems for more than three decades.",

year = "1975",

doi = "10.1103/PhysRevLett.35.1489",

language = "English (US)",

volume = "35",

pages = "1489--1492",

journal = "Physical review letters",

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publisher = "American Physical Society",

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T1 - Evidence for anomalous lepton production in e+-e- annihilation

AU - Perl, M. L.

AU - Abrams, G. S.

AU - Boyarski, A. M.

AU - Breidenbach, M.

AU - Briggs, D. D.

AU - Bulos, F.

AU - Chinowsky, W.

AU - Dakin, J. T.

AU - Feldman, G. J.

AU - Friedberg, C. E.

AU - Fryberger, D.

AU - Goldhaber, G.

AU - Hanson, G.

AU - Heile, F. B.

AU - Jean-Marie, B.

AU - Kadyk, J. A.

AU - Larsen, R. R.

AU - Litke, A. M.

AU - Lüke, D.

AU - Lulu, B. A.

AU - Lüth, V.

AU - Lyon, D.

AU - Morehouse, C. C.

AU - Paterson, J. M.

AU - Pierre, F. M.

AU - Pun, T. P.

AU - Rapidis, P. A.

AU - Richter, B.

AU - Sadoulet, B.

AU - Schwitters, R. F.

AU - Tanenbaum, W.

AU - Trilling, G. H.

AU - Vannucci, F.

AU - Whitaker, J. S.

AU - Winkelmann, F. C.

AU - Wiss, J. E.

N1 - This work is based on observations obtained at the Gemini Observatory, which is operated by the Association of Universities for Research in Astronomy, Inc., under a cooperative agreement with the NSF on behalf of the Gemini partnership: the National Science Foundation (United States), the Science and Technology Facilities Council (United Kingdom), the National Research Council (Canada), CONICYT (Chile), the Australian Research Council (Australia), Minist?rio da Ci?ncia, Tecnologia e Inova??o (Brazil) and Ministerio de Ciencia, Tecnolog?a e Innovaci?n Productiva (Argentina). WHW is partially supported by the Ministry of Science and Technology of Taiwan grant 102-2119-M-001-007-MY3. NK acknowledges support from the Department of Science and Technology through a Ramanujan Fellowship. JXP is partly supported by NSF grant AST-1109447. The authors would like to dedicate this paper to the memory of Arthur M. Wolfe, who pioneered studies of DLA systems for more than three decades.

PY - 1975

Y1 - 1975

N2 - We have found events of the form e++e-→e±+μ+missing energy, in which no other charged particles or photons are detected. Most of these events are detected at or above a center-of-mass energy of 4 GeV. The missing-energy and missing-momentum spectra require that at least two additional particles be produced in each event. We have no conventional explanation for these events.

AB - We have found events of the form e++e-→e±+μ+missing energy, in which no other charged particles or photons are detected. Most of these events are detected at or above a center-of-mass energy of 4 GeV. The missing-energy and missing-momentum spectra require that at least two additional particles be produced in each event. We have no conventional explanation for these events.

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DO - 10.1103/PhysRevLett.35.1489

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EP - 1492

JO - Physical review letters

JF - Physical review letters

IS - 22

ER -

Evidence for anomalous lepton production in e+-e- annihilation

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