A limit for the μ→eγ decay from the MEG experiment

J. Adam, X. Bai, A. Baldini, E. Baracchini, A. Barchiesi, C. Bemporad, G. Boca, P. W. Cattaneo, G. Cavoto, G. Cecchet, F. Cei, C. Cerri, A. De Bari, M. De Gerone, T. Doke, S. Dussoni, J. Egger, L. Galli, G. Gallucci, F. Gatti & 49 others B. Golden, M. Grassi, D. N. Grigoriev, T. Haruyama, M. Hildebrandt, Y. Hisamatsu, F. Ignatov, T. Iwamoto, D. Kaneko, P. R. Kettle, B. I. Khazin, O. Kiselev, A. Korenchenko, N. Kravchuk, A. Maki, S. Mihara, W. Molzon, T. Mori, D. Mzavia, H. Natori, R. Nardò, D. Nicolò, H. Nishiguchi, Yasuhiro Nishimura, W. Ootani, M. Panareo, A. Papa, R. Pazzi, G. Piredda, A. Popov, F. Renga, S. Ritt, M. Rossella, R. Sawada, M. Schneebeli, F. Sergiampietri, G. Signorelli, S. Suzuki, C. Topchyan, V. Tumakov, Y. Uchiyama, R. Valle, C. Voena, F. Xiao, S. Yamada, A. Yamamoto, S. Yamashita, Yu V. Yudin, D. Zanello

Research output: Contribution to journalArticle

91 Citations (Scopus)

Abstract

A search for the decay μ + →e + γ, performed at PSI and based on data from the initial three months of operation of the MEG experiment, yields an upper limit on the branching ratio of BR(μ +e +γ)≤2.8×10 -11 (90% C.L.). This corresponds to the measurement of positrons and photons from ∼10 14 stopped μ + -decays by means of a superconducting positron spectrometer and a 900 litre liquid xenon photon detector.

Original languageEnglish
Pages (from-to)1-12
Number of pages12
JournalNuclear Physics B
Volume834
Issue number1-2
DOIs
Publication statusPublished - 2010 Jul 1
Externally publishedYes

Fingerprint

positrons
photons
decay
xenon
spectrometers
detectors
liquids

Keywords

  • Lepton flavour violation
  • Muon decay

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

Adam, J., Bai, X., Baldini, A., Baracchini, E., Barchiesi, A., Bemporad, C., ... Zanello, D. (2010). A limit for the μ→eγ decay from the MEG experiment. Nuclear Physics B, 834(1-2), 1-12. https://doi.org/10.1016/j.nuclphysb.2010.03.030

A limit for the μ→eγ decay from the MEG experiment. / Adam, J.; Bai, X.; Baldini, A.; Baracchini, E.; Barchiesi, A.; Bemporad, C.; Boca, G.; Cattaneo, P. W.; Cavoto, G.; Cecchet, G.; Cei, F.; Cerri, C.; De Bari, A.; De Gerone, M.; Doke, T.; Dussoni, S.; Egger, J.; Galli, L.; Gallucci, G.; Gatti, F.; Golden, B.; Grassi, M.; Grigoriev, D. N.; Haruyama, T.; Hildebrandt, M.; Hisamatsu, Y.; Ignatov, F.; Iwamoto, T.; Kaneko, D.; Kettle, P. R.; Khazin, B. I.; Kiselev, O.; Korenchenko, A.; Kravchuk, N.; Maki, A.; Mihara, S.; Molzon, W.; Mori, T.; Mzavia, D.; Natori, H.; Nardò, R.; Nicolò, D.; Nishiguchi, H.; Nishimura, Yasuhiro; Ootani, W.; Panareo, M.; Papa, A.; Pazzi, R.; Piredda, G.; Popov, A.; Renga, F.; Ritt, S.; Rossella, M.; Sawada, R.; Schneebeli, M.; Sergiampietri, F.; Signorelli, G.; Suzuki, S.; Topchyan, C.; Tumakov, V.; Uchiyama, Y.; Valle, R.; Voena, C.; Xiao, F.; Yamada, S.; Yamamoto, A.; Yamashita, S.; Yudin, Yu V.; Zanello, D.

In: Nuclear Physics B, Vol. 834, No. 1-2, 01.07.2010, p. 1-12.

Research output: Contribution to journalArticle

Adam, J, Bai, X, Baldini, A, Baracchini, E, Barchiesi, A, Bemporad, C, Boca, G, Cattaneo, PW, Cavoto, G, Cecchet, G, Cei, F, Cerri, C, De Bari, A, De Gerone, M, Doke, T, Dussoni, S, Egger, J, Galli, L, Gallucci, G, Gatti, F, Golden, B, Grassi, M, Grigoriev, DN, Haruyama, T, Hildebrandt, M, Hisamatsu, Y, Ignatov, F, Iwamoto, T, Kaneko, D, Kettle, PR, Khazin, BI, Kiselev, O, Korenchenko, A, Kravchuk, N, Maki, A, Mihara, S, Molzon, W, Mori, T, Mzavia, D, Natori, H, Nardò, R, Nicolò, D, Nishiguchi, H, Nishimura, Y, Ootani, W, Panareo, M, Papa, A, Pazzi, R, Piredda, G, Popov, A, Renga, F, Ritt, S, Rossella, M, Sawada, R, Schneebeli, M, Sergiampietri, F, Signorelli, G, Suzuki, S, Topchyan, C, Tumakov, V, Uchiyama, Y, Valle, R, Voena, C, Xiao, F, Yamada, S, Yamamoto, A, Yamashita, S, Yudin, YV & Zanello, D 2010, 'A limit for the μ→eγ decay from the MEG experiment', Nuclear Physics B, vol. 834, no. 1-2, pp. 1-12. https://doi.org/10.1016/j.nuclphysb.2010.03.030
Adam J, Bai X, Baldini A, Baracchini E, Barchiesi A, Bemporad C et al. A limit for the μ→eγ decay from the MEG experiment. Nuclear Physics B. 2010 Jul 1;834(1-2):1-12. https://doi.org/10.1016/j.nuclphysb.2010.03.030
Adam, J. ; Bai, X. ; Baldini, A. ; Baracchini, E. ; Barchiesi, A. ; Bemporad, C. ; Boca, G. ; Cattaneo, P. W. ; Cavoto, G. ; Cecchet, G. ; Cei, F. ; Cerri, C. ; De Bari, A. ; De Gerone, M. ; Doke, T. ; Dussoni, S. ; Egger, J. ; Galli, L. ; Gallucci, G. ; Gatti, F. ; Golden, B. ; Grassi, M. ; Grigoriev, D. N. ; Haruyama, T. ; Hildebrandt, M. ; Hisamatsu, Y. ; Ignatov, F. ; Iwamoto, T. ; Kaneko, D. ; Kettle, P. R. ; Khazin, B. I. ; Kiselev, O. ; Korenchenko, A. ; Kravchuk, N. ; Maki, A. ; Mihara, S. ; Molzon, W. ; Mori, T. ; Mzavia, D. ; Natori, H. ; Nardò, R. ; Nicolò, D. ; Nishiguchi, H. ; Nishimura, Yasuhiro ; Ootani, W. ; Panareo, M. ; Papa, A. ; Pazzi, R. ; Piredda, G. ; Popov, A. ; Renga, F. ; Ritt, S. ; Rossella, M. ; Sawada, R. ; Schneebeli, M. ; Sergiampietri, F. ; Signorelli, G. ; Suzuki, S. ; Topchyan, C. ; Tumakov, V. ; Uchiyama, Y. ; Valle, R. ; Voena, C. ; Xiao, F. ; Yamada, S. ; Yamamoto, A. ; Yamashita, S. ; Yudin, Yu V. ; Zanello, D. / A limit for the μ→eγ decay from the MEG experiment. In: Nuclear Physics B. 2010 ; Vol. 834, No. 1-2. pp. 1-12.
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abstract = "A search for the decay μ + →e + γ, performed at PSI and based on data from the initial three months of operation of the MEG experiment, yields an upper limit on the branching ratio of BR(μ + → e +γ)≤2.8×10 -11 (90{\%} C.L.). This corresponds to the measurement of positrons and photons from ∼10 14 stopped μ + -decays by means of a superconducting positron spectrometer and a 900 litre liquid xenon photon detector.",
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AU - Bai, X.

AU - Baldini, A.

AU - Baracchini, E.

AU - Barchiesi, A.

AU - Bemporad, C.

AU - Boca, G.

AU - Cattaneo, P. W.

AU - Cavoto, G.

AU - Cecchet, G.

AU - Cei, F.

AU - Cerri, C.

AU - De Bari, A.

AU - De Gerone, M.

AU - Doke, T.

AU - Dussoni, S.

AU - Egger, J.

AU - Galli, L.

AU - Gallucci, G.

AU - Gatti, F.

AU - Golden, B.

AU - Grassi, M.

AU - Grigoriev, D. N.

AU - Haruyama, T.

AU - Hildebrandt, M.

AU - Hisamatsu, Y.

AU - Ignatov, F.

AU - Iwamoto, T.

AU - Kaneko, D.

AU - Kettle, P. R.

AU - Khazin, B. I.

AU - Kiselev, O.

AU - Korenchenko, A.

AU - Kravchuk, N.

AU - Maki, A.

AU - Mihara, S.

AU - Molzon, W.

AU - Mori, T.

AU - Mzavia, D.

AU - Natori, H.

AU - Nardò, R.

AU - Nicolò, D.

AU - Nishiguchi, H.

AU - Nishimura, Yasuhiro

AU - Ootani, W.

AU - Panareo, M.

AU - Papa, A.

AU - Pazzi, R.

AU - Piredda, G.

AU - Popov, A.

AU - Renga, F.

AU - Ritt, S.

AU - Rossella, M.

AU - Sawada, R.

AU - Schneebeli, M.

AU - Sergiampietri, F.

AU - Signorelli, G.

AU - Suzuki, S.

AU - Topchyan, C.

AU - Tumakov, V.

AU - Uchiyama, Y.

AU - Valle, R.

AU - Voena, C.

AU - Xiao, F.

AU - Yamada, S.

AU - Yamamoto, A.

AU - Yamashita, S.

AU - Yudin, Yu V.

AU - Zanello, D.

PY - 2010/7/1

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KW - Lepton flavour violation

KW - Muon decay

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