Precision measurement of the positive muon lifetime by the MuLan collaboration

V. Tishchenko; S. Battu; R. M. Carey; D. B. Chitwood; J. Crnkovic; P. T. Debevec; S. Dhamija; W. Earle; A. Gafarov; K. Giovanetti; T. P. Gorringe; F. E. Gray; Z. Hartwig; D. W. Hertzog; B. Johnson; P. Kammel; B. Kiburg; S. Kizilgul; J. Kunkle; B. Lauss; I. Logashenko; K. R. Lynch; R. McNabb; J. P. Miller; F. Mulhauser; C. J.G. Onderwater; Q. Peng; J. Phillips; S. Rath; B. L. Roberts; V. Tishchenko; D. M. Webber; P. Winter; B. Wolfe

doi:10.1016/j.nuclphysbps.2012.02.048

Precision measurement of the positive muon lifetime by the MuLan collaboration

V. Tishchenko, S. Battu, R. M. Carey, D. B. Chitwood, J. Crnkovic, P. T. Debevec, S. Dhamija, W. Earle, A. Gafarov, K. Giovanetti, T. P. Gorringe, F. E. Gray, Z. Hartwig, D. W. Hertzog, B. Johnson, P. Kammel, B. Kiburg, S. Kizilgul, J. Kunkle, B. LaussI. Logashenko, K. R. Lynch, R. McNabb, J. P. Miller, F. Mulhauser, C. J.G. Onderwater, Q. Peng, J. Phillips, S. Rath, B. L. Roberts, V. Tishchenko, D. M. Webber, P. Winter, B. Wolfe

Physics And Astronomy

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Abstract

We report the result of a measurement of the positive muon lifetime τ _μ to one part-per-million (ppm) by the MuLan collaboration using a low-energy pulsed muon beam and a segmented array of plastic scintillators to record over 2×10 ¹² decay positrons. Two different in-vacuum muon-stopping targets were used in separate data-taking periods. The combined result gives τμ+(MuLan)=2196980.3(2.2)ps(1ppm). This measurement of the muon lifetime provides the most precise determination of the Fermi constant, G _F(MuLan)=1.1663788(7)×10 ^-5 GeV ^-2(0.6 ppm), and will be used to extract the capture rates of the negative muon on the proton and the deuteron in the ongoing MuCap and MuSun experiments.

Original language	English
Pages (from-to)	232-235
Number of pages	4
Journal	Nuclear Physics B - Proceedings Supplements
Volume	225-227
DOIs	https://doi.org/10.1016/j.nuclphysbps.2012.02.048
State	Published - Apr 2012

Bibliographical note

Funding Information:
The financial support during this project was provided by the National Science Foundation (NSF). The data analysis for this work was supported by the National Center for Supercomputing (NCSA). We thank PSI for support and provision of muon beamtime, and TRIUMF for the kicker design.

Keywords

Fermi constant
Muon lifetime

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Nuclear and High Energy Physics

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10.1016/j.nuclphysbps.2012.02.048

Cite this

Tishchenko, V., Battu, S., Carey, R. M., Chitwood, D. B., Crnkovic, J., Debevec, P. T., Dhamija, S., Earle, W., Gafarov, A., Giovanetti, K., Gorringe, T. P., Gray, F. E., Hartwig, Z., Hertzog, D. W., Johnson, B., Kammel, P., Kiburg, B., Kizilgul, S., Kunkle, J., ... Wolfe, B. (2012). Precision measurement of the positive muon lifetime by the MuLan collaboration. Nuclear Physics B - Proceedings Supplements, 225-227, 232-235. https://doi.org/10.1016/j.nuclphysbps.2012.02.048

@article{e780d014a4fe4c789b03eef2752b86a5,

title = "Precision measurement of the positive muon lifetime by the MuLan collaboration",

abstract = "We report the result of a measurement of the positive muon lifetime τ μ to one part-per-million (ppm) by the MuLan collaboration using a low-energy pulsed muon beam and a segmented array of plastic scintillators to record over 2×10 12 decay positrons. Two different in-vacuum muon-stopping targets were used in separate data-taking periods. The combined result gives τμ+(MuLan)=2196980.3(2.2)ps(1ppm). This measurement of the muon lifetime provides the most precise determination of the Fermi constant, G F(MuLan)=1.1663788(7)×10 -5 GeV -2(0.6 ppm), and will be used to extract the capture rates of the negative muon on the proton and the deuteron in the ongoing MuCap and MuSun experiments.",

keywords = "Fermi constant, Muon lifetime",

author = "V. Tishchenko and S. Battu and Carey, {R. M.} and Chitwood, {D. B.} and J. Crnkovic and Debevec, {P. T.} and S. Dhamija and W. Earle and A. Gafarov and K. Giovanetti and Gorringe, {T. P.} and Gray, {F. E.} and Z. Hartwig and Hertzog, {D. W.} and B. Johnson and P. Kammel and B. Kiburg and S. Kizilgul and J. Kunkle and B. Lauss and I. Logashenko and Lynch, {K. R.} and R. McNabb and Miller, {J. P.} and F. Mulhauser and Onderwater, {C. J.G.} and Q. Peng and J. Phillips and S. Rath and Roberts, {B. L.} and V. Tishchenko and Webber, {D. M.} and P. Winter and B. Wolfe",

note = "Funding Information: The financial support during this project was provided by the National Science Foundation (NSF). The data analysis for this work was supported by the National Center for Supercomputing (NCSA). We thank PSI for support and provision of muon beamtime, and TRIUMF for the kicker design.",

year = "2012",

month = apr,

doi = "10.1016/j.nuclphysbps.2012.02.048",

language = "English",

volume = "225-227",

pages = "232--235",

}

Tishchenko, V, Battu, S, Carey, RM, Chitwood, DB, Crnkovic, J, Debevec, PT, Dhamija, S, Earle, W, Gafarov, A, Giovanetti, K, Gorringe, TP, Gray, FE, Hartwig, Z, Hertzog, DW, Johnson, B, Kammel, P, Kiburg, B, Kizilgul, S, Kunkle, J, Lauss, B, Logashenko, I, Lynch, KR, McNabb, R, Miller, JP, Mulhauser, F, Onderwater, CJG, Peng, Q, Phillips, J, Rath, S, Roberts, BL, Tishchenko, V, Webber, DM, Winter, P & Wolfe, B 2012, 'Precision measurement of the positive muon lifetime by the MuLan collaboration', Nuclear Physics B - Proceedings Supplements, vol. 225-227, pp. 232-235. https://doi.org/10.1016/j.nuclphysbps.2012.02.048

TY - JOUR

T1 - Precision measurement of the positive muon lifetime by the MuLan collaboration

AU - Tishchenko, V.

AU - Battu, S.

AU - Carey, R. M.

AU - Chitwood, D. B.

AU - Crnkovic, J.

AU - Debevec, P. T.

AU - Dhamija, S.

AU - Earle, W.

AU - Gafarov, A.

AU - Giovanetti, K.

AU - Gorringe, T. P.

AU - Gray, F. E.

AU - Hartwig, Z.

AU - Hertzog, D. W.

AU - Johnson, B.

AU - Kammel, P.

AU - Kiburg, B.

AU - Kizilgul, S.

AU - Kunkle, J.

AU - Lauss, B.

AU - Logashenko, I.

AU - Lynch, K. R.

AU - McNabb, R.

AU - Miller, J. P.

AU - Mulhauser, F.

AU - Onderwater, C. J.G.

AU - Peng, Q.

AU - Phillips, J.

AU - Rath, S.

AU - Roberts, B. L.

AU - Tishchenko, V.

AU - Webber, D. M.

AU - Winter, P.

AU - Wolfe, B.

N1 - Funding Information: The financial support during this project was provided by the National Science Foundation (NSF). The data analysis for this work was supported by the National Center for Supercomputing (NCSA). We thank PSI for support and provision of muon beamtime, and TRIUMF for the kicker design.

PY - 2012/4

Y1 - 2012/4

N2 - We report the result of a measurement of the positive muon lifetime τ μ to one part-per-million (ppm) by the MuLan collaboration using a low-energy pulsed muon beam and a segmented array of plastic scintillators to record over 2×10 12 decay positrons. Two different in-vacuum muon-stopping targets were used in separate data-taking periods. The combined result gives τμ+(MuLan)=2196980.3(2.2)ps(1ppm). This measurement of the muon lifetime provides the most precise determination of the Fermi constant, G F(MuLan)=1.1663788(7)×10 -5 GeV -2(0.6 ppm), and will be used to extract the capture rates of the negative muon on the proton and the deuteron in the ongoing MuCap and MuSun experiments.

AB - We report the result of a measurement of the positive muon lifetime τ μ to one part-per-million (ppm) by the MuLan collaboration using a low-energy pulsed muon beam and a segmented array of plastic scintillators to record over 2×10 12 decay positrons. Two different in-vacuum muon-stopping targets were used in separate data-taking periods. The combined result gives τμ+(MuLan)=2196980.3(2.2)ps(1ppm). This measurement of the muon lifetime provides the most precise determination of the Fermi constant, G F(MuLan)=1.1663788(7)×10 -5 GeV -2(0.6 ppm), and will be used to extract the capture rates of the negative muon on the proton and the deuteron in the ongoing MuCap and MuSun experiments.

KW - Fermi constant

KW - Muon lifetime

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U2 - 10.1016/j.nuclphysbps.2012.02.048

DO - 10.1016/j.nuclphysbps.2012.02.048

M3 - Article

AN - SCOPUS:84861737846

SN - 0920-5632

VL - 225-227

SP - 232

EP - 235

JO - Nuclear Physics B - Proceedings Supplements

JF - Nuclear Physics B - Proceedings Supplements

ER -

Precision measurement of the positive muon lifetime by the MuLan collaboration

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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