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A compact frozen-spin trap for the search for the electric dipole moment of the muon

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A compact frozen-spin trap for the search for the electric dipole moment of the muon. / Adelmann, A.; Bainbridge, A. R.; Bailey, I. et al.
In: European Physical Journal C: Particles and Fields, Vol. 85, No. 6, 622, 30.06.2025.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Adelmann, A, Bainbridge, AR, Bailey, I, Baldini, A, Basnet, S, Berger, N, Bianco, L, Calzolaio, C, Caminada, L, Cavoto, G, Cei, F, Chakraborty, R, Barajas Chavez, C, Chiappini, M, Chislett, R, Crivellin, A, Dutsov, C, Ebrahimi, A, Francesconi, M, Galli, L, Gallucci, G, Giovannozzi, M, Goyal, H, Grassi, M, Gurgone, A, Hesketh, G, Hildebrandt, M, Hoferichter, M, Hoh, SY, Höhl, D, Hu, T, Hume, T, Jaeger, JA, Juknevicius, P, Kästli, HC, Keshavarzi, A, Khaw, KS, Kirch, K, Kozlinskiy, A, Lancaster, M, Leonetti, F, Märkisch, B, Morvaj, L, Papa, A, Paraliev, M, Pasciuto, D, Price, J, Renga, F, Sakurai, M, Sanz-Becerra, D, Schmidt-Wellenburg, P, Shang, YZ, Takeuchi, Y, Tegano, ME, Teubner, T, Trillaud, F, Uglietti, D, Vasilkova, D, Venturini, A, Vitali, B, Voena, C, Vossebeld, J, Wauters, F, Wong, GM & Zeng, Y 2025, 'A compact frozen-spin trap for the search for the electric dipole moment of the muon', European Physical Journal C: Particles and Fields, vol. 85, no. 6, 622. https://doi.org/10.1140/epjc/s10052-025-14295-7

APA

Adelmann, A., Bainbridge, A. R., Bailey, I., Baldini, A., Basnet, S., Berger, N., Bianco, L., Calzolaio, C., Caminada, L., Cavoto, G., Cei, F., Chakraborty, R., Barajas Chavez, C., Chiappini, M., Chislett, R., Crivellin, A., Dutsov, C., Ebrahimi, A., Francesconi, M., ... Zeng, Y. (2025). A compact frozen-spin trap for the search for the electric dipole moment of the muon. European Physical Journal C: Particles and Fields, 85(6), Article 622. Advance online publication. https://doi.org/10.1140/epjc/s10052-025-14295-7

Vancouver

Adelmann A, Bainbridge AR, Bailey I, Baldini A, Basnet S, Berger N et al. A compact frozen-spin trap for the search for the electric dipole moment of the muon. European Physical Journal C: Particles and Fields. 2025 Jun 30;85(6):622. Epub 2025 Jun 6. doi: 10.1140/epjc/s10052-025-14295-7

Author

Adelmann, A. ; Bainbridge, A. R. ; Bailey, I. et al. / A compact frozen-spin trap for the search for the electric dipole moment of the muon. In: European Physical Journal C: Particles and Fields. 2025 ; Vol. 85, No. 6.

Bibtex

@article{fe339edf2d614dc8b7ae4e7657003f3d,
title = "A compact frozen-spin trap for the search for the electric dipole moment of the muon",
abstract = "Electric dipole moments (EDM) of fundamental particles inherently violate time-reversal (T) and the combined charge-conjugation and parity symmetry (CP). We aim to measure the EDM of the muon using the frozen-spin technique within a compact storage trap. This method exploits the high effective electric field, E≈165MV/m, experienced in the rest frame of the muon with a momentum of about 23MeV/c when it passes through a solenoidal magnetic field of |B→|=2.5T. In this paper, we outline the fundamental considerations for a muon EDM search and present a conceptual design for a demonstration experiment to be conducted at secondary muon beamlines of the Paul Scherrer Institute in Switzerland. In Phase I, with an anticipated data acquisition period of 200 days, the expected sensitivity to a muon EDM is σ(d)≤4E-21e·cm. In a subsequent phase, Phase II, we propose to improve the sensitivity to σ(d)≤6E-23e·cm using a dedicated instrument installed on a different beamline that produces muons of momentum 125 MeV/c.",
author = "A. Adelmann and Bainbridge, {A. R.} and I. Bailey and A. Baldini and S. Basnet and N. Berger and L. Bianco and C. Calzolaio and L. Caminada and G. Cavoto and F. Cei and R. Chakraborty and {Barajas Chavez}, C. and M. Chiappini and R. Chislett and A. Crivellin and C. Dutsov and A. Ebrahimi and M. Francesconi and L. Galli and G. Gallucci and M. Giovannozzi and H. Goyal and M. Grassi and A. Gurgone and G. Hesketh and M. Hildebrandt and M. Hoferichter and Hoh, {S. Y.} and D. H{\"o}hl and T. Hu and T. Hume and Jaeger, {J. A.} and P. Juknevicius and K{\"a}stli, {H. C.} and A. Keshavarzi and Khaw, {K. S.} and K. Kirch and A. Kozlinskiy and M. Lancaster and F. Leonetti and B. M{\"a}rkisch and L. Morvaj and A. Papa and M. Paraliev and D. Pasciuto and J. Price and F. Renga and M. Sakurai and D. Sanz-Becerra and P. Schmidt-Wellenburg and Shang, {Y. Z.} and Y. Takeuchi and Tegano, {M. E.} and T. Teubner and F. Trillaud and D. Uglietti and D. Vasilkova and A. Venturini and B. Vitali and C. Voena and J. Vossebeld and F. Wauters and Wong, {G. M.} and Y. Zeng",
year = "2025",
month = jun,
day = "6",
doi = "10.1140/epjc/s10052-025-14295-7",
language = "English",
volume = "85",
journal = "European Physical Journal C: Particles and Fields",
issn = "1434-6044",
publisher = "SPRINGER",
number = "6",

}

RIS

TY - JOUR

T1 - A compact frozen-spin trap for the search for the electric dipole moment of the muon

AU - Adelmann, A.

AU - Bainbridge, A. R.

AU - Bailey, I.

AU - Baldini, A.

AU - Basnet, S.

AU - Berger, N.

AU - Bianco, L.

AU - Calzolaio, C.

AU - Caminada, L.

AU - Cavoto, G.

AU - Cei, F.

AU - Chakraborty, R.

AU - Barajas Chavez, C.

AU - Chiappini, M.

AU - Chislett, R.

AU - Crivellin, A.

AU - Dutsov, C.

AU - Ebrahimi, A.

AU - Francesconi, M.

AU - Galli, L.

AU - Gallucci, G.

AU - Giovannozzi, M.

AU - Goyal, H.

AU - Grassi, M.

AU - Gurgone, A.

AU - Hesketh, G.

AU - Hildebrandt, M.

AU - Hoferichter, M.

AU - Hoh, S. Y.

AU - Höhl, D.

AU - Hu, T.

AU - Hume, T.

AU - Jaeger, J. A.

AU - Juknevicius, P.

AU - Kästli, H. C.

AU - Keshavarzi, A.

AU - Khaw, K. S.

AU - Kirch, K.

AU - Kozlinskiy, A.

AU - Lancaster, M.

AU - Leonetti, F.

AU - Märkisch, B.

AU - Morvaj, L.

AU - Papa, A.

AU - Paraliev, M.

AU - Pasciuto, D.

AU - Price, J.

AU - Renga, F.

AU - Sakurai, M.

AU - Sanz-Becerra, D.

AU - Schmidt-Wellenburg, P.

AU - Shang, Y. Z.

AU - Takeuchi, Y.

AU - Tegano, M. E.

AU - Teubner, T.

AU - Trillaud, F.

AU - Uglietti, D.

AU - Vasilkova, D.

AU - Venturini, A.

AU - Vitali, B.

AU - Voena, C.

AU - Vossebeld, J.

AU - Wauters, F.

AU - Wong, G. M.

AU - Zeng, Y.

PY - 2025/6/6

Y1 - 2025/6/6

N2 - Electric dipole moments (EDM) of fundamental particles inherently violate time-reversal (T) and the combined charge-conjugation and parity symmetry (CP). We aim to measure the EDM of the muon using the frozen-spin technique within a compact storage trap. This method exploits the high effective electric field, E≈165MV/m, experienced in the rest frame of the muon with a momentum of about 23MeV/c when it passes through a solenoidal magnetic field of |B→|=2.5T. In this paper, we outline the fundamental considerations for a muon EDM search and present a conceptual design for a demonstration experiment to be conducted at secondary muon beamlines of the Paul Scherrer Institute in Switzerland. In Phase I, with an anticipated data acquisition period of 200 days, the expected sensitivity to a muon EDM is σ(d)≤4E-21e·cm. In a subsequent phase, Phase II, we propose to improve the sensitivity to σ(d)≤6E-23e·cm using a dedicated instrument installed on a different beamline that produces muons of momentum 125 MeV/c.

AB - Electric dipole moments (EDM) of fundamental particles inherently violate time-reversal (T) and the combined charge-conjugation and parity symmetry (CP). We aim to measure the EDM of the muon using the frozen-spin technique within a compact storage trap. This method exploits the high effective electric field, E≈165MV/m, experienced in the rest frame of the muon with a momentum of about 23MeV/c when it passes through a solenoidal magnetic field of |B→|=2.5T. In this paper, we outline the fundamental considerations for a muon EDM search and present a conceptual design for a demonstration experiment to be conducted at secondary muon beamlines of the Paul Scherrer Institute in Switzerland. In Phase I, with an anticipated data acquisition period of 200 days, the expected sensitivity to a muon EDM is σ(d)≤4E-21e·cm. In a subsequent phase, Phase II, we propose to improve the sensitivity to σ(d)≤6E-23e·cm using a dedicated instrument installed on a different beamline that produces muons of momentum 125 MeV/c.

U2 - 10.1140/epjc/s10052-025-14295-7

DO - 10.1140/epjc/s10052-025-14295-7

M3 - Journal article

VL - 85

JO - European Physical Journal C: Particles and Fields

JF - European Physical Journal C: Particles and Fields

SN - 1434-6044

IS - 6

M1 - 622

ER -