The observation of vibrating pear-shapes in radon nuclei

P.A. Butler, L.P. Gaffney, P. Spagnoletti, J. Konki, M. Scheck, J.F. Smith, K. Abrahams, M. Bowry, J. Cederkäll, T. Chupp, G. de Angelis, H. De Witte, P.E. Garrett, A. Goldkuhle, C. Henrich, A. Illana, K. Johnston, D.T. Joss, J.M. Keatings, N.A. Kelly & 24 others M. Komorowska, T. Kröll, M. Lozano, B.S. Nara Singh, D. O'Donnell, J. Ojala, R.D. Page, L.G. Pedersen, C. Raison, P. Reiter, J.A. Rodriguez, D. Rosiak, S. Rothe, T.M. Shneidman, B. Siebeck, M. Seidlitz, J. Sinclair, M. Stryjczyk, P. Van Duppen, S. Vinals, V. Virtanen, N. Warr, K. Wrzosek-Lipska, M. Zielinska

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Abstract

There is a large body of evidence that atomic nuclei can undergo octupole distortion and assume the shape of a pear. This phenomenon is important for measurements of electric-dipole moments of atoms, which would indicate CP violation and hence probe physics beyond the Standard Model of particle physics. Isotopes of both radon and radium have been identified as candidates for such measurements. Here, we observed the low-lying quantum states in 224Rn and 226Rn by accelerating beams of these radioactive nuclei. We show that radon isotopes undergo octupole vibrations but do not possess static pear-shapes in their ground states. We conclude that radon atoms provide less favourable conditions for the enhancement of a measurable atomic electric-dipole moment.
Original languageEnglish
Article number2473 (2019)
JournalNature Communications
Volume10
DOIs
Publication statusPublished - 6 Jun 2019

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Pyrus
Radon
electric moments
radon
Electric dipole moments
electric dipoles
dipole moments
Physics
Observation
radon isotopes
Isotopes
radium
physics
nuclei
CP violation
atoms
Radium
Atoms
High energy physics
isotopes

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Butler, P.A. ; Gaffney, L.P. ; Spagnoletti, P. ; Konki, J. ; Scheck, M. ; Smith, J.F. ; Abrahams, K. ; Bowry, M. ; Cederkäll, J. ; Chupp, T. ; de Angelis, G. ; De Witte, H. ; Garrett, P.E. ; Goldkuhle, A. ; Henrich, C. ; Illana, A. ; Johnston, K. ; Joss, D.T. ; Keatings, J.M. ; Kelly, N.A. ; Komorowska, M. ; Kröll, T. ; Lozano, M. ; Nara Singh, B.S. ; O'Donnell, D. ; Ojala, J. ; Page, R.D. ; Pedersen, L.G. ; Raison, C. ; Reiter, P. ; Rodriguez, J.A. ; Rosiak, D. ; Rothe, S. ; Shneidman, T.M. ; Siebeck, B. ; Seidlitz, M. ; Sinclair, J. ; Stryjczyk, M. ; Van Duppen, P. ; Vinals, S. ; Virtanen, V. ; Warr, N. ; Wrzosek-Lipska, K. ; Zielinska, M. / The observation of vibrating pear-shapes in radon nuclei. In: Nature Communications. 2019 ; Vol. 10.
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abstract = "There is a large body of evidence that atomic nuclei can undergo octupole distortion and assume the shape of a pear. This phenomenon is important for measurements of electric-dipole moments of atoms, which would indicate CP violation and hence probe physics beyond the Standard Model of particle physics. Isotopes of both radon and radium have been identified as candidates for such measurements. Here, we observed the low-lying quantum states in 224Rn and 226Rn by accelerating beams of these radioactive nuclei. We show that radon isotopes undergo octupole vibrations but do not possess static pear-shapes in their ground states. We conclude that radon atoms provide less favourable conditions for the enhancement of a measurable atomic electric-dipole moment.",
author = "P.A. Butler and L.P. Gaffney and P. Spagnoletti and J. Konki and M. Scheck and J.F. Smith and K. Abrahams and M. Bowry and J. Cederk{\"a}ll and T. Chupp and {de Angelis}, G. and {De Witte}, H. and P.E. Garrett and A. Goldkuhle and C. Henrich and A. Illana and K. Johnston and D.T. Joss and J.M. Keatings and N.A. Kelly and M. Komorowska and T. Kr{\"o}ll and M. Lozano and {Nara Singh}, B.S. and D. O'Donnell and J. Ojala and R.D. Page and L.G. Pedersen and C. Raison and P. Reiter and J.A. Rodriguez and D. Rosiak and S. Rothe and T.M. Shneidman and B. Siebeck and M. Seidlitz and J. Sinclair and M. Stryjczyk and {Van Duppen}, P. and S. Vinals and V. Virtanen and N. Warr and K. Wrzosek-Lipska and M. Zielinska",
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Butler, PA, Gaffney, LP, Spagnoletti, P, Konki, J, Scheck, M, Smith, JF, Abrahams, K, Bowry, M, Cederkäll, J, Chupp, T, de Angelis, G, De Witte, H, Garrett, PE, Goldkuhle, A, Henrich, C, Illana, A, Johnston, K, Joss, DT, Keatings, JM, Kelly, NA, Komorowska, M, Kröll, T, Lozano, M, Nara Singh, BS, O'Donnell, D, Ojala, J, Page, RD, Pedersen, LG, Raison, C, Reiter, P, Rodriguez, JA, Rosiak, D, Rothe, S, Shneidman, TM, Siebeck, B, Seidlitz, M, Sinclair, J, Stryjczyk, M, Van Duppen, P, Vinals, S, Virtanen, V, Warr, N, Wrzosek-Lipska, K & Zielinska, M 2019, 'The observation of vibrating pear-shapes in radon nuclei', Nature Communications, vol. 10, 2473 (2019). https://doi.org/10.1038/s41467-019-10494-5

The observation of vibrating pear-shapes in radon nuclei. / Butler, P.A.; Gaffney, L.P.; Spagnoletti, P.; Konki, J.; Scheck, M.; Smith, J.F. ; Abrahams, K.; Bowry, M.; Cederkäll, J.; Chupp, T.; de Angelis, G.; De Witte, H.; Garrett, P.E.; Goldkuhle, A.; Henrich, C.; Illana, A.; Johnston, K.; Joss, D.T.; Keatings, J.M.; Kelly, N.A.; Komorowska, M.; Kröll, T.; Lozano, M.; Nara Singh, B.S.; O'Donnell, D.; Ojala, J.; Page, R.D.; Pedersen, L.G.; Raison, C.; Reiter, P.; Rodriguez, J.A.; Rosiak, D.; Rothe, S.; Shneidman, T.M.; Siebeck, B.; Seidlitz, M.; Sinclair, J.; Stryjczyk, M.; Van Duppen, P.; Vinals, S.; Virtanen, V.; Warr, N.; Wrzosek-Lipska, K.; Zielinska, M.

In: Nature Communications, Vol. 10, 2473 (2019), 06.06.2019.

Research output: Contribution to journalArticle

TY - JOUR

T1 - The observation of vibrating pear-shapes in radon nuclei

AU - Butler, P.A.

AU - Gaffney, L.P.

AU - Spagnoletti, P.

AU - Konki, J.

AU - Scheck, M.

AU - Smith, J.F.

AU - Abrahams, K.

AU - Bowry, M.

AU - Cederkäll, J.

AU - Chupp, T.

AU - de Angelis, G.

AU - De Witte, H.

AU - Garrett, P.E.

AU - Goldkuhle, A.

AU - Henrich, C.

AU - Illana, A.

AU - Johnston, K.

AU - Joss, D.T.

AU - Keatings, J.M.

AU - Kelly, N.A.

AU - Komorowska, M.

AU - Kröll, T.

AU - Lozano, M.

AU - Nara Singh, B.S.

AU - O'Donnell, D.

AU - Ojala, J.

AU - Page, R.D.

AU - Pedersen, L.G.

AU - Raison, C.

AU - Reiter, P.

AU - Rodriguez, J.A.

AU - Rosiak, D.

AU - Rothe, S.

AU - Shneidman, T.M.

AU - Siebeck, B.

AU - Seidlitz, M.

AU - Sinclair, J.

AU - Stryjczyk, M.

AU - Van Duppen, P.

AU - Vinals, S.

AU - Virtanen, V.

AU - Warr, N.

AU - Wrzosek-Lipska, K.

AU - Zielinska, M.

PY - 2019/6/6

Y1 - 2019/6/6

N2 - There is a large body of evidence that atomic nuclei can undergo octupole distortion and assume the shape of a pear. This phenomenon is important for measurements of electric-dipole moments of atoms, which would indicate CP violation and hence probe physics beyond the Standard Model of particle physics. Isotopes of both radon and radium have been identified as candidates for such measurements. Here, we observed the low-lying quantum states in 224Rn and 226Rn by accelerating beams of these radioactive nuclei. We show that radon isotopes undergo octupole vibrations but do not possess static pear-shapes in their ground states. We conclude that radon atoms provide less favourable conditions for the enhancement of a measurable atomic electric-dipole moment.

AB - There is a large body of evidence that atomic nuclei can undergo octupole distortion and assume the shape of a pear. This phenomenon is important for measurements of electric-dipole moments of atoms, which would indicate CP violation and hence probe physics beyond the Standard Model of particle physics. Isotopes of both radon and radium have been identified as candidates for such measurements. Here, we observed the low-lying quantum states in 224Rn and 226Rn by accelerating beams of these radioactive nuclei. We show that radon isotopes undergo octupole vibrations but do not possess static pear-shapes in their ground states. We conclude that radon atoms provide less favourable conditions for the enhancement of a measurable atomic electric-dipole moment.

U2 - 10.1038/s41467-019-10494-5

DO - 10.1038/s41467-019-10494-5

M3 - Article

VL - 10

JO - Nature Communications

JF - Nature Communications

SN - 2041-1723

M1 - 2473 (2019)

ER -