|Appears in Collections:||Biological and Environmental Sciences Journal Articles|
|Peer Review Status:||Refereed|
|Title:||A new avenue in the search for CP violation: Mössbauer spectroscopy of 227Ac|
Nuclear Zeeman effect
|Citation:||Scheck M, Chapman R, Dobaczewski J, Ederer C, Ivanov P, Lorusso G, O'Donnell D & Schröder C (2023) A new avenue in the search for CP violation: Mössbauer spectroscopy of 227Ac. <i>European Physical Journal A: Hadrons and Nuclei</i>.|
|Abstract:||This work proposes a new avenue in the search for CP-violating odd-electric and even-magnetic nuclear moments. A promising candidate to find such moments in the ground state is the quadrupole-deformed and octupole-correlated nucleus 227-actinium. In this nucleus, the 27.4-keV E1 transition that connects the 3/2+ parity-doublet partner and the 3/2− ground state is perfectly suited to apply the sensitive technique of recoil-free selfabsorption, commonly known as Mössbauer spectroscopy. In this experimental approach, the lifetime of the 3/2+ upper parity-doublet partner allows an estimate of the lower limit of ΔE = 2 · Γγ = 23.7(1) × 10−9 eV for the achievable energy resolution to be made. This resolution must be exceeded by the interaction of a CP-violating moment and the corresponding multipole moment of the field distribution in the lattice. This work presents the first ideas for patterns caused by CP-violating moments on the expected quadrupole splitting and nuclear Zeeman effect.|
|Rights:||This item has been embargoed for a period. During the embargo please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author. You can only request a copy if you wish to use this work for your own research or private study. This is a post-peer-review, pre-copyedit version of an article published in European Physical Journal A: Hadrons and Nuclei. The final authenticated version will be available online at: https://www.springer.com/journal/10050|
|Notes:||Output Status: Forthcoming|
|227Ac_EPJA_NP.pdf||Fulltext - Accepted Version||498.56 kB||Adobe PDF||Under Embargo until 2026-04-05 Request a copy|
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