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From the same journal

Physical Review Letters (Journal)
Henning Bostelmann (Reviewer)
2020
Activity: Publication peer-review and editorial work › Journal peer review
Physical Review Letters (Journal)
Richard Francis Llewelyn Evans (Reviewer)
2015 → 2016
Activity: Publication peer-review and editorial work › Journal peer review
Physical Review Letters (Journal)
Brian Robert Fulton (Reviewer)
2013
Activity: Publication peer-review and editorial work › Journal peer review
Physical Review Letters (Journal)
Brian Robert Fulton (Reviewer)
2012
Activity: Publication peer-review and editorial work › Journal peer review
Physical Review Letters (Journal)
Mitya Pushkin (Referee)
2011 → 2015
Activity: Publication peer-review and editorial work › Journal peer review

Research output: Contribution to journal › Article › peer-review

Full text download(s)

2101.02363v1
636 KB, PDF document

Published copy (DOI)

10.1103/PhysRevLett.126.072501

Author(s)

K Wimmer
W Korten
P Doornenbal
T Arici
P Aguilera
A Algora
T Ando
H Baba
B Blank
A Boso
S Chen
A Corsi
G de Angelis
G de France
J-P Delaroche
J Gerl
R Gernhäuser
M Girod
S Koyama
T Motobayashi
S Nagamine
M Niikura
A Obertelli
J Libert
D Lubos
T R Rodríguez
B Rubio
E Sahin
T Y Saito
H Sakurai
L Sinclair
D Steppenbeck
M Zielinska

Department/unit(s)

Physics

Publication details

Journal	Physical Review Letters
Date	Accepted/In press - 7 Jan 2021
Date	Published (current) - 19 Feb 2021
Issue number	7
Volume	126
Pages (from-to)	072501
Original language	English

Abstract

We studied the proton-rich T_{z}=-1 nucleus ^{70}Kr through inelastic scattering at intermediate energies in order to extract the reduced transition probability, B(E2;0^{+}→2^{+}). Comparison with the other members of the A=70 isospin triplet, ^{70}Br and ^{70}Se, studied in the same experiment, shows a 3σ deviation from the expected linearity of the electromagnetic matrix elements as a function of T_{z}. At present, no established nuclear structure theory can describe this observed deviation quantitatively. This is the first violation of isospin symmetry at this level observed in the transition matrix elements. A heuristic approach may explain the anomaly by a shape change between the mirror nuclei ^{70}Kr and ^{70}Se contrary to the model predictions.

Bibliographical note

accepted PRL

Research areas

nucl-ex, nucl-th

Projects

Nuclear Physics Consolidated Grant
Project: Research project (funded) › Research
Nuclear Physics Consolidated Grant
Project: Research project (funded) › Research
Nuclear Physics Consolidated Grant
Project: Research project (funded) › Research
Nuclear Physics Consolidated Grant
Project: Research project (funded) › Research

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