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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

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2101.02363v1
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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
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, $B(E2;\;0^+ \rightarrow 2^+)$. Comparison with the other members of the $A=70$ isospin triplet, $^{70}$Br and $^{70}$Se, studied in the same experiment, shows a $3\sigma$ 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

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