DOAJ Open Access 2025

Approaching 100Sn: Structural evolution in 98,100Cd via lifetime measurements

G. Zhang M. Polettini D. Mengoni G. Benzoni Z. Huang +178 lainnya

Abstrak

The lifetimes of low-lying excited states below the 8+ seniority isomer were directly measured using fast timing detectors in the neutron-deficient isotopes 98,100Cd. This experiment was conducted with the DEcay SPECtroscopy (DESPEC) setup at GSI, where the ions of interest were produced via a fragmentation reaction and identified using the FRagment Separator (FRS) before being implanted in the AIDA active stopper system, and the γ rays emitted during the de-excitation of isomeric states were detected by the LaBr3 FATIMA Array. The newly deduced values for the reduced transition probabilities were compared with shell-model calculations using different interactions and effective charges. The results indicate that, while 98Cd aligns well with a seniority scheme description, in 100Cd the transition strengths among low-lying states are not fully reproduced, and the nature of these states remains an open problem within the present theoretical description. Ultimately, a key element in the description of this region, crucial for nuclear physics and astrophysics, appears to be the proton-neutron term of the nuclear effective interaction.

Topik & Kata Kunci

Penulis (183)

G

G. Zhang

M

M. Polettini

D

D. Mengoni

G

G. Benzoni

Z

Z. Huang

M

M. Górska

A

A. Blazhev

L

L.M. Fraile

A

A. Gargano

G

G. De Gregorio

F

F. Nowacki

G

G. Aggez

U

U. Ahmed

O

O. Aktas

M

M. Al-Aqeel

B

B. Alayed

H

H.M. Albers

A

A. Algora

S

S. Alhomaidhi

F

F. Amjad

C

C. Appleton

T

T. Arıcı

M

M. Armstrong

B

B.Q. Arnés

A

A. Astier

M

M. Balogh

A

A. Banerjee

D

D. Bazzacco

J

J. Benito Garcìa

S

S. Bottoni

P

P. Boutachkov

A

A. Bracco

A

A. Bruce

D

D. Brugnara

C

C. Bruno

F

F. Camera

B

B. Cederwall

M

M. Cicerchia

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M.M.R. Chishti

A

A. Corsi

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M.L. Cortes

D

D. Cox

F

F.C.L. Crespi

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B. Das

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T. Davidson

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G. de Angelis

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M. Doncel

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L. Gaffney

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E. Haettner

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V. Karayonchev

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A

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G.-S. Li

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R

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J.B. Lu

M

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G

G. Mantovani

T

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M

M. Mazzocco

R

R. Menegazzo

T

T.J. Mertzimekis

M

M. Mikolajczuk

B

B. Million

A

A.K. Mistry

I

I. Mukha

E

E. Nacher

D

D.R. Napoli

B

B.S. Nara Singh

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S.E.A. Orrigo

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R.D. Page

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P. Papadakis

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G. Pasqualato

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N. Pietralla

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S. Pietri

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Zs. Podolyák

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C. Porzio

A

A. Raggio

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J.M. Régis

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P. Reiter

K

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H

H. Rösch

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P. Roy

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M

M. Rudigier

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E. Sahin

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L.G. Sarmiento

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M.-M. Satrazani

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H. Schaffner

C

Ch. Scheidenberger

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A

A. Sharma

M

M. Siciliano

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J. Simpson

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J. Smallcombe

P

P. Söderström

D

D. Sohler

A

A. Sood

F

F. Soramel

B

B.-H. Sun

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H.B. Sun

A

A. Sveiczer

N

N. Szegedi

Y

Y.K. Tanaka

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J.J. Valiente-Dobón

P

P. Vasileiou

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J. Vesic

M

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L

L. Waring

H

H. Watanabe

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V. Werner

J

J. Wiederhold

O

O. Wieland

K

K. Wimmer

H

H.-J. Wollersheim

P

P. Woods

J

J. Wu

A

A. Yaneva

I

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J

J. Zhao

H

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G.L. Zhang

K

K.K. Zheng

L

L.H. Zhu

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S

S. Ziliani

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Format Sitasi

Zhang, G., Polettini, M., Mengoni, D., Benzoni, G., Huang, Z., Górska, M. et al. (2025). Approaching 100Sn: Structural evolution in 98,100Cd via lifetime measurements. https://doi.org/10.1016/j.physletb.2025.139378

Akses Cepat

Informasi Jurnal
Tahun Terbit
2025
Sumber Database
DOAJ
DOI
10.1016/j.physletb.2025.139378
Akses
Open Access ✓