Benchmarking the PreSPEC@GSI experiment for Coulex-multipolarimetry on the π(p3/2) → π(p1/2) spin-flip transition in 85Br

P. Napiralla; M. Lettmann; C. Stahl; G. Rainovski; N. Pietralla; S. Afara; F. Ameil; T. Arici; S. Aydin; D. Barrientos; P. Bednarczyk; M. A. Bentley; G. Benzoni; B. Birkenbach; A. Blazhev; A. J. Boston; P. Boutachkov; A. Bracco; B. Bruyneel; E. Clément; M. L. Cortés; F. C. L. Crespi; D. M. Cullen; D. Curien; P. Désesquelles; F. Didierjean; C. Domingo-Pardo; G. Duchêne; J. Eberth; H. Egger; C. Fahlander; J. Gerl; K. A. Gladnishki; P. Golubev; V. González; M. Górska; A. Gottardo; L. Grassi; T. Habermann; L. J. Harkness-Brennan; H. Hess; D. G. Jenkins; P. R. John; J. Jolie; D. S. Judson; I. Kojouharov; W. Korten; M. Labiche; N. Lalović; C. Lizarazo; C. Louchart-Henning; A. Maj; R. Menegazzo; D. Mengoni; E. Merchan; B. Million; O. Möller; T. Möller; K. Moschner; V. Modamio; D. Napoli; B. S. Nara Singh; Zs. Podolyak; S. Pietri; D. Ralet; M. Reese; P. Reiter; D. Rudolph; E. Sanchis; L. G. Sarmiento; H. Schaffner; J. Simpson; P. P. Singh; J. J. Valiente-Dobón; V. Werner; O. Wieland

doi:10.1140/epja/s10050-020-00148-2

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Benchmarking the PreSPEC@GSI experiment for Coulex-multipolarimetry on the π(<i>p</i><sub>3/2</sub>) → π(<i>p</i><sub>1/2</sub>) spin-flip transition in <sup>85</sup>Br

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Benchmarking the PreSPEC@GSI experiment for Coulex-multipolarimetry on the π(p_3/2) → π(p_1/2) spin-flip transition in ⁸⁵Br

P. Napiralla, M. Lettmann, C. Stahl, G. Rainovski, N. Pietralla, S. Afara, F. Ameil, T. Arici, S. Aydin, D. Barrientos, …

The European Physical Journal A, Vol.56(5)

25/05/2020

DOI: https://doi.org/10.1140/epja/s10050-020-00148-2

Abstract

A first performance test of the Coulomb excitation multipolarimetry (Coulex-multipolarimetry) method is presented. It is based on a ⁸⁵Br π(p_3/2) → π(p_1/2) spin-flip experiment performed as part of the PreSPEC-AGATA campaign at the GSI Helmholtzzentrum für Schwerionenforschung (GSI). Via determination of background levels around the expected ⁸⁵Br excitations as well as measured ¹⁹⁷Au excitations, an upper limit for the M1 transition strength of the 1/2⁻₁ → 3/2⁻_g.s. transition in ⁸⁵Br and a lower beam time limit for upcoming experimental campaigns utilizing Coulex-multipolarimetry have been inferred. The impact of the use of AGATA in its anticipated 1π configuration on these estimates is deduced via Geant4 simulations.

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Title: Benchmarking the PreSPEC@GSI experiment for Coulex-multipolarimetry on the π(p_3/2) → π(p_1/2) spin-flip transition in ⁸⁵Br
Creators: P. Napiralla
M. Lettmann
C. Stahl
G. Rainovski
N. Pietralla
S. Afara
F. Ameil
T. Arici
S. Aydin
D. Barrientos
P. Bednarczyk
M. A. Bentley
G. Benzoni
B. Birkenbach
A. Blazhev
A. J. Boston
P. Boutachkov
A. Bracco
B. Bruyneel
E. Clément
M. L. Cortés
F. C. L. Crespi
D. M. Cullen
D. Curien
P. Désesquelles
F. Didierjean
C. Domingo-Pardo
G. Duchêne
J. Eberth
H. Egger
C. Fahlander
J. Gerl
K. A. Gladnishki
P. Golubev
V. González
M. Górska
A. Gottardo
L. Grassi
T. Habermann
L. J. Harkness-Brennan
H. Hess
D. G. Jenkins
P. R. John
J. Jolie
D. S. Judson
I. Kojouharov
W. Korten
M. Labiche
N. Lalović
C. Lizarazo
C. Louchart-Henning
A. Maj
R. Menegazzo
D. Mengoni
E. Merchan
B. Million
O. Möller
T. Möller
K. Moschner
V. Modamio
D. Napoli
B. S. Nara Singh
Zs. Podolyak
S. Pietri
D. Ralet
M. Reese
P. Reiter
D. Rudolph
E. Sanchis
L. G. Sarmiento
H. Schaffner
J. Simpson
P. P. Singh
J. J. Valiente-Dobón
V. Werner
O. Wieland
Publication Details: The European Physical Journal A, Vol.56(5)
Publisher: EDP Sciences
Date published: 25/05/2020
Date submitted: 01/06/2020
Identifiers: 99513712302346
Academic Unit: School of Maths and Physics
Resource Type: Journal article