Nuclear matrix elements for theCa48two-neutrino double-βdecay from high-resolution charge-exchange reactions

2004 ◽  
Vol 70 (5) ◽  
Author(s):  
S. Rakers ◽  
C. Bäumer ◽  
A. M. van den Berg ◽  
B. Davids ◽  
D. Frekers ◽  
...  
Keyword(s):  
High Resolution ◽  
Charge Exchange ◽  
Nuclear Matrix ◽  
Matrix Elements ◽  
Exchange Reactions

scholarly journals Heavy-ion double charge exchange reactions: A tool toward $0 \nu\beta\beta$ nuclear matrix elements

2015 ◽  
Vol 51 (11) ◽  
Author(s):  
F. Cappuzzello ◽  
M. Cavallaro ◽  
C. Agodi ◽  
M. Bondì ◽  
D. Carbone ◽  
...  
Keyword(s):  
Charge Exchange ◽  
Nuclear Matrix ◽  
Heavy Ion ◽  
Matrix Elements ◽  
Exchange Reactions ◽  
Double Charge Exchange ◽  
Double Charge

scholarly journals Nuclear Matrix Elements for Heavy Ion Sequential Double Charge Exchange Reactions

Universe ◽  
2021 ◽  
Vol 7 (4) ◽  
pp. 98
Author(s):  
Horst Lenske ◽  
Jessica Bellone ◽  
Maria Colonna ◽  
Danilo Gambacurta
Keyword(s):  
Charge Exchange ◽  
Nuclear Matrix ◽  
Form Factors ◽  
Heavy Ion ◽  
Theoretical Background ◽  
Matrix Elements ◽  
Exchange Reactions ◽  
Charge Exchange Reaction ◽  
Double Charge Exchange ◽  
Double Charge

The theoretical approach to a sequential heavy ion double charge exchange reaction is presented. A brief introduction into the formal theory of second-order nuclear reactions and their application to Double Single Charge Exchange (DSCE) reactions by distorted wave theory is given, thereby completing the theoretical background to our recent work. Formally, the DSCE reaction amplitudes are shown to be separable into superpositions of distortion factors, accounting for initial and final state ion–ion interactions, and nuclear matrix elements. A broad space is given to the construction of nuclear DSCE response functions on the basis of polarization propagator theory. The nuclear response tensors resemble the nuclear matrix elements of 2νββ decay in structure but contain in general a considerable more complex multipole and spin structure. The QRPA theory is used to derive explicit expressions for nuclear matrix elements (NMEs). The differences between the NME of the first and the second interaction vertexes in a DSCE reaction is elucidated. Reduction schemes for the transition form factors are discussed by investigating the closure approximation and the momentum structure of form factors. DSCE unit strength cross sections are derived.

Charge-exchange reactions and nuclear matrix elements for ββ decay

2009 ◽  
Author(s):  
D. Frekers ◽  
Osvaldo Civitarese ◽  
Ivan Stekl ◽  
Jouni Suhonen
Keyword(s):  
Charge Exchange ◽  
Nuclear Matrix ◽  
Matrix Elements ◽  
Exchange Reactions

Using Double Charge Exchange Reactions Towards $0\nu \beta \beta $ Nuclear Matrix Elements

2016 ◽  
Vol 47 (3) ◽  
pp. 929
Author(s):  
M. Cavallaro ◽  
F. Cappuzzello ◽  
C. Agodi ◽  
S. Calabrese ◽  
D. Carbone ◽  
...  
Keyword(s):  
Charge Exchange ◽  
Nuclear Matrix ◽  
Matrix Elements ◽  
Exchange Reactions ◽  
Double Charge Exchange ◽  
Double Charge
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