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Two-step description of heavy ion double charge exchange reactions.

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Title: Two-step description of heavy ion double charge exchange reactions.
Authors: Bellone, Jessica I.1 (AUTHOR) jessica.bellone@ct.infn.it, Burrello, Stefano1 (AUTHOR) burrello@lns.infn.it, Colonna, Maria1 (AUTHOR) colonna@lns.infn.it, Lay, José-Antonio2,3 (AUTHOR) lay@us.es, Lenske, Horst4 (AUTHOR) horst.lenske@theo.physik.uni-giessen.de
Source: Physics Letters B. Aug2020, Vol. 807, pN.PAG-N.PAG. 1p.
Subjects: Charge exchange reactions, Heavy ions, Charge exchange, Ion-ion collisions, Nuclear matrix, Mesons
Abstract: Heavy ion double charge exchange reactions are described by sequential meson-exchange, corresponding to a double single charge exchange (DSCE) reaction mechanism. The theoretical formulation is discussed. The fully quantum mechanical distorted wave 2-step calculations are shown to be reproduced very well by approximating the intermediate propagator by its pole part. The role of ion-ion elastic interactions is discussed. As a first application, calculations are performed for the reaction Ca 40 (O 18 , Ne 18) 40 Ar at 15 AMeV. Results are compared to the data measured at LNS by the NUMEN Collaboration. Formal analogies between the nuclear matrix elements (NME) involved in DSCE reactions and in double β -decay are pointed out. [ABSTRACT FROM AUTHOR]
Copyright of Physics Letters B is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 145135587
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  Data: Two-step description of heavy ion double charge exchange reactions.
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  Data: <searchLink fieldCode="AR" term="%22Bellone%2C+Jessica+I%2E%22">Bellone, Jessica I.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> jessica.bellone@ct.infn.it</i><br /><searchLink fieldCode="AR" term="%22Burrello%2C+Stefano%22">Burrello, Stefano</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> burrello@lns.infn.it</i><br /><searchLink fieldCode="AR" term="%22Colonna%2C+Maria%22">Colonna, Maria</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> colonna@lns.infn.it</i><br /><searchLink fieldCode="AR" term="%22Lay%2C+José-Antonio%22">Lay, José-Antonio</searchLink><relatesTo>2,3</relatesTo> (AUTHOR)<i> lay@us.es</i><br /><searchLink fieldCode="AR" term="%22Lenske%2C+Horst%22">Lenske, Horst</searchLink><relatesTo>4</relatesTo> (AUTHOR)<i> horst.lenske@theo.physik.uni-giessen.de</i>
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  Data: <searchLink fieldCode="JN" term="%22Physics+Letters+B%22">Physics Letters B</searchLink>. Aug2020, Vol. 807, pN.PAG-N.PAG. 1p.
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  Data: <searchLink fieldCode="DE" term="%22Charge+exchange+reactions%22">Charge exchange reactions</searchLink><br /><searchLink fieldCode="DE" term="%22Heavy+ions%22">Heavy ions</searchLink><br /><searchLink fieldCode="DE" term="%22Charge+exchange%22">Charge exchange</searchLink><br /><searchLink fieldCode="DE" term="%22Ion-ion+collisions%22">Ion-ion collisions</searchLink><br /><searchLink fieldCode="DE" term="%22Nuclear+matrix%22">Nuclear matrix</searchLink><br /><searchLink fieldCode="DE" term="%22Mesons%22">Mesons</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: Heavy ion double charge exchange reactions are described by sequential meson-exchange, corresponding to a double single charge exchange (DSCE) reaction mechanism. The theoretical formulation is discussed. The fully quantum mechanical distorted wave 2-step calculations are shown to be reproduced very well by approximating the intermediate propagator by its pole part. The role of ion-ion elastic interactions is discussed. As a first application, calculations are performed for the reaction Ca 40 (O 18 , Ne 18) 40 Ar at 15 AMeV. Results are compared to the data measured at LNS by the NUMEN Collaboration. Formal analogies between the nuclear matrix elements (NME) involved in DSCE reactions and in double β -decay are pointed out. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of Physics Letters B is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.physletb.2020.135528
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      – Code: eng
        Text: English
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      – SubjectFull: Charge exchange reactions
        Type: general
      – SubjectFull: Heavy ions
        Type: general
      – SubjectFull: Charge exchange
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      – SubjectFull: Ion-ion collisions
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      – SubjectFull: Nuclear matrix
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      – SubjectFull: Mesons
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              Text: Aug2020
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