First Exploration of Neutron Shell Structure Below Lead and Beyond $\boldsymbol{N=126}$

The nuclei below lead but with more than 126 neutrons are crucial to an understanding of the astrophysical r process in producing nuclei heavier than A∼190. Despite their importance, the structure and properties of these nuclei remain experimentally untested as they are difficult to produce in nucle...

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Detalles Bibliográficos
Autores principales: Tang, T.L., Kay, B.P., Hoffman, C.R., Schiffer, J.P., Sharp, D.K., Gaffney, L.P., Freeman, S.J., Mumpower, M.R., Arokiaraj, A., Baader, E.F., Butler, P.A., Catford, W.N., de Angelis, G., Flavigny, F., Gott, M.D., Gregor, E.T., Konki, J., Labiche, M., Lazurus, I.H., MacGregor, P.T., Martel, I., Page, R.D., Podolyák, Zs., Poleshchuk, O., Raabe, R., Recchia, F., Smith, J.F., Szwec, S.V., Yang, J.
Lenguaje:eng
Publicado: 2020
Materias:
nucl-th
Nuclear Physics - Theory
nucl-ex
Nuclear Physics - Experiment
Acceso en línea:https://dx.doi.org/10.1103/PhysRevLett.124.062502
http://cds.cern.ch/record/2709381
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author Tang, T.L.
Kay, B.P.
Hoffman, C.R.
Schiffer, J.P.
Sharp, D.K.
Gaffney, L.P.
Freeman, S.J.
Mumpower, M.R.
Arokiaraj, A.
Baader, E.F.
Butler, P.A.
Catford, W.N.
de Angelis, G.
Flavigny, F.
Gott, M.D.
Gregor, E.T.
Konki, J.
Labiche, M.
Lazurus, I.H.
MacGregor, P.T.
Martel, I.
Page, R.D.
Podolyák, Zs.
Poleshchuk, O.
Raabe, R.
Recchia, F.
Smith, J.F.
Szwec, S.V.
Yang, J.
author_facet Tang, T.L.
Kay, B.P.
Hoffman, C.R.
Schiffer, J.P.
Sharp, D.K.
Gaffney, L.P.
Freeman, S.J.
Mumpower, M.R.
Arokiaraj, A.
Baader, E.F.
Butler, P.A.
Catford, W.N.
de Angelis, G.
Flavigny, F.
Gott, M.D.
Gregor, E.T.
Konki, J.
Labiche, M.
Lazurus, I.H.
MacGregor, P.T.
Martel, I.
Page, R.D.
Podolyák, Zs.
Poleshchuk, O.
Raabe, R.
Recchia, F.
Smith, J.F.
Szwec, S.V.
Yang, J.
author_sort Tang, T.L.
collection CERN
description The nuclei below lead but with more than 126 neutrons are crucial to an understanding of the astrophysical r process in producing nuclei heavier than A∼190. Despite their importance, the structure and properties of these nuclei remain experimentally untested as they are difficult to produce in nuclear reactions with stable beams. In a first exploration of the shell structure of this region, neutron excitations in Hg207 have been probed using the neutron-adding (d,p) reaction in inverse kinematics. The radioactive beam of Hg206 was delivered to the new ISOLDE Solenoidal Spectrometer at an energy above the Coulomb barrier. The spectroscopy of Hg207 marks a first step in improving our understanding of the relevant structural properties of nuclei involved in a key part of the path of the r process.
id cern-2709381
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2020
record_format invenio
spelling cern-27093812021-12-22T03:06:40Zdoi:10.1103/PhysRevLett.124.062502http://cds.cern.ch/record/2709381engTang, T.L.Kay, B.P.Hoffman, C.R.Schiffer, J.P.Sharp, D.K.Gaffney, L.P.Freeman, S.J.Mumpower, M.R.Arokiaraj, A.Baader, E.F.Butler, P.A.Catford, W.N.de Angelis, G.Flavigny, F.Gott, M.D.Gregor, E.T.Konki, J.Labiche, M.Lazurus, I.H.MacGregor, P.T.Martel, I.Page, R.D.Podolyák, Zs.Poleshchuk, O.Raabe, R.Recchia, F.Smith, J.F.Szwec, S.V.Yang, J.First Exploration of Neutron Shell Structure Below Lead and Beyond $\boldsymbol{N=126}$nucl-thNuclear Physics - Theorynucl-exNuclear Physics - ExperimentThe nuclei below lead but with more than 126 neutrons are crucial to an understanding of the astrophysical r process in producing nuclei heavier than A∼190. Despite their importance, the structure and properties of these nuclei remain experimentally untested as they are difficult to produce in nuclear reactions with stable beams. In a first exploration of the shell structure of this region, neutron excitations in Hg207 have been probed using the neutron-adding (d,p) reaction in inverse kinematics. The radioactive beam of Hg206 was delivered to the new ISOLDE Solenoidal Spectrometer at an energy above the Coulomb barrier. The spectroscopy of Hg207 marks a first step in improving our understanding of the relevant structural properties of nuclei involved in a key part of the path of the r process.The nuclei below lead but with more than 126 neutrons are crucial to an understanding of the astrophysical $r$-process in producing nuclei heavier than $A\sim190$. Despite their importance, the structure and properties of these nuclei remain experimentally untested as they are difficult to produce in nuclear reactions with stable beams. In a first exploration of the shell structure of this region, neutron excitations in $^{207}$Hg have been probed using the neutron-adding ($d$,$p$) reaction in inverse kinematics. The radioactive beam of $^{206}$Hg was delivered to the new ISOLDE Solenoidal Spectrometer at an energy above the Coulomb barrier. The spectroscopy of $^{207}$Hg marks a first step in improving our understanding of the relevant structural properties of nuclei involved in a key part of the path of the $r$-process.arXiv:2001.00976LA-UR-19-30930oai:cds.cern.ch:27093812020-01-03
spellingShingle nucl-th
Nuclear Physics - Theory
nucl-ex
Nuclear Physics - Experiment
Tang, T.L.
Kay, B.P.
Hoffman, C.R.
Schiffer, J.P.
Sharp, D.K.
Gaffney, L.P.
Freeman, S.J.
Mumpower, M.R.
Arokiaraj, A.
Baader, E.F.
Butler, P.A.
Catford, W.N.
de Angelis, G.
Flavigny, F.
Gott, M.D.
Gregor, E.T.
Konki, J.
Labiche, M.
Lazurus, I.H.
MacGregor, P.T.
Martel, I.
Page, R.D.
Podolyák, Zs.
Poleshchuk, O.
Raabe, R.
Recchia, F.
Smith, J.F.
Szwec, S.V.
Yang, J.
First Exploration of Neutron Shell Structure Below Lead and Beyond $\boldsymbol{N=126}$
title First Exploration of Neutron Shell Structure Below Lead and Beyond $\boldsymbol{N=126}$
title_full First Exploration of Neutron Shell Structure Below Lead and Beyond $\boldsymbol{N=126}$
title_fullStr First Exploration of Neutron Shell Structure Below Lead and Beyond $\boldsymbol{N=126}$
title_full_unstemmed First Exploration of Neutron Shell Structure Below Lead and Beyond $\boldsymbol{N=126}$
title_short First Exploration of Neutron Shell Structure Below Lead and Beyond $\boldsymbol{N=126}$
title_sort first exploration of neutron shell structure below lead and beyond $\boldsymbol{n=126}$
topic nucl-th
Nuclear Physics - Theory
nucl-ex
Nuclear Physics - Experiment
url https://dx.doi.org/10.1103/PhysRevLett.124.062502
http://cds.cern.ch/record/2709381
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