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Scattering of halo nuclei on heavy targets at energies around the Coulomb barrier: The case of $^{11}$Be on $^{197}$Au
/ Pesudo, V (Western Cape U. ; iThemba LABS) ; Borge, M J G (CSIC, Madrid ; CERN) ; Moro, A M (Seville U.) ; Lay, J A (Seville U.) ; Nácher, E (CSIC, Madrid) ; Gómez-Camacho, J (Seville U. ; CNA, Seville) ; Tengblad, O (CSIC, Madrid) ; Acosta, L (Mexico U.) ; Alcorta, M (Argonne, PHY) ; Alvarez, M A G (Sao Paulo U.) et al.
This work reports on the scattering of $^{11}$Be on $^{197}$Au at energies around and below the Coulomb barrier. By experimentally identifying the elastic scattering, inelastic scattering and breakup channels, and comparing them with different calculations, valuable information on the $^{11}$Be structure and its $B(E1$) distribution to the continuum are obtained. [...]
2017 - 6 p.
- Published in : EPJ Web Conf. 163 (2017) 00045
Fulltext: PDF; External link: Fulltext
In : 7th International Conference on Heavy-Ion Collisions at Near-Barrier Energies, Hobart, Tasmania, Australia, 20 - 24 Feb 2017, pp.00045
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First Accurate Normalization of the $\beta$-delayed $\alpha$ Decay of $^{16}$N and Implications for the $^{12}$C$(\alpha,\gamma)^{16}$O Astrophysical Reaction Rate
/ Kirsebom, O.S. (Aarhus U.) ; Tengblad, O. (CSIC, Madrid) ; Lica, R. (CERN ; Bucharest, IFIN-HH) ; Munch, M. (Aarhus U.) ; Riisager, K. (Aarhus U.) ; Fynbo, H.O.U. (Aarhus U.) ; Borge, M.J.G. (CSIC, Madrid ; CERN) ; Madurga, M. (CERN) ; Marroquin, I. (CSIC, Madrid) ; Andreyev, A.N. (York U., England) et al.
The $^{12}\text{C}(\alpha,\gamma){}^{16}\text{O}$ reaction plays a central role in astrophysics, but its cross section at energies relevant for astrophysical applications is only poorly constrained by laboratory data. The reduced $\alpha$ width, $\gamma_{11}$, of the bound $1^-$ level in $^{16}$O is particularly important to determine the cross section. [...]
arXiv:1804.02040.-
2018-10-10 - 6 p.
- Published in : Phys. Rev. Lett. 121 (2018) 142701
Fulltext: PDF; Fulltext from Publisher: PDF;
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Improved experimental determination of the branching ratio for $\beta$-delayed $\alpha$ decay of $^{16}$N
/ Kirsebom, Oliver S (Aarhus U.) ; Alonso, Irene M (CSIC, Madrid) ; Berry, Tom (Surrey U.) ; Borge, Maria J G (CERN) ; Christensen, Esben R (Aarhus U.) ; Doherty, Daniel (York U., England) ; Fernández, Paloma D (Chalmers U. Tech.) ; Flores, Miguel M (CERN) ; Fynbo, Hans O U (Aarhus U.) ; Gallardo, Mariano C (UCM, Madrid, Dept. Phys.) et al.
We report on the preliminary results of an experimental study of the $\beta$ decay of $^{16}$N, aiming to determine the branching ratio of the $\beta\alpha$ channel with a precision of $\leq$ 5%..
2017 - 4 p.
- Published in : EPJ Web Conf. 165 (2017) 01031
Fulltext: PDF;
In : 8th Nuclear Physics in Astrophysics, Catania, Italy, June 18-23, 2017, pp.01031
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Scattering of the Halo Nucleus $^{11}Be$ on $^{197}Au$ at Energies around the Coulomb Barrier
/ Pesudo, V (Madrid, Inst. Estructura Materia ; Western Cape U. ; iThemba LABS) ; Borge, M J G (Madrid, Inst. Estructura Materia ; CERN ; Gottingen U.) ; Moro, A M (Seville U.) ; Lay, J A (Padua U. ; INFN, Padua) ; Nácher, E (Madrid, Inst. Estructura Materia) ; Gómez-Camacho, J (Seville U. ; CSIC, Madrid) ; Tengblad, O (Madrid, Inst. Estructura Materia) ; Acosta, L (Mexico U.) ; Alcorta, M (Argonne, PHY) ; Alvarez, M A G (Sao Paulo U.) et al.
Angular distributions of the elastic, inelastic, and breakup cross sections of the halo nucleus Be11 on $^{197}Au$ were measured at energies below $(E_{lab}=31.9 MeV)$ and around (39.6 MeV) the Coulomb barrier. These three channels were unambiguously separated for the first time for reactions of $^{11}Be$ on a high-Z target at low energies. [...]
2017 - 6 p.
- Published in : Phys. Rev. Lett. 118 (2017) 152502
Fulltext: PDF;
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Multi-particle Emission from $^{31}$Ar at ISOLDE
/ Marroquin, I ; Borge, M J G ; Ciemny, A A ; de Witte, H ; Fraile, L M ; Fynbo, H O U ; Garzón-Camacho, A ; Howard, A ; Johansson, H ; Jonson, B et al.
A multi-particle decay experiment was successfully performed at the ISOLDE Decay Station. In this new permanent station, devoted to\break $\beta$-decay studies, the novel MAGISOL Si-Plugin Chamber was installed to study the exotic decay modes of the proton drip-line nucleus ${^{31}}$Ar. [...]
2016
- Published in : Acta Phys. Pol. B 47 (2016) 747
fulltext: PDF;
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Beta-delayed proton emission from$^{20}$Mg
/ Andreyev, A (York U., England) ; Borge, M J G (Madrid, Inst. Estructura Materia ; CERN) ; Cederkäll, J (Lund U.) ; De Witte, H (Leuven U.) ; Fraile, L M (Madrid U.) ; Fynbo, H O U (Aarhus U.) ; Greenlees, P T (Helsinki Inst. of Phys. ; Jyvaskyla U.) ; Harkness-Brennan, L J (Liverpool U.) ; Howard, A M (Aarhus U.) ; Huyse, M (Leuven U.) et al.
Beta-delayed proton emission from$^{20}$ Mg has been measured at ISOLDE, CERN, with the ISOLDE Decay Station (IDS) setup including both charged-particle and gamma-ray detection capabilities. A total of 27 delayed proton branches were measured including seven so far unobserved. [...]
2016
- Published in : Eur. Phys. J. A 52 (2016) 304
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Electron capture of $^8$B into highly excited states in $^8$Be
/ Borge, MJG (ISOLDE - CERN) ; Cederkall, J (University of Lund) ; Diaz Fernandez, P (Chalmers University of Technology) ; Fraile, L (Universidad Complutense de Madrid) ; Fynbo, H (University of Aarhus) ; Heinz, A (Chalmers University of Technology) ; Jensen, J (University of Aarhus) ; Johansson, H (Chalmers University of Technology) ; Jonson, B (Chalmers University of Technology) ; Kirsebom, O (University of Aarhus) et al.
CERN-INTC-2016-052 ; INTC-P-482.
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2016.
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Electron capture of $^8$B into highly excited states in $^8$Be
/ Borge , MJG (ISODE, CERN, Geneva, Switzerland) ; Fernández , PD (Fundamental Physics, Chalmers Univ. of Technology, S-41296 Göteborg, Sweden) ; Fraile , LM (Grupo de Física Nuclear, Universidad Complutense de Madrid, E-28040 Madrid, Spain) ; Fynbo , HOU (Department of Physics and Astronomy, Aarhus University, DK-8000 Aarhus, Denmark) ; Heinz , A (Fundamental Physics, Chalmers Univ. of Technology, S-41296 Göteborg, Sweden) ; Howard , AM (Department of Physics and Astronomy, Aarhus University, DK-8000 Aarhus, Denmark) ; Jensen , JH (Department of Physics and Astronomy, Aarhus University, DK-8000 Aarhus, Denmark) ; Johansen , JG (Department of Physics and Astronomy, Aarhus University, DK-8000 Aarhus, Denmark) ; Johansson , HT (Fundamental Physics, Chalmers Univ. of Technology, S-41296 Göteborg, Sweden) ; Jonson , B (Fundamental Physics, Chalmers Univ. of Technology, S-41296 Göteborg, Sweden) et al.
CERN-INTC-2016-013 ; INTC-P-460.
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2016.
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Studies of unbound states in isotopes at the N=8 shell closure
/ Borge, Maria J G (PH Department, CERN, CH-1211 Geneve 23, Switzerland.) ; Fraile, Luis M (Grupo de Fisica Nucelar, Universidad Complutense, CEI Moncloa, E-28049 Madrid, Spain.) ; Fynbo, Hans O U (Department of Physics and Astronomy, Aarhus University, DK-8000 Aarhus C, Denmark.) ; Gernhäuser, Roman (Physik-Department E12, Technische Universität München, Garching, Germany.) ; Heinz, Andreas (Fundamental Fysik, Chalmers Tekniska Högskola, Göteborg, Sweden.) ; Howard, Alan (Department of Physics and Astronomy, Aarhus University, DK-8000 Aarhus C, Denmark.) ; Johansen, Jacob G (Department of Physics and Astronomy, Aarhus University, DK-8000 Aarhus C, Denmark) ; Johansson, Haakan T (Fundamental Fysik, Chalmers Tekniska Högskola, Göteborg, Sweden.) ; Jonson, Björn (Fundamental Fysik, Chalmers Tekniska Högskola, Göteborg, Sweden.) ; Kirsebom, Oliver S (Department of Physics and Astronomy, Aarhus University, DK-8000 Aarhus C, Denmark.) et al.
CERN-INTC-2015-034 ; INTC-P-440.
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2015.
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