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The Interaction of Neutrons with 7Be at BBN Temperatures: Lack of Standard Nuclear Solution to the “Primordial 7Li Problem” / Gai, M (Connecticut U. LNS Avery Point Groton) ; Kading, E E (Connecticut U. LNS Avery Point Groton) ; Hass, M (Weizmann Inst.) ; Nollett, K M (San Diego State U.) ; Stern, S R (Connecticut U. LNS Avery Point Groton) ; Stora, Th (CERN) ; Weiss, A (Bar Ilan U. ; Hebrew U.)
We report the first measurement of alpha-particles from the interaction of neutrons with 7Be at “temperatures” of Big Bang Nucleosynthesis (BBN). We measured the Maxwellian averaged cross sections (MACS), with neutron beams produced by the LiLiT at the SARAF in Israel (with kT = 49.5 keV hence 0.57 GK). [...]
2020 - 7 p. - Published in : EPJ Web Conf. 227 (2020) 01007 Fulltext: PDF;
In : 10th European Summer School on Experimental Nuclear Astrophysics, Catania, Italy, 16 - 23 June 2019, pp.01007
Electromagnetic properties of low-lying states in neutron-deficient Hg isotopes: Coulomb excitation of $^{182}$Hg, $^{184}$Hg, $^{186}$Hg and $^{188}$Hg / Wrzosek-Lipska, K (Warsaw U., Heavy Ion Lab ; Leuven U.) ; Rezynkina, K (Leuven U. ; U. Strasbourg) ; Bree, N (Leuven U.) ; Zielińska, M (Warsaw U., Heavy Ion Lab ; IRFU, Saclay) ; Gaffney, L P (Liverpool U. ; Leuven U. ; CERN ; West Scotland U.) ; Petts, A (Liverpool U.) ; Andreyev, A (Leuven U. ; York U., England) ; Bastin, B (Leuven U. ; GANIL) ; Bender, M (Lyon, IPN) ; Blazhev, A (Cologne U.) et al.
The neutron-deficient mercury isotopes serve as a classical example of shape coexistence, whereby at low energy near-degenerate nuclear states characterized by different shapes appear. The electromagnetic structure of even-mass $^{182-188}$ Hg isotopes was studied using safe-energy Coulomb excitation of neutron-deficient mercury beams delivered by the REX-ISOLDE facility at CERN. [...]
2019 - 23 p. - Published in : Eur. Phys. J. A 55 (2019) 130 Fulltext (Open Access version from publisher): PDF;
Implementation and evaluation of tilted foils polarization at REX-ISOLDE / Tornqvist, H (CERN ; Goteborg, ITP) ; Sotty, C (CSNSM, Orsay) ; Georgiev, G (CSNSM, Orsay) ; Hass, M (Weizmann Inst.) ; Herlert, A (CERN) ; Kowalska, M (CERN) ; Nilsson, T (Goteborg, ITP) ; Pakarinen, J (CERN) ; Wenander, F (CERN)
The progress within atomic and nuclear physics relies on refining and adding new observables. One of these is the polarization of the nuclear spin, where there is a manifest interest in accessing a wide variety of polarized beams, e.g. [...]
2012 - 4 p. - Published in : Phys. Scr. T150 (2012) 014040
High Resolution Study of Neutron Interactions With 7Be (The “Primordial 7Li Problem”) / Gai, Moshe (UConn) ; Stern, Sarah (UConn) ; Schweitzer, Deran (UConn) ; Stora, Thierry (ISOLDE/CERN) ; Berkovits, Dan (Soreq) ; Halfon, Shlomi (Soreq) ; Weissman, Leonid (D=Soreq) ; Hass, Michael (Weizman)
CERN-INTC-2017-078 ; INTC-I-203.
- 2017.
Fulltext - Original Document (INTC-P-411)
Shape Coexistence in the Neutron-Deficient Even-Even $^{182-188}$Hg Isotopes Studied via Coulomb Excitation / Bree, N (KU Leuven, Dept. Phys. Astron.) ; Wrzosek-Lipska, K (KU Leuven, Dept. Phys. Astron.) ; Petts, A (U. Liverpool (main)) ; Andreyev, A (KU Leuven, Dept. Phys. Astron.) ; Bastin, B (KU Leuven, Dept. Phys. Astron. ; GANIL) ; Bender, M (CENBG, Gradignan) ; Blazhev, A (Cologne U.) ; Bruyneel, B (Cologne U.) ; Butler, P  A (U. Liverpool (main)) ; Butterworth, J et al.
Coulomb-excitation experiments to study electromagnetic properties of radioactive even-even Hg isotopes were performed with 2.85  MeV/nucleon mercury beams from REX-ISOLDE. Magnitudes and relative signs of the reduced E2 matrix elements that couple the ground state and low-lying excited states in Hg182-188 were extracted. [...]
2014 - 5 p. - Published in : Phys. Rev. Lett. 112 (2014) 162701
Design of a neutrino source based on beta beams / Wildner, E (CERN) ; Hansen, C (CERN) ; Benedetto, E (CERN) ; Jensen, E (CERN) ; Stora, T (CERN) ; Mendonca, T Melo (CERN) ; Vlachoudis, V (CERN) ; Bouquerel, E (Strasbourg, IPHC) ; Marie-Jeanne, M (Grenoble, INP ; LPSC, Grenoble) ; Balint, P (Grenoble, INP ; LPSC, Grenoble) et al.
``Beta beams'' produce collimated pure electron (anti)neutrino beams by accelerating beta active ions to high energies and having them decay in a racetrack shaped storage ring of 7 km circumference, the decay ring. EUROnu beta beams are based on CERN infrastructures and existing machines. [...]
2014 - 51 p. - Published in : Phys. Rev. Spec. Top. Accel. Beams 17 (2014) 071002 APS Open Access article: PDF;
Collectivity in the light radon nuclei measured directly via Coulomb excitation / Gaffney, L.P. (Leuven U. ; Liverpool U.) ; Robinson, A.P. (York U., England ; Manchester U.) ; Jenkins, D.G. (York U., England) ; Andreyev, A.N. (Leuven U. ; York U., England ; JAEA, Ibaraki) ; Bender, M. (CENBG, Gradignan ; CENBG, Gradignan) ; Blazhev, A. (Cologne U.) ; Bree, N. (Leuven U.) ; Bruyneel, B. (Cologne U.) ; Butler, P.A. (Liverpool U.) ; Cocolios, T.E. (CERN ; Manchester U.) et al.
Background: Shape coexistence in heavy nuclei poses a strong challenge to state-of-the-art nuclear models, where several competing shape minima are found close to the ground state. A classic region for investigating this phenomenon is in the region around $Z=82$ and the neutron mid-shell at $N=104$. [...]
arXiv:1503.03245.- 2015-06-22 - 11 p. - Published in : Phys. Rev. C 91 (2015) 064313 Preprint: PDF; External link: Preprint
High Yield production of he beta-beams experiments / Lauscher, M (RWTH Aachen U.) ; Hass, M (Weizmann Inst.) ; Hirsch, T (Weizmann Inst. ; Soreq Nucl. Res. Ctr.) ; Stahl, A (RWTH Aachen U.) ; Weifels, M (RWTH Aachen U.)
Geneva : CERN, 2010 Published version from CERN: PDF;
In : European Strategy for Future Neutrino Physics Workshop, CERN, Geneva, Switzerland, 1 - 3 Oct 2009, pp.292-294 (CERN-2010-003)
Tilted foils polarization at REX-ISOLDE / Tornqvist, H (CERN ; Fund. Phys., Gothenburg) ; Kowalska, M (CERN) ; Yordanov, D T (Heidelberg, Max Planck Inst.) ; Imai, N (KEK, Tsukuba) ; Heinz, A (Goteborg, ITP) ; Nilsson, T (Goteborg, ITP) ; Sotty, C (CSNSM, Orsay) ; Hass, M (Weizmann Inst.) ; Georgiev, G (CSNSM, Orsay) ; Johansson, H (Goteborg, ITP) et al.
The tilted-foils nuclear-spin polarization method has been evaluated using the REX-ISOLDE linear accelerator at the ISOLDE facility, CERN. A beam of Li-8 delivered with an energy of 300 keV/u traversed through one Mylar foil to degrade the beam energy to 200 keV/u and consequently through 10 thin diamond-like carbon foils to polarize the nuclear spin. [...]
2013 - Published in : Nucl. Instrum. Methods Phys. Res., B 317 (2013) 685-688
In : 16th International Conference on Electromagnetic Isotope Separators and Techniques Related to their Applications, Matsue, Japan, 2 - 7 Dec 2012, pp.685-688
Nuclear astrophysics with radioactive ions at FAIR / Reifarth, R. ; Altstadt, S. ; Göbel, K. ; Heftrich, T. ; Heil, M. ; Koloczek, A. ; Langer, C. ; Plag, R. ; Pohl, M. ; Sonnabend, K. et al.
The nucleosynthesis of elements beyond iron is dominated by neutron captures in the s and r processes. However, 32 stable, proton-rich isotopes cannot be formed during those processes, because they are shielded from the s-process flow and r-process beta-decay chains. [...]
arXiv:1310.1632.- 2016-01-05 - 12 p. - Published in : J. Phys. : Conf. Ser. 665 (2016) 012044 Fulltext: pdf - PDF; 10.1088_1742-6596_665_1_012044 - PDF; Preprint: PDF; External link: Preprint

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