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RIBF Week 2018

Sep 3 – 7, 2018
RIKEN Nishina Center
Asia/Tokyo timezone

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Session

SAMURAI workshop

Sep 3, 2018, 10:10 AM
RIBF Building, Room 201 (RIKEN Nishina Center)

RIBF Building, Room 201

RIKEN Nishina Center

2-1, Hirosawa, Wako, Saitama 351-0198, Japan

Presentation materials

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  1. 8. Projects of the Darmstadt Collaborative Research Center at RIBF
    Thomas Aumann (Technische Universitaet Darmstadt)
    9/3/18, 10:10 AM
    SAMURAI workshop
    SAMURAI analysis update

    I will briefly summarize the projects within the first funding period of the TU Darmstadt Collaborative Research Center "Nuclei: From Fundamental Interactions to Structure and Stars", which have been performed within the SAMURAI collaboration. An outlook towards projects and possible experiments for the next term will be given.

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  2. 70. TBA (NeuLAND)
    Julian Kahlbow (RIKEN Nishina Center & TU Darmstadt)
    9/3/18, 10:30 AM
    SAMURAI analysis update
  3. 71. EXPAND/NEBULA+ status
    Julien GIBELIN (LPC Caen, ENSICAEN, Université de Caen, CNRS/IN2P3, Caen, France)
    9/3/18, 11:05 AM
    SAMURAI analysis update
  4. 72. Analysis of multiple neutrons detected with NeuLAND+NEBULA
    Yosuke KONDO (Tokyo Institute of Technology)
    9/3/18, 11:25 AM
    SAMURAI analysis update
  5. 5. Invariant-mass spectroscopy of 30F & 29F
    Julian Kahlbow (TU Darmstadt)
    9/3/18, 11:45 AM
    SAMURAI workshop
    SAMURAI analysis update

    The nuclear structure in the “island of inversion“ is dominated by pf-intruder configurations. Recent measurements aimed to find out how far these shell-structure changes extend to the lower Z region. We performed the invariant-mass spectroscopy of 30F and the excited states in 29F, first results will be shown. Two-neutron correlations are also studied in the latter case.

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  6. 73. TBA (SEASTAR)
    Anna Corsi (CEA Saclay)
    9/3/18, 1:45 PM
    SAMURAI analysis update
  7. 74. TBA (HI-p)
    Valerii Panin (RIKEN, Spin-isospin laboratory)
    9/3/18, 2:05 PM
    SAMURAI analysis update
  8. 75. Status of First Spirit Campaign analyses
    Prof. William Lynch
    9/3/18, 2:25 PM
    SAMURAI analysis update

    The first Spirit campaign successfully measured pion production and collective flow nucleonic flow in 108 Sn+ 112 Sn, 112 Sn+ 124 Sn, 124 Sn+ 112 Sn, and 132 Sn+ 124 Sn collisions at E/A=270 MeV. This talk will discuss the present status of the analyses of this campaign with an outlook towards publication.

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  9. 76. Proton elastic scattering off 6He at 200 A MeV measured with solid polarized proton target
    Satoshi Sakaguchi (Dept. of Physics, Kyushu University)
    9/3/18, 2:45 PM
    SAMURAI analysis update
  10. 87. TBA
    Masaki Sasano (RIKEN Nishina Center)
    9/3/18, 3:20 PM
  11. 88. TBA
    Dr Xiaodong Tang
    9/3/18, 3:50 PM
    SAMURAI proposal
  12. 89. TBA
    Julien GIBELIN (LPC Caen, ENSICAEN, Université de Caen, CNRS/IN2P3, Caen, France)
    9/3/18, 4:20 PM
    SAMURAI proposal
  13. 80. Status of fission study using the (p,2p) reaction in SAMURAI
    Masaki Sasano (RIKEN Nishina Center)
    9/3/18, 5:05 PM
    SAMURAI analysis update
  14. 81. TBA (p,n)
    Laszlo Stuhl (Center for Nuclear Study, University of Tokyo)
    9/3/18, 5:25 PM
    SAMURAI analysis update
  15. 3. Recent results 16Be, 19B & 28F
    Julien GIBELIN (LPC Caen, ENSICAEN, Université de Caen, CNRS/IN2P3, Caen, France)
    9/3/18, 5:45 PM
    SAMURAI workshop
    SAMURAI analysis update

    We will present recent results on 16Be and 28F, respectively from experiment s018 and s021.

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  16. 6. Lifetime Measurement of the $^\text{26}$O g.s. at SAMURAI
    Sonja Storck (TU Darmstadt)
    9/3/18, 6:05 PM
    SAMURAI workshop
    SAMURAI analysis update

    A recent experiment suggests that the ground state of the neutron-unbound nucleus $^\text{26}$O could have a lifetime in the pico-second regime. This would constitute the first case of a radioactive decay via neutron emission, if this value can be confirmed.

    In Dezember 2016, an experiment using a new measurement method to determine the decay lifetime of the $^\text{26}$O ground state with...

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  17. 53. CsI(Na) scintillator array CATANA
    Yasuhiro Togano (Rikkyo University)
    9/4/18, 9:00 AM
    SAMURAI analysis update
  18. 54. Clustering as a window on the hierarchical structure of quantum systems
    Takashi Nakamura (Tokyo Institute of Technology)
    9/4/18, 9:20 AM
    SAMURAI analysis update
  19. 55. Upgrading in-beam gamma-ray spectroscopy at the RIBF
    Pieter Doornenbal (RIKEN)
    9/4/18, 9:40 AM
    SAMURAI analysis update
  20. 56. TBA
    Juzo ZENIHIRO (RIKEN Nishina Center)
    9/4/18, 10:00 AM
    SAMURAI analysis update
  21. 57. TBA
    Hideaki Otsu (RIKEN Nishina Center)
    9/4/18, 10:35 AM
    SAMURAI proposal
  22. 7. TBA
    Dr Daniele Mengoni (University of Padova, INFN)
    9/4/18, 11:05 AM
    SAMURAI workshop
    SAMURAI proposal
  23. 61. TBA
    Prof. William Lynch
    9/4/18, 11:35 AM
    SAMURAI proposal
  24. 62. TBA
    Junki Tanaka (TU Darmstadt)
    9/4/18, 1:35 PM
    SAMURAI proposal
  25. 63. TBA
    Takashi Nakamura (Tokyo Institute of Technology)
    9/4/18, 2:05 PM
    SAMURAI proposal
  26. 64. Study of multi-neutron systems 7H/4n with 8He(p,2p) reaction
    Zaihong Yang (RIKEN)
    9/4/18, 2:50 PM
    SAMURAI analysis update
  27. 65. First (p,p alpha) reaction study at RIBF
    Didier Beaumel (IPN Orsay / RIKEN Nishina center)
    9/4/18, 3:10 PM

    The Samurai12 experiment has been performed during the last spring campaign. Cluster structure of the ground-state of neutron-rich Beryllium isotopes was investigated using the (p,p alpha) reaction in inverse kinematics. Multineutron spectra should also be accessible from the same data. A brief description of the setup will be given and few preliminary spectra from the (early stage) data...

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  28. 9. Status report of the analysis of the $^6$He($p$,$p^{\prime}\alpha$)$^2n$-channel
    Marco Knösel (TU Darmstadt)
    9/4/18, 3:30 PM
    SAMURAI workshop
    SAMURAI analysis update

    A status report of the analysis of the $^6$He($p$,$p^{\prime}\alpha$)$^2n$-channel from the S19 experiment in 2017 is given. The alpha-knockout reaction channel can be used to investigate the properties of the dineutron system. Besides the current status, upcoming steps of the further analysis are presented which have to be done to calculate the corresponding relative energy spectrum.

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  29. 4. Analysis update on the low-energy dipole response of the halo nuclei $^{6,8}$He
    Christopher Lehr (TU Darmstadt)
    9/4/18, 4:05 PM
    SAMURAI workshop
    SAMURAI analysis update

    The heaviest bound helium isotopes $^6$He and $^8$He are 2- and 4-neutron halo nuclei with a clear alpha plus 2n and 4n structure. After electromagnetic excitation, they mainly decay via two- and four-neutron emission.
    In July 2017, the SAMURAI37 experiment was performed with the purpose of measuring the multi-neutron decay of $^6$He and $^8$He after heavy-ion-induced electromagnetic...

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  30. 66. Status of the Silicon detector used in the S19 experiment
    Mr Vadim Wagner (TU Darmstadt)
    9/4/18, 4:25 PM
    SAMURAI analysis update
  31. 67. TBA (18O campaign 2017)
    Zaihong Yang (RIKEN)
    9/4/18, 4:45 PM
    SAMURAI analysis update
  32. 68. TBA (18O campaign 2018-1)
    Valerii Panin (RIKEN, Spin-isospin laboratory)
    9/4/18, 5:05 PM
    SAMURAI analysis update
  33. 69. TBA (18O campaign 2018-2)
    Laszlo Stuhl (Center for Nuclear Study, University of Tokyo)
    9/4/18, 5:25 PM
    SAMURAI analysis update
  34. 78. A systematic study of the B(GT+) strength in the n-rich region around 80Zn
    Dr Xiaodong Tang
    SAMURAI proposal
  35. 79. Charge exchange reactions at the neutron dripline
    Julien GIBELIN (LPC Caen, ENSICAEN, Université de Caen, CNRS/IN2P3, Caen, France)
    SAMURAI proposal
  36. 77. Study of Gamow-Teller giant resonances on proton rich Sn isotopes towards 100Sn
    Masaki Sasano (RIKEN Nishina Center)
    SAMURAI proposal
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