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SUMMARY:Single-particle states in fp-shell nuclei through 50Ca(d\, p)51Ca 
 transfer reaction.
DTSTART;VALUE=DATE-TIME:20241119T160500Z
DTEND;VALUE=DATE-TIME:20241119T161200Z
DTSTAMP;VALUE=DATE-TIME:20260422T024644Z
UID:indico-contribution-25474@indico.ific.uv.es
DESCRIPTION:Speakers: Carlos Ferrera González (IEM-CSIC)\nNeutron-rich Ca
  isotopes towards neutron number N = 34 are pivotal for exploring the evol
 ution of the fp-shell orbitals [1]. Beyond the N = 28 shell gap at 48Ca\, 
 new magic numbers at N = 32 and 34 were established through spectroscopy o
 f low-lying states [2] and mass measurements [3]. Most recently\, the spat
 ial extension of the 1f7/2 and 2p3/2 neutron orbitals was determined via a
  one-neutron knockout reaction from 52Ca [4]\, while the single-particle 2
 p1/2 \, 1f5/2 and 1g9/2 orbitals defining the shell gaps at N = 32\, 34 re
 main to be established experimentally. The 50Ca(d\, p)51Ca transfer reacti
 on presents itself as well suited-method to access spectroscopic factors i
 n the fp-shell\, where the angular distribution of the reaction products a
 llow for deduction of the angular momentum transfer.\n\nThe SHARAQ12 exper
 iment was performed at the RIKEN Nishina Center in December of 2022 and Ma
 y of 2024\, aiming to study the single-particle structure of 51Ca via the 
 (d\, p) reaction using a 50Ca secondary beam. The secondary beam was produ
 ced at the BigRIPS separator and then degraded to approximately 15 MeV/nuc
 leon at the OEDO [5] beamline. Beam-tracking has been performed with the r
 ecently developed Strip-Readout PPAC detectors [6]\, recoiling protons com
 ing from the interaction of the beam with the secondary target of CD2 (260
  μg/cm2 in 2022\, 644 μg/cm2 in 2024) have been identified with the dete
 ctor setup TINA2 [7]\, while the heavy recoils have been identified at the
  QQD SHARAQ spectrometer. In this contribution\, I will present the experi
 ment\, current status of the analysis\, and the implications on the struct
 ure of neutron-rich Ca isotopes.\n\nReferences\n\n[1] T. Otsuka et al. Rev
 . Mod. Phys.\, 92:015002 (2020).\n[2] D. Steppenbeck et al. Nature 502(747
 0)\, 207 (2013).\n[3] F. Wienholtz et al. Nature 498(7454)\, 346\, (2013).
 \n[4] M. Enciu et al. Phys. Rev. Lett. 129\, 262501 (2022).\n[5] S. Michim
 asa et al. Prog. Theor. Exp. Phys. 2019\, 043D01 (2019).\n[6] S. Hanai et 
 al. Prog. Theor. Exp. Phys. 123H02 (2023).\n[7] P. Schrock et al. RIKEN Ac
 cel. Prog. Rep. 51 20 (2018).\n\nhttps://indico.ific.uv.es/event/7664/cont
 ributions/25474/
LOCATION:
URL:https://indico.ific.uv.es/event/7664/contributions/25474/
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