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New resonances in C11 above the B10 + p threshold investigated by inverse kinematic resonant scattering

Gurpreet Kaur1, V. Guimarães1, J. C. Zamora1, M. Assunção2, J. Alcantara-Nunez1, A. L. de Lara1, E. O. N. Zevallos1, J. B. Ribeiro1, R. Lichtenthäler1 et al.

K. C. C. Pires1, O. C. B. Santos1, V. Morcelle3, and R. J. deBoer4

  • 1Instituto de Física, Universidade de São Paulo, São Paulo 05508-090, Brazil
  • 2Departamento de Física, Universidade Federal de São Paulo, Campus Diadema, São Paulo 09913-030, Brazil
  • 3Departamento de Física, Universidade Federal Rural do Rio de Janeiro, Rio de Janeiro 23890-000, Brazil
  • 4Department of Physics and the Joint Institute for Nuclear Astrophysics, University of Notre Dame, Notre Dame, Indiana 46556, USA

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Phys. Rev. C 105, 024609 – Published 17 February, 2022

DOI: https://doi.org/10.1103/PhysRevC.105.024609

Abstract

The spectroscopy of C11 has been investigated by the resonant scattering of B10+p with the thick target inverse kinematic method. The H1(B10,p)B10 reaction was measured at θc.m.=180∘, 170∘, 160∘, 150∘, and 140∘ using a 35.93 MeV B10 beam. Resonances in C11 between the excitation energy of 9.6 and 11.8 MeV are observed. The excitation functions are compared with previous data using thin target direct kinematics measurements. A multichannel R-matrix calculation under the kinematics assumption of resonant elastic scattering is performed and the resonant parameters, such as the resonant energy Ex, the spin-parity Jπ, and the proton-decay partial width Γp are extracted.

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Phys. Rev. C 105, 024609– Published 17 February, 2022
  • Received 22 October 2021
  • Accepted 24 January 2022
Article part of CHORUS
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