CAS OpenIR  > 中科院上海应用物理研究所2011-2020年
New measurement of the excited states in B-11 via elastic resonance scattering of Be-10 + p
Liu, YD; Wang, HW; Ma, YG; Cao, XG; Zhang, GQ; Fang, DQ; Lyu, M; He, WB; Dai, ZT; Li, C; Zhou, CL; Ye, SQ; Tao, C; Wang, J; Kumar, S; Han, JL; Yang, YY; Ma, P; Ma, JB; Jin, SL; Bai, Z; Jin, L; Yan, D; Wang, JS
2015
Source PublicationPHYSICAL REVIEW C
Volume91Issue:4Pages:
Subtype期刊文献
AbstractThe elastic resonance scattering protons decayed from B-11 to the ground state of Be-10 were measured by using the thick-target technique in inverse kinematics at the Heavy Ion Research Facility in Lanzhou (HIRFL). The obtained excitation functions were well described by a multichannel R-matrix procedure under the kinematics process assumption of resonant elastic scattering. The excitation energy of the resonant states ranges from 13.0 to 17.0 MeV, and their resonant parameters such as the resonant energy E-x, the spin-parity J(pi), and the proton-decay partial width Gamma(p) were determined from R-matrix fits to the data. Two of these states around E-x = 14.55 MeV [J(pi) = (3/2(+), 5/2(+)), Gamma(p) = 475 +/- 80 keV] and E-x = 14.74 MeV [J(pi) = 3/2(-), Gamma(p) = 830 +/- 145 keV], and a probably populated state at E-x = 16.18 MeV [J(pi) = (1/2(-), 3/2-), Gamma(p) < 60 keV], are respectively assigned to the well-known states in B-11 at 14.34, 15.29, and 16.43 MeV. The isospin of these three states were previously determined to be T = 3/2, but discrepancies exist in widths and energies due to the current counting statistics and energy resolution. We have compared these states with previous measurements, and the observation of the possibly populated resonance is discussed.
KeywordLight-nuclei A=11-12 Energy-levels Parity States Shell Decay C-11
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/24507
Collection中科院上海应用物理研究所2011-2020年
Recommended Citation
GB/T 7714
Liu, YD,Wang, HW,Ma, YG,et al. New measurement of the excited states in B-11 via elastic resonance scattering of Be-10 + p[J]. PHYSICAL REVIEW C,2015,91(4):—.
APA Liu, YD.,Wang, HW.,Ma, YG.,Cao, XG.,Zhang, GQ.,...&Wang, JS.(2015).New measurement of the excited states in B-11 via elastic resonance scattering of Be-10 + p.PHYSICAL REVIEW C,91(4),—.
MLA Liu, YD,et al."New measurement of the excited states in B-11 via elastic resonance scattering of Be-10 + p".PHYSICAL REVIEW C 91.4(2015):—.
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