Spectra and angular distributions strongly populated by 56Fe(a, d)58Co reaction at HI-13 Tandem accelerator using AE-E telescope system and Q3D magnetic spectrometer have been measured and analyzed with microscopic DW...Spectra and angular distributions strongly populated by 56Fe(a, d)58Co reaction at HI-13 Tandem accelerator using AE-E telescope system and Q3D magnetic spectrometer have been measured and analyzed with microscopic DWBA. The 6.79MeV state of 58Co was identified as stretched state with the ) configuration which has the highest coupled angular momentum 9+ so far observed. Evidence for 6.4MeV high excitation level on the anomalous enhancement in the cross section, with p-n pair coupled to the minimum allowed angular momentum was discussed. The level was first assigned to an unnatural parity state with F=l+ in 58Co.展开更多
Whole continuous a spectra of the p-^(11)B three-body sequential decay reaction have been measured by using a charge particle time-of-flight(TOF)spectrometer with the high-resolution passivated implanted planar silico...Whole continuous a spectra of the p-^(11)B three-body sequential decay reaction have been measured by using a charge particle time-of-flight(TOF)spectrometer with the high-resolution passivated implanted planar silicon detector.A characteristic shape of the saddle-type distribution was obtained.The Monte Carlo calculations show that observed a spectra can be interpreted by anisotropy sequential decay process of the intermediate nucleus ^(8)Be(1)for the p-^(11)B reaction.In the measurement,angular distributions were obtained for proton energies at 667 and 1370keV,respectively.Total cross-sections for the ^(11)B(p,α)^(8)Be(2α)reaction related to the clean fusion fuel were also reported at two bombarding energies.展开更多
基金National Natural Science Foundation of ChinaChina National Nuclear Corporation
文摘Spectra and angular distributions strongly populated by 56Fe(a, d)58Co reaction at HI-13 Tandem accelerator using AE-E telescope system and Q3D magnetic spectrometer have been measured and analyzed with microscopic DWBA. The 6.79MeV state of 58Co was identified as stretched state with the ) configuration which has the highest coupled angular momentum 9+ so far observed. Evidence for 6.4MeV high excitation level on the anomalous enhancement in the cross section, with p-n pair coupled to the minimum allowed angular momentum was discussed. The level was first assigned to an unnatural parity state with F=l+ in 58Co.
基金Supported in part by the National Natural Science Foundation of China under Grant Nos.19475006 and 19775065China National Nuclear Corporation.
文摘Whole continuous a spectra of the p-^(11)B three-body sequential decay reaction have been measured by using a charge particle time-of-flight(TOF)spectrometer with the high-resolution passivated implanted planar silicon detector.A characteristic shape of the saddle-type distribution was obtained.The Monte Carlo calculations show that observed a spectra can be interpreted by anisotropy sequential decay process of the intermediate nucleus ^(8)Be(1)for the p-^(11)B reaction.In the measurement,angular distributions were obtained for proton energies at 667 and 1370keV,respectively.Total cross-sections for the ^(11)B(p,α)^(8)Be(2α)reaction related to the clean fusion fuel were also reported at two bombarding energies.
