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Journal Articles

$$alpha$$-induced total reaction cross sections based on the intranuclear cascade model

Nakano, Masahiro*; Yamaguchi, Yuji; Furuta, Toshimasa*; Uozumi, Yusuke*

Physical Review C, 110(6), p.064620_1 - 064620_5, 2024/12

https://doi.org/10.1103/PhysRevC.110.064620
 Times Cited Count：1 Percentile：35.22(Physics, Nuclear)

Alpha-induced total reaction cross sections in the low-energy region below 400 MeV are investigated using an intranuclear cascade model based on the extended framework for nucleon- and deuteron-induced reactions. Experimental data for $$^{12}$$C, $$^{28}$$Si, $$^{40}$$Ca, and $$^{208}$$Pb targets are reproduced well by calculations performed with reasonable parameters close to those determined in other studies. It is shown that two effects, namely, discrete level constraint (DLC) and the Coulomb effect, provide important contributions that depend on the incident- energy and target. The DLC effect is limited to a narrow region of low-energy and is very important in light targets. The Coulomb effect is decisive on cross sections in $$^{208}$$Pb, while the DLC contribution for the heavy target is small. It is concluded that this trend in the contribution of both effects is consistent with proton- and deuteron-induced total reaction cross sections.

Journal Articles

Double-differential cross sections for charged particle emissions from $$alpha$$ particle impinging on Al at 230 MeV/u

Furuta, Toshimasa*; Uozumi, Yusuke*; Yamaguchi, Yuji; Iwamoto, Yosuke; Koba, Yusuke*; Velicheva, E.*; Kalinnikov, V.*; Tsamalaidze, Z.*; Evtoukhovitch, P.*

Journal of Nuclear Science and Technology, 61(2), p.230 - 236, 2024/02

https://doi.org/10.1080/00223131.2023.2294192
 Times Cited Count：1 Percentile：17.48(Nuclear Science & Technology)

Charged particle production from $$alpha$$ particle fragmentation reactions was investigated experimentally by measurement of 230-MeV/u $$alpha$$ particles bombarding an aluminum target. Double differential cross sections were measured for each ejectile of p, d, t, $$^{3}$$He, and $$^{4}$$He at laboratory angles between 15 and 60 deg. The results of analyzed data found the following common characteristics: (1) spectra of proton- and neutron-emission are similar in high energy region at forward angle, (2) triton-to-$$^{3}$$He ratio of $$alpha$$-breakup yield is 1:2, which is similar to lower incident energy experiment, and (3) the shape of broad peak formed by $$^{3}$$He and $$alpha$$ particles could be explained by the process with collision between induced $$alpha$$ particle and target nucleus.

Oral presentation

Measurement of $$alpha$$ of 230 MeV/u incident charged particles production double differential cross section

Furuta, Toshimasa*; Uozumi, Yusuke*; Yamaguchi, Yuji; Iwamoto, Yosuke; Sanami, Toshiya*; Koba, Yusuke*

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