Chinese Physics C > 1977, Vol. 1 > Issue(1): 70-78

αPARTICLES EMITTED IN THE REACTION OF¹²C ON²⁰⁹Bi

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Abstract：
The energy spectra and angular distributions of alpha particles emitted in the reaction of 12C on 209Bi in the energy range 61.1—73.0 MeV were observed.The △E— E detector system was used to separate alpha particles and other particles emitted in this reaction.The results can be interpreted in terms of the reaction mechanism,in which a 8Be cluster is transfered from the projectile to the target.Good agreement has been obtained between the cross section for the production of the direct alpha particles and that of the heavy residue 217*Fr which,left in the ground state after evaporation of 2 neutron's,decays into 211At by alpha emission.The experimental energy spectra and angular distributions have been fitted by a semi-classical formula for the differential cross section per unit solid angle and energy interval.

References

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[14]	LI QING-RUN,CHEN SHENG-ZHONG,ZHAO EN-GUANG. ELASTIC π^--¹²C SCATTERING IN THE α-PARTICLE MODEL. Chinese Physics C, 1981, 5(6): 641-647.
[15]	Xu SHU-WEI. A COMPLEMENTARY ANALYSIS OF THE EXPERIMENTAL DATA FOR REACTION¹²C+²⁰⁹Bi AT THE INCIDENT ENERGIES SLIGHTLY ABOVE THE COULOMB BARRIER. Chinese Physics C, 1981, 5(4): 518-520.
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SHEN WEN-GING, XU SHU-WEI, WANG DA-YAN, XIE YUAN-XIANG, GUO ZHONG-YAN and LI ZU-YU. αPARTICLES EMITTED IN THE REACTION OF ¹²C ON ²⁰⁹Bi[J]. Chinese Physics C, 1977, 1(1): 70-78.

SHEN WEN-GING, XU SHU-WEI, WANG DA-YAN, XIE YUAN-XIANG, GUO ZHONG-YAN and LI ZU-YU. αPARTICLES EMITTED IN THE REACTION OF ¹²C ON ²⁰⁹Bi[J]. Chinese Physics C, 1977, 1(1): 70-78. shu

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Received: 1977-08-03
Revised: 1900-01-01

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通讯作者:陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

αPARTICLES EMITTED IN THE REACTION OF¹²C ON²⁰⁹Bi

Received Date:1977-08-03

Accepted Date:1900-01-01

Available Online:1977-11-05

Abstract:The energy spectra and angular distributions of alpha particles emitted in the reaction of 12C on 209Bi in the energy range 61.1—73.0 MeV were observed.The △E— E detector system was used to separate alpha particles and other particles emitted in this reaction.The results can be interpreted in terms of the reaction mechanism,in which a 8Be cluster is transfered from the projectile to the target.Good agreement has been obtained between the cross section for the production of the direct alpha particles and that of the heavy residue 217*Fr which,left in the ground state after evaporation of 2 neutron's,decays into 211At by alpha emission.The experimental energy spectra and angular distributions have been fitted by a semi-classical formula for the differential cross section per unit solid angle and energy interval.

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αPARTICLES EMITTED IN THE REACTION OF¹²C ON²⁰⁹Bi

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