gdr region
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2019 ◽  
Author(s):  
M. Krzysiek ◽  
E. Açıksöz ◽  
D. Balabanski ◽  
F. Camera ◽  
L. Capponi ◽  
...  
Keyword(s):  

2016 ◽  
Vol 94 (2) ◽  
pp. 243-248 ◽  
Author(s):  
Debasis Bhowmick ◽  
F.A. Khan ◽  
Debasis Atta ◽  
D.N. Basu ◽  
Alok Chakrabarti

Photofission of actinides is studied in the region of nuclear excitation energies that covers the entire giant dipole resonance (GDR) region. The mass distributions of 238U photofission fragments have been explored theoretically for eight different endpoint bremsstrahlung energies from 11.5 to 67.7 MeV, which correspond to average photon energies of 9.09 to 15.90 MeV. Among these energies, 29.1 MeV corresponds to the average photon energy of 13.7 ± 0.3 MeV, which coincides with the GDR peak for 238U photofission. The integrated yield of 238U photofission, as well as charge distribution of photofission products, is calculated and its role in producing nuclei and their neutron-richness is investigated.


2015 ◽  
Vol 590 ◽  
pp. 012003
Author(s):  
T Hayakawa ◽  
S Miyamoto ◽  
T Mochizuki ◽  
K Horikawa ◽  
S Amano ◽  
...  

2014 ◽  
Vol 24 (3S2) ◽  
pp. 38-44
Author(s):  
Pham Duc Khue ◽  
Nguyen Van Do

We investigate the energy dependence of the isomeric yield ratios for the \(^{nat}\)Sm\((\gamma ,xn)^{143m,g}\)Sm reactions with bremsstrahlung energies of 40-, 45-, and 50-MeV, just above the giant dipole resonance (GDR) region by the off-line $\gamma $-ray spectrometric method. The bremsstrahlung photons were produced from the 100 MeV electron linear accelerator (linac) at the Pohang accelerator laboratory (PAL), Pohang, Korea. In order to improve the accuracy of the experimental results the necessary corrections were made. The present results are compared with similar literature data of the $^{nat}$Sm($\gamma $,xn)$^{143m,g}$Sm reactions measured at various photon energies and of the $^{nat}$Sm(n,2n)$^{143m,g}$Sm reaction induced by 14 MeV neutrons in order to examine the effects of an excitation energy and an input angular momentum.


2003 ◽  
Vol 722 ◽  
pp. C568-C572 ◽  
Author(s):  
Tran Duc Thiep ◽  
Nguyen Van Do ◽  
Truong Thi An ◽  
Nguyen Ngoc Son

1986 ◽  
Vol 325 (1) ◽  
pp. 55-60
Author(s):  
Z. Szefliński ◽  
G. Szeflińska ◽  
H. V. Klapdor ◽  
K. Grotz ◽  
T. Rzaca-Urban ◽  
...  

Author(s):  
T. Rzaca-Urban ◽  
G. Szeflinska ◽  
Z. Szeflinski ◽  
Z. Wilhelmi ◽  
H. V. Klapdor ◽  
...  
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