coincidence spectrometer
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Author(s):  
Kristján Matthíasson ◽  
Agust Kvaran ◽  
Gustavo Adolfo Garcia ◽  
Peter Weidner ◽  
Balint Sztáray

Coincidence ion pair production (cipp) spectra of F2 were recorded on the DELICIOUS III coincidence spectrometer in the one-photon excitation region of 125 975–126 210 cm–1. The F+ + F–...


Author(s):  
Nguyen Ngoc Anh ◽  
Nguyen Xuan Hai ◽  
Hồ Hữu Thắng ◽  
Phan Bao Quoc Hieu ◽  
Truong Van Minh

The present paper proposes an algorithm to improve the energy resolution of two-step cascade spectrum. The energy resolution plays an important role in the domain of gamma spectrum analysis. The better the energy resolution is, the better the ability of peak resolving is. The algorithm is constructed based on an analyze of energy resolution of the summation amplitude of coincident pulses spectrometer using the analogue technique. The algorithm proposed has been tested on some two-step cascade spectra of 164Dy nucleus obtained from the (n, ) reaction experiment using the gamma – gamma coincidence spectrometer at Dalat Nuclear Research Institute. Two-step cascade spectra corresponding to the cascade decays from the compound state to final states whose energies are 0, 74, and 242 keV have been evaluated. The results obtained show that the energy resolution of the two-step cascade spectrum has been reduced by 1.05 to 2.04 times within the energy range of 586 to 6830 keV. Our algorithm can therefore be applied to improve the ability of peak deconvolution, the accuracy, and the realibility in analyzing two-step cascade spectra.


2020 ◽  
Vol 102 (1) ◽  
Author(s):  
Nguyen Ngoc Anh ◽  
Nguyen Quang Hung ◽  
Nguyen Xuan Hai ◽  
Pham Dinh Khang ◽  
A. M. Sukhovoj ◽  
...  

2020 ◽  
Vol 22 (3) ◽  
pp. 1222-1241 ◽  
Author(s):  
Jérémy Bourgalais ◽  
Zied Gouid ◽  
Olivier Herbinet ◽  
Gustavo A. Garcia ◽  
Philippe Arnoux ◽  
...  

Using a tunable vacuum ultraviolet synchrotron beam line and first principle computations, a jet-stirred reactor was coupled for the first time to a photoionization mass spectrometer using electron/ion coincidence imaging.


2019 ◽  
Vol 100 (2) ◽  
Author(s):  
Nguyen Ngoc Anh ◽  
Nguyen Quang Hung ◽  
Nguyen Xuan Hai ◽  
Pham Dinh Khang ◽  
A. M. Sukhovoj ◽  
...  

2018 ◽  
Vol 89 (12) ◽  
pp. 123304 ◽  
Author(s):  
J. A. Gibbard ◽  
A. J. Shin ◽  
E. Castracane ◽  
R. E. Continetti

2017 ◽  
Vol 964 ◽  
pp. 55-68 ◽  
Author(s):  
Ngoc Anh Nguyen ◽  
Xuan Hai Nguyen ◽  
Dinh Khang Pham ◽  
Quang Hung Nguyen ◽  
Huu Thang Ho

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