The study of neutron capture processes in AlN nanoparticles

2021 ◽  
pp. 2150127
Author(s):  
T. G. Naghiyev
Keyword(s):  
Computer Modeling ◽  
Cross Section ◽  
Neutron Capture ◽  
Absorption Cross Section ◽  
Effective Cross Section ◽  
Absorption Cross ◽  
Effective Absorption ◽  
Different Types ◽  
N Isotopes

The neutron capture processes in the AlN nanoparticles were investigated by computer modeling. Neutrons absorption were separately investigated for aluminum (Al) and nitrogen (N) atoms in the AlN nanoparticles. The modeling was performed separately for each stable Al and N isotopes, because the effective absorption cross-section of different types of isotopes of Al and N atoms is different. Moreover, effective cross-section spectra of neutron capture for aluminum and nitrogen atoms were comparatively investigated.

Effective neutron capture cross section and half-life of 155Eu

1970 ◽  
Vol 48 (16) ◽  
pp. 1933-1935 ◽  
Author(s):  
R. S. Mowatt
Keyword(s):  
Cross Section ◽  
Neutron Capture ◽  
Absorption Cross Section ◽  
Half Life ◽  
Capture Cross Section ◽  
Capture Cross ◽  
Absorption Cross ◽  
Neutron Capture Cross Section ◽  
Effective Neutron

The half-life of 155Eu has been measured to be 4.65 ± 0.20 years and the absorption cross section has been found to be 4040 ± 125 b by a depletion method using a Ge(Li) detector. The sample of 155Eu was irradiated in the NRU pneumatic carrier where the flux has a small epithermal component. These values are very different from values of [Formula: see text] years and σ ~ 13 000 b reported previously.

State of the phycobilisome determines effective absorption cross-section of Photosystem II in Synechocystis sp. PCC 6803

2021 ◽  
Vol 1862 (12) ◽  
pp. 148494
Author(s):  
Elena A. Protasova ◽  
Taras K. Antal ◽  
Dmitry V. Zlenko ◽  
Irina V. Elanskaya ◽  
Evgeny P. Lukashev ◽  
...  
Keyword(s):  
Photosystem Ii ◽  
Cross Section ◽  
Absorption Cross Section ◽  
Absorption Cross ◽  
Effective Absorption ◽  
Synechocystis Sp ◽  
Pcc 6803

Neutron-alpha reactions in nano α-Si3N4 particles by neutrons

2021 ◽  
Vol 36 (24) ◽  
pp. 2150181
Author(s):  
T. G. Naghiyev
Keyword(s):  
Stable Isotope ◽  
Computer Modeling ◽  
Cross Section ◽  
Effective Cross Section ◽  
Different Types

Computer modeling was applied to the study of [Formula: see text] transmutations in [Formula: see text] nanoparticles under the influence of neutrons at different energies. The modeling was separately performed for each Si and N atoms in the [Formula: see text] nanoparticles and the effect of neutrons on transmutations was investigated. The simulations were conducted individually for each stable isotope due to different effective cross-section of the probability of transmutation in the different types of isotopes of silicon and nitrogen atoms. Effective cross-section spectra of [Formula: see text] transmutation in Si and N atoms were comparatively studied.

THE CYANOBACTERIAL CHLOROPHYLL-BINDING-PROTEIN ISIA ACTS TO INCREASE THE IN VIVO EFFECTIVE ABSORPTION CROSS-SECTION OF PSI UNDER IRON LIMITATION1

2011 ◽  
Vol 48 (1) ◽  
pp. 145-154 ◽  
Author(s):  
Thomas J. Ryan-Keogh ◽  
Anna I. Macey ◽  
Amanda M. Cockshutt ◽  
C. Mark Moore ◽  
Thomas S. Bibby
Keyword(s):  
Cross Section ◽  
Absorption Cross Section ◽  
Binding Protein ◽  
Absorption Cross ◽  
Effective Absorption

An investigation of silicon nitride (Si3N4) nanoparticles interaction with neutrons

2020 ◽  
pp. 2150104
Author(s):  
T. G. Naghiyev
Keyword(s):  
Silicon Nitride ◽  
Stable Isotope ◽  
Computer Modeling ◽  
Cross Section ◽  
Effective Cross Section ◽  
Different Types

The absorption of neutrons in nano-[Formula: see text] particles at different energies has been studied by computer modeling. The investigation was carried out separately for the silicon and nitrogen atoms that contain [Formula: see text] nanoparticles. Since the effective cross-section of absorption in different types of isotopes of silicon and nitrogen atoms is different, the modeling was performed separately for each stable isotope. Simultaneously, the effective cross-section spectra of neutrons for silicon and nitrogen atoms were studied.

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