Radiative p11C Capture Reaction Rate

2022 ◽  
Author(s):  
S. B. Dubovichenko ◽  
N. A. Burkova ◽  
R. R. Shamitova
Keyword(s):  
Reaction Rate ◽  
Capture Reaction

scholarly journals Influence of resonances on the 11B(n,γ)12B capture reaction rate. Capture to the ground state of 12B

2020 ◽  
Vol 123 ◽  
pp. 102481
Author(s):  
S.B. Dubovichenko ◽  
N.A. Burkova ◽  
A.V. Dzhazairov-Kakhramanov ◽  
A.S. Tkachenko
Keyword(s):  
Ground State ◽  
Reaction Rate ◽  
Capture Reaction

scholarly journals Constraints on stellar evolution from white dwarf asteroseismology

2014 ◽  
Vol 9 (S307) ◽  
pp. 211-212
Author(s):  
Agnès Bischoff-Kim
Keyword(s):  
Stellar Evolution ◽  
Reaction Rate ◽  
Time Dependent ◽  
High Mass ◽  
Low Mass Stars ◽  
Capture Reaction ◽  
The Core ◽  
Inert Core ◽  
Core Phase ◽  
Low Mass

AbstractHigh mass and low mass stars follow a similar evolution until the inert core phase that follows the end of the core helium burning stage. In particular, one common phase of stellar evolution is the alpha capture reaction that turns carbon into oxygen in the core. We can obtain constraints on this reaction rate by studying the remnants of low mass stars, as this is the ultimate reaction that occurs in their core. We also present results that allow us to test the time dependent calculations of diffusion in dense interiors.

scholarly journals Clustering and α -capture reaction rate from ab initio symmetry-adapted descriptions of Ne20

2020 ◽  
Vol 102 (4) ◽  
Author(s):  
A. C. Dreyfuss ◽  
K. D. Launey ◽  
J. E. Escher ◽  
G. H. Sargsyan ◽  
R. B. Baker ◽  
...  
Keyword(s):  
Ab Initio ◽  
Reaction Rate ◽  
Capture Reaction

Locating Al in the DABCO catalyst before and after Al extraction

1990 ◽  
Vol 48 (4) ◽  
pp. 265-267
Author(s):  
Kathleen B. Reuter
Keyword(s):  
Active Site ◽  
Inverse Relationship ◽  
Transverse Direction ◽  
Reaction Rate ◽  
Acid Phosphate ◽  
Fracture Surfaces ◽  
Al Content ◽  
Before And After ◽  
Relationship Of

The reaction rate and efficiency of piperazine to 1,4-diazabicyclo-octane (DABCO) depends on the Si/Al ratio of the MFI topology catalysts. The Al was shown to be the active site, however, in the Si/Al range of 30-200 the reaction rate increases as the Si/Al ratio increases. The objective of this work was to determine the location and concentration of Al to explain this inverse relationship of Al content with reaction rate.Two silicalite catalysts in the form of 1/16 inch SiO2/Al2O3 bonded extrudates were examined: catalyst A with a Si/Al of 83; and catalyst B, the acid/phosphate Al extracted form of catalyst A, with a Si/Al of 175. Five extrudates from each catalyst were fractured in the transverse direction and particles were obtained from the fracture surfaces near the center of the extrudate diameter. Particles were also obtained from the outside surfaces of five extrudates.

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