๐”– Bobbio Scriptorium
โœฆ   LIBER   โœฆ

An approximation scheme for the rp-process

โœ Scribed by J.-F. Rembges; Ch. Freiburghaus; F.-K. Thielemann; H. Schatz; M. Wiescher


Publisher
Elsevier Science
Year
1997
Tongue
English
Weight
175 KB
Volume
621
Category
Article
ISSN
0375-9474

No coin nor oath required. For personal study only.

โœฆ Synopsis


The Rapid Proton Capture Process (rp-process) describes the sequence of responsible nuclear reactions for the thermonuclear energy generation during explosive hydrogen burning on accreting compact objects in binary stellar systems.

In principle, all unstable proton-rich nuclei must be taken into account, but treating each nucleus separately makes numerical simulations which include hydrodynamics inefficient and expensive. Therefore, an accurate approximation scheme for the rp-process is highly desirable. In the present investigation we show how a general understanding of the nuclear reaction flows leads automatically to such a scheme and provides information about the reactions where experimental information from radioactive beam facilities is required.


๐Ÿ“œ SIMILAR VOLUMES


An improved approximation scheme for the
โœ C. S. Helvig; Gabriel Robins; Alexander Zelikovsky ๐Ÿ“‚ Article ๐Ÿ“… 2000 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 322 KB ๐Ÿ‘ 1 views

the Group Steiner Problem asks for a minimumcost tree which contains at least one node from each group N i N i N i . In this paper, we give polynomial-time O O O(k k k )approximation algorithms for any fixed > > > 0. This result improves the previously known O O O(k k k)-approximation. We also apply

An approximation scheme for some Steiner
โœ Wang, Lusheng; Jiang, Tao ๐Ÿ“‚ Article ๐Ÿ“… 1996 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 536 KB

We design a polynomial-time approximation scheme for the Steiner tree problem in the plane when the given set of regular points is c-local, i.e., in the minimum-cost spanning tree for the given set of regular points, the length of the longest edge is at most c times the length of the shortest edge.

An efficient fully polynomial approximat
โœ Hans Kellerer; Renata Mansini; Ulrich Pferschy; Maria Grazia Speranza ๐Ÿ“‚ Article ๐Ÿ“… 2003 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 238 KB

Given a set of n positive integers and a knapsack of capacity c; the Subset-Sum Problem is to find a subset the sum of which is closest to c without exceeding the value c: In this paper we present a fully polynomial approximation scheme which solves the Subset-Sum Problem with accuracy e in time Oรฐm