Efficient Method for Lorentz Integral Transforms of Reaction Cross Sections

M. A. Marchisio*, N. Barnea, W. Leidemann, G. Orlandini

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

38 Scopus citations

Abstract

The Lorentz integral transform (LIT) method, which allows ab-initio calculations of few-body cross sections, is reformulated via the Lanczos algorithm. The new technique, being quite general, is tested on inclusive and exclusive photonuclear reactions on three- and four-body nuclei. Due to the rapid convergence of the algorithm one gains a substantial decrease in CPU time with an excellent agreement with the results of a conventional LIT calculation. The present work opens up the possibility of ab-initio calculations for inclusive and exclusive processes for systems with a number of particles N ≥ 6.

Original languageAmerican English
Pages (from-to)259-276
Number of pages18
JournalFew-Body Systems
Volume33
Issue number4
DOIs
StatePublished - Dec 2003

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