# Nuclear Level Densities for Modeling Nuclear Reactions: An Efficient Approach Using Statistical Spectroscopy

## Abstract

The general goal of the project is to develop and implement computer codes and input files to compute nuclear densities of state. Such densities are important input into calculations of statistical neutron capture, and are difficult to access experimentally. In particular, we will focus on calculating densities for nuclides in the mass range A {approx} 50-100. We use statistical spectroscopy, a moments method based upon a microscopic framework, the interacting shell model. Second year goals and milestones: Develop two or three competing interactions (based upon surface-delta, Gogny, and NN-scattering) suitable for application to nuclei up to A = 100. Begin calculations for nuclides with A = 50-70.

- Authors:

- Publication Date:

- Research Org.:
- San Diego State University Foundation

- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA)

- OSTI Identifier:
- 842401

- DOE Contract Number:
- FG52-03NA00082

- Resource Type:
- Technical Report

- Country of Publication:
- United States

- Language:
- English

- Subject:
- 73 NUCLEAR PHYSICS AND RADIATION PHYSICS; CAPTURE; COMPUTER CODES; ISOTOPES; MOMENTS METHOD; NEUTRON REACTIONS; NUCLEAR REACTIONS; NUCLEI; SHELL MODELS; SIMULATION; SPECTROSCOPY

### Citation Formats

```
Calvin W. Johnson.
```*Nuclear Level Densities for Modeling Nuclear Reactions: An Efficient Approach Using Statistical Spectroscopy*. United States: N. p., 2005.
Web. doi:10.2172/842401.

```
Calvin W. Johnson.
```*Nuclear Level Densities for Modeling Nuclear Reactions: An Efficient Approach Using Statistical Spectroscopy*. United States. doi:10.2172/842401.

```
Calvin W. Johnson. Wed .
"Nuclear Level Densities for Modeling Nuclear Reactions: An Efficient Approach Using Statistical Spectroscopy". United States. doi:10.2172/842401. https://www.osti.gov/servlets/purl/842401.
```

```
@article{osti_842401,
```

title = {Nuclear Level Densities for Modeling Nuclear Reactions: An Efficient Approach Using Statistical Spectroscopy},

author = {Calvin W. Johnson},

abstractNote = {The general goal of the project is to develop and implement computer codes and input files to compute nuclear densities of state. Such densities are important input into calculations of statistical neutron capture, and are difficult to access experimentally. In particular, we will focus on calculating densities for nuclides in the mass range A {approx} 50-100. We use statistical spectroscopy, a moments method based upon a microscopic framework, the interacting shell model. Second year goals and milestones: Develop two or three competing interactions (based upon surface-delta, Gogny, and NN-scattering) suitable for application to nuclei up to A = 100. Begin calculations for nuclides with A = 50-70.},

doi = {10.2172/842401},

journal = {},

number = ,

volume = ,

place = {United States},

year = {2005},

month = {8}

}

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