Energy Levels of Light Nuclei, A = 3 - 20

Nuclear Data Evaluation Project
Triangular Universities Nuclear Laboratory

TUNL Nuclear Data
Evaluation Home Page

Information on mass
chains and nuclides
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
Group Info
General Tables
Level Diagrams
Tables of EL's
NSR Key# Retrieval
Excitation Functions
Thermal N Capt.
G.S. Decays
Half-Lives Table
TUNL Dissertations
NuDat at BNL
Useful Links
Citation Examples
Email Us



TUNL Nuclear Data Group: Who we are and what we do.

Our publications on Energy Levels of Light Nuclei, A = 5 - 20:
Publications: TUNL evaluations of A = 3 - 20, and modified versions of Fay Ajzenberg-Selove's publications of A = 5 - 20, are available here in PDF format. The most recent HTML documents of A = 3 - 20, and EL diagrams of A = 4 - 20 are also available here. Some reprints and preprints may be requested by mail.

HTML for Nuclides: HTML documents are available for individual nuclides found within the TUNL or FAS evaluations.

Resources relating to our publications:

Energy Level Diagrams are available for A = 4 - 20 nuclides.

Tables of Energy Levels: a brief listing of tables of energy levels from the most recent publication for each nuclide A = 4 - 20.

SiteMap and Complete List of Available TUNL Documents: Trying to find a specific TUNL evaluation or preliminary report, HTML document, General Table, Update List or Energy Level Diagram? Click here for a complete list of what's available on our website.

Applications and databases relating to the A = 3 - 20 nuclides:

NSR Key Number Retrieval

ENSDF: Information for A = 2 - 20 nuclides available through the National Nuclear Data Center (NNDC) site.

Excitation Functions: Compilation of the excitation functions for various (p, X) and (α, X) reactions.

Thermal Neutron Capture Data: Summary of level and branching intensity data measured in Thermal Neutron Capture.

Ground-State Decay Data: Summary of half-life, branching intensity, and mass excess data measured in ground state beta- and charged-particle-decay.

Half-Lives Table: List table of nuclear decay half-lives.

NuDat at BNL: Allows to search and plot nuclear structure and nuclear decay data interactively.

Helpful links:

TUNL Dissertations: Online access of TUNL dissertations collection. This site is in progress.

Links: Important links to the National Nuclear Data Center, online nuclear physics journals, and other useful sites.

Citation examples: A brief listing of examples of how to format your bibliography, references or citations from the information you obtain from our website.


Email us with problems, questions, suggestions, etc.

This material is based upon work supported by the U.S. Department of Energy, Office of Science, Office of Nuclear Physics.


Last modified: 26 April 2017

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