- Example of how to reference this online database:
- Berger, M.J., Hubbell, J.H., Seltzer, S.M., Chang, J., Coursey, J.S., Sukumar, R., and Zucker, D.S. (2005), XCOM: Photon Cross Section Database (version 1.3). [Online] Available: http://physics.nist.gov/xcom [2009, January 18]. National Institute of Standards and Technology, Gaithersburg, MD.
Optional addition:
Originally published as Berger, M.J. and Hubbell, J.H., "XCOM: Photon Cross Sections on a Personal Computer," NBSIR 87-3597, National Bureau of Standards (former name of NIST), Gaithersburg, MD (1987); and as Berger, M.J. and Hubbell, J.H., "NIST X-ray and Gamma-ray Attenuation Coefficients and Cross Sections Database," NIST Standard Reference Database 8, Version 2.0, National Institute of Standards and Technology, Gaithersburg, MD (1990).- Citation Form:
- Author/editor (Year), Title (edition). [Type of medium] Available: URL [Access date].
Version 1.3 August 2005 |
Improvements were made to the graphing procedure. |
Version 1.2 August 1999 |
XCOM version 3.1 FORTRAN-77 source code and executables made available for downloading. |
Version 1.1.3 May 1999 |
Additional energies limited to 75 to ensure accurate data. |
Version 1.1.2 April 1999 |
Users were advised to use no more than 70 additional energies. |
Version 1.1.1 October 1998 |
Correction made to properly deal with very small components of mixtures. |
Version 1.1 July 1998 |
New user interface, extended graphing capabilities, and text modifications to reflect these changes. |
Version 1.0 March 1998 |
|
Earlier Publication July 1987 |
"XCOM: Photon Cross Sections on a Personal Computer,"
NBSIR 87-3597, M.J. Berger and J.H. Hubbell, National Bureau of Standards (former name of NIST), Gaithersburg, MD. |