Andy Buckley submitted an update to the
HEPparticles
package.
Version number: 2.0 License type: lppl
Summary description: Macros for typesetting high energy physics particle names.
Announcement text: ----------------------------------------------------------------------
Version 2.0 is a major update which completely reworks the underlying typesettign machinery. Several package options and macros have been removed along with this implementation clean-up.
Previously hacky implementations of superscript & subscript height control and font context styling are now done much better via the subdepth package and proper use of NFSS attributes and math alphabets. The maybemath package is no longer required.
Also , horizontal placements of sub/superscripts in various particle classes (barred, tilded, bold, sans, upright, etc.) have been greatly improved for the standard Computer Modern font and user-settable macros are now provided to allow tweaking of these positions for other fonts.
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This package is located at http://mirror.ctan.org/macros/latex/contrib/hepparticles
More information is at http://www.ctan.org/pkg/HEPparticles
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Thanks for the upload.
For the CTAN Team Manfred Lotz