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+name hepparticles
+category Package
+shortdesc Macros for typesetting high energy physics particle names.
+longdesc HEPparticles is a set of macros for typesetting high energy
+longdesc particle names, to meet the following criteria: 1. The main
+longdesc particle name is a Roman or Greek symbol, to be typeset in
+longdesc upright font in normal contexts. 2. Additionally a superscript
+longdesc and/or subscript may follow the main symbol. 3. Particle
+longdesc resonances may also have a resonance specifier which is typeset in
+longdesc parentheses following the main symbol. In general the parentheses
+longdesc may also be followed by sub- and superscripts. 4. The particle
+longdesc names are expected to be used both in and out of mathematical
+longdesc contexts. 5. If the surrounding text is bold or italic then the
+longdesc particle name should adapt to that context as best as possible
+longdesc (this may not be possible for Greek symbols). A consequence of
+longdesc point 5 is that the well-known problems with boldness of particle
+longdesc names in section titles, headers and tables of contents
+longdesc automatically disappear if these macros are used. [description
+longdesc copied from TeX Catalogue]