sci.physics.particle

If you are going to use the pdg data in a divulgation article, it
could be a good idea to sepak of the first and second espectroscopy,
in order for people to understand the excited states.


On Oct 3, 5:27 am, "Autymn D. C." wrote:
> On Sep 23, 7:33 am, Kuba Glad wrote:
>
> > I try to find total number of discovered hadrons (including resonances)
> > but after 3 hours of googling I surrender. Particle Data Group
>
> > /
>
> > seems to have most comprehensive database, but they don't provide info
> > on this level of simplicity. When I started to count mesons I've got two
> > different sums, depending on the document I used to count (164 and 226).
>
> > As I'm not a physicist it's hard for me to find suitable document, where
> > I could do counting. Could someone help me with this task ? I need this
> > number for science-popularization article. Also distinction between
> > particles and antiparticles would be helpful.
>
> When do you need this done?
>
> I'v the /Review of Particle Physics/ (2006, 1232 pages!) with me. In
> the summary tabula there are 157 mes=F2ns, 103 confirmed, 96 further
> states; 127 baru=F2ns, 75 confirmed, 12 further states--antis count as
> the same. Nearly all of these are greater-mass/momentum excitations
> of the same quark compounds. (Would you count the nearly-infinite
> energy levels of hydrogen as separate atoms?) A handful are
> composite: glueballs, dimes=F2ns, dibaru=F2ns, maybe three pentaquarks.
>
> -Aut