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Found: Elusive particle!
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<blockquote data-quote="freyar" data-source="post: 5887159" data-attributes="member: 40227"><p>Whew, really getting into the nitty-gritty. I guess it's ok since I suspect we've lost the rest of the audience for this thread anyway. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite2" alt=";)" title="Wink ;)" loading="lazy" data-shortname=";)" /></p><p></p><p>I might be able to figure out meson annihilations if I looked the right things up, but I'm not sure I've ever seen them discussed. Because they're all unstable, it's usually the decays that are worked out.</p><p></p><p>The main difficulty with using Standard Model particles in examples is making sure that physics that doesn't have to do with statistics is roughly held constant in the comparison (phase space for the annihilation, couplings, etc). So I'd tend to go for thought experiments.</p></blockquote><p></p>
[QUOTE="freyar, post: 5887159, member: 40227"] Whew, really getting into the nitty-gritty. I guess it's ok since I suspect we've lost the rest of the audience for this thread anyway. ;) I might be able to figure out meson annihilations if I looked the right things up, but I'm not sure I've ever seen them discussed. Because they're all unstable, it's usually the decays that are worked out. The main difficulty with using Standard Model particles in examples is making sure that physics that doesn't have to do with statistics is roughly held constant in the comparison (phase space for the annihilation, couplings, etc). So I'd tend to go for thought experiments. [/QUOTE]
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Found: Elusive particle!
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