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Lets consider a light particle in a high-energy process. Can this light particle radiate "Bremsstrahlung particles" which are heavier than the initial light particle?

In this context I don't refer to the usual Bremsstrahlung emission of photons but to the emission of massive particles such as pions in high-energy processes.

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  • $\begingroup$ Wouldn't that break the conservation of energy? $\endgroup$
    – Mitchell D
    Jan 13, 2016 at 11:38
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    $\begingroup$ Actually I suppose theoretically as long as conservation of energy is observed, it would be possible. However I'm not aware of any phenomenon where this occurs in reality $\endgroup$
    – Mitchell D
    Jan 13, 2016 at 11:41

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At the LHC (among other places), W bosons, Z bosons, and Higgs particles are produced in proton-proton collisions.

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  • $\begingroup$ But that is not Bremsstrahlung... $\endgroup$
    – Thomas
    Jan 15, 2016 at 17:10
  • $\begingroup$ Traditionally Bremsstrahlung is photons, which are massless. You mention pion creation, which can happen for e.g. hard electron beams on hydrogen targets, like at JLab. I guess I'm not clear what features of Bremsstrahlung you're hoping to preserve in a non-EM process? $\endgroup$
    – rob ♦
    Jan 15, 2016 at 18:03

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