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snorkack
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How often are visible matter particles seen to undergo elastic scattering with particles that remain otherwise unseen?
Known particles that may cause such scattering include neutrinos and antineutrinos (three flavours each) which are also seen in inelastic destruction and formation processes. Also, since dark matter is thought to not fit neutrino properties, that also means unknown number of different dark matter particles are eligible to cause elastic scattering of visible particles.
So, how well is background of elastic scattering events measured?
Known particles that may cause such scattering include neutrinos and antineutrinos (three flavours each) which are also seen in inelastic destruction and formation processes. Also, since dark matter is thought to not fit neutrino properties, that also means unknown number of different dark matter particles are eligible to cause elastic scattering of visible particles.
So, how well is background of elastic scattering events measured?