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Comment on "Search for new particles decaying into electron pairs of mass below 100 MeV/c²"
classification
⚛️ nucl-ex
astro-ph.HEhep-ph
keywords
massparticlesphysproductionbelowbombardmentclaimedcomment
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A re-analysis of data from electron-pair production following 160 A GeV 207Pb bombardment of nuclear emulsions indicates the production and decay of neutral particles of significantly lower invariant mass and shorter lifetimes than previously claimed (J. Phys. G: Nucl. Part. Phys. 34 (2007) 129-138).
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Cited by 1 Pith paper
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Possible Evidence for Neutral Color-Singlet $q\bar q$ Quark Matter from High-Energy Pb-Emulsion Collisions
The complex e+e- invariant mass spectrum below 50 MeV is attributed to thermal annihilation and bound states of QED-deconfined and confined neutral q bar q quark matter.
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