Disoriented isospin condensates may be the source of anomalous kaon correlations measured in Pb-Pb collisions at √(s_NN) = 2.76 TeV
arxiv(2023)
摘要
The magnitude of fluctuations between charged and neutral kaons measured by
the ALICE Collaboration in heavy-ion collisions at the LHC exceeds conventional
explanation. Here it is shown that if the scalar condensate, which is typically
associated with chiral symmetry, is accompanied by an isospin=1 field, then the
combination can produce large fluctuations where ⟨u̅u⟩⟨d̅d⟩. Hadronizing strange and anti-strange quarks might
then strongly fluctuate between charged (us̅ or su̅) and neutral
(ds̅ or sd̅) kaons.
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