Участник:Arbnos/ГексакваркВ физике элементарных частиц гексакварк — многочисленная группа гипотетических частиц, которая должна состоять из шести кварков или антикварков любого аромата. С шестью составляющими частицами существует несколько способов объединения кварков, так чтобы их цветовой заряд равен нулю: a hexaquark can either contain six quarks, resembling two baryons bound together (a dibaryon), or three quarks and three antiquarks.[1] Dibaryons are predicted to be fairly stable once formed. Robert Jaffe proposed the existence of a possibly stable H dibaryon (with the quark composition udsuds), made by combining two uds hyperons, in 1977.[2] A number of experiments have been suggested to detect dibaryon decays and interactions. Several candidate dibaryon decays were observed but not confirmed in the 1990s.[3][4][5] There is a theory that strange particles such as hyperons[6] and dibaryons[7] could form in the interior of a neutron star, changing its mass-radius ratio in ways that might be detectable. Conversely, measurements of neutron stars set constraints on possible dibaryon properties.[8] A large fraction of the neutrons in a neutron star could turn into hyperons and merge into dibaryons during the early part of its collapse into a black hole. These dibaryons would very quickly dissolve into quark–gluon plasma during the collapse, or go into some currently unknown state of matter. В 2014 потенциальный дибарион был обнаружен Юлихским исследовательским центром на энергии 2380 МэВ. Частица существует 10−23 секунд и была названа d*(2380).[9] См. также
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