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pycnonuclear reaction comparison table
Subject has part reactant has antonym has location has domain has reaction probability has required reactant concentration has reactant has part product is a kind of has part intermediate product has minimum mass has catalyst has synonym has product has definition liberates energy has optimum temperature has temperature dependence produces energy has minimum temperature has next higher temperature reaction
proton-proton chainprotonfissionthe center of the Sun an other starsphysics highhydrogenheliumpycnonuclear reactiontritium0.08 solar masses p-p chainheliumAn important nuclear fusion reaction that occurs in stars. It begins with the fusion of two hydrogen nuclei, each of which consists of a single proton. 5 million KelvinET4 107 Kcarbon cycle

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