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Three-flavor chiral effective model with four baryonic multiplets within the mirror assignment

机译:三种镜子分配中的四个缩放式多功能的三种调味手性有效模型

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摘要

Westudythree-flavoroctetbaryonsbyusingtheso-calledextendedLinearSigmaModel(eLSM).Withinaquark-diquarkpicture,therequirementofamirrorassignmentnaturallyleadstotheconsiderationoffourspin-?baryonmultiplets.AreductionoftheLagrangiantothetwo-flavorcaseleavesfourdoubletsofnucleonicstateswhichmixtoformtheexperimentallyobservedstatesN(939),N(1440),N(1535)andN(1650).WedeterminetheparametersofthenucleonicpartoftheLagrangianfromafittomassesanddecaypropertiesoftheaforementionedstates.Bytracingtheirmasseswhenchiralsymmetryisrestored,weconcludethatthepairsN(939),N(1535)andN(1440),N(1650)formchiralpartners...
机译:Westudythree-flavoroctetbaryonsbyusingtheso-calledextendedLinearSigmaModel(评测ELSM).Withinaquark-diquarkpicture,therequirementofamirrorassignmentnaturallyleadstotheconsiderationoffourspin-?baryonmultiplets.AreductionoftheLagrangiantothetwo-flavorcaseleavesfourdoubletsofnucleonicstateswhichmixtoformtheexperimentallyobservedstatesN(939),N(1440),N(1535)和N(1650).WedeterminetheparametersofthenucleonicpartoftheLagrangianfromafittomassesanddecaypropertiesoftheaforementionedstates.Bytracingtheirmasseswhenchiralsymmetryisrestored,weconcludethatthepairsN(939),N( 1535)Andn(1440),N(1650)FormChiralpartners ...

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