TY - JOUR
T1 - The importance of nucleon substructure in nuclear ground states
AU - Goldman, T.
AU - Maltman, K. R.
AU - Stephenson, G. J.
AU - Schmidt, K. E.
N1 - Funding Information:
We wish to acknowledge helpful conversations with Nathan Isgur, Arthur Kerman, Earle Lomon, Dirk Walecka, Bruce McKellar, Ken Amos, Tony Thomas, Ben Gibson, Jim Friar, Bill Gibbs, and Dan Strottman. This work was supported in part by the United States Department of Energy and in part by the National Science and Engineering Research Council of Canada.
PY - 1988/5/16
Y1 - 1988/5/16
N2 - Using a potential model, constrained by the hadron spectrum, for the confinement of relativistic quarks we explore the consequences of the substructure of nucleons for the binding energy and ground state wavefunction of 4He. In its simplest form, this model gives a binding energy of 19 MeV. Quark wavefunctions differ from those associated with free nucleons by less than 10%, the rms quark radius is 1.34 fm and the resulting structure differs considerably from that of an expansion beginning from the (0s)4 shell model. Considerable contributions to the binding energy, attractive from quark delocalization and repulsive from the quark hyperfine interaction, appear unavoidable. We conclude that these effects cannot be excluded from a detailed understanding of the properties of nuclear ground states.
AB - Using a potential model, constrained by the hadron spectrum, for the confinement of relativistic quarks we explore the consequences of the substructure of nucleons for the binding energy and ground state wavefunction of 4He. In its simplest form, this model gives a binding energy of 19 MeV. Quark wavefunctions differ from those associated with free nucleons by less than 10%, the rms quark radius is 1.34 fm and the resulting structure differs considerably from that of an expansion beginning from the (0s)4 shell model. Considerable contributions to the binding energy, attractive from quark delocalization and repulsive from the quark hyperfine interaction, appear unavoidable. We conclude that these effects cannot be excluded from a detailed understanding of the properties of nuclear ground states.
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U2 - 10.1016/0375-9474(88)90719-1
DO - 10.1016/0375-9474(88)90719-1
M3 - Article
AN - SCOPUS:20944444956
SN - 0375-9474
VL - 481
SP - 621
EP - 667
JO - Nuclear Physics, Section A
JF - Nuclear Physics, Section A
IS - 4
ER -