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|Title:||Towards a connection between nuclear structure and QCD|
|Citation:||Progress of Theoretical Physics Supplement, 2004; 156(156):124-136|
|Publisher:||Progress Theoretical Physics Publication Office|
|Anthony W. Thomas, Pierre A. M. Guichon, Derek B. Leinweber and Ross D. Young|
|Abstract:||As we search for an ever deeper understanding of the structure of hadronic matter one of the most fundamental questions is whether or not one can make a connection to the underlying theory of the strong interaction, QCD. We build on recent advances in the chiral extrapolation problem linking lattice QCD at relatively large “light quark” masses to the physical world to estimate the scalar polarizability of the nucleon. The latter plays a key role in modern relativistic mean-field descriptions of nuclei and nuclear matter (such as QMC) and, in particular, leads to a very natural saturation mechanism. We demonstrate that the value of the scalar polarizability extracted from the lattice data is consistent with that needed for a successful description of nuclei within the framework of QMC. In a very real sense this is the first hint of a direct connection between QCD and the properties of finite nuclei.|
|Description:||Copyright (c) Progress of Theoretical Physics 2004 All rights reserved.|
|Appears in Collections:||Physics publications|
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