First principles calculations of nucleon and pion form factors: understanding the building blocks of nuclear matter from lattice QCD
Lattice QCD is an essential complement to the current and anticipated DOE-supported experimental program in hadronic physics. In this poster we address several key questions central to our understanding of the building blocks of nuclear matter, nucleons and pions. Firstly, we describe progress at computing the electromagnetic form factors of the nucleon, describing the distribution of charge and current, before considering the role played by the strange quarks. We then describe the study of transition form factors to the Delta resonance. Finally, we present recent work to determine the pion form factor, complementary to the current JLab experimental determination and providing insight into the approach to asymptotic freedom.
- Research Organization:
- Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
- Sponsoring Organization:
- USDOE - Office of Energy Research (ER)
- DOE Contract Number:
- AC05-84ER40150
- OSTI ID:
- 892177
- Report Number(s):
- JLAB-THY-05-377; DOE/ER/40150-3464; TRN: US0605557
- Resource Relation:
- Conference: SciDAC 2005, 26-30 Jun 2005, San Francisco, California
- Country of Publication:
- United States
- Language:
- English
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