Analyticity constraints for hadron amplitudes: Going high to heal low-energy issues
Journal Article
·
· Europhysics Letters (Online)
- Indiana Univ., Bloomington, IN (United States)
- Ghent Univ., Ghent (Belgium)
- Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
- Univ. Nacional Autonoma de Mexico - Ciudad de Mexico (Mexico)
- Univ. Bonn, Bonn (Germany)
- Indiana Univ., Bloomington, IN (United States); Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
Analyticity constitutes a rigid constraint on hadron scattering amplitudes. This property is used to relate models in different energy regimes. Using meson photoproduction as a benchmark, we show how to test contemporary low energy models directly against high energy data. This method pinpoints deficiencies of the models and treads a path to further improvement. In conclusion, the implementation of this technique enables one to produce more stable and reliable partial waves for future use in hadron spectroscopy and new physics searches.
- Research Organization:
- Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Nuclear Physics (NP)
- Grant/Contract Number:
- AC05-06OR23177
- OSTI ID:
- 1462186
- Report Number(s):
- JLAB-THY-17-2539; DOE/OR/23177-4201; arXiv:1708.07779; TRN: US1902110
- Journal Information:
- Europhysics Letters (Online), Vol. 122, Issue 4; ISSN 1286-4854
- Publisher:
- IOP PublishingCopyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 3 works
Citation information provided by
Web of Science
Web of Science
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