期刊
PHYSICAL REVIEW D
卷 94, 期 11, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.94.114004
关键词
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资金
- U.S. Department of Energy (DOE) [DE-AC05- 06OR23177]
- DOE [DE-SC008791]
- Japan Society for the Promotion of Science (JSPS) [JP25105010]
- Grants-in-Aid for Scientific Research [25105010] Funding Source: KAKEN
We perform the first iterative Monte Carlo (IMC) analysis of fragmentation functions constrained by all available data from single-inclusive e(+)e(-) annihilation into pions and kaons. The IMC method eliminates potential bias in traditional analyses based on single fits introduced by fixing parameters not well constrained by the data and provides a statistically rigorous determination of uncertainties. Our analysis reveals specific features of fragmentation functions using the new IMC methodology and those obtained from previous analyses, especially for light quarks and for strange quark fragmentation to kaons.
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