Recalibration of the binding energy of hypernuclei measured in emulsion experiments and its implications
Journal Article
·
· Chinese Physics C, High Energy Physics and Nuclear Physics
- Chinese Academy of Sciences (CAS), Shanghai (China); Chinese Academy of Sciences (CAS), Beijing (China); Brookhaven National Lab. (BNL), Upton, NY (United States)
- Fudan Univ., Shanghai (China)
- Kent State Univ., Kent, OH (United States)
- Brookhaven National Lab. (BNL), Upton, NY (United States); Shandong Univ., Qingdao (China)
- Chinese Academy of Sciences (CAS), Shanghai (China); Fudan Univ., Shanghai (China)
In this work, the $$ \Lambda $$ separation energy for $$ \Lambda $$ hypernuclei, denoted $$ B_\Lambda $$, measured in 1967, 1968, and 1973 are recalibrated using the current best estimates of the mass of particles and nuclei. The recalibrated $$ B_\Lambda $$ are systematically larger (except in the case of $$ ^6_\Lambda $$He) than the originally published values by about 100 keV. The effect of this level of recalibration is very important for light hypernuclei, especially for the hypertriton. The early $$ B_\Lambda $$ values measured in 1967, 1968, and 1973 are widely used in theoretical research, and the new results provide better constraints for the conclusions of such studies.
- Research Organization:
- Brookhaven National Laboratory (BNL), Upton, NY (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)
- Grant/Contract Number:
- SC0012704; FG02-89ER40531
- OSTI ID:
- 1580258
- Report Number(s):
- BNL--212453-2019-JAAM
- Journal Information:
- Chinese Physics C, High Energy Physics and Nuclear Physics, Journal Name: Chinese Physics C, High Energy Physics and Nuclear Physics Journal Issue: 12 Vol. 43; ISSN 1674-1137
- Publisher:
- IOP PublishingCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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