Search for positively charged strangelets and other related results with E864 at the AGS
Zhangbu Xu, for E864 Collaboration
Abstract
We report on the latest results in the search for positively charged strangelets from E864's 96/97 run at the AGS with sensitivity of about 8× 10-9 per central collision. This contribution also contains new results of a search for highly charged strangelets with Z=+3. Production of light nuclei, such as 6He and 6Li, is presented as well. Measurements of yields of these rarely produced isotopes near midrapidity will help constrain the production levels of strangelets via coalescence. E864 also measures antiproton production which includes decays from antihyperons. Comparisons with antiproton yields measured by E878 as a function of centrality indicate a large antihyperon-to-antiproton ratio in central collisions.
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