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Results from PP2PP Experiment at RHIC | | Andrzej Sandacz
; the PP2PP Collaboration
; | | Date: |
11 Oct 2005 | | Abstract: | We report on the first measurement of the single spin analyzing power ($A\_N$) at $sqrt{s}=200$ GeV, obtained by the pp2pp experiment using polarized proton beams at the Relativistic Heavy Ion Collider (RHIC). Data points were measured in the four momentum transfer $t$ range $0.01 leq |t| leq 0.03$ $GeVcSq$. Our result is about one standard deviation above the calculation, which uses interference between electromagnetic spin-flip amplitude and hadronic non-flip amplitude, the source of $A\_N$. The difference could be explained by an additional contribution of a hadronic spin-flip amplitude to $A\_N$. | | Source: | arXiv, hep-ex/0510032 | | Services: | Forum | Review | PDF | Favorites | |
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