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RESULTS FROM PP2PP EXPERIMENT AT RHIC

Sandacz, Andrzej

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Título:
RESULTS FROM PP2PP EXPERIMENT AT RHIC
Autor: Sandacz, Andrzej
Assuntos: High Energy Physics - Experiment ; Physics
Descrição: 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 $A_N$.
Idioma: Inglês

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