# Measurements of ${\displaystyle A_{NN}}$ in ${\displaystyle pp\to pp}$
1. H-jet at BNL, References#Alekseev:2009zza, also includes results for single spin asymmetry ${\displaystyle A_{N}}$
• ${\displaystyle {\sqrt {s}}=6.8~{\text{GeV}}}$, ${\displaystyle {\sqrt {s}}=13.7~{\text{GeV}}}$