Single-Spin Asymmetries
Here’s a quick summary of various single-spin asymmetry sanity checks (yellow, blue, like-sign, unlike-sign) calculated for both types of charged pions in the Run 6 data.
![pi<em>plus</em>ely<em>fill](/STAR/system/files/pi_plus_ely_fill.gif)
![Pi Plus elb Fill](/STAR/system/files/pi_plus_elb_fill.gif)
Every measurement is absolutely consistent with zero, and I don't see a single problematic fill in this list.
pi^{-}
![](/STAR/system/files/pi_minus_ely_fill.gif)
![](/STAR/system/files/pi_minus_ely_pt.gif)
![Pi Minus elb Fill](/STAR/system/files/pi_minus_elb_fill.gif)
![Pi Minus elb pt](/STAR/system/files/pi_minus_elb_pt.gif)
![Pi Minus els Fill](/STAR/system/files/pi_minus_els_fill.gif)
![Pi Minus els pt](/STAR/system/files/pi_minus_els_pt.gif)
![Pi Minus eus Fill](/STAR/system/files/pi_minus_eus_fill.gif)
![Pi Minus eus pt](/STAR/system/files/pi_minus_eus_pt.gif)
pi^{+}
![pi<em>plus</em>ely<em>fill](/STAR/system/files/pi_plus_ely_fill.gif)
![pi</em>plus<em>ely</em>pt](/STAR/system/files/pi_plus_ely_pt.gif)
![Pi Plus elb Fill](/STAR/system/files/pi_plus_elb_fill.gif)
![Pi Plus elb pt](/STAR/system/files/pi_plus_elb_pt.gif)
![Pi Plus els Fill](/STAR/system/files/pi_plus_els_fill.gif)
![Pi Plus els pt](/STAR/system/files/pi_plus_els_pt.gif)
![Pi Plus eus Fill](/STAR/system/files/pi_plus_eus_fill.gif)
![Pi Plus eus pt](/STAR/system/files/pi_plus_eus_pt.gif)
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