Cross Section and Parity Violating Spin Asymmetries of W^+/- Boson Production in Polarized p+p Collisions at sqrt(s)=500 GeV
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![FIG. 2: (color online) Background subtracted spectra of positron (upper panel) and electron (lower panel) candidates taken from all counts compared to the spectrum of W and Z decays from an NLO calculation [12, 13] (see text)](https://thumb-eu.123doks.com/thumbv2/123doknet/14031852.458236/4.918.82.453.92.443/background-subtracted-positron-electron-candidates-compared-spectrum-calculation.webp)
![TABLE I: Comparison of measured cross sections for electrons and positrons with 30 < p T < 50 GeV/c from W and Z decays with NLO [12] and NNLO [20] calculations](https://thumb-eu.123doks.com/thumbv2/123doknet/14031852.458236/5.918.479.843.76.359/table-comparison-measured-sections-electrons-positrons-decays-calculations.webp)
![TABLE II: Longitudinal single-spin asymmetries Sample L A e L (W + Z) 68%CL 95%CL Bkgrnd + −0.015 ± 0.04 Signal + −0.31 ± 0.10 −0.86 [−1, −0.56] [−1, −0.16] Bkgrnd − −0.025 ± 0.04 Signal − 0.29 ± 0.20 +0.88 [0.17, 1] [−0.60, 1]](https://thumb-eu.123doks.com/thumbv2/123doknet/14031852.458236/6.918.86.451.105.486/table-longitudinal-asymmetries-sample-bkgrnd-signal-bkgrnd-signal.webp)
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