CLAS physics database search results Measurement E209M70 CLAS12 RG-K K+Y recoil polarization Daniel S. Carman 2025 W P^0_y Data errors Systematic errors GeV 1.72 0.4006 0.7526 0.0716 1.8 -0.9331 0.1957 0.0724 1.88 -0.5447 0.1344 0.0718 1.96 -0.581 0.1557 0.0718 2.04 0.023 0.2436 0.0715 2.12 -0.1601 0.3827 0.0715 2.2 -0.3372 0.4606 0.0716 2.28 -0.9576 0.5367 0.0724 2.36 -0.6872 0.5901 0.072