Proton rejection by using dE/dx in Start Counter Pid = (Measured energy loss in SC) – (Expectation of KK) – (Half of expectation of proton) KKp only K
{"Image DocumentName": "Proton rejection by using dE/dx in Start Counter", "Image ImageDescription": "Pid = (Measured energy loss in SC) \u2013 (Expectation of KK) \u2013 (Half of expectation of proton) n. K- K- K+ K+ SC. p. SC. or. SC. K- K+ Proton not tagged. (Proton rejected) Proton tagged (e ~60%) Peak structure is seen in the. M(nK+) for proton rejected events. (Further more data will be taken at LEPS. w/ larger acceptance for proton) KKp only. KKn and part of KKp. Preliminary. Signal enhancement is seen in proton rejected events. should be associated with gn reaction. Preliminary. p/n ratio: 1.6 before proton rejection. 0.6 after proton rejection.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}