9
Yasuo MIAKE, Univ. of Tsukuba
Charm
•Deacy from D0　(open charm) contributes a lot to high pt kaons.
•May enhance the capability of open charm measurement.
•Need further study!
K+ (inclusive)　
(K --　from D0-bar)
K+　from D0
(K --　from D0-bar)　
テキスト ボックス: 1/pt (ds/dpt) [mb/(GeV/c)2]
Pt　(GeV/c)
preliminary
Slope(0.2-5GeV)
=225±6 MeV
Do not take the numbers serious, so far.
S1/2　=200 GeV pp　 (All rapidity)
テキスト ボックス: Susumu Sato