Add Charm HLT2 lines Dsstar2DsPiPi
This line corresponds to the decay process of Ds* into Ds π+ π-, where Ds* for Ds1(2460) and Ds1(2536).
The rates are estimated by hlt1_filtered 2024 minbias samples as
rate_Dsstar2536pToDspPimPip_DspToKmKpPip
#= 1076166.0 Sum= 88.0 Eff = ( 0.0082 +/- 0.0009 )% | rate = ( 98.1 +/- 10.4 ) Hz
rate_Dsstar2460pToDspPimPip_DspToKmKpPip
#= 1110033.0 Sum= 61.0 Eff = ( 0.0055 +/- 0.0007 )% | rate = ( 65.9 +/- 8.4 ) Hz
Edited by Ziyi Wang