r_B Analysis

    Description of ntuples
    r_B Ntuples
    NameTypeDescription
    nevtIntNumber of events
    candidate true ID number
    kidIntkaon
    eidIntlepton
    KMom1idIntkaon parent
    eMom1idIntlepton parent
    KMom2idIntkaon grandparent
    eMom2idIntlepton grandparent
    KMom3idIntkaon great-grandparent
    eMom3idIntlepton great-grandparent
    KMom4idIntkaon great-great-grandparent
    eMom4idIntlep great-great-grandparent
    hksidIntkshort from the kstar decay
    hpiidIntcharged pion from the kstar decay
    hksMom1idIntkshort parent
    hpiMom1idInt pion mom
    hksMom2idIntkshort grandparent
    hpiMom2idIntpion grandparent
    hksMom3idIntkshort great-grandparent
    hpiMom3idIntpion great-grandparent
    hksMom4idIntkshort great-great-grandparent
    hpiMom4idIntpion great-great-grandparent
    check for the ancestors. True if:
    K1e1boolkaon and lepton have the same parent
    K1e2boolkaon parent and lepton grandparent are the same
    K1e3boolkaon parent and lepton great-grandparent are the same
    K1e4boolkaon parent and lepton great-great-grandparent are the same
    K2e1boolkaon grandparent and lepton parent are the same
    K2e2boolkaon grandparent and lepton grandparent are the same
    K2e3boolkaon grandparent and lepton great-grandparent are the same
    K2e4boolkaon grandparent and lepton great-great-grandparent are the same
    K3e1boolkaon great-grandparent and lepton parent are the same
    K3e2boolkaon great-grandparent and lepton grandparent are the same
    K3e3boolkaon great-grandparent and lepton great-grandparent are the same
    K3e4boolkaon great-grandparent and lepton great-great-grandparent are the same
    K4e1boolkaon great-great-grandparent and lepton parent are the same
    K4e2boolkaon great-great-grandparent and lepton grandparent are the same
    K4e3boolkaon great-great-grandparent and lepton great-grandparent are the same
    K4e4boolkaon great-great-grandparent and lepton great-great-grandparent are the same
    hks1hpi1boolkshort and pion have the same parent
    hks1hpi2boolkshort parent and pion grandparent are the same
    hks1hpi3boolkshort parent and pion great-grandparent are the same
    hks1hpi4boolkshort parent and pion great-great-grandparent are the same
    hks2hpi1boolkshort grandparent and pion parent are the same
    hks2hpi2boolkshort grandparent and pion grandparent are the same
    hks2hpi3boolkshort grandparent and pion great-grandparent are the same
    hks2hpi4boolkshort grandparent and pion great-great-grandparent are the same
    hks3hpi1boolkshort great-grandparent and pion parent are the same
    hks3hpi2boolkshort great-grandparent and pion grandparent are the same
    hks3hpi3boolkshort great-grandparent and pion great-grandparent are the same
    hks3hpi4boolkshort great-grandparent and pion great-great-grandparent are the same
    hks4hpi1boolkshort great-great-grandparent and pion parent are the same
    hks4hpi2boolkshort great-great-grandparent and pion grandparent are the same
    hks4hpi3boolkshort great-great-grandparent and pion great-grandparent are the same
    hks4hpi4boolkshort great-great-grandparent and pion great-great-grandparent are the same
    Counters.
    ncand int
    ncandKs int
    ncandSLk int
    ncandSLlep int
    kaon+lepton from D0
    mkefloat kaon+lepton invariant mass
    gkklepvxfloatx-component of kaon+lepton vertex (D0 vertex)
    gkklepvyfloaty-component of kaon+lepton vertex (D0 vertex)
    gkklepvzfloatz-component of kaon+lepton vertex (D0 vertex)
    Kstar information from the B decay
    kstarpfloatMomentum
    kstarpxfloatx-component of Momentum
    kstarpyfloaty-component of Momentum
    kstarpzfloatz-component of Momentum
    kstarcosThetafloattheta angle in the lab coordinates
    kstarphiOverPifloatphi/pi in the lab coordinates
    kstarcmsthetafloattheta angle in the CMS
    kstarcmsphifloatphi/pi in the CMS
    kstarcmsp3magfloatMomentum in the CMS
    kstarcmsp3xfloatx-component of Momentum in CMS
    kstarcmsp3yfloaty-component of Momentum in CMS
    kstarcmsp3zfloatz-component of Momentum in CMS
    kstarmassfloatInvariant mass
    kstarchargefloatcharge
    kstarenergyfloatenergy
    kstarcmsenergyfloat energy in the CMS
    Kshort information
    KstarKsp float the same variables as Kstar
    KstarKspx float
    KstarKspy float
    KstarKspz float
    KstarKscosTheta float
    KstarKsphiOverPi float
    KstarKscmstheta float
    KstarKscmsphi float
    KstarKscmsp3mag float
    KstarKscmsp3x float
    KstarKscmsp3y float
    KstarKscmsp3z float
    KstarKsmass float
    KstarKscharge float
    KstarKsenergy float
    KstarKscmsenergy float
    Charged pion1 from Kshort
    KshortPi1p float the same variables as Kstar
    KshortPi1px float
    KshortPi1py float
    KshortPi1pz float
    KshortPi1cosTheta float
    KshortPi1phiOverPi float
    KshortPi1cmstheta float
    KshortPi1cmsphi float
    KshortPi1cmsp3mag float
    KshortPi1cmsp3x float
    KshortPi1cmsp3y float
    KshortPi1cmsp3z float
    KshortPi1mass float
    KshortPi1charge float
    KshortPi1energy float
    KshortPi1cmsenergy float
    Charged pion12 from Kshort
    KshortPi2p float the same variables as Kstar
    KshortPi2px float
    KshortPi2py float
    KshortPi2pz float
    KshortPi2cosTheta float
    KshortPi2phiOverPi float
    KshortPi2cmstheta float
    KshortPi2cmsphi float
    KshortPi2cmsp3mag float
    KshortPi2cmsp3x float
    KshortPi2cmsp3y float
    KshortPi2cmsp3z float
    KshortPi2mass float
    KshortPi2charge float
    KshortPi2energy float
    KshortPi2cmsenergy float
    Charged pion from Kstar
    KstarPip float the same variables as Kstar
    KstarPipx float
    KstarPipy float
    KstarPipz float
    KstarPicosTheta float
    KstarPiphiOverPi float
    KstarPicmstheta float
    KstarPicmsphi float
    KstarPicmsp3mag float
    KstarPicmsp3x float
    KstarPicmsp3y float
    KstarPicmsp3z float
    KstarPimass float
    KstarPicharge float
    KstarPienergy float
    KstarPicmsenergy float
    D0 information
    d0pfloatthe same variables as Kstar
    d0pxfloat
    d0pyfloat
    d0pzfloat
    d0cosThetafloat
    d0phiOverPifloat
    d0cmsthetafloat
    d0cmsphifloat
    d0cmsp3magfloat
    d0cmsp3xfloat
    d0cmsp3yfloat
    d0cmsp3zfloat
    d0massfloat
    d0chargefloat
    d0energyfloat
    d0cmsenergyfloat
    Vertex info
    SLkevtxprob float Kaon and lepton vertex chisquare probability
    Track overlap information, Ture if the tracks don't overlap
    SLkLepOvlp bool SLkaon and lepton
    SLkPi1Ovlp bool SLkaon and pi1
    SLkPi2Ovlp bool SLkaon and pi2
    SLkPiOvlp bool SLkaon and pi
    SLlepPi1Ovlp bool lepton and pi1
    SLlepPi2Ovlp bool lepton and pi2
    SLlepPiOvlp bool lepton and pi
    Pi1Pi2Ovlp bool pi1 and pi2
    Pi1PiOvlp bool pi1 and pi
    Pi2PiOvlp bool pi2 and pi
    Kaon information
    SLkpfloatthe same variables as Kstar
    SLkpxfloat
    SLkpyfloat
    SLkpzfloat
    SLkcosThetafloat
    SLkphiOverPifloat
    SLkcmsthetafloat
    SLkcmsphifloat
    SLkcmsp3magfloat
    SLkcmsp3xfloat
    SLkcmsp3yfloat
    SLkcmsp3zfloat
    SLkmassfloat
    SLkchargefloat
    SLkenergyfloat
    SLkcmsenergyfloat
    lepton information
    SLleppfloatthe same variables as Kstar
    SLleppxfloat
    SLleppyfloat
    SLleppzfloat
    SLlepcosThetafloat
    SLlepphiOverPifloat
    SLlepcmsthetafloat
    SLlepcmsphifloat
    SLlepcmsp3magfloat
    SLlepcmsp3xfloat
    SLlepcmsp3yfloat
    SLlepcmsp3zfloat
    SLlepmassfloat
    SLlepchargefloat
    SLlepenergyfloat
    SLlepcmsenergyfloat

    Last updated on 08/03/05, Amir rahimi@mps.ohio-state.edu