DECAYS::Particle Bank Details
Reconstructed Particle Information
| Item Name | Type | Description |
|---|---|---|
idx |
short |
particle idx |
pid |
int |
particle id in LUND conventions |
emc |
float |
particle mass constrained energy |
erec |
float |
reconstructed particle energy |
e |
float |
analysis particle energy (sum of constrained energies or daughters if mass constrain flag is on |
ovx |
float |
x component of the vertex at the production vertex (cm) |
ovy |
float |
y component of the vertex at the production vertex (cm) |
ovz |
float |
z component of the vertex at the production vertex (cm) |
px |
float |
x component of the momentum (GeV) |
py |
float |
y component of the momentum (GeV) |
pz |
float |
z component of the momentum (GeV) |
upx |
float |
x component of the uncorrected momentum at the vertex (GeV) |
upy |
float |
y component of the uncorrected momentum at the vertex (GeV) |
upz |
float |
z component of the uncorrected momentum at the vertex (GeV) |
vx |
float |
x component of the vertex (cm) |
vy |
float |
y component of the vertex (cm) |
vz |
float |
z component of the vertex (cm) |
r |
float |
distance between helices for 2-particle decay (cm) |
charge |
byte |
particle charge |
mass |
float |
particle mass (GeV) |
umass |
float |
particle uncorrected mass (GeV) |
ndau |
byte |
number of daughters |
dau1idx |
short |
daughter 1 idx |
dau2idx |
short |
daughter 2 idx |
dau3idx |
short |
daughter 3 idx |
det |
byte |
det=0 for central, det=1 for forward tracker |