constants Module
Constants defined for Spyral
Some of these are just short aliases to scipy constants to avoid long keystrings
Attributes:
| Name | Type | Description |
|---|---|---|
INVALID_PEAK_CENTROID |
float
|
Value is -1.0, used for peak finding |
INVALID_EVENT_NAME |
str
|
Value is "InvalidEvent" |
INVALID_EVENT_NUMBER |
int
|
Value is -1 |
INVALID_PAD_ID |
int
|
Value is -1 |
NUMBER_OF_TIME_BUCKETS |
int
|
For the GET system, 512 |
DEG2RAD |
float
|
angular degrees -> radians |
FRIB_TRACE_LENGTH |
int
|
For FRIBDAQ system, 2048 |
AMU_2_MEV |
float
|
scipy alias, MeV/c^2/u |
ELECTRON_MASS_U |
float
|
scipy alias, mass of an electron in u |
MEV_2_JOULE |
float
|
scipy alias, J/MeV |
MEV_2_KG |
float
|
scipy alias, kg/MeV/c^2 |
ROOM_TEMPERATURE |
float
|
In Kelvin |
GAS_CONSTANT |
float
|
scipy alias, cm^3 Torr / (K mol) |
QBRHO_2_P |
float
|
Shortcut for converting QBRho to momentum, T m / MeV |
C |
float
|
scipy alias, speed_of_light m/s |
E_CHARGE |
float
|
scipy alias, elementary_charge in Coulombs |