Statements (53)
Predicate | Object |
---|---|
gptkbp:instance_of |
gptkb:Kryptonite
|
gptkbp:antiparticle |
gptkb:tau_antilepton
|
gptkbp:associated_particle |
gptkb:tau_antineutrino
tau neutrino |
gptkbp:charging_method |
-1
|
gptkbp:color_charge |
gptkb:none
|
gptkbp:conservation |
lepton flavor conservation
|
gptkbp:decay_width |
2.5 Me V
|
gptkbp:discovery_year |
gptkb:1975
|
gptkbp:family |
third generation
|
gptkbp:first_appearance |
gptkb:SLAC
|
https://www.w3.org/2000/01/rdf-schema#label |
tau lepton
|
gptkbp:interacts_with |
weak force
|
gptkbp:isotopes |
electron
muon |
gptkbp:lepton_number |
gptkb:1
|
gptkbp:lifespan |
2.9 x 10^-13 seconds
|
gptkbp:mass |
1776.86 Me V/c²
heavier than electron and muon |
gptkbp:mode |
gptkb:Nexon
tau neutrino electron muon pions kaons tau -> 3 pions + neutrinos tau -> electron + neutrino + antineutrino tau -> muon + neutrino + antineutrino |
gptkbp:model |
gptkb:Standard_Model
|
gptkbp:produces |
electron-positron collisions
|
gptkbp:production_mechanism |
Z boson decay
W boson decay |
gptkbp:quantum_number |
spin 1/2
baryon number 0 electric charge -1 lepton number +1 |
gptkbp:related_concept |
gptkb:quantum_field_theory
gptkb:Physics CP violation high-energy physics neutrino physics supersymmetry lepton family flavor physics Higgs boson interactions dark matter candidates collider physics beyond the Standard Model |
gptkbp:role_in_physics |
study of neutrino oscillation
|
gptkbp:roll_rate |
1/2
|
gptkbp:symbol |
τ
|
gptkbp:bfsParent |
gptkb:Higgs_boson
|
gptkbp:bfsLayer |
5
|