Statements (51)
Predicate | Object |
---|---|
gptkbp:instance_of |
gptkb:mecha
|
gptkbp:associated_with |
strangeness quantum number
|
gptkbp:charging_time |
neutral or charged
|
gptkbp:composed_of |
quark-antiquark pairs
|
gptkbp:conservation_status |
violates certain conservation laws
|
gptkbp:first_appearance |
gptkb:C._A._Baker
|
https://www.w3.org/2000/01/rdf-schema#label |
K mesons
|
gptkbp:interacts_with |
weak interactions
|
gptkbp:is_observed_in |
particle accelerators
cosmic rays |
gptkbp:lifespan |
approximately 10^-10 seconds
|
gptkbp:mass |
approximately 494 Me V/c²
|
gptkbp:mode |
gptkb:observatory
photons muons pions semileptonic decay K+ to e+ + νe K+ to μ+ + νμ K+ to π+ + π0 K+ to π+ + π0 + π0 K+ to π+ + π0 + π0 + π0 K+ to π+ + π− + π0 K+ to π+ + π− + π0 + π0 + π0 K+ to π+ + π− + π0 + π0 + π0 + π0 K+ to π+ + π− + π0 + π0 + π0 + π0 + π0 K0 to e+ + e− K0 to μ+ + μ− K0 to π+ + π− K0 to π+ + π− + π0 K0 to π+ + π− + π0 + π0 K0 to π+ + π− + π0 + π0 + π0 K0 to π+ + π− + π0 + π0 + π0 + π0 K0 to π+ + π− + π0 + π0 + π0 + π0 + π0 K0 to π0 + π0 K0 to π0 + π0 + π0 K0 to π+ + π− + π0 + π0 + π0 + π0 + π0 + π0 K+ to π+ + π− + π0 + π0 + π0 + π0 + π0 + π0 |
gptkbp:named_after |
gptkb:K_meson
|
gptkbp:produced_by |
high-energy collisions
|
gptkbp:related_to |
gptkb:B_mesons
gptkb:Kaon strange quark |
gptkbp:role |
CP violation studies
|
gptkbp:scientific_classification |
neutral K mesons and charged K mesons
|
gptkbp:symbol |
gptkb:K
|
gptkbp:type |
gptkb:physicist
|
gptkbp:used_in |
particle physics experiments
|
gptkbp:year_created |
1947
|
gptkbp:bfsParent |
gptkb:φ_meson
|
gptkbp:bfsLayer |
5
|