Statements (54)
Predicate | Object |
---|---|
gptkbp:instance_of |
gptkb:mecha
|
gptkbp:bfsLayer |
5
|
gptkbp:bfsParent |
gptkb:D_mesons
|
gptkbp:discovered_by |
the 1970s
|
gptkbp:flavor |
gptkb:mecha
|
gptkbp:game_components |
gptkb:D_mesons
|
gptkbp:has_content |
charm and anti-down quark
charm and anti-up quark |
https://www.w3.org/2000/01/rdf-schema#label |
charm meson
|
gptkbp:is_characterized_by |
its charge
|
gptkbp:is_involved_in |
weak interactions
flavor physics |
gptkbp:is_observed_in |
B meson decays
|
gptkbp:is_part_of |
gptkb:the_Standard_Model_of_particle_physics
gptkb:D_mesons |
gptkbp:is_recognized_by |
particle detectors
|
gptkbp:is_related_to |
gptkb:charm_quark
the strong force |
gptkbp:is_studied_in |
gptkb:the_Higgs_boson
CP violation particle physics experiments its role in the universe its decay properties |
gptkbp:isotopes |
can be created in pairs
can be created in particle collisions can be detected in accelerators can decay into baryons can interact with other mesons can oscillate between states carries charm quantum number |
gptkbp:lifespan |
about 10 picoseconds
|
gptkbp:mass |
approximately 1.5 Ge V/c²
|
gptkbp:mode |
gptkb:observatory
muons pions kaons |
gptkbp:produced_by |
high-energy collisions
high-energy physics experiments electron-positron collisions collider experiments cosmic ray interactions hadron colliders electron collisions |
gptkbp:subject |
gptkb:physicist
gptkb:military_officer experimental research experimental particle physics quantum chromodynamics research |
gptkbp:symbol |
gptkb:D
|
gptkbp:type_of |
baryon
heavy meson heavy flavor meson meson with a charm quark meson with charm |