nitrogen-13

E368990

Nitrogen-13 is a short-lived radioactive isotope of nitrogen that plays a key role as an intermediate nuclide in stellar nuclear fusion processes.

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All labels observed (1)

Label Occurrences
nitrogen-13 canonical 1

Statements (47)

Predicate Object
instanceOf beta-plus emitter
nitrogen isotope
radioactive isotope
radionuclide
application PET myocardial perfusion imaging
metabolic imaging in nuclear medicine
positron emission tomography
atomicNumber 7
belongsToSeries nitrogen isotopes
betaPlusBranchingRatio approximately 100 percent
bindingEnergyPerNucleon about 7.5 MeV
chemicalFormInPET 13N-ammonia
decayConstant about 1.16×10^-3 s^-1
decayEnergy about 2.22 MeV
decayMode beta-plus decay
decayProduct carbon-13
electron neutrino
positron
discoveryYear early 20th century
element nitrogen
halfLife about 9.97 minutes
approximately 600 seconds
massExcess about 5.345 MeV
massNumber 13
N 6
neutronNumber 6
nuclearIsomericStates none known
nucleonNumber 13
occurrence artificially produced in accelerators
produced in stars
parity -
positronEndpointEnergy about 1.20 MeV
producedByReaction 16O(p,α)13N
productionMethod cyclotron production
proton irradiation of oxygen-16
QValueBetaPlus about 2.22 MeV
radiationType annihilation gamma rays (indirectly)
positron radiation
radioactive true
roleInAstrophysics intermediate nuclide in stellar nuclear fusion
participant in CNO cycle
safetyConsideration short half-life limits radiation dose
spin 1/2
stability unstable
symbol 13N
usedAsTracer yes
Z 7

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.

Bethe–Weizsäcker cycle involves nitrogen-13