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HALO NUCLEUS [4 records]

Record 1 2023-10-17

English

Subject field(s)
  • Atomic Physics
  • Space Physics
DEF

A hypothetical type of decay occurring when a neutron located in the halo of a nucleus ejects a proton.

CONT

... there [is] a theory, a very hypothetical idea, that you could observe dark matter with a very particular type of nucleus ... This theory centered on what it calls a dark decay. It posited that certain unstable nuclei, nuclei that naturally fall apart, could jettison dark matter as they crumbled.

French

Domaine(s)
  • Physique atomique
  • Physique spatiale

Spanish

Save record 1

Record 2 2023-10-17

English

Subject field(s)
  • Atomic Physics
  • Space Physics
CONT

In nuclear physics, an atomic nucleus is called a halo nucleus or is said to have a nuclear halo when it has a core nucleus surrounded by a halo of orbiting protons or neutrons. The electrons then orbit the core nucleus much further away than the orbit of the halo nucleons.

OBS

halo nuclei: plural form.

Key term(s)
  • halonucleus
  • halonuclei
  • halo nuclei

French

Domaine(s)
  • Physique atomique
  • Physique spatiale
CONT

Les noyaux les plus légers possèdent des propriétés étonnantes, c'est le cas des noyaux à halos comme le Lithium 11 ou le Béryllium 14. Ces noyaux comportent un halo formé d'un ou plusieurs neutrons, qui se trouvent à une distance importante du reste du noyau.

Spanish

Save record 2

Record 3 2022-09-13

English

Subject field(s)
  • Atomic Physics
  • Space Physics
CONT

In nuclear physics, an atomic nucleus is called a halo nucleus or is said to have a nuclear halo when it has a core nucleus surrounded by a halo of orbiting protons or neutrons. The electrons then orbit the core nucleus much further away than the orbit of the halo nucleons.

French

Domaine(s)
  • Physique atomique
  • Physique spatiale

Spanish

Save record 3

Record 4 1982-11-23

English

Subject field(s)
  • Astronomy
DEF

a galaxy which contains a double nucleus imbedded in a common halo.

CONT

"First cousins" to double galaxies are the dumbbell galaxies, which optically present the image of two well-defined nuclei in a common, probably stellar, envelope.

French

Domaine(s)
  • Astronomie
DEF

Consiste des galaxies à deux noyaux dans un halo commun.

Spanish

Save record 4

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