delta ray

Thân thiện

A scientist observes a delta ray in a cloud chamber.

Definition

1. Noun:
   • An electron ejected from matter by ionizing radiation: A "delta ray" is a secondary electron that is knocked out of an atom when high-energy ionizing radiation, such as an alpha particle, passes through a material.

Usage

• The term is used primarily in the fields of physics and radiation science to describe a specific particle emission event.
• It is a countable noun.

Examples

• Noun:
  • The cloud chamber experiment allowed scientists to observe the tracks of delta rays.
  • The energy of the primary radiation determines the number and energy of the delta rays produced.

Advanced Usage

• "Delta ray production": Refers to the process by which delta rays are generated.
  • Delta ray production is a key mechanism for energy loss in particle detectors.
• "Delta ray spectrum": Describes the distribution of energies among the ejected electrons.
  • Analyzing the delta ray spectrum provides information about the primary particle's energy.

Variants and Related Words

• Secondary electron: A more general term for any electron ejected from a surface or atom due to an external stimulus, which includes delta rays.
• Delta electron: A synonym for "delta ray."

Synonyms

• Knock-on electron: Another term used to describe an electron ejected by a collision with a fast-moving charged particle.

Notes on Different Meanings

• The term "delta ray" has a very specific technical meaning in physics and is not used in everyday language. It does not have other common definitions.

Học thuật

Noun

1. an electron ejected from matter by ionizing radiation