WordNet-Online
Free dictionary and thesaurus of English. Definitions, synonyms, antonyms and more...
Hint: double-click any word to get it searched!

	Enter your search terms Submit search form
	Web www.wordnet-online.com

Definitions from WordNet

Definitions from the Web

Positrons

Definition:

A positron is a subatomic particle that has the same mass as an electron, but carries a positive charge.

Senses:

Sense 1:

In physics, positrons are antiparticles of electrons with an equal mass, but with opposite charge.

Sample Sentence 1: Positrons are frequently encountered in particle physics experiments.

Sample Sentence 2: The collision of a positron and an electron annihilates both particles.

Sense 2:

In medical imaging, positrons are used in positron emission tomography (PET) scans to detect abnormalities and diseases.

Sample Sentence 1: The PET scan revealed the presence of cancer cells through the detection of positrons.

Sample Sentence 2: Positrons emitted by the radioactive substance in the patient's body were detected by the PET scanner.

Usages:

Usage 1 - Popular:

Positrons are widely used in scientific research, medical imaging, and experimental physics.

Sample Sentence 1: The research team utilized positrons to study the behavior of particles in extreme conditions.

Sample Sentence 2: The development of new positron-based imaging techniques has revolutionized medical diagnostics.

Usage 2 - Local:

In the local scientific community, positrons are investigated for their potential applications in energy production and materials science.

Sample Sentence 1: The local university has a dedicated research facility for studying the behavior of positrons in materials.

Sample Sentence 2: Local researchers are exploring the use of positrons in developing more efficient solar panels.

Related Products:

• Positron Books
• Positron Emission Tomography (PET) Scanners
• Particle Physics Textbooks