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词条 Charged particle
释义

  1. Examples

      Positively charged particles    Negatively charged particles    Particles without an electric charge 

  2. References

  3. External links

{{No footnotes|date=January 2019}}

In physics, a charged particle is a particle with an electric charge. It may be an ion, such as a molecule or atom with a surplus or deficit of electrons relative to protons. It can also be an electron or a proton, or another elementary particle, which are all believed to have the same charge[1] (except antimatter). Another charged particle may be an atomic nucleus devoid of electrons, such as an alpha particle.

A plasma is a collection of charged particles, atomic nuclei and separated electrons, but can also be a gas containing a significant proportion of charged particles.

Examples

Positively charged particles

  • protons and atomic nuclei
  • positrons (antielectrons)
  • alpha particles
  • positive charged pions
  • cations

Negatively charged particles

  • electrons
  • antiprotons
  • muons
  • tauons
  • negative charged pions
  • anions

Particles without an electric charge

  • neutrons
  • photons
  • neutrinos
  • neutral pions

References

1. ^{{cite book|last1=Frisch|first1=David H.|author1-link=David H. Frisch|last2=Thorndike|first2=Alan M.|title=Elementary Particles|year=1964|publisher=David Van Nostrand|location=Princeton, New Jersey|page=54}}
  • {{Cite web|url=http://ocw.mit.edu/courses/nuclear-engineering/22-01-introduction-to-ionizing-radiation-fall-2006/lecture-notes/energy_dep_hcp.pdf|title=Ionizing radiation|last=|first=|date=|website=|publisher=|access-date=|deadurl=yes|archiveurl=https://web.archive.org/web/20151011134842/http://ocw.mit.edu/courses/nuclear-engineering/22-01-introduction-to-ionizing-radiation-fall-2006/lecture-notes/energy_dep_hcp.pdf|archivedate=2015-10-11|df=}}
  • {{Cite web|url=https://www.mun.ca/biology/scarr/Specific_Ionization_&_LET.html|title=Specific Ionization & LET|website=www.mun.ca|access-date=2016-06-21}}
  • {{Cite web|url=http://spyeyez.tistory.com/16|title=α입자와 물질과의 상호작용|website=Radiation & biology & etc.|access-date=2016-06-21}}
  • {{Cite web |url=http://www.med.harvard.edu/jpnm/physics/nmltd/radprin/sect7/7.1/7_1.3.html |title=7_1.3 The Bragg Curve |website=www.med.harvard.edu |access-date=2016-06-21 |deadurl=yes |archiveurl=https://web.archive.org/web/20160301184458/http://www.med.harvard.edu/jpnm/physics/nmltd/radprin/sect7/7.1/7_1.3.html |archivedate=2016-03-01 |df= }}
  • {{Cite web|url=http://www.britannica.com/science/range-particle-radiation|title=range {{!}} particle radiation|website=Encyclopædia Britannica|access-date=2016-06-21}}

External links

  • Charged particle motion in E/B Field
{{DEFAULTSORT:Charged Particle}}{{Nuclear-stub}}

2 : Electromagnetism|Charge carriers

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