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- Bragg_peak abstract "The Bragg peak is a pronounced peak on the Bragg curve which plots the energy loss of ionizing radiation during its travel through matter. For protons, α-rays, and other ion rays, the peak occurs immediately before the particles come to rest. This is called Bragg peak, for William Henry Bragg who discovered it in 1903.When a fast charged particle moves through matter, it ionizes atoms of the material and deposits a dose along its path. A peak occurs because the interaction cross section increases as the charged particle's energy decreases. In the upper figure, it is the peak for alpha particles of 5.49 MeV moving through air. In the lower figure, it is the narrow peak of the "native" proton beam curve which is produced by a particle accelerator of 250 MeV. The figure also shows the absorption of a beam of energetic photons (X rays) which is entirely different in nature; the curve is mainly exponential.The phenomenon is exploited in particle therapy of cancer, to concentrate the effect of light ion beams on the tumor being treated while minimizing the effect on the surrounding healthy tissue. The blue curve in the figure ("modified proton beam") shows how the originally monoenergetic proton beam with the sharp peak is widened by increasing the range of energies, so that a larger tumor volume can be treated. This can be achieved by using variable thickness attenuators like spinning wedges.".
- Bragg_peak thumbnail Bragg_Curve_for_Alphas_in_Air.png?width=300.
- Bragg_peak wikiPageExternalLink 7_1.3.html.
- Bragg_peak wikiPageID "3476702".
- Bragg_peak wikiPageLength "2930".
- Bragg_peak wikiPageOutDegree "26".
- Bragg_peak wikiPageRevisionID "659851401".
- Bragg_peak wikiPageWikiLink Absorbed_dose.
- Bragg_peak wikiPageWikiLink Alpha_particle.
- Bragg_peak wikiPageWikiLink Attenuator_(electronics).
- Bragg_peak wikiPageWikiLink Bremsstrahlung.
- Bragg_peak wikiPageWikiLink Category:Particle_physics.
- Bragg_peak wikiPageWikiLink Category:Radiation_therapy.
- Bragg_peak wikiPageWikiLink Charged_particle.
- Bragg_peak wikiPageWikiLink Charged_particle_beam.
- Bragg_peak wikiPageWikiLink Cross_section_(physics).
- Bragg_peak wikiPageWikiLink Electronvolt.
- Bragg_peak wikiPageWikiLink Exponential_function.
- Bragg_peak wikiPageWikiLink Ion_beam.
- Bragg_peak wikiPageWikiLink Ion_ray.
- Bragg_peak wikiPageWikiLink Ionisation.
- Bragg_peak wikiPageWikiLink Ionization.
- Bragg_peak wikiPageWikiLink Ionizing_radiation.
- Bragg_peak wikiPageWikiLink Linear_Energy_Transfer.
- Bragg_peak wikiPageWikiLink Linear_energy_transfer.
- Bragg_peak wikiPageWikiLink Neoplasm.
- Bragg_peak wikiPageWikiLink Particle_accelerator.
- Bragg_peak wikiPageWikiLink Particle_therapy.
- Bragg_peak wikiPageWikiLink Photon.
- Bragg_peak wikiPageWikiLink Proton.
- Bragg_peak wikiPageWikiLink Proton_beam.
- Bragg_peak wikiPageWikiLink Stopping_power_(particle_radiation).
- Bragg_peak wikiPageWikiLink Tumor.
- Bragg_peak wikiPageWikiLink William_Henry_Bragg.
- Bragg_peak wikiPageWikiLink X-ray.
- Bragg_peak wikiPageWikiLink X_ray.
- Bragg_peak wikiPageWikiLink File:BraggPeak.png.
- Bragg_peak wikiPageWikiLink File:Bragg_Curve_for_Alphas_in_Air.png.
- Bragg_peak wikiPageWikiLinkText "Bragg peak".
- Bragg_peak wikiPageWikiLinkText "bragg peak".
- Bragg_peak hasPhotoCollection Bragg_peak.
- Bragg_peak wikiPageUsesTemplate Template:For.
- Bragg_peak wikiPageUsesTemplate Template:Ref_improve.
- Bragg_peak wikiPageUsesTemplate Template:Reflist.
- Bragg_peak subject Category:Particle_physics.
- Bragg_peak subject Category:Radiation_therapy.
- Bragg_peak hypernym Peak.
- Bragg_peak type Mountain.
- Bragg_peak type Physic.
- Bragg_peak comment "The Bragg peak is a pronounced peak on the Bragg curve which plots the energy loss of ionizing radiation during its travel through matter. For protons, α-rays, and other ion rays, the peak occurs immediately before the particles come to rest. This is called Bragg peak, for William Henry Bragg who discovered it in 1903.When a fast charged particle moves through matter, it ionizes atoms of the material and deposits a dose along its path.".
- Bragg_peak label "Bragg peak".
- Bragg_peak sameAs Bragg-Kurve.
- Bragg_peak sameAs Pic_de_Bragg.
- Bragg_peak sameAs ブラッグ曲線.
- Bragg_peak sameAs Braggkurve.
- Bragg_peak sameAs Krzywa_Bragga.
- Bragg_peak sameAs m.09fkn2.
- Bragg_peak sameAs Кривая_Брэгга.
- Bragg_peak sameAs Braggova_krivulja.
- Bragg_peak sameAs Бреґґівський_пік.
- Bragg_peak sameAs Q897227.
- Bragg_peak sameAs Q897227.
- Bragg_peak sameAs 布拉格尖峰.
- Bragg_peak wasDerivedFrom Bragg_peak?oldid=659851401.
- Bragg_peak depiction Bragg_Curve_for_Alphas_in_Air.png.
- Bragg_peak isPrimaryTopicOf Bragg_peak.