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...fusion imaging uses [[emission-computed tomography]] with either [[single-photon emission-computed tomography]] SPECT using either thallium or sestamibi iso

...tic) [[electromagnetic wave|field]] consists of discrete energy parcels, [[photon]]s. Photons are massless particles of definite [[energy]], definite [[momen ...[[Planck's constant]]. In 1927 [[Paul A. M. Dirac]] was able to weave the photon concept into the fabrics of the new [[quantum mechanics]] and to describe

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...wide range of instruments in [[nuclear medicine]], especially the [[Single-Photon Emission-Computed Tomography]] (SPECT) and [[Positron-Emission Computed Tom

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...ssion-Computed,+Single-Photon |title=Tomography, Emission-Computed, Single-Photon |accessdate=2007-12-09 |author=National Library of Medicine |authorlink= |c

...rious kinds of exchanges of [[energy]], resulting in the transmission of [[photon]]s of various frequencies -- including [[visible light]].

...r and a "buffer [[gas]]" through which the emitted [[photons]] pass, and a photon detector, arranged in that order. ...photons from the lamp will pass through unhindered and be measured by the photon detector. At this stage the device can be said to be perfectly calibrated.

...f 500 nm (green) has a wavenumber of 20,000 cm^-1 or 20 kK. Photon energy and frequency are proportional to wavenumber: 10 kK corresponds

...nuclide angiography]], [[Single photon emission computed tomography|Single Photon Emission Computed Tompography (SPECT)]] and [[ultrasonography]]. They are u

...magnetic radiation, the [[energy]] ( '''''E''''' ) of a single photon is proportional to the frequency:

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{{r|Photon}}

...or particulate radiation" (see [[neutron]], [[electron]], [[positron]], [[photon]], [[proton]] or [[alpha particle]]," or produces

...r cardiologists" are quite comfortable with cardiac imaging using [[Single-Photon Emission-Computed Tomography]] ([[SPECT]]), or measuring [[cardiac output]]

...h are grouped together as [[Beta radiation|beta decay]], and high energy [[photon]] emission called [[gamma radiation|gamma decay]].

* Fleming GR. (1998) Protein dynamics and photon echoes. ''Proc Natl Acad Sci U S A'' 95:15161-2.

If a beam of light ([[Photon|photons]]) is shone through a slit in a screen onto a second screen behind ...characteristics. ([[Arthur Holly Compton]]'s work on [[Compton Scattering|photon-electron scattering]] in 1922 established the particle nature of photons, t