Determination of Rest Mass Energy of the Electron by a Compton Scattering Experiment

Autor/inn/en	Prasannakumar, S.; Krishnaveni, S.; Umesh, T. K.
Titel	Determination of Rest Mass Energy of the Electron by a Compton Scattering Experiment
Quelle	In: European Journal of Physics, 33 (2012) 1, S.65-72 (8 Seiten) PDF als Volltext Verfügbarkeit
Sprache	englisch
Dokumenttyp	gedruckt; online; Zeitschriftenaufsatz
ISSN	0143-0807
DOI	10.1088/0143-0807/33/1/005
Schlagwörter	Science Activities; Laboratories; College Science; Science Experiments; Physics; Science Instruction; Energy; Measurement Techniques; Scientific Concepts; Radiation; Chemistry + Suchen Sie Ihr Suchwort? Laboratory; Laboratorium; Physik; Teaching of science; Science education; Natural sciences Lessons; Naturwissenschaftlicher Unterricht; Energie; Messtechnik; Strahlung; Chemie
Abstract	We report here a simple Compton scattering experiment which may be carried out in graduate and undergraduate laboratories to determine the rest mass energy of the electron. In the present experiment, we have measured the energies of the Compton scattered gamma rays with a NaI(Tl) gamma ray spectrometer coupled to a 1 K multichannel analyzer at five scattering angles of [theta] = 30[degrees], 50[degrees], 60[degrees], 70[degrees] and 80[degrees] using a [superscript 137]Cs radioactive gamma source and a suitable aluminum absorber. The rest mass energy of the electron is determined as the reciprocal of the slope of the plot of parameter "S" versus (1 - cos [theta]). The obtained value is found to agree with the standard value. (Contains 2 tables and 8 figures.) (As Provided).
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Erfasst von	ERIC (Education Resources Information Center), Washington, DC
Update	2017/4/10