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5.4 The specific rate of energy loss (-dE/pdx) of a 5-MeV proton in silicon is 59 keV mg- cm? and its range R' is 50mg cm-2. Calculate values of (-dE/pdx) and range R' for deuterons, tritons, 'He and a particles, all of which have the same speed as the proton.

5.4 The specific rate of energy loss (-dE/pdx) of a 5-MeV proton in silicon is 59 keV mg- cm? and its range R' is 50mg cm-2. Calculate values of (-dE/pdx) and range R' for deuterons, tritons, 'He and a particles, all of which have the same speed as the proton.

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5.4 The specific rate of energy loss (-dE/pdx) of a 5-MeV proton in silicon is 59 keV mg-l cm? and its range R' is 50 mg cm-2. Calculate values of (-dE/pdx) and range R' for deuterons, tritons, 'He and a particles, all of which have the same speed as the proton. 5.5 (a) If, in problem 5.4, we know that dE/dx is proportional to –1/E", calculate n. (b) What fraction of its range would the proton have travelled when its energy has been reduced to half its initial value?
Transcribed Image Text:5.4 The specific rate of energy loss (-dE/pdx) of a 5-MeV proton in silicon is 59 keV mg-l cm? and its range R' is 50 mg cm-2. Calculate values of (-dE/pdx) and range R' for deuterons, tritons, 'He and a particles, all of which have the same speed as the proton. 5.5 (a) If, in problem 5.4, we know that dE/dx is proportional to –1/E", calculate n. (b) What fraction of its range would the proton have travelled when its energy has been reduced to half its initial value?
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