Search

what's the maximum energy of electrons that 20cm of rubidium can block?

Input interpretation

kinetic energy of particle |  incident particle | e^- (electron) radiation absorber | rubidium thickness | 20 cm
kinetic energy of particle | incident particle | e^- (electron) radiation absorber | rubidium thickness | 20 cm

Result

191 MeV (megaelectronvolts)
191 MeV (megaelectronvolts)

Comparison as energy for 191 MeV

 ≈ ( 0.2 ≈ 1/5 ) × mass-energy of a proton ( 1 m_p c^2 )
≈ ( 0.2 ≈ 1/5 ) × mass-energy of a proton ( 1 m_p c^2 )
 ≈ 0.88 × QCD scale ( ≈ 217 MeV )
≈ 0.88 × QCD scale ( ≈ 217 MeV )
 ≈ 0.95 × average total energy released in fission of one U-235 atom ( ≈ 3.2×10^-11 J )
≈ 0.95 × average total energy released in fission of one U-235 atom ( ≈ 3.2×10^-11 J )

Properties

shielding thickness | 20 cm CSDA range | 30.6 g/cm^2 stopping power | 18 MeV/(g/cm^2) collision stopping power | 1.74 MeV/(g/cm^2) radiative stopping power | 16.3 MeV/(g/cm^2) radiation yield | 0.748 density effect parameter | 5.54
shielding thickness | 20 cm CSDA range | 30.6 g/cm^2 stopping power | 18 MeV/(g/cm^2) collision stopping power | 1.74 MeV/(g/cm^2) radiative stopping power | 16.3 MeV/(g/cm^2) radiation yield | 0.748 density effect parameter | 5.54

Stopping power versus energy

Stopping power versus energy
Stopping power versus energy

Absorber material properties

atomic number (Z) | 37 atomic mass number (A) | 85.4678 〈Z/A〉 | 0.43291 nuclear collision length (λ_T) | 90.4 g/cm^2 nuclear interaction length (λ_I) | 150.3 g/cm^2 radiation length (X_0) | 11.03 g/cm^2 minimum ionization (- dE/ dx |_ min) | 1.356 MeV/(g/cm^2) density | 1.53 g/cm^3 mean excitation energy | 363 eV Molière radius | 14.08 g/cm^2 pion collision length | 115.2 g/cm^2 pion interaction length | 178.5 g/cm^2 plasma energy | 23.47 eV
atomic number (Z) | 37 atomic mass number (A) | 85.4678 〈Z/A〉 | 0.43291 nuclear collision length (λ_T) | 90.4 g/cm^2 nuclear interaction length (λ_I) | 150.3 g/cm^2 radiation length (X_0) | 11.03 g/cm^2 minimum ionization (- dE/ dx |_ min) | 1.356 MeV/(g/cm^2) density | 1.53 g/cm^3 mean excitation energy | 363 eV Molière radius | 14.08 g/cm^2 pion collision length | 115.2 g/cm^2 pion interaction length | 178.5 g/cm^2 plasma energy | 23.47 eV