Learn about Mu2e-II

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Nominal Parameter values
Parameter Nominal value Units
PIP-II parameters
Beam energy (kinetic) 800 MeV
1.28e-10 J
Particles/pulse 6.7e12
I_average in pulse 2 mA
Pulse length 550 micro s
Pulse rep rate 20 Hz
Bunch pattern programmable
RF frequency 162.5 MHz
325 MHz
650 MHz
Mu2e-II parameters
Run time/yr 2e7 s
Duration of run 3 yr
Total run time 6e7 s
Total linac reps 1.2e9
Extinction 1e-11
Beam power 100 kW
Optimizable parameters for stopping target material
Aluminum stopping target
Number of bunches 16 (at 162.5 MHz)
Spill width 100 ns
Spill period 1693 ns
Spills/linac rep 27770 approximate, at 20 Hz linac repetition rate
Protons/spill 1.4e9
POT 4.67e22
Stopped mu/p 1.9e-4 rough estimate, TBC, assumes stopped mu/kW same at 800 and 8000 MeV among possibly other things
SES <3e-18
E(conversion e-) 104.97 MeV
tau(muon) 864 ns
Lead stopping target
E(conversion e-) 94.9 MeV