Learn about Mu2e-II

Nominal Parameter values

Parameter	Nominal value	Units
PIP-II parameters
Beam energy (kinetic)	800	MeV
	1.28[math]\displaystyle{ \small{\times 10^{-10}} }[/math]	J
Particles/pulse	6.7[math]\displaystyle{ \small{\times 10^{12}} }[/math]
I_average in pulse	2	mA
Pulse length	550	[math]\displaystyle{ \small\mu }[/math]s
Pulse rep rate	20	Hz
Bunch pattern	programmable
RF frequency	162.5	MHz
	325	MHz
	650	MHz
Mu2e-II parameters
Run time/yr	2[math]\displaystyle{ \small{\times 10^{7}} }[/math]	s
Duration of run	3	yr
Total run time	6e7	s
Total linac reps	1.2[math]\displaystyle{ \small{\times 10^{9}} }[/math]
Extinction	1[math]\displaystyle{ \small{\times 10^{-11}} }[/math]
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	1.4[math]\displaystyle{ \small{\times 10^{9}} }[/math]
POT	4.67[math]\displaystyle{ \small{\times 10^{22}} }[/math]
Stopped mu/p	1.9[math]\displaystyle{ \small{\times 10^{-4}} }[/math]	rough estimate, TBC, assumes stopped mu/kW same at 800 and 8000 MeV among possibly other things
SES	<3[math]\displaystyle{ \small{\times 10^{-18}} }[/math]
E(conversion e-)	104.97	MeV
tau(muon)	864	ns
Lead stopping target
E(conversion e-)	94.9	MeV