well, yeah, I should have said radius of curvature. there is of course no
close form since there is no close form for B.
On Fri, 20 May 2005, vitalik wrote:
> Do you mean inversely proportional? Otherwise it would mean that the
> higher the momentum the higher the curvature. Is there a close form
> expression for the track length as function of the electron momentum?
>
> Cheers, Vitaliy
>
> Chi Zhang wrote:
>
> >presumably when you adjust the momentum, you should then adjust the
> >geometric trajectory, recalculate the path length, all the absolute time
> >of flight and the mass.
> >
> >I would think the correction in path length is of the same relative size
> >as the momentum correction because the curvature is somewhat proportional
> >to P*B.
> >
> >On Fri, 20 May 2005, vitalik wrote:
> >
> >
> >
> >>This is the question to the wire chamber reconstruction guys:
> >>What is the dependence of the length of the track on the calculated
> >>momentum of the track. That is, if the electron momentum is adjusted
> >>does the length of the track need adjusting?
> >>
> >>
> >> Cheers, Vitaliy
> >>
> >>
> >>
>
>
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