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## Homework Statement

A hypertriton (a bound system with a L hyperon together with a deuteron core (proton

and neutron) is produced at the origin of the coordinate, (x,y)=(0,0) with a velocity of 0.94c

(beta=0.94), flying along the x-axis. The mass of the hypertriton is 2.991 GeV/c2

. It decays into pi (mp- = 0.14 GeV/c2) and 3He (m3He = 2.809 GeV/c2). The hypertriton immediately decays at the origin. Now you have a detector at x=0.4. Create y-hit distributions of p- and 3He with

10000 hypertriton decay events.

## The Attempt at a Solution

I am writing a code to do this, but I am having trouble understanding.

I will be randomly generating angles (only forwards) for my particles in this code.

I am thinking, if I know the angle of the particle and the distance in x that it travels (0.4m) then can I just use a simple sin (basic geometry) to find the position in why

so y = sin(theta) * (0.4)

I feel like this is way too simple so I am missing something crucial in the question