Arie van wijngaarden shoots a puck at his goaltender father

Reference no: EM13584903

Arie van Wijngaarden shoots a puck at his goaltender father. Arie stands 30 meters from a net having dimensions 3 meters x 2 meters.Assuming his father obscures 1/3 of the net, what is the solid angle of open net?

An experimentalist wishes to probe the nucleus which can be approximated as a hard sphere having a radius of 10^-13 cm. How large must the probe beam intesity be if the target consists of 10^10 nuclei and the total scatter rate is to be an order of magnitude larger than the background noise of 10^3 counts/sec?

A beam having a flux of 10^10 particles per second per cm^2 is incident on a target. The differential cross section is d(sigma)/d(omega) = (b^2)(sin(theta))^2. What is the total cross section? What is the value of b if the total number of scattered particles into 4*pi steradians is 10^8 particles per second? How is your answer affected if the beam flux is 10^16 particles per second per cm^2 and the total scatter rate is 10^8 particles/sec?

Reference no: EM13584903

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