Using the effective range formula, evaluate the total n-p scattering cross-section for a neutron interacting with a free proton in a laboratory at 10MeV.
Given: scattering lengths:
Effective range:
Here’s the straight s-wave effective-range evaluation, with all steps shown. # 1) Convert 10 MeV lab to CM and get k For $n$ on _____ _______ ___ ___ __________ ________ __________ _______ ____.
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Explain tensor potential which justifies the non – zero quadrupole moment of deuteron.
A nucleus has energy levels at 0.025, 0.082, 0.160, 0.326 and1.415MeV. Which of these energies are expected to be the energy of members
of the rotational band if the ground state of
i)Why do we need to cool the Co 60 sample in Wu’s experiment?
ii) Prove that the law of conservation of angular momentum is not violated in
decay if the intrinsic spin of neutrino is
Using the nuclear shell model, obtain the magnetic moment and electric
quadrupole moment of the ground state of Sc nuclei.
Given :
What is charge conjugation? Derive the eigenvalues of the charge conjugation operator
List the quantum numbers associated with leptons. State whether they are conserved in strong, weak and electromagnetic interactions. Hence explain whether the following reactions are allowed
:
b) Show thats a weak interaction decay whereas
electromagnetic decay.
On the basis of semi-empirical mass formula, explain as why there are two mass parabola for even-A nuclei and only one for A-odd nuclei.
Consider a square well potentialObtain wavefunction of deuteron within the range of potential and outside.