Mu-neutrino & tau-neutrino mixing/scattering

  • Thread starter Thread starter kokolovehuh
  • Start date Start date
kokolovehuh
Messages
22
Reaction score
0
Hi all,
I was wondering, is this scattering process even possible? Since we cannot mix the two neutrinos on one side due to lepton number conservation, we need to convert one of the neutrino to its anti-neutrino by crossing symmetry. To conserve tau&mu number we have:

tau-neutrino + anti tau -> anti mu-neutrino + mu

However, this does not conserve charges!

Am I getting something wrong here, or is this scattering not possible?
Thanks in advance :-)
 
Physics news on Phys.org
Try to draw a Feynman diagram ;).
It is not possible.

tau-neutrino + anti tau -> W -> mu-neutrino + anti-mu is possible.
 

Thread 'Toponium Discovered'

Toponium is a hadron which is the bound state of a valance top quark and a valance antitop quark. Oversimplified presentations often state that top quarks don't form hadrons, because they decay to bottom quarks extremely rapidly after they are created, leaving no time to form a hadron. And, the vast majority of the time, this is true. But, the lifetime of a top quark is only an average lifetime. Sometimes it decays faster and sometimes it decays slower. In the highly improbable case that...
View full post »

Thread 'Dirac-Delta from Normalization of Continuous Eigenfunctions'

I'm following this paper by Kitaev on SL(2,R) representations and I'm having a problem in the normalization of the continuous eigenfunctions (eqs. (67)-(70)), which satisfy \langle f_s | f_{s'} \rangle = \int_{0}^{1} \frac{2}{(1-u)^2} f_s(u)^* f_{s'}(u) \, du. \tag{67} The singular contribution of the integral arises at the endpoint u=1 of the integral, and in the limit u \to 1, the function f_s(u) takes on the form f_s(u) \approx a_s (1-u)^{1/2 + i s} + a_s^* (1-u)^{1/2 - i s}. \tag{70}...
View full post »

Similar threads

I A test for a superluminal neutrino?
Replies
4
Views
2K
A Transforming lepton basis to diagonlise charged lepton mass
Replies
5
Views
2K
Why is this tau decay not allowed?
Replies
13
Views
2K
I Do Neutrinos Need to be Their Own Antiparticle for Majorana Masses to Exist?
Replies
6
Views
2K
I Can Neutrinos Be Their Own Anti-Particles?
Replies
3
Views
2K
A IceCube rules out last SM explanation of ANITA’s anomalous neutrinos
Replies
3
Views
3K
I How do the collider experiments measure the mass of the W boson?
Replies
4
Views
4K
B What does QFT really predict about matter/anti-matter interactions?
Replies
6
Views
2K
I Are neutrinos definitely ruled out as Dark Matter?
Replies
36
Views
5K
I Positron/Proton Scattering Weak Charged Current
Replies
5
Views
2K

Hot Threads

Recent Insights

Back
Top