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A specific reference frame that describes its coordinates in a manner that does not depend on time and is isotropic.

1 vote
1 answer
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Frequency of photon from decaying particle in Lab Frame [closed]

A particle of rest mass M, while at rest in the laboratory, decays into a particle of mass $m$ and speed $v$, and a photon of frequency $f$ moving in opposite direction. Relativistic momentum and ener …
Student146's user avatar
1 vote
1 answer
150 views

Commutativity and Associativity of Poincare Transformations

Commutativity and Associativity of Poincare Transformations: For commutativity I showed that $2$ successive transformations does not commute with the same transformations reversed. $$(Λ_2 Λ_1, Λ_2 a …
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Frequency of photon from decaying particle in Lab Frame

This was just a simple re-arrangement problem which I think I have since solved. If $Mc^2=\gamma(v)mvc+\gamma(v)mc^2$ $Mc^2=\gamma(v)mc(v+c)$ $\frac{Mc}{v+c}=\gamma(v)m$ using $0=\frac{hf}{ …
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Energy and momentum conservation equations for frame moving at speed $v$

A particle of rest mass $M$, while at rest in the laboratory, decays into a particle of mass $m$ and speed $v$, and a photon of frequency $f$ moving in opposite direction. I want to look at this …
Student146's user avatar