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Questions related to Particle Physics
As we know, the observed mass of a particle is the sum of the bare mass and the quantum corrections. Physically, how can I understand bare mass? Is it the mass at the tree level?
06 June 2017 2,569 1 View
Because Gell-Mann could find in the Baryon-Meson-SEXTETT (Neutron-Proton-Pion-Antineutron-Antiproton-Kaon-Neutron) only 6 Triangles. And their Points of Gravidity are the 6 Quarks, where each...
02 February 2017 4,033 0 View
In two Higgs doublet model (2HDM), how the W and Z bosons get mass? I am specifically looking for Type II 2HDM case.
01 January 2017 1,264 8 View
I have a Feynman graph in t-channel with vector (X)-scalar(\phi)-scalar(\phi) vertex. Can someone please help me to find out what is the vertex factor for such a process and how can I calculate...
01 January 2017 7,815 4 View
in particle physics N + N = N + N
12 December 2016 4,816 0 View
How a particle is moving on a one dimensional lattice if we use a Discrete Quantum Walk?
12 December 2016 9,848 2 View
I am looking into how to set up a FTIR system to analyse InAs QDs embedded in GaAs and would like to know which geometry (Transmission or Reflectance) would be the best and cost effective for it....
12 December 2016 2,962 2 View
Dear all, during the reading of Absorption and Scattering of Light by Small Particles,i find it difficult to understand the process of Mie theory's calculation for particles' optical efficiency....
09 November 2016 838 10 View
Assume two identical fermions, e.g. 3He, and polarized with the same spin projection, e.g. z-polarized. The fermions are sent from afar to the same detector - see attached picture. The dimensions...
28 October 2016 2,765 14 View
10 October 2016 4,523 15 View
Consider a frame of coordinates F, in movement with a velocity V with respect to the lab. Assume that we prepare in the lab a beam of spin 1 bosons, polarized along a direction Q which makes an...
10 October 2016 7,014 18 View
my dear unique scholars i am requesting to comment on my new research result. so please comment on this. We differentiate two electrons present in a same quantum states in terms of ℓ, the angular...
10 October 2016 1,869 34 View
I know that 1) Majorana fermions are the antiparticals of its own and the Dirac particals are not anti particals of their own 2) Weyl particals are the half charged Dirac particals. But how can i...
10 October 2016 1,774 3 View
Thank you in advance Ilhem
10 October 2016 4,883 7 View
10 October 2016 1,185 33 View
We know that ${\gamma_{mu},\gamma_{nu}}$= 2 $g_{\mu\nu}$, where $g_{\mu\nu}$ is the flat metric . That shows spinors are someway related to the metric of space. Can anyone please explain how?
17 September 2016 9,169 2 View
I am working on charge particles production by DT neutrons. I need to calculate the energy loss correction of charged particles in the sample materials. There are codes like Perten, Crawl, Connect...
09 September 2016 6,431 3 View
09 September 2016 10,057 3 View
The quark theory assigns certain quark combinations to the different particles, par example:Proton p = (uud)Neutron n = (udd)ngative delta Δ– = (ddd)ngative omega Ω– = (sss)Provided that the quark...
21 August 2016 1,628 4 View
The equation is in the attached file. I would appreciate even approximate solutions with accuracy higher than the Fokker-Planck approximation.
08 August 2016 4,379 1 View
What is that Charge conjugate in Majorana mass term. Is that a matrix or it works as an operator. Please someone explain me.
08 August 2016 3,165 1 View
08 August 2016 10,199 5 View
I read in a research paper that " Dry sodium chloride aerosol has a considerable level of negative charge of the particles (6-10 nK/cubic meter)" Is it correct or not?
08 August 2016 8,866 8 View
I want to further analyze wood particles physically and chemically. Thus, the analytical sample should be representative of the whole. Many thanks!
12 July 2016 503 3 View