Difference between revisions of "DV RunGroupC Moller"
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===[[DV_a_z_target|Atomic Mass and Electron Number Effects]]=== | ===[[DV_a_z_target|Atomic Mass and Electron Number Effects]]=== | ||
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| − | [[Calculating the differential cross-sections for the different materials, and placing them as well as the theoretical differential cross-section into a plot: | ||
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=Reconstruction= | =Reconstruction= | ||
Revision as of 02:52, 29 March 2016
need to insert moller shielding into card after moller LUND file is created. (see clas12/beamline)
Simulating the Moller scattering background for EG12
GEANT4 Simulation of Moller Events
Simulation Setup
Determine the Moller background using an LH2 target to check the physics in GEANT4
Distributions For LH2
LH2 Momentum Distribution in the Lab Frame
LH2 Angular Distribution in the Lab Frame
LH2 Momentum Distribution in the Center of Mass Frame
LH2 Angular Distribution in the Center of Mass Frame
Comparing experimental vs. theoretical for Møller differential cross section 11GeV
Figure 5c: The experimental and theoretical Moller electron differential cross-section for an incident 11 GeV(Lab) electron in the Center of Mass frame of reference.
Change to a NH3 Target
Replacing the LH2 target with an NH3 target
Distributions for NH3
NH3 Momentum Distribution in the Lab Frame
NH3 Angular Distribution in the Lab Frame
NH3 Momentum Distribution in the Center of Mass Frame
NH3 Angular Distribution in the Center of Mass Frame
LH2 Vs. NH3
Comparing Momentum Distribution in the Lab Frame
Comparing Angular Distribution in the Lab Frame
Comparing Momentum Distribution in the Center of Mass Frame
Comparing Angular Distribution in the Center of Mass Frame
Effects Due to Target Material
Target Density
Atomic Mass and Electron Number Effects
==[[Calculating the differential cross-sections for the different materials, and placing them as well as the theoretical differential cross-section into a plot:|Differential Cross-Section Offset]
Reconstruction
Moller Track Reconstruction in eg12
Papers used
[1]Farrukh Azfar's Derivation of Moller Scattering
A polarized target for the CLAS detector
An investigation of the spin structure of the proton in deep inelastic scattering of polarized muons on polarized protons
QED Radiative Corrections to Low-Energy Moller and Bhabha Scattering
http://arxiv.org/abs/1602.07609