PhotoFission with Polarized Photons from HRRL

Radiator Foil

Eγ

Using Carbon or Aluminum to block photons

Eγ vs probability with 5 cm of D20

Eγ vs probability with 8 cm of D20

Thickness of Lead to block photons

Where does the radiator need to be?

Determining the uncertainty of Eγ

Things That Still Need to Get Done

Tasks March 31, 2009

Notes from July 2nd, 2008 Meeting

Brems Intensity Spectrum (with Collimation Factors) Plots

Dr. Forest is pathetic

Electronics diagram 2/2/11

Brems Intensity Spectrum (without Collimation Factors) Plots

Notes for the July 11th, 2008 Meeting

Column of Water Length

Finding the Space Between Lead Shots

Electronics We Need to Collect

Compton Scattering

Constant Fraction Discriminator Details

Magnet Calculations

Notes from July 22nd, 2008 Meeting

Current Conceptual Design of Beamline

Matching Detectors

Cosmic Ray Shielding Test

Neutron Time of Flight Test

October Fission HRRL Measurements 2008

PhotoFis.C (ROOT program to analyse data)

Pictures of experimental setup

Data bank

Integrated asymmetry

Peaks fitting

Neutron Production Thresholds

Conversion TDC to Energy

Cross Sections of C,N,O,Si,Pb

TDC Calibration

FWHM distribution

A kind of analysis

NaI spectra

B-field calculation

Plastic Scintillator Calculation

New Magnets

Spectra Analysis

Bremsstrahlung lineshape for E0 = 16 MeV, Ti radiator

Flux from NaI vs. Gamma Flash

ACCAPP_09_PhotFis_Poster

Pair Spectrometer Info

Faraday Cup Analysis

March 2010 Run Report

Minimum accelerator energy to run experiment

Collimation geometry for different beam energies

Counts Rate (44 MeV LINAC)

Neutron Polarimeter

Pair Spectrometer

Aluminum Converter

Faraday Cup Temperature

Kicker Magnets

MCNPX Simulations for Neutron Beam

IAC experimental cell

Neutron Detector Setup

44 MeV Beam Line Optimization

FFs angular asymmetry

Electronics & DAQ

Cool beamline drawings

Pair Production Rate Calculation

Ribbon Cable Attenuation Measurements

Current Electronics

Draft Run Plan 2/23/11

44 Setup

FC calibration 2/28/11

n's detectors threshold measurements 2/28/11

PS front an back counts rates (cosmic) 2/28/11

Go Back