PhotoFiss 3-7-11

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Revision as of 22:06, 7 March 2011 by Swanjase (talk | contribs) (→‎Runs)
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TDC Map

TDC Chan Detector
1 Event Trigger
12 Sofiia (neutron detector Beam Right down)
13 Natali (neutron detector Beam Left down)
14 Irina (neutron detector Beam left center)
15 Polina (neutron detector Beam left top)

Runs

Date Run Number Comment
3/7/11 1905 Rad out, sweep magnet out, no physics target, looking at background into shielded cell
3/7/11 1906 Adjusted pulse start width
3/7/11 1907 Moved gamma peak on TDC spectrum to ~100ns
3/7/11 1908 Longer run to get more data
3/7/11 1909 Moved pair spec and ps sweep magnet centered on off axis beam
3/7/11 1910 Beam put into shielded cell, no target
3/7/11 1911 Radiator in, TDC gamma peak using no target
3/7/11 1912 1" lead brick as physics target
3/7/11 1913 Radiator out
3/7/11 1914 Radiator in, bending beam down, lead target
3/7/11 1916 Radiator in, bending beam up, lead target
3/7/11 1917 e- sweep magnet put in, kicker magnet off, radiator in
3/7/11 1918 Polina thresh lowered to -200mV, no target
3/7/11 1919 Radiator out, no target
3/7/11 1920 Water stop in
3/7/11 1921 Water stop out, radiator in, 8" Lead blocking collimator hole
3/7/11 1922 Gate valve in
3/7/11 1923 Seperated start and stop pulse by xx ns
3/7/11 1924 Removed 8" Lead from collimation hole, D2O physics target in, Radiator in, sweep magnet in
3/7/11 1925 Removed physics target
3/7/11 1926 Removed Lead shielding Irina, D2O Physics target
3/7/11 1927 Removed physics target, added Lead to other 44 MeV port
3/7/11 1928 D2O target in
3/7/11 1929 Removed Lead shielding in front of all neutron detectors, removed physics target
3/7/11 1930 Re-do of run 1929, but shifted gamma peak on TDC
3/7/11 1931 D2O target in, radiator in
3/7/11 1932 Reinstalled Lead shielding in front of neutron detectors, kicker magnets up with 95A
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Scope Pictures

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