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  • July 6, 2007 Neutron Capture in lead
    ...ss 10 cm on sides of HpGe detector. The source was Cf-252 without and with lead container of 60μCi activity.<br> ...ver, 388 kev and 333 kev, energy lines of Cf-249 are more dominant without lead.<br>
    867 bytes (135 words) - 14:20, 26 July 2007
  • Some notes about shielding materials
    =Lead Pb= ...204Pb regarded as completely primordial lead [http://en.wikipedia.org/wiki/Lead Wikipedia]
    797 bytes (127 words) - 03:16, 7 April 2012
  • Shielding Materials
    =Lead Pb= ...204Pb regarded as completely primordial lead [http://en.wikipedia.org/wiki/Lead Wikipedia]
    808 bytes (127 words) - 19:04, 24 May 2012
  • NaI Attenuation Measurements
    ...block photons and borated poly to block signal to NaI detector -> now have lead sheets Then remove lead to see effect of photons
    589 bytes (104 words) - 18:05, 18 May 2021
  • PAS Experiment Lead Shielding
    == Lead Bricks == Painted half size lead bricks (1"x2"x4") with red epoxy based paint for safer handling when buildi
    1 KB (231 words) - 23:44, 1 June 2021
  • Tri-MeV Shot Images
    From left to right there is varying thicknesses of Lead in front of the image plate. Starting with no Lead, then increasing by 1/8" to a maximum of 7/8", then decreasing at the same
    453 bytes (75 words) - 14:02, 14 July 2016
  • Finding the Space Between Lead Shots
    [[Image:lead shot labeled.jpg|thumb|Lead Shot|400 px]] 2 - Box filled with Lead, m <sub>2</sub>
    3 KB (435 words) - 06:26, 5 February 2009
  • July 11, 2007 Experimental setup
    ...or and Cf-252. As a shielding from cosmic rays for HPGe detector were used lead of thickness 10 cm and for neutrons paraffin wax of 12.6 cm thickness<br> Below is presented Cf-252 source of 60 microCi activity and lead pig for the same source<br>
    450 bytes (69 words) - 00:54, 23 October 2007
  • Spectra of neutrons and gamma-rays from Cf-252 source
    ...spectrum on 1.11 cm plate of lead (the thickness is like the thickness of lead container for Cf-252 source):
    741 bytes (112 words) - 16:56, 15 July 2007
  • PhotoFiss 3-7-11
    | 3/7/11 || 1912 || 1" lead brick as physics target | 3/7/11 || 1914 || Radiator in, bending beam down, lead target
    3 KB (348 words) - 16:52, 1 April 2011
  • June 25,2007 Cf-252 measurements of total gamma-spectrum using HpGe ungated
    ...of thickness 12.6 cm was used as a neutron attenuator and for cosmic rays lead of thickness 10 cm on sides of <br>HpGe detector. Total time of the run was ==Lead-214 line==
    1,005 bytes (149 words) - 00:50, 23 October 2007
  • Jule 3,2007 Cf-252 without lead container measurements with HpGe & fast plastic scintillators in coincidence
    ...t 9 hours. Total number of counts: 658, 012. The source was Cf-252 without lead container of 60μCi activity.<br>
    901 bytes (129 words) - 16:57, 6 July 2007
  • LB Photon Flux Sim Feb 2017
    ...aced varying distances away from the radiator and the positions within the lead where the photons hit are plotted.
    427 bytes (74 words) - 23:56, 12 February 2017
  • PhotoFiss 3-2-11
    | 3/2/11 || 1797 || 1/4" lead sheet target first ToF attempt | 3/3/11 || 1815 || Lead Target ToF attempt, good looking gamma peak, need more stats
    2 KB (308 words) - 16:51, 1 April 2011
  • PhotoFiss 3-1-11
    | 3/2/11 || 1797 || 1/4" lead sheet target first ToF attempt | 3/3/11 || 1815 || Lead Target ToF attempt, good looking gamma peak, need more stats
    2 KB (308 words) - 16:49, 1 April 2011
  • July 3,2007 Cf-252 without lead container measurements with HpGe & fast plastic scintillators in coincidence
    ...t 9 hours. Total number of counts: 658, 012. The source was Cf-252 without lead container of 60μCi activity.<br>
    919 bytes (132 words) - 00:51, 23 October 2007
  • PhotoFiss 3-3-11
    | 3/3/11 || 1815 || Lead Target ToF attempt, good looking gamma peak, need more stats | 3/3/11 || 1816 || Lead Target ToF attempt, cancelled due to multiple start pulse problem
    2 KB (277 words) - 16:51, 1 April 2011
  • June, 11, 2007 Cosmic Ray measurements using HpGe Detector
    ...the lead shielding plate and the Red cure is what happens when a 1" thick lead plate is placed on top of the Ge detector to shield cosmics. The integrate
    802 bytes (128 words) - 22:09, 19 June 2007
  • PAS Shielding
    ='''Lead'''= =='''Lead Bricks'''==
    2 KB (381 words) - 19:33, 20 December 2022
  • Shot 84 Image
    [[File:SHOT 84.jpg|400px|thumb|left|1/8 inch lead steps]]
    57 bytes (9 words) - 22:58, 12 July 2016
  • GEMS
    Part # P103535VAR = $50 portable bottle of 65% Ar 35% Ethane (10 day lead time) ...put one lead from the HV power supply onto the DVM and then the other DVM lead onto the GEM foil). Set the DVM to mV scale and don't set it to measure cu
    2 KB (296 words) - 03:18, 8 December 2012
  • Position/Timing resolution study with CO-60
    ...ept for right below the source, where there was small pin hole through the lead. Placed directly above the source is a finger detector that is in hardware
    721 bytes (111 words) - 00:14, 20 May 2016
  • June, 21, Cosmic background BC408 on top of HpGe
    ...the both sides, front layer was 20.4 cm and bottom one 5 cm. There was not lead on top of HpGe detector<br>
    878 bytes (132 words) - 01:10, 24 June 2007
  • 2-Neutron Correlation Setup Stuff
    ==Neutron and Photon Flux Through Lead== ...sults illustrate how much of the initial beam actually made it through the lead.
    4 KB (566 words) - 15:42, 11 July 2012
  • Cosmic Ray Shielding Test
    |Layers of lead
    300 bytes (42 words) - 06:22, 5 February 2009
  • PAS Lead Tunnel
    Made lead brick tube 6/4/2021 ...le:PAS_Lead_Tunnel_2.jpg|300px|thumb|center|Looking down the center of the lead tunnel. Detector will be mounted at the far end ]]
    1 KB (172 words) - 03:15, 5 June 2021
  • TF Simul PhotField IAC 2n
    A 30 cm radius lead collimator is position within the wall. Lead Collimator is 15 cm in radius with a 1/4" diameter hole.
    2 KB (381 words) - 22:44, 1 July 2014
  • 09-08-2016
    ...et, poly, and stand,Installed 3rd collimator wall, D30 has one 1/16" thick lead curtain [[File:Rate2nC_5302.png|40px]][[File:Run5302_ToF_Histograms.png|40p ...r magnet, poly, and stand,Installed 3rd collimator wall, D30 has '''NO''' lead curtain [[File:Rate2nC_5303.png|40px]][[File:Run5303_ToF_Histograms.png|40p
    13 KB (1,995 words) - 20:58, 27 September 2016
  • Double Peak Analysis
    The lead in front of the neutron detectors was removed. Run 1930 shows the results ...collimation hole was blocked on the accelerator hall side with 8 inches of lead. Run 1923 is with a no physics target.
    3 KB (577 words) - 21:39, 27 April 2011
  • PhotoFissionOctoberAnalysis
    Black lead shot collimator increased neutron flux by factor 2? Black lead shot collimator increased neutron flux by factor 2?
    4 KB (566 words) - 06:29, 5 February 2009
  • June, 7, 2007 Cf rate measurements using Photonics PMT
    3: Replaced steel wall with 5 cm thick lead shielding brick 4: Replaced lead brick with 6.7 cm thick paraffin block ( Paraffin N.F. , Household wax made
    8 KB (1,249 words) - 18:49, 29 June 2007
  • PbBi NioWave TargetProperties 2015
    Definition of Lead Bismuth
    306 bytes (44 words) - 16:37, 11 February 2016
  • 05-2-2017
    ...width , 1.3 A Peak , 180.4 Hz , small Scint at .725 m and 1.45 m, added 2" lead on beam right side of magnet || ||[[File:R6275-R6276Overlay.png|200px]] | ...width , 1.3 A Peak , 180.4 Hz , small Scint at .725 m and 1.45 m, added 2" lead on beam right side of magnet || ||[[File:R6275-R6276Overlay.png|200px]] |
    4 KB (603 words) - 00:12, 16 June 2017
  • D2O photodisintegration simulation
    ...nd the beam line. Scattered photons may produce background neutrons in the lead shielding of neutron detectors. ...ot have many photons which are energetic enough to produce neutrons in the lead.
    3 KB (564 words) - 15:12, 11 April 2011
  • MCNP simulations
    [[Neutron scattering in lead shielding]]
    365 bytes (45 words) - 00:01, 13 October 2016
  • PAS Thermalizing Box Design
    * Red - Lead brick ='''Lead'''=
    2 KB (299 words) - 16:38, 19 July 2021
  • 2-Neutron Correlation
    ==Neutron and Photon Flux Through Lead== ...sults illustrate how much of the initial beam actually made it through the lead.
    6 KB (851 words) - 20:51, 2 October 2012
  • Logbook
    * Lead: Detector surrounded on 4 sides by 1" lead. Front end up to 4" of lead. Back end exposed. * Poly: Up to 40cm of green poly between lead and source (line-of-sight). No poly elsewhere.
    5 KB (674 words) - 18:47, 11 May 2021
  • 11-10-2016
    ...mV, All detectors at -1500 V except D30 which is at HV =-1450, r'''eplaced lead beam dump with Aluminum, 8" center + 4" radially out (ie double brick near ...30 mV, All detectors at -1500 V except D30 which is at HV =-1450, replaced lead beam dump with Aluminum, 8" center + 4" radially out (ie double brick near
    5 KB (731 words) - 16:16, 11 November 2016
  • 2n BKG data
    There was 2" of lead in front of the Det G. Det G was placed on the floor.
    662 bytes (104 words) - 23:12, 7 December 2012
  • CodyMilne G4Proj
    ...eight 55cm. There is a 1mmx1cm hole (made of Argon) from the center of the lead cask to the outside, pointed toward the middle of the Germanium crystal. ...goal of this gun is to simulate decay from a fuel rod on the inside of the lead cylinder. Angular cuts are made on the gun to limit wasteful gammas from be
    5 KB (741 words) - 19:35, 28 May 2016
  • Neutron Production Thresholds
    | Lead || 7.05 || 50 mbarns at <math> E_{\gamma}</math>=8 MeV
    656 bytes (80 words) - 21:02, 20 April 2011
  • X-talk between n-dets
    Behaviour of lead and borated poly under the neutron radiation: 3) borated poly was placed in between two layers of 1" lead layers;
    6 KB (949 words) - 16:09, 8 June 2015
  • June 27,2007 Cf-252 measurements with HpGe detector and BC408
    Paraffin wax of thickness 12.6 cm and lead of 10 cm thickness were used as a shielding from neutrons and cosmic rays<b
    525 bytes (77 words) - 00:50, 23 October 2007
  • Thickness of Lead to block photons
    ...s}</math> <math>\textbf{of}</math> <math>\textbf{the}</math> <math>\textbf{lead = 3.24 cm}</math>
    610 bytes (77 words) - 06:27, 5 February 2009
  • CLAS12 R1 SOW
    | 4 || May 2,2011|| Hire lead stringer send to JLab for training Lead stringer spends < 5 Months initially at JLab stringing 1/2 of a R1 chamber,
    7 KB (903 words) - 04:56, 25 March 2011
  • ISU Policies
    Personal information that, if compromised, could lead to identity theft.
    816 bytes (117 words) - 19:45, 1 August 2011
  • June 19,2007 Cf-252 measurements of gamma-spectrum using HpGe ungated
    ...er of thickness 15 cm was used as a neutron attenuator and for cosmic rays lead of thickness 5 cm in front of <br>HpGe detector. Total time of the run was
    830 bytes (130 words) - 00:46, 23 October 2007
  • 52x48 Steel Table
    *Table is fully assembled and has been holding NaI detector and lead. Should be ready for experimental setup
    449 bytes (71 words) - 00:07, 2 June 2021
  • Submitted parts of the dissertation and their comments
    An introductory paragraph can lay out the contents of Chapter 1 in order to lead into the description contained in Chapter 1.
    1 KB (162 words) - 20:47, 17 April 2015

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