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dm_task_force:dec19-11 [2011/12/19 12:38] – [Getting on the same page] 130.71.217.236dm_task_force:dec19-11 [2012/02/29 09:52] (current) – prisca
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-===== Agenda for the December 19, 2011 DM Depth Task Force =EVO meeting at 3 pm central time+===== Agenda for the December 19, 2011 DM Depth Task Force ===== 
 +EVO meeting at 3 pm central time
 Look under Universe for DM Task Force, with password "depth" Look under Universe for DM Task Force, with password "depth"
 or connect by phone at 1 626 395 2112  or connect by phone at 1 626 395 2112 
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 Fill these out by referring to the method. Fill out numbers and put links to spectra.  Templates are included for the first few entries. Please replace with the correct numbers.   Fill these out by referring to the method. Fill out numbers and put links to spectra.  Templates are included for the first few entries. Please replace with the correct numbers.  
 == Muons per sec per sq meter hitting the top of the water tank (downward) + spectrum if available == == Muons per sec per sq meter hitting the top of the water tank (downward) + spectrum if available ==
-    * 2.45 E-2 (File 1 on LZ geometry - Angie) Generated muon events are scaled to measured muon flux on CDMS veto panels. {{:dm_task_force:file.pdf|KE Spectrum}}  +    * 4.4 E-5 (File 1 on LZ geometry - Angie) Explicitly tied to M&H rate.  
-    * 4.22 E-3 (Method A - Monica)  Deduced by comparing neutrons thrown to M&H neutron flux at 4850, scaled by muon:neutron ratio. +    * 4.4 E-5 (Method A - Monica)  Uses M&H muon flux rate at Homestake. 
-    * 3.14 E-2 (Method C - Chao) Deduced by ...+    * 6.46 E-5 (Method C - Chao) Deduced by MUSUN+GEANT4
 == Muons per sec per sq meter hitting all outer walls of the tank (from out to in) == == Muons per sec per sq meter hitting all outer walls of the tank (from out to in) ==
-    * 1.05 E-2 (File 1 on LZ geometry - Angie) Generated muon events are scaled to measured muon flux on CDMS veto panels  +    * 7.3 E-6 (File 1 on LZ geometry - Angie)  
-    * 1.22 E-3 (Method A - Monica)  Deduced by comparing neutrons thrown to M&H neutron flux at 4850, scaled by muon:neutron ratio +    * 4.4 E-5 (Method A - Monica)  Uses M&H muon flux rate at Homestake. 
-    * 2.14 E-2 (Method C - Chao) Deduced by ...+    * 1.84 E-5 (Method C - Chao) Deduced by MUSUN+GEANT4
 == Neutrons (with KE > 100 KeV) per sec per sq meter hitting the top of the water tank (downward) + spectrum (all energies) == == Neutrons (with KE > 100 KeV) per sec per sq meter hitting the top of the water tank (downward) + spectrum (all energies) ==
-    * 9.7 E -7 (File 1 on LZ geometry - Angie)  {{File:dm_task_force:geodmwithluxnspectrum.png | thumb | 50px | spectrum }}+    * 1.9 E -6 (File 1 on LZ geometry - Angie)  {{dm_task_force:geodmwithluxnspectrum.png?50 | spectrum }} 
 +    * 1.7 E-6 (Method A - Monica)  Uses M&H muon-induced neutron flux rate at Homestake and accounts for top and bottom of the water tank. 
 +    * 2.91 E-6 (Method C - Chao) MUSUN+GEANT4
 == Neutrons (with KE > 100 KeV) per sec per sq meter hitting all outer walls of the tank (from out to in) +spectrum (all energies) ==  == Neutrons (with KE > 100 KeV) per sec per sq meter hitting all outer walls of the tank (from out to in) +spectrum (all energies) == 
-    * 1.2 E -6  (File 1 on LZ geometry - Angie) {{:dm_task_force:geodmwithluxnspectrumAll.png | spectrum }} +    * 2.4 E -6  (File 1 on LZ geometry - Angie) {{dm_task_force:geodmwithluxnspectrumAll.png?50 | spectrum }}  
 +    * 3.6 E-6 (Method A - Monica)  Uses M&H muon-induced neutron flux rate at Homestake. 
 +    * 1.13 E-6 (Method C - Chao) MUSUN+GEANT4
 == Neutrons (with KE > 100 KeV) per sec per sq meter entering detector volume + spectrum == == Neutrons (with KE > 100 KeV) per sec per sq meter entering detector volume + spectrum ==
-    * 3.0 E -7 (File 1 on LZ geometry - Angie)  {{:dm_task_force:geodmwithluxnspectrumInner.png | spectrum }}+    * 5.9 E -7 (File 1 on LZ geometry - Angie)  {{dm_task_force:geodmwithluxnspectrumInner.png?50 | spectrum }} 
 +    * 3.4 E -10 (Method A - Monica) This value though has the caveat that there must be some energy deposition (NR or ER) in the liquid Xe since we did not store all events that pass into the detector. 
 +    * 1.00 E-8 (Method C - Chao) MUSUN+GEANT4
 == Events per sec that have at least one NR == == Events per sec that have at least one NR ==
-    * 2.5 E -5 (File 1 on LZ geometry - Angie)+    * 4.9 E -5 (File 1 on LZ geometry - Angie) 
 +    * 5.44 E -8 (Method A - Monica) for NR_dep > 5 keV_r; 5.42 E -8 for NR_dep > 10 keV_r 
 +    * 2.56 E -9 (Method C - Chao) MUSUN+GEANT4 -> Secondary neutron only
 == Rate of single NR (without including info from any possible veto) == == Rate of single NR (without including info from any possible veto) ==
-    * 3.0 E -7 (File 1 on LZ geometry - Angie)+    * 5.9 E -7 (File 1 on LZ geometry - Angie) 
 +    * 1.1 E -10 (Method A - Monica) for NR_dep > 5 keV_r & Single Scatter cut; 1.0 E -10 for NR_dep > 10 keV_r 
 +    * < 4.26e-12 (Method C - Chao) MUSUN+GEANT4 -> Secondary neutron only
 == Rate of Single WIMP candidates (ignore veto) == == Rate of Single WIMP candidates (ignore veto) ==
 +    * 3.2 E -12 (Method A - Monica) see slides; 
 == Veto ratio (vetoed : unvetoed) for single NR (add your veto "rules") == == Veto ratio (vetoed : unvetoed) for single NR (add your veto "rules") ==
 +    * 69:2 (Method A - Monica) single NR corresponds to NR > 5 keV_r and single scatter cut.  Veto corresponds to applying all cuts (NR cut, Single Scatter, Elastic, and Fiducial)
 == Veto ratio for multiple NR.== == Veto ratio for multiple NR.==
- +    * 33506:10 (Method A - Monica) multiple NR corresponds to NR > 5 keV_r.  Veto corresponds to applying NR, Elastic, and Fiducial cut
 ==== Soudan Benchmarking ==== ==== Soudan Benchmarking ====
   * Status of filtered files - Melinda, Angie   * Status of filtered files - Melinda, Angie
-  * Livetime numbers+  * Livetime numbers: 6e7 muons -> 35 days -> ~60k events with neutrons hitting the N detector geometry
  
 ==== Refine benchmark plots and numbers ==== ==== Refine benchmark plots and numbers ====
 ==== Schedule Next meeting ==== ==== Schedule Next meeting ====
dm_task_force/dec19-11.1324319937.txt.gz · Last modified: 2011/12/19 12:38 by 130.71.217.236

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