GEODM sim for depth working group - University of …...GEODM sim for depth working group A. Reiseer...

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GEODM sim for depth working group A. Reise:er SuperCDMS and GEODM collaboraAons AARM meeAng 6/23/2012

Transcript of GEODM sim for depth working group - University of …...GEODM sim for depth working group A. Reiseer...

Page 1: GEODM sim for depth working group - University of …...GEODM sim for depth working group A. Reiseer SuperCDMS and GEODM collaboraons AARM meeng 6/23/2012 7m rock Cavern is 20m cube

GEODMsimfordepthworkinggroup

A.  Reise:erSuperCDMSandGEODMcollaboraAons

AARMmeeAng6/23/2012

Page 2: GEODM sim for depth working group - University of …...GEODM sim for depth working group A. Reiseer SuperCDMS and GEODM collaboraons AARM meeng 6/23/2012 7m rock Cavern is 20m cube

7mrockCavernis20mcube

Water12mdiameter&height

Shielding/materialthicknesses

4.9mwater1cmsteel20cmpoly3cmCu

GEODMgeometryAsclosetoLUXaspossible

Page 3: GEODM sim for depth working group - University of …...GEODM sim for depth working group A. Reiseer SuperCDMS and GEODM collaboraons AARM meeng 6/23/2012 7m rock Cavern is 20m cube

10towers30det/tower

Eachdet:6”diameter2”thick5.1kg/det

Total1.53e3kgGe

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LiveAme&staAsAcs

MUSUNmuonsforSanfordlabthrownfrom5sidesof34mcubePropagatedwithGeant4.9.5Physicslist:Shielding,withpatch,andnewMuonNuclearonAllshowerparAcleskept

3000filesof20kmuonseach,postedath:p://cdmsnano.fnal.gov/xfer/simData/DUSELmuonFiles/

LiveAmeof73.6years

Forthisanalysis,Muons:2.45yearsNeutrons:5.91years

Page 5: GEODM sim for depth working group - University of …...GEODM sim for depth working group A. Reiseer SuperCDMS and GEODM collaboraons AARM meeng 6/23/2012 7m rock Cavern is 20m cube
Page 6: GEODM sim for depth working group - University of …...GEODM sim for depth working group A. Reiseer SuperCDMS and GEODM collaboraons AARM meeng 6/23/2012 7m rock Cavern is 20m cube
Page 7: GEODM sim for depth working group - University of …...GEODM sim for depth working group A. Reiseer SuperCDMS and GEODM collaboraons AARM meeng 6/23/2012 7m rock Cavern is 20m cube
Page 8: GEODM sim for depth working group - University of …...GEODM sim for depth working group A. Reiseer SuperCDMS and GEODM collaboraons AARM meeng 6/23/2012 7m rock Cavern is 20m cube

FromChao’s“Soloneutron”distribuAon

Page 9: GEODM sim for depth working group - University of …...GEODM sim for depth working group A. Reiseer SuperCDMS and GEODM collaboraons AARM meeng 6/23/2012 7m rock Cavern is 20m cube

Total >1MeV >10MeV >100MeVM&HGSratesscaledtoHomestakeusingmuonrates(.44/2.58)

0.46 0.138 0.125 0.0343

Thissim 0.574/0.22w/200keVthresh

0.164 0.0678 0.0310

Mei&HimetableVcomparisonusingneutronsentering16mx16mcavern

units:nx10‐9/cm2/s

Page 10: GEODM sim for depth working group - University of …...GEODM sim for depth working group A. Reiseer SuperCDMS and GEODM collaboraons AARM meeng 6/23/2012 7m rock Cavern is 20m cube

Ingoingneutronsoutsideandinsideshield

volume #neutrons #events Mul4plicity Eventrate/cm2/s

Cavern(avgall6walls)

1.43M 191k 7.49 6.68e‐11

Steelwallinsidewater

135k 38k 3.56 2.68e‐9

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NRsindets