理想のガイガーカウンター vs 私のガイガーカウンター
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理想のガイガーカウンター vs 私のガイガーカウンター

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理想のガイガーカウンター vs 私のガイガーカウンター 理想のガイガーカウンター vs 私のガイガーカウンター Presentation Transcript

  • vs KEK2011 6 19
  • 2011 6 19
  • β γ m2011 6 19
  • β γ •γ ( β •β . •β γ →β /γ2011 6 19
  • γ 2010KEK β (β γ γ 1mm γ2011 6 19
  • 2011 6 19
  • GM2011 6 19
  • GM • :α β β α β • γ γ β γ β γ2011 6 19
  • 2011619 β γ γ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cm Illustration 1 (end window N]]^] 34$]<F$AG<FHA 54>?@_$&$9(/&98 HUU_H<_DEFGH$QAG!>Y >HE<! `G3Y! D<3]$QAG!>Y$54>?@_$R?C R?SC$R?SSC$R?SSS8 4]!] Y]DF^YH<] Monitor 4 F]!]>!H 5+(/#9.778 D<F$^E`Q] HE!^E! ND!!]a FHH HB)(&.7$EQN 30 OPERATION ?;$N#2&*#$)6*(-$&$1&6*$(+)*6%#)C$(+).77$.$O$I&7)$.7M.7(#$0.))#*1;$G2$.$0.))#*1$(+$.7*#./1$(+).77#/C$)6*$)"#$( +)*6%#) &$./$+9():"$)"#$*.-#$+9():"$)&$)"#$0.))#*1$B&+()(&$(/(:.)#/$01$)"#$0.))#*1$(:&$&$)"#$&P&22$+9():";$$N. ))#*1 :&/()(&$9(77$0#$(/(:.)#/$&$)"#$%#)#*; K;$Q#)$)"#$*.-#$+9():"$($)"#$R?$B&+()(&;$G2$)"#$%#)#
  • • • β γ β γ γ β β http:// www.utsunomia.com/y.utsunomia/ geiger.html2011 6 19
  • 1/3 (SW83A REN200) (@_@) REN200 → γ ?2011 6 19
  • (CPM) (Sv)2011 6 19
  • cpm • γβ • CPM: • Gy( Sv x • =Sv • (γ )x 137 γ Sv • γ • β Sv • β •2011 6 19
  • γ ( (La Br) Cs137 K40 Cs1342011 6 19
  • 2011619 !" #!!" $!!!" $#!!" %!!!" %#!!" &!!!" &#!!" !!!" !" #!!" ←212Pb 0.283MeV ←214Pb 0.295MeV ←214Pb 0.352MeV $!!!" 208Tl 0.583MeV ←e+ 134Cs 0.605MeV $#!!" ← 214Bi 0.609M 137 eV ← Cs 0.6 62MeV ←134Cs 0.796 MeV %!!!" ←228Ac 0.911 MeV ←228Ac 0.969 MeV %#!!" ←214Bi 1.120 MeV &!!!" ←214Bi 1.281 MeV γ &#!!" K40 ← 40K1.46MeV !!!"
  • γ γ • Cs 134 CS 137 • γ Cs 137 γ Sv CPM Sv=( x (CPM) • γ RAE2011 6 19
  • (CsI DoseRAE 2 Dose RAE 2 + Polimaster 1703M2011 6 19
  • β Sv γ β • Sv γ β β • γ β γ • β2011 6 19
  • β Sv Sr 90 (β Inspector β 2.7μSv/h ALOKA TGS 121 PM1207 0.65μSv/h γ 0.09μSv/h Gamma Scout2011 6 19
  • β β Inspector Gamma Scout α2011 6 19
  • β γ •β •γ β γ2011 6 19
  • 2011 6 19
  • CPM BG(cpm cpm/μSv Inspector 334 γ 0.01MeV 10 β 0.05MeV Monitor4 100 5-25 γ 0.01MeV β 0.2MeV Gamma Scout 142 <10 γ 0.03MV β 0.2MeV γ 108 10-14 0.02MeV ( BG ) 0.12011 6 19
  • • BG http://park30.wakwak.com/ 2011/6/10 120CPM= 1μSv2011 6 19
  • 0.1μSv 15cm 0.6μSv/h 30cm 0.2μ 0.2 60cm 0.1μ 0.1 0.142011 6 19
  • • γ • ALOKA NaI 0 • Inspector ......0.05μ Sv • RADEX,MKS-05 ....0.04μSv • RADEX (SMB-20) 60CPM 10~20)2011 6 19
  • <:="/>,/<""2-7,?:"@00A&B:"9==="CD4>/E>-A"F&A"C(17+/"9GH:"I)(AJ",&/0()1$27&)"71"&)%J"(FF(,27L("2-A&+-"2-( 17.(8$%%"&F"2-("34"MA(F(A"7%%+12A$27&)"9N: MONITOR 4 Energy Sensitivity: O(2(,21"$%0-$".&8)"2&"<:;"4(PQ"2J07,$%".(2(,27&)"(FF7,7(),J"$2"G:R"4(P"71"A($2(A"2-$)"S=T:"" O(2(,21"5(2$"$2";="?(P"872-"2J07,$%"G;T".(2(,27&)"(FF7,7(),J:"" γ O(2(,21"5(2$"$2"9;="?(P"872-"2J07,$"H;T".(2(,27&)"(FF7,7(),J:"" O(2(,21"$//$"$)."B!A$J1".&8)"2&"9="?(P"2J07,$% 2-A&+-"2-("87).&8K"U="?(P"/7)7/+/""2-A&+-"2-( Graph 1 ,$1(:"M3E@D#"9N:"V&A/$%"5$,?A&+)."71";!<="CD4:" • γ MONITOR 4EC Energy Sensitivity: γ 6-("()(AJ"A(10&)1("2&"$//$"2-A&+-"2-(".(2(,2&A 17.(8$%%"71"F%$2"2&"872-7)"WR9T"&A"!<RT"&L(A"2-("A$)("&F U="?(P"2&"9=="?(PK"$)."872-7)"WG;T"&A"!9HT"&L(A"2-( • ALOKA NaI A$)("&F"9=="?(P"2&"!"9:G"4(P"MA(F(A(),(.""2&"C1!9GHN:" O(2(,21"$%0-$".&8)"2&"<:;"4(PQ"2J07,$%".(2(,27&) (FF7,7(),J"$2"G:R"4(P"71"A($2(A"2-$)"S=T:"" O(2(,21"5(2$"$2";="?(P"872-"2J07,$%"G;T".(2(,27&) (FF7,7(),J:"" • γ O(2(,21"5(2$"$2"9;="?(P"872-"2J07,$%"H;T".(2(,27&) (FF7,7(),J:" Sv γ O(2(,21"$//$"$)."B!A$J1".&8)"2&"9="?(P"2J07,$%"2-A&+-"2-("87).&8"M)&)!,&/0()1$2(.NK"U="?(P"2-A&+-"2-("17.(8$%%: V&A/$%"5$,?A&+)."71"$00A&B:";!<="CD4: Polimaster PM1703 Operating Range- Monitor 4 and Monitor 4EC: NaI =!;="/E>-A"$)."=!;=K==="CD4K"&A"=!;=="!XL>-A"$)."=!;="/E>-A 0.10 0.22 0.60 Range Switch for the Monitor 4, Monitor 4EC: CsI(Polimaster PM1703 ) A Y9K"Y9=K"Y9==:""E(F(A"2&",&//&)"10(,7F7,$27&)1"F&A"/&A(".(2$7%1 0.14 0.24 0.62 B 0.13 0.24 0.552011 6 19
  • • >0.2 • β • β • • • • [ ]2011 6 19