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N Tracklike planes0 10 20 30 40 50

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Data

b%/58 +5>'*G_!}&X);:C:&Xi H$A@#D

>*aYHiKHhh:Kh^M$?6i# ?!*hBrU:^F?*DrD

b`{ lteLen}_em0bY

^s>MG>CG_*H5KAXKii>M%K$$r$MvKi[M>K?$$ MKv!8i)K$?@UKiLGYHi>$ri/#MMMrKh_#># )*>U,HhQi#K_M>QrKhK?GrKi!8#hi&XKi K,DBvi?=>QHh>Q*N#HQ MZ!G#> )*>Q]CMK,$H(??$$* KrU^F?*?DT a D'vi#6#HQ @Ki?>,$?$?@5>#CHr$CHi?>K?Z)*~>Q $?@ NiK,r^i)@e6i9i/#QEKrriS5K$HiG1:>#M>NhG_*$TK?K$Ohrx&0Kh!#)ui?rM=#)@iA~t>#*$rDXdiv yG/HM*>C1M(et!$E>,H:!8iiiDevh$M#( i?MK$>Q#G K}&FMGKh=G_*Ht#xTKirpo a K$Hi[&FMG iYH#KsrqWh?e>Q$>#*$Qt!W@+)riN Ki#vKiL iC # ?Kv,+>QYK$Hi#DW=$?MaKiMHC$\K*$iQ?BK8#K$Hi?E>,*$QZ&F,>CK$HirYKh{?yHii`GaG_*GfK*$iQ?ve>,$?$Kh's7q2nH

-X/.| p021vWo3: =, 54 6Fao Z

(a)

LARGE

SEPARATION

OF HITS

t vuxw#{ySz/qjy|{~}Iz/'#nI )y##Oq>n"mMOY/lIv)#iO InynIlO}bnn}/#[X/')OJO))

bv/98 m73>J[@Ki>Q$!>W)*iiU K,$?#D^F*^KH(&F)G a@ D

rir$0 K,$@>*aYKi5q2(DloG ?YKK$rQ $?$v#HQ yrKhhKK#YVW*i?GQM_Ki`rqyD2gqG iIs7q(oo4N@KK$iD(Yr#hi#[[ ZGr_GHm@UiHi(Qi#M@#HQ #ii_$)s7qHiurqX$*i#=Gw@(!?*i? iHQhMK#=>*a WMKHhiZ2g|K$Hh5x$r)DvhShM?!*hK?&'s7q$*h&F MK>W_)KHih($)NHF2g:K$HiNJrr|^F?*YDT/gD6((hHGGtHyUC@HU((Kh^)$DCvi?b!>,

-X/.| p021vWo3: =, 54 6Fao #h

/ PEmaxQ0 50 100 150 200 250 300 350 400 450 500

Num

ber o

f Eve

nts

-210

-110

1

10

210

310

/ PEmaxQ0 50 100 150 200 250 300 350 400 450 500

Num

ber o

f Eve

nts

-210

-110

1

10

210


MCUpward MCCosmic

Data

b%/z8 q>s4q2ni?M!*hK?i# i_?`&i_u$ri@L Q&FMG Ki*Kmry!K>Ch&KhN$?@D

i#Kii#CH>Z&Kiuir?$?Ki > Kit#>iQuhr KG i\ Hi]iX$?>r@gb J ?q*SMiMGh?KiXH$>QT@U&iyK>#$ >HiDvhU? &1 iK)GriQ !W@KhI|>#GtK,ix&ihKi>$r@GH$?>r@D]YKi@HiIi>h>i#`&|Kh? >UiY>,Hu!_>#m#Kj)YKAKi?vhK#MGi!W@yix>#GtK,iB&XiK#K>#$Gl{H$>QT@hivh#!$?^K)G"| DEvr>, iKM!Q# > *KH:*Km^W[Kh_#$>K?hVW*i[=ogZ "| 2loX{;;~NKi_i$?*iL>#M)Kh YHU*KmUH$?>r@&=&Khb>*a_?^ #GtrGB)G?>qG_*(I1MD

d Khy&F$$rr= ] &M KiY ] h#&irMJHSiMK>U&F)GKh$riJb " Xn -Fi#_?>#,x&FMG#KOMiEHiY ];&) MUi= ] i#K?u&^hr KhMK>U&F)Giy$hYb ^m -Q ] >OK?D a DrJEOZ_iJG_* >W[$?$GHriQMKK,'*Kmr&F)G iQ?#6h#>#D2dXi#X =!8e$r>KQ2K#S&iE*Kmr`GtK$0# [G_*#K)|Ki{&F$?$r=>*a 0= ]B -MK>eKHHBE{of1Y ]; wD&qG-Q'^F?*^DrBfEY ] DoqGm-F^F*DrfEHiY ]; m= ]; oDg`G-^F*[DrwnED

-X/.| p021vWo3: =, 54 6Fao #\

up1/-2 -1.5 -1 -0.5 0 0.5 1 1.5 2

Num

ber o

f Eve

nts

0

50

100

150

200

250

300

350

up1/-2 -1.5 -1 -0.5 0 0.5 1 1.5 2

Num

ber o

f Eve

nts

0

50

100

150

200

250

300


MCUpward MCCosmic

Data

b%/58 5>q^XrQ | $*hC&F$?$#GYHri# a#HQ MKi'$&}[&8i($ri? !*aKH&Y ]; $*h&FX#HQ [#GYir[r?KiE*Km^rBKGK$C(

-X/.| p021vWo3: =, 54 6Fao #

/ mDownRMS0 1 2 3 4 5 6 7 8 9 10

Num

ber o

f Eve

nts

0

20

40

60

80

100

/ mDownRMS0 1 2 3 4 5 6 7 8 9 10

Num

ber o

f Eve

nts

0

20

40

60

80

100


MCUpward MCCosmic

Data

b%/f8*85>M?!*hK?

-X/.| p021vWo3: =, 54 6Fao #+

b`{ v gzeE[n7fvE0bY

viXGHir# iYCQG_*D(viiOXX&b>#*h @h?iKh#HQ 6r1MeuM*K hti#Khi#*h yr1>=>#>*rri?Kh_*>$v$?*GL&Kiy^ZK#> HiSHKi#i#KiKK?X>>#*$#i##*h* iiKi#EKhH#K$r#=riiX*>$$*GQKDqG >)M%-F>GKQM]DloJG &F?UK${K$Hi~EJ>Q QuKh>H$$r2TKh>Q?M>$r a o>#G |Hi?*GrQz&F)G Kit>Q1MYM(H ]1M_i#rQi#M@e*$r!$# Ki>#$v$D $]i%a?^9#HA,CQh(&KhJ)*KMG*$#b*QM6C#HQ YiQ1yM*yKi Qi' #Duvix*>QKHS? Ui?ri@Kiy>#CHriQ9#KO # M^*$$?@m)ECHriQ/]YKm^H1KHhQUriUKi*>$v$?*G~E_Hh&F#Ku$r,w#KiX*>Q#CHrG`&|i?iu&i? >Q>C]#HQ?#C!$iQriXKW@XGYi@KA!HKiy>#iKi?rn!!QS!,/H_$rTKirKhZ*>$}$?*GDUdHhiriFzi u!x>$M?^x^]2Ki>#GtK,iX&Kh MK>&F)G KhB$r_Qhh&Ki > KhNJ&FiNhK#>M_?BVW*i? !,vK(oDr/g`G:D

-X/.| 021vW3: =, 54 6F #7

b`{| b7 Ce b|CsYEn`'vv\E

M*GG)@Z&Xi*Km^?b?HQU5X!$!DTD

XSQTQIW7P(TvVUIWq\Xv\wP UWXS

viB#$#>K?y&8# e[KiB>H1KHhQiHi#i&8MK>L!KH>Ct>QHy!8BM*GtG?b&F$?$rB

((i#r|iIECHrGE*h vK,$>#h Ki'>H1KHG1}&8Ki'$r#iZ&8Ki >6M&F*$?$?@:>KHi3-^xE[#HQ NHi9K#K$$A@>CiS/mr>,HhiAK6#HQ #DviK?Gr&K$?$?@>KHi/mr>,Hih# ?yKi>Ci#>HQ |Gr# 5iKhK?Gr&FMGK?a#HYQhTKKi?Ym@KHi#Dvi?CGr#q!>W)*iiy&FMG*Kmri*hMrQyG_*H1M}TKyK,K?GrDvviq#GYir?QM_#$)?iQ{Ki$?$?@X>#CHriQyrmr-_^7ED

b|b) n`%U`d|EE[)7 v{FbY

rSiyKO#$#>K?iKhK$Hi#Qriiy&0Ki >]y>Ci>Qz&F >K?T@DydHihrK?6 iirKi( G$sK$Hiir}QTKi#[hY&8KivMK>1Ki( G$MKix K$HiX!,H!#&FHiS]X*SM:>Q$>#*$AK?i498@}h);:= Hi798@}hM;:=4"BA^CB8;&-F?G?$)$?@9&F6KiQi&[i KEO{iKh!$rvi#iiQv:^F?*DD >Ci>bGHiqHi>KHGQB&Khi?i#vQh5&3Ki[MK>I-i)>?!8Ka?*)$?@Ee*?iiHre!5HQt&vKiiHi#@Qh&v,Cu KS?@$?MKK$rQ\r|^F*D2oD:2>WtVW*i? irHyMK>trI>GK,iQLQK#NKiHoDgoqGD

>#i|1rijy!$@?N'&FMG Z$riQ'h iL$rNMK>_*Q]Mx>,$?>*$K KiLKKuh >Q

-X/.|021vW3: =, 546F #

> *

! "# $ % & ' % ( % % % ) ' % ( % % * ( * ) ' + % , % % ' - % * $ /. . , % $ % % - 0 * * 1 2 3 465 4 2 7 8 5 4 4 9 4 5 7 : ; $ * , , * ( , ' < '

-X/.| 021vW3: =, 54 6F #

Trace of highest end of track / m0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2

Num

ber o

f Eve

nts

-110

1

10

210

310

410

Trace of highest end of track / m0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2

Num

ber o

f Eve

nts

-110

1

10

210

310


MCUpward MCCosmic

Data

b%/h8 >=>4_>GKHiQb&x((|i2>Q#CHriQi?i#(Qi:!K>Ch&KhN$?@D

HiUQhh&KiMK>yT #$?&DCvi$*hq&Fi498@}h);: qH)@G$MiMG$ >Q#e&F}G#HQ #D}vh=$*iB&/KiY>*h0>,M>CiN#HQ {i#[i Kr@#CHrGii?r>#CHrGL>#*h #D:vhp>#GKhQL

-X/.| 021vW3: =, 54 6F ##

DigitTrace of highest end of track / m0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2

Num

ber o

f Eve

nts

-110

1

10

210

DigitTrace of highest end of track / m0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2

Num

ber o

f Eve

nts

-110

1

10

210 MCAtmospheric


Data

b%/h8 >4_>GKHiQ{`*r@i?rM#HQ ^M?Ki=$#&}e&KiQ:$hqH Q:&FMG Ki>#CHriQUiHi#Qi:!K>Ch&KhN$?@D

i?MK$>Q#G1MB&S# ?KB&FMG i K)HML>#x#KO0-;QhE(it>Q$>#*$Q*rh# K Ki#H0o a K$Hi&FMGKi#KO-;QhED%S1M6#VW*iQ K?)&@J?KADC| oD2g`G !,*hi]i?i#Qi&i >5rr^F?*&D2f2HiL?IXA CMHI oDgoqG !,*hyiihUiWp-2o(K$Hi#$rMENtVW*i?QS (K)&@jq2u'oDqG-^X*QD2 a E5Hi's7q_PNoo4QbH#*hq$r) iM9&FKi?qKGK$NKHriy*Km^K?i(r'>H1KHYGHm@:#K#'&F*$?$?@5>#CHriQi*a rY1M\&FBh>CG#M$?*hK?5Gr@HB!NWM*hiy}>C>?5!W@t$KH2K,,$aH$XHiLMG$$H$3 _KieK$HhDdHiiTKH@Kib}GJ+)r@_#MG>bGL*0B&F*ii MKZ$#M|KiH2gBK$HhDvd_># K0i*a r'H$1v>C>?_!m@)GY#RQTSqoJ

-X/.| 021vW3: =, 54 6F #8

/ mmeanT-1 -0.5 0 0.5 1 1.5

Num

ber o

f Eve

nts

0

200

400

600

800

1000

1200

1400

/ mmeanT-1 -0.5 0 0.5 1 1.5

Num

ber o

f Eve

nts

0

200

400

600

800

1000

1200


MCUpward MCCosmic

Data

b%/8 k5>uU,HS K)HMYi?MK$>Q#G&E# Kq&FMGKii?i# Qi&Ki K-@?IBADCEH# _KieH1&ii{_$ri}Ma_&FMG i{>H1KHhQiHi#_i:!KH>C(&KhN$?@D

/ mwidthT0 0.2 0.4 0.6 0.8 1 1.2 1.4

Num

ber o

f Eve

nts

0

100

200

300

400

500

600

700

800

900

/ mwidthT0 0.2 0.4 0.6 0.8 1 1.2 1.4

Num

ber o

f Eve

nts

0

100

200

300

400

500

600

700

800


MCUpward MCCosmic

Data

b%/8* +5>TEY ] MKHn#Mi?MK$>Q#GS ?K2&F)GcKi^hi#FQiX&i >1-G?IXA CMHI E#HQ ( 6KhJB&XKiQ:$hqH Q:&FMG Ki>H1KHhQiHi#_i:!KH>C(&KhN$?@D

-X/.| 021vW3: =, 54 6F #VU

/ mmaxR0 0.5 1 1.5 2 2.5

Num

ber o

f Eve

nts

0

100

200

300

400

500

/ mmaxR0 0.5 1 1.5 2 2.5

Num

ber o

f Eve

nts

0

100

200

300

400

500 MCAtmospheric


Data

b%/8 s73>6? !*aKHh&eq2n!,*h[Ki6i?i#i9&Ki@MK>3#HQ 6KhJB&3iQ:$riqMa:&F)G i>KHihi#i(!KH>C:&Ki Hi$?@?D

/ mmaxQ0 50 100 150 200 250 300 350 400 450 500

Num

ber o

f Eve

nts

0

100

200

300

400

500

600

700

800

/ mmaxQ0 50 100 150 200 250 300 350 400 450 500

Num

ber o

f Eve

nts

0

100

200

300

400

500

600

700

800


MCUpward MCCosmic

Data

b%/z8 >6?M!*hK?h&_s7q2nY!,*h[i6i?i#Qh#HQ 6KhJB&3iQ:$riqMa:&F)G i>KHihi#i(!KH>C:&Ki Hi$?@?D

-X/.| 021vW3: =, 54 6F 8>=

ycos-0.2 0 0.2 0.4 0.6 0.8 1

/ PE

max

Q

0

50

100

150

200

250

300

350

-210

-110

1

Cosmic Muon MC

ycos-0.2 0 0.2 0.4 0.6 0.8 1

/ PE

max

Q

0

50

100

150

200

250

300

350

-210

-110

1

Atmospheric neutrino MC

ycos-0.2 0 0.2 0.4 0.6 0.8 1

/ PE

max

Q

0

50

100

150

200

250

300

350

-210

-110

1

Upward Muon MC

ycos-0.2 0 0.2 0.4 0.6 0.8 1

/ PE

max

Q

0

50

100

150

200

250

300

350

-210

-110

1

Data

b%/98 k5>?M!*hK?5&H#K(K*$ is4q26_y&F*h>&>WQTS#HQ Ki9>#M)Q*h(#HuH Q&FMG Ki9>#CHriQ iHi#Qi!K>C(XQZYog6VW*i?UMK?)&@Hhir*aY '&KhJ>*a (r:^F?*7D2@Hi(^F*7D2f_#MK>K?H$A@D

b|b| 7bqn)em|EE[)`%hhCn[n)ezeE[n`%'v`Csne

vi^hCKe&Ki?2!KH>CXKH@3 h?iKh{#GYHri(1M =^*$$?@mECi-^\E@QM-hKhUK#Y?>#CHriQTKiri5*>$$*GBEHiX$?$?@mEH1KHhQD-_E(QMU-KLhNKi$r#iU&|iNMK>$Qw@iZ*>Q$}$*G~EDUvi6_#HQ yG_*@iQ!x>Ci#>HQ M*Ki@KhK?Gry&FMGK??J *H :M*KK Kim@K,HiKNr?Ki )*iMK>#9i?>C$r#=riiX*>$v$?*GHiKhi9&0Ki@MK>:i>C$QrHKh

-X/.| 021vW3: =, 54 6F 8

zcos-1 -0.8 -0.6 -0.4 -0.2 -0 0.2 0.4 0.6 0.8 1

/ PE

max

Q

0

50

100

150

200

250

300

350

-210

-110

1

Cosmic Muon MC

zcos-1 -0.8 -0.6 -0.4 -0.2 -0 0.2 0.4 0.6 0.8 1

/ PE

max

Q0

50

100

150

200

250

300

350

-210

-110

1

Atmospheric Neutrino MC

zcos-1 -0.8 -0.6 -0.4 -0.2 -0 0.2 0.4 0.6 0.8 1

/ PE

max

Q

0

50

100

150

200

250

300

350

-210

-110

1

Upward Muon MC

zcos-1 -0.8 -0.6 -0.4 -0.2 -0 0.2 0.4 0.6 0.8 1

/ PE

max

Q

0

50

100

150

200

250

300

350

-210

-110

1

Data

b%/98 k#8> ? !*aKHx&H#KhK*$?is4q2n@_y&F*i>K?:&S>#RQZYr#HQ Ki9>#M)Q*h(#HuH Q&FMG Ki9>#CHriQ iHi#Qi!K>C(

-X/.| 021vW3: =, 54 6F 8

DistToEdge of Lowest End of Track / m 0 0.5 1 1.5 2

Num

ber o

f Eve

nts

-310

-210

-110

1

10

DistToEdge of Lowest End of Track / m 0 0.5 1 1.5 2

Num

ber o

f Eve

nts

-310

-210

-110

1

10


MCUpward MCCosmic

Data

b%/8 ,85>I#CH>X2%|G\&F`$?r#Qhj&MK>#HQ yiX$&}`&KiqQ5$ri[qGrQyM@Ki`Ki$?$?@y>H1KHhQyrm^C(&iH$A@#D

*>Q$M?`rWqF#CHrG]rQ>Cu#HQ6? #K!$?ir KhK]Hi]iT)!MG$!$_i)>!Q !rHX$riKhJ*>Q$$?*GY&y>*a`UKi i#CH>QJ&Kh$r#QhU&iNMK>5&FMG i?&Kh?iK> #D $K?(#MG>BG_*YiZ*KmtG_*#HQ #D}dYHiiTK?irti J!>$M?x^x=1Ki>#GKhQ{&/Ki >Q'&FMGi}$rQit&5i_MK>6 Ki(Q&0KiiK> ?JVW*i?Q :!,AKHjoDrrgqGDvi KQy>*hJKh$?r# iHw_ML! *h0i=>#*h^h_[?GtK$?@5GQH&i?riKiyKW)*ii\D^F?*4D2_rB_ii# ?!*hx

-X/.| 021vW3: =, 54 6F 8+

Trace of lowest end of track / m0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2

Num

ber o

f Eve

nts

1

10

Trace of lowest end of track / m0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2

Num

ber o

f Eve

nts

1

10


MCUpward MCCosmic

Data

b%/z8 XU>5vh>#GtK,iq&Ki@MK>L&F`$?r#i9& K,1M Ki:$&}&Kh(Q$ri(Gr Ki(K#KH1KHhQ/mr!K>C(

-X/.| 021vW3: =, 54 6F 87

up1/

-5 -4 -3 -2 -1 0 1 2 3 4 5

Num

ber o

f Eve

nts

0

10

20

30

40

50

up1/

-5 -4 -3 -2 -1 0 1 2 3 4 5

Num

ber o

f Eve

nts

0

10

20

30

40

50


MCUpward MCCosmic

Data

b%/8*v>=>y^hv_@_belr "| O|}mVelcPxzpd{|Ov{GeGu|Ohv^Vhm^VnFedeg^!_Gcgedeg^!_Gchm^_baVe>g{GpOcGcGelrpdy_f{@egndhvpd^|O{@exdel_Gpqelrxz{GpG_baVe5K>|}{@_bhm|OmA@9>gpd^!_b|Ohm^VelrrVpri^m|O{@rnOpdhm^VnkV{G|O^>/apOx_baVe|O^V|O?@scGhvcD

b|b` qnvdFbY

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X|g W: =, sF q

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b%/ m>4Zhmc_b{@hmVy_Ghmpd^fp}x_baVecGu|Omvegc_ RmG Rb }|OvVegclqhv^wc@aVhmelmrcGeg_bhvpd^Vc|ORp/OeZ_baVeayhmndaVelc@_el^Vr`pOx_baVeZ_G{b|O/xzpd{|Kc_bpdVyhm^VnfKypd^rVpdhm^>|}_GegrcG|OVme}SaVee#Oeg^!_bchm^_baVe{@egndhvpd^We_eleg^t_GaVe_p{Gelr]vhm^Velc{pOVmr`We`Oel_Gpqelr

X|g W: =, sF q

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b%/ m5>4Zhmc_b{@hmVy_Ghmpd^fp}x_baVecGu|Omvegc_ RmG Rb }|OvVegclqhv^wc@aVhmelmrcGeg_bhvpd^Vc|ORp/Oe_baVeiaVhvndaVegc_eg^VrpOxR_baVe_b{G|O/Bxzpd{edel^M_Gchv^K_baVe'^x|O^yr_^7cb|OVvegcg2aVee#Oeg^!_bchm^_baVe{@egndhvpd^We_eleg^t_GaVe_p{Gelr]vhm^Velci|O{GeqOel_bpsegrD

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X|g W: =, sF qU

Vertex Z / m0 5 10 15 20 25 30

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35 Total MC (unoscillated))2 = 0.00274 eV2mTotal MC (

Data

b%/ *v%3>HZhmc_b{GhvVy_Ghmpd^p}xZhm^!_Geg{b|}l_bhvpd^Rpdhm^!_bc|Ovpd^Vno_GaVe / |qhmcKxzpO{c@egvegl_Gegrr>|}_b|ue#Oeg^!_bcl=aVeWpOhm^!_bcPhm^Vryhm|_ber>|}_b|ue#Oeg^!_bcpOVcGel{)delrhm^]e|O/a&2{GelndhmpO^baVecGpdvhmrvhm^VeTaVhmc_bpdnd{G|O cGaVpric_baVey^VpdcGlhmv|}_GegrrVhvc@_G{Ghmyy_bhvpd^pOxcGelmeg_belrh`pd^!_be'|O{Gvpe#Oeg^!_bclayerV|OcGaVelrvhm^VecGaVpric_baVefryhmc@_G{GhvVy_bhvpd^opOxcGelmell_belrz`pd^!_be|O{Gvpe#Oeg^!_bcpdcGlhmv|}_GegrfVc@hm^Vnfu ydn2@}e Y |O^VrcGhm^ 2} O-z_GaVeiWelc@_}V_>|O{b|}ue_beg{@cxz{Gpd _baVe])`pdVc@eg{nO|_bhmpO^VcpOx6_baVe!s]Re|O} E

Days since 1st August 20030 200 400 600 800 1000

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05

101520253035404550

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X|g W: =, sF qU

/ GeVE0 2 4 6 8 10 12 14 16

Eff

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0

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0.2

0.3

0.4

0.5

0.6

0.7

0.8

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