$B=iEyNL;RNO3X!?NL;RNO3X(B2006$BG/EY9V5AO?(B


$B"+(B$BBh(B3$B2s$X(B$B!!(B$BL\$B!!(B$BBh#52s$X(B$B"*(B


3.2  $B8w;R$N1?F0NL(B

$B8w$,N3;R$G$"$k$H9M$($k$H!"%W%i%s%/$,9M$($?$h$&$J6uF6$NCf$G$O!"8w;R$,$H$S$^$o$C$F$$$k$H2r  
$B5$BN$K05NO$,$"$k$N$OJ,;R$,1?F0NL$r;}$D$+$i$G$"$k!#$7$?$,$C$F8w;R$K$b1?F0NL$,$"$k$3$H$K$J$k!#1?F0NL$O(B($Bl$H<'(B $B>l$NGH$G$"$k!#EE>l$d<'>l$,%/!<%m%sNO$d%m!<%l%s%DNO$H$$$&NO$r@8$_=P$9$3$H$r9M$($l$P!"8w$,NO$r=P$9$3$H$bEvA3$G$"$k!##2J*BN$,NO$r5Z$\$79g$&;~!"I,$:(B $B0lJ}$N1?F0NL$OA}2C$7!"$b$&0lJ}$N1?F0NL$O8:>/$9$k!J$@$+$i$3$=1?F0NL$OJ]B8$9$k!K!#NO$r5Z$\$9$N$,J*BN$G$J$/EE<'>l!J8w!K$@$C$?$H$7$F$bF1MM$N4X78$,@.(B $BN)$7$FM_$7$$!#$=$N$?$a$K$O!VEE<'>l$N1?F0NL!W$r9M$($kI,MW$,$"$k!#(B
 
$B8w$N1?F0NL$rCN$k$?$a$K!"$^$:8w$9$J$o$AEE<'GH$N;}$C$F$$$kNO$r9M$($h$&!#0lHL$K!"??6uCf$KEE>l(BE$B$,$"$k;~!"C10LBN@Q$"$?$j$K%(%M%k%.!<(B1/2$B&E(B0 E2$B$,J,I[$7!"EE>l$NJ}8~$K$OC10LLL@Q$"$?$j(B1/2$B&E(B0 E2$B$N(B $B0z$CD%$jNO$,!"EE>l$H?bD>$JJ}8~$K$OC10LLL@Q$"$?$j(B1/2$B&E(B0 E2$B$N(B $B05NO$,H/@8$9$k(B28$B!#$3$l$O<'>l$K$D(B $B$$$F$bF1MM$G$"$k!#$?$@$7<'NO$KBP$7$F$O<0$,(B1/2$B&L(B0 H2$B$K(B $BJQ$o$k!#(B



[$BLd$$(B3-1] $B6KHD4V$,??6u$G$"$kJ?9TJ?HD%3%s%G%s%5!1/2[d/($B&E(B0 S)]Q2$B$G(B $B$"$j!"6KHD4V$KF/$/NO$O(B1/2[1/($B&E(B0 S)]Q2$B$G$"(B $B$k!#$3$NFs$D$N<0$,!">e$G=R$Y$?EE>l$N%(%M%k%.!<$H0zNO$G@bL@$G$-$k$3$H$r<($;!#(B



$B$3$l$r%^%C%/%9%&%'%k$N1~NO$H8F$V!#$3$N8@MU$K$O$J$8$_$,Gv$$?M$,B?$$$+$b$7$l$J$$$,!"
$B!!$?$H$($P@5EE2Y$HIiEE2Y$N4V$K0zNO$,F/$/$N$O!"EE5$NO@~$N0z$CD%$jNO$N$*$+$2$G$"$k!#5U$K@5EE2YF1;N$N4V$K@MNO$,F/$/$N$O!"$H$J$j$"$&EE5$NO@~$NH?H/$K(B $B$h$k!#<'>lCf$NEEN.$,NO$rl$K$h$C$FF3@~$N:81&$G<'NO@~$NL)EY$K:9$,@8$^$l$k$+$i$G$"$k!J0lHV1&$N?^$N>l9g!"F3@~$N:8B&$N<'B+L)(B $BEY$,Bg$-$/$J$k$?$a$K1&$K2!$5$l$k!K(B29$B!#(B

$B$$$^!"$"$kJ}8~$KEE>l(B($BEE5$NO@~(B)$B$,Av$C$F$$$k$H$3$m$r;W$$Ib$+$Y$h$&!#$3$NEE5$NO@~$,#6$D$NJ}8~(B($B!^(Bx,$B!^(By,$B!^(Bz)$B$N(B $B5Z$\$9NO$N$&$A!"(B2$BJ}8~$O0zNO!"(B4$BJ}8~$O@MNO$G$"$k!#:#EE<'GH$,JI$N$J$+$G$"$C$A$X$3$C$A$X$HHt$S2s$C$F$$$k$H9M$($k$H!"EE5$NO@~$b$$$m$s$JJ}8~$K?-$S$k(B $B$@$m$&!#$3$N;~$K$"$k0l$D$NJ}8~$KF/$/NO$r9M$($k$H!"(B1/3$B$N3NN($G0zNO!"(B2/3$B$N(B $B3NN($G@MNO$H$J$k!#7k6IA4BN$NJ?6Q$r$H$l$P(B1/3$B$N@MNO$,;D$k$H9M$($i$l$k!#$D$^$j!"05NO$O%(%M%k%.!1/3$B$G$"$k!#(B
$B$3$N05NO$O(B1892$BG/$K%l%Y%G%U$K$h$C$F$O$8$a$F1/3$B$G(B $B$"$k$H$$$&$3$H$O [10]l6cm Figure
$B0J2<$G$O!"H"$K(BN$B8D$NN3;RF~$l$i$l$F!"$=$l$>$l(BEi$B$N%(%M%k%.!<$H(B$B"*(Bpi$B$N(B $B1?F0NL$r;}$C$FHt$S2s$C$F$$$k$H9M$($?;~!"H"$K$O$I$NDxEY$NNO$,F/$/$+$r7W;;$7$h$&(B(i=1,2,$B!D(B,N$B$N$h$&$K!"N3;R$KHV9f$,$U$C$F$"$k$b$N$H$9$k(B)$B!#(B
$B"*(Bpi$B$N1?F0NL$r;}$C$?N3;R$,(Bx$BJ}8~$K?bD>$JJI$K$V$D$+$C$F$O$M$+$($k$H$9$k!#$=$N;~!"(B$B"*(Bpi$B$N(Bx$B@.J,(B(pix)$B$N#2G\$NNO@Q$rJI$KM?$($k!#(B $B$3$NN3;R$O(Bx$BJ}8~$K(B2L$BAv$k$4$H$K$3$NJI$K>WFM$9$k!#:#9M$($F$$$k$N$O8w$J$N$GB.$5$O(Bc$B$G$"$k$,!"(Bx$BJ}8~$NB.EY@.J,$O(Bc$B!_(B[(pix)/(|$B"*(Bpi|)]$B$H$J$k!#$J$<$J$i!"B.EY%Y%/%H%k(B(vx,vy,vz) $B$H1?F0NL%Y%/%H%k(B(px,py,pz)$B$OJ?9T$G$"$k$H9M$($i$l$k$+$i$G$"$k!#$h$C(B $B$F!"(Bvx:c = px :|$B"*(Bp|$B$,@.N)(B $B$9$k$@$m$&!#(B
 $B$f$($K!"8w;R$OC10L;~4V$N4V$K(B
c$B!_(B pix
| $B"*(B
p
 

i 
|
$B!`(B2L = c$B!_(B pix
2L| $B"*(B
p
 

i 
|

(3.2)
$B2s$@$1JI$K>WFM$9$k$3$H$K$J$j!"C10L;~4V$K$"$?$($kNO@Q(B($B$D$^$jNO(B)$B$O!"$3$l$K#12s$NNO@Q(B2pix$B$r$+$1$F(Bc$B!_(B[((pix)2)/(L|$B"*(Bpi|)]$B$H$J$k!#(B

 $B!!;~4V$N4X78$G!"$3$3(B $B$+$i@h$N7W;;$r;W$$$C$-$j4JN,$7$?@bL@$G$d$C$A$c$$$^$7$?!#855$$N$"$k?M$O0J2<$r$A$c$s$H%U%)%m!<$7$F$*$/$h$&$K!#(B

$B!!(BN$B8D$N8w;R$N=P$9$3$NNO$NOB$r7W;;$7$?$$!#$3$3$G$^$:!"1?F0NL$NBg$-$5(B|$B"*(Bpi| $B$,Ey$7$$8w;R$N=8CD$r9M$(!"$=$N=8CD$K4X$9$kOB$r


$B-t(B
|$B"*(Bpi|=P 
c$B!_(B (pix)2
L| $B"*(B
p
 

i 
|
= 1
PL


$B-t(B
|$B"*(Bpi|=P 
c$B!_(B(pix)2
(3.3)
$B$H$J$k!#$?$@$7!"-t(B|$B"*(Bpi|=P$B$O!V1?F0(B $BNL$NBg$-$5$,(BP$B$G$"$k$h$&$J8w;R$rA*$s$GOB$r1/P$B$,(B $BOB5-9f$N30$K=P$;$k!#(B
| $B"*(B
p
 
|2 = (px)2+(py)2+(pz)2
(3.4)
$B$G$"$k$,!"EyJ}@-(B30$B$+$i!"=


$B-t(B
|$B"*(Bpi|=P 
(px,i)2 =
$B-t(B
|$B"*(Bpi|=P 
(py,i)2=
$B-t(B
|$B"*(Bpi|=P 
(pz,i)2
(3.5)
$B$H9M$($F$h$$$@$m$&$+$i!"(B


$B-t(B
|$B"*(Bpi|=P 
(pix)2= 1
3


$B-t(B
|$B"*(Bpi|=P 
| $B"*(B
p
 

i 
|2 = 1
3


$B-t(B
|$B"*(Bpi|=P 
P2
(3.6)
$B$H$J$k!#$h$C$F$3$NHO0O$GNO$NOB$O(B[c/3L]$B-t(B|$B"*(Bpi|=PP $B$H$J$k!#1?F0NL$NBg$-$5(BP$B$O$$$m$s$JCM$r$H$l$k$,!"$I$NCM$G$b$3$N<0$,@.N)$9$k$N$G!"(BN$B8DA4BN$,JI$K5Z$\$9NO$O(B

c
3L


$B-t(B
i 
| $B"*(B
p
 

i 
|
(3.7)
$B$H$J$k!#05NO$O$3$l$r(BL2$B$G3d$C$?$b$N$G$"$j!"$=$N05NO$,%(%M%k%.!1/3$B$9(B $B$J$o$A!"(B[1/(3L3)]$B-t(Bi Ei$B$KEy$7$$$N$@$+$i!"(B

c
3L3


$B-t(B
i 
| $B"*(B
p
 

i 
| = 1
3L3


$B-t(B
i 
Ei
(3.8)
$B$G$"$k!#$3$l$+$i!"(Bc|$B"*(Bpi| = Ei$B$H(B $B9M$($i$l$k!#$D$^$j!"1?F0NL$NBg$-$5!_(Bc$B$,%(%M%k%.!<$G$"$k!#(B
$B0J>e$+$i!"8w;R0l8D$N;}$D1?F0NL$O(B[h$B&M(B/c]=[h/$B&K(B]$B$H9M$($F$$$$$@$m$&!#$3$N$3$H$,

3.3  $B%3%s%W%H%s8z2L(B

$B!!8w$NN3;R@-!"FC$K$=$N1?F0NL$,(B[h/$B&K(B]$B$G$"$k$3$H$r$b$C$HD>@\E*$K<($9H/$7D9$/$J$C$F$$$k!#$3$N8=>]<+BN$O%3%s%W%H%s$N(B1923$BG/$N
$B&K!l!](B $B&K(B = 0.024$B!_(B10$B!](B10(1 $B!](Bcos$B&H(B) [m]
(3.9)
$B$H$$$&4X78$,$"$k$3$H$r]$r%3%s%W%H%s8z2L$H$$$&(B)$B!#$3$N4X78<0$,=P$F$/$k$N$O8w$,8w;R$G$"$j!"%(%M%k%.!<(Bh$B&M!"1?F0NL(B[h/$B&K(B] $B$G$"$k$*$+$2$G$"$k$3$H$r0J2<$G<($=$&!#(B
$B@E;_$7$F$$$?EE;R(B($B.$5$$$H$9$k(B)$B$GHt$S=P$9$H$9$k!#(B
$B!!(B $B1?F0NLJ]B8B'$r%Y%/%H%k?^$GI=$o$9$H1&$N?^$N$h$&$K$J$k!#(B[h/$B&K(B]$B$H$$$&1?F0NL$r;}$C$?8w$,EE;R$K1?F0NL(Bmv$B$rM?$($F<+?H$N1?F0NL$,(B[h/$B&K!l(B]$B$KJQ2=(B $B$7$F$$$k!#$3$N%Y%/%H%k?^$GI=$5$l$k4X78$,>o$K@.N)$9$k$H$$$&$3$H$O!"8w$,(B[h/$B&K(B]$B$H$$$&1?F0NL$r$b$C$?0l$D$N2t$H$7$FEE;R$K$V$D$+$C$F$$$k$H9M$($J$/(B $B$F$O@bL@$,$D$+$J$$!#(B
$B%(%M%k%.!<(Bh$B&M$r;}$C$?8w$,EE;R$K1?F0%(%M%k%.!<(B1/2mv2$B$r$"$?$(!"<+?H$N%(%M(B $B%k%.!<$,(Bh$B&M!l$K8:$C$?$H9M$($l$P!"%(%M%k%.!
h$B&M(B = h$B&M!l(B+ 1
2
mv2
(3.10)
$B$G$"$k!#0lJ}!"1?F0NLJ]B8B'$r$7$a$9;03Q7A$N?^$KBP$7$FM>89DjM}$r;H$&$H!"(B
(mv)2 = ( h
$B&K(B
) 2

 
+ ( h
$B&K!l(B
) $B!](B2 h
$B&K(B
· h
$B&K!l(B
cos$B&H(B
(3.11)
$B$H$$$&<0$,=P$k!#$3$NFs$D$N<0$+$i(Bv$B$r>C5n$9$k(B31$B!#(B

$B!!$3$3$N7O:9(Bb
(3.10)$B$+$i(Bv2 = (h$B&M!](Bh$B&M!l(B)$B!_(B2/m$B$H(B $B$7$F(B(3.11)$B$KBeF~$7!"(B

2m(h$B&M!](Bh$B&M!l(B) =

( h
$B&K(B
) 2

 
+ ( h
$B&K!l(B
) 2

 
$B!](B2 h
$B&K(B
· h
$B&K!l(B
cos$B&H(B



$B$B!J?6F0?t$O(B($B8wB.EY(B)$B!`(B($BGHD9(B)$B$r;H$C$F!K(B
2mhc ( 1
$B&K(B
$B!](B 1
$B&K!l(B
) =

( h
$B&K(B
) 2

 
+ ( h
$B&K!l(B
) 2

 
$B!](B2 h
$B&K(B
· h
$B&K!l(B
cos$B&H(B


$Bh2$B$G(B $B3d$C$F&K&K!l$r$+$1$F(B

2mc
h
($B&K!l!]&K(B) =

$B&K!l(B
$B&K(B
+ $B&K(B
$B&K!l(B
$B!](B2cos$B&H(B

(3.12)
$B$H$J$k!##29TL\$G$O&M(B = [c/$B&K(B],$B&M!l(B=[c/$B&K!l(B]$B$r;H$C$?!#$3$3$G!".$5$$$N$G!"&K!l(B=$B&K(B+∆$B&K$H$9$k$H!"(B [$B&K!l(B/$B&K(B] = 1+[∆$B&K!l(B/$B&K(B]$B$G$"$j!"$+$D!"(B∆$B&K$N#12 $B!](B $B!D$HE83+$G$-$k!#$f$($K(B([∆$B&K(B/$B&K(B])2$B0J>e$N%*!<%@!<$r(B $BL5;k$9$l$P(B[$B&K!l(B/$B&K(B]+[$B&K(B/$B&K!l(B]=2$B$H$J$k!#$3$N<0$N1&JU$O(B2$B!](B2cos$B&H$H6a;w$G$-$k$3$H$K$J$k!#$^$H$a$k$H!"(B


2mc
h
( $B&K!l!]&K(B)
≅ 2$B!](B2cos$B&H(B
$B&K!l!]&K(B
h
mc
(1$B!](Bcos$B&H(B)

(3.13)
$B$H$$$&<0$,=P$k!#$3$N<0$O%3%s%W%H%s$K$h$k2.9)$B$H?tCME*$K$b0lCW$9$k(B32$B!#(B
$B!!%3%s%W%H%s8z2L$O8w;R$HEE;R$N>WFM$H$$$&J*M}8=>]$H$7$FL7=b$J$/5-=R$5$l$k!#8EE5E*$K9M$($l$P(B($B1?F0NL$,(B[h/$B&K(B]$B$H$$$&2t$G$"$k$3$H$,8EE5E*$K$O=P$F(B $B$3$J$$$N$G(B)$B$3$N7k2L$O@bL@$G$-$J$$(B33$B!#(B $B0J>e$N$h$&$J$$$m$s$J$3$H$+$i!"8w$NN3;R@-$O5?$$$N$J$$$b$N$K$J$C$?$H8@$($k!#(B

$B!!(B$B$3$N<0$N$I$3$KN3;R@-$,=P$F$$$k$N$+!"$$$^$$$A$o$+$i$J$$$s$G$9$,!#(B
$B!!$b$7!"8EE5E*$JEE<'GH$,$d$C$F$-$F!"EE<'GH$N%(%M%k%.!<$r$b$i$&$s$@$H$9(B $B$k$H!"O"B3E*$K$d$C$F$/$kEE<'GH$N;}$C$F$/$k%(%M%k%.!<$N$&$A!"$I$l$0$i$$$r$b$i$&$+$O!V;~$H>l9g$K$h$k!W$H$$$&$3$H$K$J$C$F$7$^$$$^$9!#$?$/$5$sEE<'GH(B $B$r$+$V$C$F$+$iF0$/>l9g$b$"$k$@$m$&$7!">/$7$+$V$C$?$@$1$GHt$S=P$9>l9g$b$"$k$+$b$7$l$J$$!#(B
$B!!$7$+$7
$B!!EE<'GH$N0lIt$r@Z$j

$B!!EE;R$,$$$D$b#h&M$@$1%(%M%k%.!<$r$b$i$C$F$+$iF0$-=P$9$H$+!"$=$&$$$&$U$&$K9M$($F$O%@%a$G(B $B$9$+!)(B
$B!!LLGr$$9M$($@$1$I!"$=$l$@$H!"EE;R$K!V%(%M%k%.!<$r$?$a$k%7%9%F%`!W$H$+(B $B!V%(%M%k%.!<$,#h&M$rD6$($?$+$I$&$+$rH=Dj$9$k%2!<%8!W$H$+!J$=$N$b$N$G$J$/$F$b$$$$$,!"$H$K$+$/$=$&$$$&%a%+%K%:%`!K$,$D$$$F$J$$$H$$$1$^$;$s$,!"EE;R(B $B$K$O$=$s$J9=B$$O$J$$$N$G!"$=$l$OL5M}$G$9$M!#$=$s$JL5M}LpM}$J$3$H$r9M$($k$h$j$O!"8w$,N3$G$d$C$F$/$kJ}$,$:$C$HC1=c$G$9!#F1$8$3$H$r@bL@$9$k$J$i!"C1(B $B=c$J9M$(J}$,$$$$!"$H$$$&$N$bJ*M}$NE4B'$G$9!#(B

3.4  $BN3;R@-$HGHF0@-$NFs=E@-(B

$B!!(B$B$3$N>O$G$O!"8w$rN3;R$H9M$($J$/$F$OET9g$N0-$$$3$H$rJB$YN)$F$F$-$?!#$7$+$70lJ}!"8w$rGH$H9M$($J$/$F(B $B$OET9g$N0-$$$3$H$b$?$/$5$s$"$k(B($BA0$K=R$Y$?%d%s%0$ND8=>]$,BeI=E*$J$b$N(B)$B!#$3$N$h$&$J@- $B!!%"%$%s%7%e%?%$%s$O8w;R$,$?$/$5$sB8:_$7$F8w;R$H8w;R$,Aj8_:nMQ$9$k$3$H$G43>DN)$5$;$k$3$H$r9M$((B $B$?$,!"(B1909$BG/$K%F%$%i!<$,Hs>o$K34$B$G(B $B%d%s%0$NuBV$G$b43>D $B!!Ev;~$NJ*M}3Xl$7$N$.$NJ}K!$,$H$i$l$F$-$?!#LdBj$O$I$s$J!V$"$k;~!W$KGH(B $BF0@-$,$"$i$o$l!"$I$s$J!V$"$k;~!W$K$ON3;R@-$,$"$i$o$l$k$+$G$"$k!#$=$l$,$o$+$i$J$$$H$A$c$s$H$7$?J*M}$K$J$i$J$$!#$3$NLdBj$KBP$9$k0l$D$NEz$,!VNL;RNO(B $B3X$N3NN(2r35$B!W$H8F$P$l$k$b$N$G(B $B$"$k!#(B
$B!!$7$+$7!"$=$N2r7h$NA0$K!"$b$C$H3X$V$Y$-$3$H$,$"$k!#$3$N>O$G$O!VGHF0$@$H;W$C$F$$$?8w$K$ON3;R@-$,$"$k!W$H$$$&$3$H$r3X$s$@$,!"$3$N5U!"$9$J$o$A!VN3(B $B;R$@$H;W$C$F$$$?J*O$N%F!<%^$G$"$k!#(B
$B!!$3$3$^$G!"(B1900$BG/$N%W%i%s%/$NH/8+$+$i(B1923$BG/$N%3%s%W%H%s8z2L$NO$G$O%\!<%"$,86;RLO7?$rH/I=$7$?(B1913$BG/$^$G!"$$$C$?$s;~Be$rLa$9$3$H$K$9$k!#(B

3.5  $B1i=,LdBj!J4{$K:\$;$?$b$N$r=|$/!K(B

[$B1i=,LdBj(B3-2] $B$3$N>O$G$d$C$?$N$H$OJL$N7W;;$G8w$N05NO$,%(%M%k%.!1/3$B$G$"$k(B $B$3$H$r7W;;$7$F$_$h$&!#(B
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Footnotes:

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On 12 May 2006, 14:27.