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y
y
∗
y
∗
−
Y
2
+
Y
2
y
∗
−
Y
2
−y
∗
+
Y
2
y
∗
=
1
2
ln
E
∗
+ p
∗
cos θ
∗
E
∗
− p
∗
cos θ
∗
y = ln
s
m
2
+ p
2
⊥
p
∗
k
≫ p
⊥
E
∗
≫ mc
2
√
s ≥
10
y
∗
−
Y
2
=
1
2
ln
E
∗
+ p
∗
cos θ
∗
E
∗
− p
∗
cos θ
∗
−
1
2
ln
s
m
2
+ p
2
⊥
= ln
2p
∗
k
√
s
.
x = ln
2p
∗
k
√
s
x
x = p
∗
k
/p
∗
max
p
∗
max
x −1 +1
x
2
q
m
2
+ p
2
⊥
√
s
≤ x ≤ 1
− 1 ≤ x ≤
2
q
m
2
+ p
2
⊥
√
s
.
E
0
= 20 x
+0.19 −0.19
”
“
pp
E
E
0
E E
0
/E
∼ 10
E
d
3
σ
d
3
p
= f( x, p
⊥
, s)
”
“
√
s
lim
s→∞
f(s, x, p
2
⊥
) = f(x, p
2
⊥
).
f(p, s) ≡ f(p
⊥
).
y
√
s
1
√
s
2
s
1
< s
2
hni = a ln
s
m
2
+ p
2
⊥
+ b;
hp
⊥
i = const;
hKi = const.
10
12
s
s → ∞
s
ep
ep
u d s c b t
m
u
∼ 5 m
d
∼ 7 m
s
∼
150 m
c
∼ 1.3 m
b
∼ 4.5 m
t
≥ 174
s
B c b t
q/e I
u ∼ 300 + 2/3 +1/3
d ∼ 350 −1/3 −1/2 +1/3
s ∼ 450 −1/3 −1 +1/3
c ∼ 1500 +2/3 +1/3
b ∼ 4500 −1/3 +1/3 −1
t ≃ 174000 +2/3 +1/3
1
2
u d (p = uud)
d u n = ddu
π
+
u
¯
d
(π
+
= u
¯
d)
s (K
+
= u¯s K
0
= d¯s)
q¯q
¯ ¯ ¯
¯ ¯
e
+
e
−
e
+
e
−
p
⊥
<
1 c