-3

-1

1

3

5

7

9

11

13

-2 0 2 4 6 8

X (m )

Y (

m)

magnet rotated by 5.9 degreeDistance from entrance point to magnet right bottom corner 0.19034 m

resolution

0

0.02

0.04

0.06

0.08

0.1

0.12

0.14

0 2 4 6 8 10 12

Electron Energy (GeV)

Res

olu

tio

n (

%E

0)

Curved focal plane

Straight line focal

magnet rotated by 5.9 degreeDistance f rom entrance point to magnet right bottom corner 0.19034 m

Dispers ion

0

5

10

15

20

25

0 2 4 6 8 10 12

Electron energy (GeV)

Dis

per

sio

n (

cm/%

E00

magnet rotated by 5.9 degreeDistance f rom entrance point to magnet right bottom corner 0.19034 m

beta

0

5

10

15

20

25

30

35

0 2 4 6 8 10 12

Electron Energy (GeV)

Bet

a

Curved

straight m agnet rotated by 5.9 degreeDis tance from entrance point to m agnet right bottom corner 0.19034 m

Focal plane

-3

-1

1

3

5

7

9

11

13

-2 0 2 4 6 8

X (m)

y (m

)

Magnet rotated by 5.9 degreeDistance f rom entrance point to magnet right bottom corner 0.3083776 m

Resolution

0

0.01

0.02

0.03

0.04

0.05

0.06

0.07

0.08

0 1 2 3 4 5 6 7 8 9 10

Electron energy (GeV)

Res

olut

ion

(%E

0)

Magnet rotated by 5.9 degreeDistance f rom entrance point to magnet right bottom corner 0.3083776 m

Dispersion

0

5

10

15

20

25

30

0 1 2 3 4 5 6 7 8 9 10

Electron Energy (GeV)

Dis

pers

ion

(cm

/%E

0)

s traightcurve

Magnet rotated by 5.9 degreeDistance f rom entrance point to magnet right bottom corner 0.3083776 m

beta

0

5

10

15

20

25

30

35

40

45

0 1 2 3 4 5 6 7 8 9 10

Electron Energy (GeV)

Bet

a (d

egre

e)

Magnet rotated by 5.9 degreeDistance f rom entrance point to magnet right bottom corner 0.3083776 m

straight

Focal plane position

-3

-1

1

3

5

7

9

11

13

-4 -2 0 2 4 6 8

x (m)

y (m

)

0.25 GeV

9.25 GeV

9.23 GeVFocal plane length:12.8 m.Focal plane length:10.5 m.

Pole length: 6.226 m.Pole width: 0.45 m.Pole gap filed: 1.5 T.Main beam bending angle 13.4 degree.Rotate angle:5.9 degree.

focal plane

-3

-1

1

3

5

7

9

11

13

-2 0 2 4 6 8

X (m)

Y (

m)

Magnet rotated by 6.4 degree.Distance from entrance point to magnet right bottom corner 0.178 m.

resolution

0

0.01

0.02

0.03

0.04

0.05

0.06

0.07

0.08

0.09

0.1

0 2 4 6 8 10 12

Elctron energy (GeV)

reso

luti

on

(%

E0)

straight

Magnet rotated by 6.4 degree.Distance from entrance point to magnet right bottom corner 0.178 m.

Dispersion

0

5

10

15

20

25

0 2 4 6 8 10 12

Electron Energy (GeV)

Dis

per

sio

n (

cm%

E0)

Straight

Magnet rotated by 6.4 degree.Distance from entrance point to magnet right bottom corner 0.178 m.

beta

0

5

10

15

20

25

30

35

0 2 4 6 8 10 12

Elctron Energy(GeV)

Bet

a (d

egre

e)

Magnet rotated by 6.4 degree.Distance from entrance point to magnet right bottom corner 0.178 m.

Focal plane

-3

-1

1

3

5

7

9

11

13

-2 0 2 4 6 8

X (m)

Y (

m)

Magnet rotated by 6.5 degree.Distance from entrance point to magnet right bottom corner 0.21 m.

resolution

0

0.01

0.02

0.03

0.04

0.05

0.06

0.07

0.08

0 2 4 6 8 10 12

Electron Energy (GeV)

Res

olut

ion

(%E

0)

Magnet rotated by 6.5 degree.Distance from entrance point to magnet right bottom corner 0.21 m.

curved

straight

Dispersion

0

5

10

15

20

25

0 2 4 6 8 10 12

Electron Energy (GeV)

Dis

pers

ion

(cm

/%E

0)

straight

Magnet rotated by 6.5 degree.Distance from entrance point to magnet right bottom corner 0.21 m.

beta

0

5

10

15

20

25

30

35

0 2 4 6 8 10 12

Electron Energy (GeV)

Bet

a (d

egre

e)

straight

curved

Magnet rotated by 6.5 degree.Distance from entrance point to magnet right bottom corner 0.21 m.