1

J-PARC

J-PARC = Japan Proton Accelerator Research Complex

2

J-PARC (1)

KEK

J-PARC

3

J-PARC (2)

J-PARC

330 280

4

J-PARC (3)

18 217

( )

J-PARC

330 280

62

5

(1999)

KEK 0.6 MW 8 MW

1 MW

μ

550

6

– = 1,527 ( ) 400MeV .– : 860 (56%), KEK: 667 (44%).

7

8

9

X

10

MA

LLFPSr-Cs

J-PARCJ-PARC

11

J-PARC

ISIS ( ISIS )

SNS( SNS

FNAL ( )

CERN(

G (

SI

12

3 GeV

50 GeV D1 ( )

50 GeV

13

50 GeV

3 GeV

3 GeV

3 GeV

14

50 GeV

3 GeV

2005 9

15

–

–

–

–

–

–

–

–

–

–