1. Title　： SciBooNE -- Experimental study of neutrino cross-sections for a long baseline neutrino oscillation experiment and the development of the detectors -- Name:　NAKAYA Tsuyoshi Institutions: Kyoto University

2. Outline Precision study of neutrino cross sections for T2K.
Decay region
50 m
MiniBooNE Detector
SciBar
MiniBooNE beamline
100 m
440 m
Precision study of neutrino cross sections for T2K.
Anti-neutrinos
Unexplored physics territory and important for CP study in T2K-II.
MiniBooNE near detector.
K2K-SciBar + FNAL-BNB
Well developed Detector
Most intense low energy neutrino beam. 　
En (GeV)
T2K
K2K
SciBooNE
Flux (normalized by area)

3. Purpose
Improved measurements of neutrino and anti-neutrino cross sections for T2K and a future n oscillation experiment of CP violation study
　n s sections
Measurements
CC-1p cross section
CCQE s,MA measurement
NC p0 measurement
Search for CC coherent p
Search for NC coherent p0
Search for radiative Delta decay (n+Nm+N’+g)
Intrinsic ne flux for BNB (nmne appearance search)
Un-oscillated Fns for BNB (nmnm disappearance search)
To be improved

4. Methods n SciBar Detector EM calorimeter Extruded
scintillator
(15t)
EM calorimeter
Using the High Resolution Full-Active Fine-Grained neutrino detector
➩ K2K SciBar
Combination with the high intensity low energy neutrino beam.
➩ Fermilab Booster Neutrino Beams (BNB)
➩ Advantages
Well Developed Detector
Well Established and High Intensity Neutrino Beam 3m n
Multi-anode
PMT (64 ch.) 3m
1.7m
Wave-length
shifting fiber

5. Contribution of Japan and U.S.
From Japan:
Neutrino Detectors
SciBar detector
Construction of muon detector
DAQ
Analysis computing system
From U.S.:
Experimental Facility
Neutrino Beam
A part of neutrino detectors
Construction of muon detector.

6. State of Implementation
December 2005: PAC approval
May 2007: The detector construction finished.
June 2007: The bema data taking start
August 2008: The data taking finished.
November 2008: The first physics result was submitted to PRD.
# protons for n and anti-n
n event rate at SciBar n
anti-n
anti-n

7. Research Highlight Study of charged current (CC) p production
Serious background for nm➝ nm oscillation study in T2K
Search for CC coherent p production on carbon.
Submitted to PRD. Hep-ex/
Study of Neutral Current (NC) p0 production
Serious background for nm➝ ne oscillation search in T2K

8. Future Prospects
A short baseline neutrino oscillation search with the MiniBooNE detector.
CC-1p0 measurements
CC-QE measurements
NC elastic measurements
Precision measurements of anti-neutrino cross sections for an experiment of neutrino CP violation.
Many valuable inputs to T2K

9. Number of Participants
2003
2004
2005
2006
2007 日本
（　　） 11
（ 5 ） 17
（10） 米国 16
（2） 21
（　　　）：Graduate Students

10. Number of Persons Acquiring Doctor Degree from FY1979 to FY2007
Teacher
Postdoctoral
Fellow
Company
　　　　　（　0　）
（　　　）：from FY2003 to FY2007

11. Number of Presentations from FY1979 to FY2007
Refereed Papers
International Conference
　　　　　　　　　（　　0　　） 9
　　　　　　　　　（　9　）
（　　　）：from FY2003 to FY2007

12. Number of Academic Dissertation from FY2003 to FY2007
Doctor
Master

13. Number of Citations from FY1979 to FY2007 （Only Referee Reading）
Average
Over 50
From 20 to 49
　　　　　　（　0　）
（　　　）：from FY2003 to FY2007

14. Research Papers Cited over 100 Times
Not yet.
The experiment just started June 2007.

15. Other Important Research Papers (within five titles）
Not yet.