[Neutron] J-PARC Project Newsletter No.102, April 2026

[Murasawa Machiko]

★☆━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 
　 J-PARC Project Newsletter
　　                       No.102, April 2026                                                                      
Japan Proton Accelerator Research Complex, under joint operation by the   
High Energy Accelerator Research Organization (KEK) and the Japan Atomic
Energy Agency (JAEA)                                                                               
http://j-parc.jp/index-e.html                                                                              
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━☆★

HEADLINES AND CONTENTS 

1.	[Overview]
-	STABLE OPERATION FROM LAST OCTOBER TO MARCH
-	MR SUCCEEDED IN A 1 MW DEMONSTRATION OF FAST EXTRACTION FOR NEUTRINO BEAM, A BIG MILESTONE TOWARD HYPER-KAMIOKANDE EXPERIMENT
-	TWO PROJECTS FROM J-PARC APPROVED UNDER THE SPACE STRATEGY FUND
-	INTERNATIONAL ADVISORY COMMITTEE WAS HELD
＊J-PARC has suspended operations since April 7 due to a fire that occurred at the 50 GeV substation. Further details will be provided in the next issue.
https://j-parc.jp/c/en/topics/2026/04/27001797.html#overview

2. [Accelerator Division] 
-	OPERATION STATUS OF THE ACCELERATORS
-	ACCELERATOR TECHNICAL ADVISORY COMMITTEE (A-TAC) MEETING WAS HELD
-	THE RCS BEAM COMMISSIONING GROUP, REPRESENTED BY DR. PRANAB KUMAR SAHA, HAS WON THE SUWA PRIZE
https://j-parc.jp/c/en/topics/2026/04/27001797.html#ACC

3. [Particle and Nuclear Physics Division] 
-	PROGRAM ADVISORY COMMITTEE MEETING
-	ACHIEVEMENT OF STABLE 900 kW HIGH-POWER OPERATION AT THE NEUTRINO EXPERIMENTAL FACILITY AND THE INTERNATIONAL ADVISORY COMMITTEE MEETING TOWARD THE HYPER-KAMIOKANDE PROJECT 
-	STATUS OF THE JSNS2 / JSNS2-II (SEARCH FOR STERILE NEUTRINOS AT J-PARC MLF, E56 / E82)
-	MAJOR HONORS FOR KEK/J-PARC RESEARCH: SUWA PRIZE FOR TWO PIONEER LEADERS OF RARE K DECAY EXPERIMENTS AND AWARD-WINNING RESULTS FROM THE J-PARC E40 EXPERIMENT
-	STATUS OF THE COMET EXPERIMENT
-	STATUS OF THE MUON g-2/ELECTRIC DIPOLE MOMENT (EDM) (E34)
https://j-parc.jp/c/en/topics/2026/04/27001797.html#NU

4. [Materials and Life Science Division] 
-	NEUTRON SOURCE, CONTINUATION OF STABLE BEAM OPERATION 
-	MLF ADVANCES TOWARD 2026A WITH NEW PROPOSAL CALL, ADVISORY REVIEWS, AND A SERIES OF KEY MEETINGS
-	DR. SHINOHARA TAKENAO OF THE NEUTRON SCIENCE SECTION AND COLLEAGUES RECEIVE THE KOSHIBA AWRAD
-	SYMPOSIUM AND WORKSHOP
-	MUON SCIENCE FACILITY (MUSE), MAC WAS HELD
https://j-parc.jp/c/en/topics/2026/04/27001797.html#MLF

5. [Nuclear Transmutation Division] 
- THE TECHNICAL ADVISORY COMMITTEE (T-TAC) MEETING WAS HELD
https://j-parc.jp/c/en/topics/2026/04/27001797.html#NTD

6. [Safety Division] 
-	10TH SYMPOSIUM ON SAFETY IN ACCELERATOR FACILITIES
https://j-parc.jp/c/en/topics/2026/04/27001797.html#SD

7. [Outreach Activities]

8. [Editorial Note]
PAST ISSUES ARE AVAILABLE FROM THE LINK BELOW. 
http://j-parc.jp/c/en/topics/project-newsletter/index.html
┏----…----…----…----…----…----…----…----…----…----…----…----…☆
┃ Editorial Board:
┃ OGURI Hidetomo (Chair): oguri.hidetomo[at]jaea.go.jp
┃ SHOBUDA Yoshihiro : yoshihiro.shobuda[at]j-parc.jp
┃ OZAWA Kyoichiro : ozawa[at]post.kek.jp
┃ MURASAWA Machiko : machiko[at]post.kek.jp
┃ Bruce YEE-RENDON : byee[at]post.j-parc.jp
┃ OGAWA China (Secretary): ogawa.china[at]jaea.go.jp
┃ * Please replace "(at)" with "@" when you enter an email address.
★----…----…----…----…End of Letter…----…----…----…----…----…----