Papers
--- IBIC 2024: The 13th International Beam Instrumentation Conference ---
Bunch by bunch feedback systems reviewT. Nakamura
for attendees, contributors, and organizers (led by A. Mochihashi)
of the I.FAST Workshop 2024 on Bunch-by-Bunch Feedback Systems and Related Beam Dynamics
--- The 20th Annual Meeting of Particle Accelerator Society of Japan (2023) ---
Bunch Pitch/Yaw Monitor Test using NewSUBARU Storage Ringピコ秒バンチのピッチ・ヨーモニタの NewSUBARU を用いた実証実験 (in Japanese)
T. Nakamura
- Development of pitch/yaw real-time monitor for pico-second bunch at NewSUBARU ring of university of Hyogo.
--- The 19th Annual Meeting of Particle Accelerator Society of Japan (2022) ---
BUNCH SLOPE MONITOR FOR LINAC (in Japanese)T. Nakamura
- Proposal for pitch/yaw real-time monitor for pico-second bunch with a stripline BPM and a few GHz RF circuits (below cut-off).
--- The 16th Annual Meeting of Particle Accelerator Society of Japan (2019) ---
BUNCH-BY-BUNCH HEAD-TAIL KICKER FOR HEAD-TAIL FEEDBACK FOR SINGLE-BUNCH INSTABILITIES (in Japanese)T. Nakamura
- Possible designs for fast pitch/yaw kicker for pico-second bunch
--- The Joint ARIES Workshop on Electron and Hadron Synchrotrons: Next Generation Beam Position Acquisition and Feedback Systems (2018) ---
New SPring-8 Bunch-by-Bunch Feedback Processor for Hybrid Filling (in Japanese)T. Nakamura, K. Kobayashi, T. Fujita, M. Masaski, H. Dewa (JASRI/SPring-8), R. Sreedharan, R. Nagaoka (SOLEIL), LEE Jaeyu, KIM Dotae, SHIN Seunghwn (PAL)
- Feedback processor for hybrid filling with high contrast bunch current.
--- The 15th Annual Meeting of Particle Accelerator Society of Japan (2018) ---
Challanege to Head-Tail Feedback for Mode-Coupling Instbility (in Japanese)T. Nakamura
- Proposal of a pico-second bunch pitch/yaw monitor with new method using button BPM and 1~GHz RF circuits (below cut-off frequency) with discussion on Head-tail feedback for single-bunch instabilities
--- IPAC 2018 ---
Transverse and Longitudinal Bunch-by-Bunch Feedback for Storage Rings : Talk and ProceedingsT. Nakamura
--- The 14th Annual Meeting of Particle Accelerator Society of Japan (2017) ---
Stabilization of high gain transverse feedback by multiple BPMs (in Japanese)T. Nakamura
--- Beam Physics 2016 ---
Beam Instabilities and Cure : Lecture with GIF movies (in Japanese)Beam Instabilities and Cure : Lecture (in English, trans. by S. Shin (PAL, Postech, Korea) )
T. Nakamura
--- The 13th Annual Meeting of Particle Accelerator Society of Japan (2016) ---
Tune Free Linear, Non-linear and Coupling Resonance Excitation (in Japanese)T. Nakamura
Tune free exicitation of resonances with AC skew/nonlinear magnets.
--- The 71th Annual Meeting of Physical Society of Japan (2016) ---
Stability Analysis of Transverse Feedback and Its Enhancement with Multiple BPMs (in Japanese)T. Nakamura
--- The 12th Annual Meeting of Particle Accelerator Society of Japan (2015) ---
DEVELOPMENT OF A NEW BUNCH-BY-BUNCH FEEDBACK SIGNAL PROCESSOR AT THE SPRING-8 RING (in Japanese)K. Kobayashi, T. Nakamura
Test of Longitudinal Bunch-by-Bunch Feedback at the SPring-8 Storage Ring (in Japanese)
M. Masaki, T. Nakamura, K. Kobayashi, T. Fujita
Proposal of Ultra-fast Quadrupole Kicker for Reduction of Injected Beam Motion (in Japanese)
T. Nakamura
--- The 70th Annual Meeting of Physical Society of Japan (2015) ---
Proposal of Head-tail Kicker for Feedback to cure head-tail beam instabilities (in Japanese)
T. Nakamura
--- The 11th Annual Meeting of Particle Accelerator Society of Japan (2014) ---
Development of 50kV Ultra-fast Dipole-Quadrupole Kicker for Bucket-by-bucket Beam Handling (in Japanese)T. Nakamura, H, Dewa, T. Asaksa, K. Kobayashi, T. Fujita, M. Masaki, S. Suzuki, S. Sasaki, H. Ohkuma
--- Topical Workshop on Instabilities, Impedance and Collective Effects 2014 (TWIICE2014) ---
Bunch-by-bunch feedback system for hybrid filling and recent topics in SPring-8T. Nakamura
--- IBIC2013 ---
DEVELOPMENT OF A HIGHLY EFFICIENT ENERGY KICKER FOR LONGITUDINAL BUNCH-BY-BUNCH FEEDBACKM. Masaki T. Fujita, K. Kobayashi, T. Nakamura, M. Oishi, H. Ohkuma, S. Sasaki, M. Shoji
--- The 10th Annual Meeting of Particle Accelerator Society of Japan (2013) ---
X-Y COUPLING GENERATION WITH AC/PULSED SKEW QUADRUPOLE AND ITS APPLICATION (in Japanese)T. Nakamura
DEVELOPMENT OF A HIGHLY EFFICIENT ENERGY KICKER FOR LONGITUDINAL BUNCH-BY-BUNCH FEEDBACK (in Japanese)
M. Masaki, T. Nakamura, K. Kobayashi, T. Fujita, M. Ohishi, Masazumi Shoji, Shigeki Sasaki, Haruo Ohkuma
--- The 68th Annual Meeting of Physical Society of Japan (2013) ---
Strong X-Y Couping by AC Skew Quadrupole without Difference Resonance (in Japanese)T. Nakamura
--- Low Emittance Ring 2011 ---
Multi-bunch feedback system review and challenges for 1-2GHz (below cut-off frequency)T. Nakamura
SPring-8 upgrade : a fast kicker system for beam injection
T. Nakamura
--- IPAC 2011 ---
T. NakamuraBucket-by-bucket On/Off-axis Injection with Variable Field Fast Kicker
T. Nakamura
Amplitude Dependent Betatron Oscillation Center Shift by Non-linearity and Beam Instability Interlock
T. Nakamura, M. Takao, K. Soutome, J. Shimizu, K. Kobayashi, and T. Seike
Resonant Strip-line Type Longitudinal Kicker
T. Nakamura
--- The 7th Meeting of Particle Accelerator Society of Japan 2010 --
RESONANT STRIP-LINE TYPE LONGITUDINAL KICKER FOR BUNCH-BY-BUNCH FEEDBACK (in Japanese)T. Nakamura
--- IPAC 2010 ---
Suppression of Transverse Instabilities by Chromaticity ModulationLight Source based on Multiturn-circulation of Beam of Energy Recovery Linac
Operational Status of the Transverse Bunch by Bunch Feedback System at SOLEIL (as a co-author)
--- The 6th Meeting of Particle Accelerator Society of Japan 2009 --
Light Source Based on Multiturn Circulation Energy Recovery Linac (in Japanese)Burst Coherent Radiation at the SPring-8 Storage Ring (in Japanese)
--- ICALEPCS 2009 ---
TUNE TRACKING RFKO BUNCH PURIFICATION WITH BUNCH-BY-BUNCH FEEDBACK AT SPRING-8NEW AUTOMATIC BUNCH CURRENT SENSITIVE FAST ATTENUATOR FOR RF FRONT-END OF BUNCH-BY-BUNCH FEEDBACK SYSTEM AT SPRING-8 (as a co-author)
--- PAC 2009 ---
COMMISSIONING OF THE DIGITAL TRANSVERSE BUNCH-BY-BUNCH FEEDBACK SYSTEM FOR THE HLS (as a co-author)--- The 5th Meeting of Particle Accelerator Society of Japan 2008 --
APPLICATION STUDY OF MULTITURN CIRCULATION ERL (in Japanese)DIGITAL TRANSVERSE BUNCH-BY-BUNCH FEEDBACK SYSTEM FOR HLS (as a co-author)
Fast Extraction of Electron-Cooled Ion Beam at HIMAC (as a co-author) (in Japanese)
--- EPAC 2008 ---
Bunch by Bunch Feedback by RF Direct SamplingFilling of High Current Singlet and Train of Low Bunch Current in SPring-8 Storage Ring
--- IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY ---
AC Sextupole Magnet for Cure of Transverse Instability in Synchrotron (Volume 18, Issue 2, June 2008 Page(s):326 - 329)--- Physical Review Special Topics -Accelerators and Beams ---
Multiturn circulation of an energy-recovery linac beam in a storage ring ( Phys. Rev. ST Accel. Beams 11, 032803 (2008) )--- The 4th Meeting of Particle Accelerator Society of Japan 2007 --
RF Direct Sampling Digital Feedback (in Japanese)Control of Synchrotron Oscillation by Transverse Feedback (in Japanese)
STATUS OF THE ACCELERATOR DIAGNOSTICS BEAMLINES I & II AT THE SPRING-8 STORAGE RING (as a co-author, in Japanese)
PRESENT STATUS OF ION STORAGE AND COOLER RING, S-LSR (as a co-author)
--- DPAC 2007 --
TRANSVERSE FEEDBACK DEVELOPMENT AT SOLEIL (as a co-author)--- PAC 2007 --
Transverse Feedback Development at SOLEIL (as a co-author)Development of Digital Transverse Bunch-by-Bunch Feedback System of HLS (as a co-author)
--- 3rd Meeting of Particle Accelerator Society of Japan 2006 --
Cure of Transverse Instabilities by Chromaticity Modulation at New SUBARU ( in Japanese )Digital Feedback for Transvese Coasting Beam Instability at S-LSR ( in Japanese )
Cure oF Longitudinal Instability by Acceleration Voltage Modulation by Revolution at SPring-8 ( in Japanese )
Transverse Feedback Damper at the KEK-PS MR ( as a co-author, in Japanese )
Present Status of Low-Energy Test Operation at SPring-8 ( co-author, in Japanese )
--- EPAC 2006 --
Single-Loop Two-Dimensional Feedback for Photon FactoryBunch-by-bunch Feedback for the Photon Factory Storage Ring (as a co-author)
Commissioning of the Digital Transverse Bunch-by-bunch Feedback System for the TLS (as a co-author)
FPGA-based Longitudinal Bunch-by-bunch Feedback System for TLS (as a co-author)
--- Workshop SAD 2006 ---
Simulation of Beam Instabilities in SPring-8--- DIPAC 2005 ---
BEAM POSITION MONITOR AND KICKER FOR THE SPRING-8 TRANSVERSE BUNCH-BY-BUNCH FEEDBACK--- NANOBEAM 2005 ---
The Residual Beam Motion driven by the Noise at a Transverse Feedback, KEK Proceedings 2006-20, pp.401-403( local file : The Residual Beam Motion driven by the Noise at a Transverse Feedback )
--- ICALEPCS 2005 ---
FPGA Based Bunch-by-Bunch Feedback Signal Processor--- 2nd Meeting of Particle Accelerator Society of Japan 2005 ---
Status of Cure of Transverse Instabilities by Chromaticity Modulation at NewSUBARU (in Japanese )--- DIPAC 2005 ---
Beam Position Monitor and Kicker for the SPring-8 Transverse Bunch-by-Bunch Feedback--- Journal of the Particle Accelerator Society of Japan Vol. 1, No. 3, 2004 (199-210) ---
High Precision Transverse Bunch-by-Bunch Feedback System with FPGA and High Resolution ADC ( in Japanese )--- 1st Meeting of Particle Accelerator Society of Japan 2004 ---
Performance and Experience of Transverse Bunch-by-Bunch Feedback System for SPring-8 ( in Japanese)--- EPAC 2004 ---
Transverse Bunch-by-bunch Feedback System for the SPring-8 Storage Ring--- Journal of The Japanese Society for Synchrotron Radiation Research ---
Beam Instabilities Reveiw (in Japanese) ( link in Japanese Society for Synchrotron Radiation Research is here--- PAC 2001 ---
Observations of Fast Multi-Bunch Instability in the SPring-8 Storage RingResistive-Wall Coupled-Bunch Instability Driven by In-Vacuum Insertion Devices in the SPring-8 Storage Ring
Chromaticity for Energy Spread Measurement and for Cure of Transverse Multi-Bunch Instability in the SPring-8 Storage Ring
Low Emittance Operation of the SPring-8 Storage Ring by Damping Partition Control
--- 12th Symposium on Accelerator Science and Technology, Japan , 1999 ---
Obervation of Single-Bunch Instabilities in the SPring-8 Storage RingSingleBunch Instabilities in the SPring-8 Storage Ring: Comparison with Simulation based on Estimated Impedance Excitation of Betatron Oscillation under Finite Chromaticity
Energy Spread Measurement of the SPring-8 Storage Ring with Chromatic Sideband Peak Height of Betatron Oscillation Spctrum
Robinson Instability under Cavity Voltage Feed-back
Robinson Instability under Cavity Voltage Feed-back -Observation at the SPring-8 Storage Ring-
--- SPring-8 Annual Report 1998 ---
Excitation of Betatron Oscillation under Finite ChromaticityEnergy Spread Measurement of the SPring-8 Storage Ring with Chromatic Sideband Peak Height of Betatron Oscillation Spectrum
--- EPAC96 ---
The Broad-band Impedance of the SPring-8 Storage RingThe Simulation Study of the Single Bunch Instabilities in the Spring-8 Storage Ring
--- SPring-8 Annual Report 1996 ---
Simulation Study of Single Bunch Instabilities in the SPring-8 Storage RingPossible Methods for Cure of Multi-Bunch Instabilities in the SPring-8 Storage Ring
--- PAC95 ---
Cure of Transverse Instabilities by Chromaticity Modulation--- SPring-8 Annual Report 1995 ---
Development of the Single-Bunch Instabilities Simulation Code SISRThe Coupled-Bunch Instabilities Simulation Code CISR -Longitudinal Motion
The Coupled-Bunch Instabilities Simulation Code CISR -Transverse Motion
Cure of Transverse Instabilities by Chromaticity Modulation
Longitudinal and Transverse Impedance of The SPring-8 Storage Ring
Estimation Scheme of Longitudinal and Transverse Impedance
Characteristics of Impedance of Small Grooves
The Three-Dimensional Free Electron Laser Simulation Code ELFIN