Proposals for Nuclear and Particle Physics Experiments at J-PARC

Proposals for the 38th PAC meeting, Tue 30 July - Thu 01 August, 2024

P104: Double φ Production in p-bar p Reactions near Threshold
J.K. Ahn (Korea University, Korea) [pdf file (6.9Mbytes)]
P103: Proposal for a test experiment to evaluate the performance of the trigger-less data-streaming type data acquisition system
K. Shirotori (RCNP, Osaka, Japan) [pdf file (4.4Mbytes)]
P100: Neutron lifetime measurement with pulsed cold neutrons
Contact person: K. Mishima (Nagoya University, Japan) [pdf file (1.9Mbytes)]
LoI: LoI: Search for the Θ+ in K+d→K0pp Reaction with Hyperon Spectrometer
Contact person: S.H. Kim (Kyungpook National University, Korea) [pdf file (1.1Mbytes)]
LoI: Investigating d-bar+12C nucleus interaction at J-PARC
Contact person: Y. Ma (RIKEN, japan) [pdf file (1.6Mbytes)]

Proposals for the 37th PAC meeting, Wed 24 - Fri 26 January, 2024

P102: Study of the peculiar bump structure at 1680 MeV by the π-p→ηn reaction with momenta of pπ=0.85-1.2 GeV/c
H. Kohri (RCNP, Osaka, Japan) [pdf file (8.3Mbytes)]
P101: Measurement of neutrino-induced neutron and γ-ray background for BGO-based detectors at J-PARC
Contact person: H. Ito (Tokyo University of Science, Japan) [pdf file (1.1Mbytes)]

Proposals for the 36th PAC meeting, Wed 19 - Fri 21 July, 2023

LoI: Study of the bump structure at 1680 MeV by the π-p→ηn reaction at pπ=0.7 to 1.2 GeV/c
H. Kohri (RCNP, Osaka, Japan) [pdf file (0.4Mbytes)]
P100: Fundamental Physics with Pulsed Cold Neutrons
K. Mishima (KEK, Japan) [pdf file (4.4Mbytes)]
P99: Study of Discrete Symmetries in Polarized Epithermal Neutron Optics
Contact person: H. Shimizu (Nagoya, Japan) [pdf file (2.0Mbytes)]

Proposals for the 35th PAC meeting, Mon 23 - Wed 25 January, 2023

P98: Proposal for Measurement of Anti-Matter Reaction in Liquid Argon Time Projection Chamber (LArTPC)
K. Yorita (Waseda, Japan) [pdf file (5.4Mbytes)]
P97: Cascade baryon spectroscopy at J-PARC high-momentum beamline
Contact person: M. Naruki (Kyoto, Japan) [pdf file (3.0Mbytes)]

Proposals for the 34th PAC meeting, Wed 3 - Fri 5 August, 2022

P96: Measurement of X rays from Ξ− C atom with an active fiber target system
Contact person: T. O. Yamamoto (JAEA, Japan) [pdf file (8.0Mbytes)]
P95: Pion-induced phi-meson production on the proton
Contact person: T. Ishikawa (Tohoku, Japan) [pdf file (2.9Mbytes)]
P94: New generation Λ hypernuclear spectroscopy with the (π+,K+) reaction by S-2S
Contact person: T. Gogami (Kyoto, Japan) [pdf file (1.4Mbytes)]

Proposals for the 33rd PAC meeting, Wed 19 - Fri 21 January, 2022

P93: Proposal of test experiment to evaluate performances of secondary beam mode at the high-momentum beam line
Contact person: K. Shirotori (Osaka, Japan) [pdf file (1.9Mbytes)]
P92: Proposal for the E80 Phase-I Experiment: Investigation of the KNNN Bound State Focusing on the Λd Decay
Contact person: F. Sakuma (RIKEN, Japan) [pdf file (0.2Mbytes)]
P91: Proposal for study of charm component in the nucleon via J/ψ measurement with the J-PARC E16 spectrometer
Contact person: Y. Morino (KEK, Japan) [pdf file (0.9Mbytes)]
P90: High resolution spectroscopy of the "ΣN cusp" by using the d(K-,π-) reaction
Contact person: Y. Ichikawa and K. Tanida (JAEA, Japan) [pdf file (8.6Mbytes)]
LoI: Pion-induced phi meson production on the proton
Contact person: T. Ishikawa (Tohoku, Japan) [pdf file (1.5Mbytes)]
LoI: Measurement of X rays from Ξ− C atom with an active fiber target system
Contact person: T. O. Yamamoto (JAEA, Japan) [pdf file (8.0Mbytes)]

Proposals for the 32nd PAC meeting, Wed 14 - Fri 16 July, 2021

P89: Investigation of fundamental properties of the KNN state
Contact person: T. Yamaga (RIKEN, Japan) [pdf file (5.7Mbytes)]
P88: Study of in-medium modification of φ mesons inside the nucleus with φ→K+K- measurement with the E16 spectrometer
Contact person: H. Sako (JAEA, Japan) [pdf file (5.5Mbytes)]
P87: Proposal for dielectron measurements in heavy-ion collisions at J- PARC with E16 upgrades
Contact person: T. Gunji (Tokyo, Japan), K. Ozawa (KEK/J-PARC, Japan), H. Sako (JAEA, Japan) [pdf file (9.6Mbytes)]
P86: Measurement of the differential cross section and spin observables of the Λp scattering with a polarized Λ beam
Contact person: K. Miwa (Tohoku, Japan) [pdf file (4.5Mbytes)]
P85: Spectroscopy of Omega Baryons
Contact person: K. Shirotori (Osaka, Japan) [pdf file (9.6Mbytes)]
P84: High precision spectroscopy of Λ hypernuclei with the (π+,K+) reaction at the High Intensity High Resolution beamline
Contact person: S. Nakamura (Tohoku, Japan) [pdf file (2.6Mbytes)]
P83: Search for sub-millicharged particles at J-PARC
Contact person: J. H. Yoo (Korea University, Korea) [pdf file (3.8Mbytes)]
LoI: Modification of baryon structure in nuclear matter studied from beta-decay rate of a Λ hypernucleus
Contact person: H. Tamura (Tohoku, Japan) [pdf file (1.4Mbytes)]

Proposals for the 31st PAC meeting, Wed 20 - Fri 22 January, 2021

P82: Proposal: JSNS2-II
Contact person: T. Maruyama (KEK, Japan) [pdf file (3.3Mbytes)]
P81: Proposal of test experiment for technical improvements of neutrino measurements with nuclear emulsion detector
Contact person: T. Fukuda (Nagoya, Japan) [pdf file (1.8Mbytes)]
LoI: Study of in-medium modifications of φ inside the nucleus with φ→K+K- measurement with the E16 spectrometer
Contact person: H. Sako (JAEA, Japan) [pdf file (4.8Mbytes)]

Proposals for the 30th PAC meeting, Mon 20 - Wed 22 July, 2020

P80: Systematic investigation of the light kaonic nuclei - via the in-flight 4He(K-, N) reactions
Contact person: F. Sakuma (RIKEN, Japan) [pdf file (2.4Mbytes)]
P79: Search for an I=3 dibaryon resonance
Contact person: T. Ishikawa (Tohoku, Japan) [pdf file (2.2Mbytes)]
P78: Proposal for 8 GeV Operation Test and Extinction Measurement
Contact person: H. Nishiguchi (KEK, Japan) [pdf file (4.3Mbytes)]
LoI: Letter of Intent: Search for sub-millicharged particles at J-PARC
Contact person: J. H. Yoo (Korea University, Korea) [pdf file (2.1Mbytes)]
LoI: Measurement of the cross section of the Λp scattering
Contact person: R. Honda (Tohoku, Japan) [pdf file (0.7Mbytes)]

Proposals for the 29th PAC meeting, Thu 16 - Sat 18 January, 2020

P77: Feasibility study for 3ΛH mesonic weak decay lifetime measurement with 4He(K-, π0)4ΛH reaction
Contact person: Y. Ma (RIKEN, Japan) [pdf file (4.4Mbytes)]
P76: Searches for the Breaking of the Time Reversal Invariance in Polarized Epithermal Neutron Optics
Contact person: H. M. Shimizu (Nagoya, Japan) [pdf file (3.8Mbytes)]
P75: Phase-1 of the P75 experiment: Measurement of the formation cross section of 7Ξ-H in the 7Li(K-,K+) reaction
Contact person: H. Fujioka (Tokyo Institute of Technology, Japan) [pdf file (0.1Mbytes)]

Proposals for the 28th PAC meeting, Tue 16 - Thu 18 July, 2019

LoI: Letter of Intent for the Systematic Study of the Kaonic Nuclear Bound States at K1.8BR in J-PARC Hadron Hall
Contact person: M. Iwasaki (RIKEN, Japan) [pdf file (0.2Mbytes)]
LoI: Search for a K−K−pp double kaonic nucleus using the d(K−,K0) reaction with the HypTPC detector
Contact person: Y. Ichikawa (JAEA, Japan) [pdf file (2.4Mbytes)]

Proposals for the 27th PAC meeting, Wed 16 - Fri 18 January, 2019

P75: Decay Pion Spectroscopy of 5ΛΛH produced by Ξ-hypernuclear Decay
Contact person: H. Fujioka (Tokyo Institute of Technology, Japan) [pdf file (1.8Mbytes)]
P74: Direct measurement of the 3ΛH and 4ΛH lifetimes using 3,4He(π-,K0)3,4ΛH reactions
Contact person: A. Feliciello (INFN, Torino, Italy) [pdf file (2.7Mbytes)]
LoI: Studying Generalized Parton Distributions with Exclusive Drell-Yan process at J- PARC
Contact person: W. C. Chang (Academia Sinica, Taiwan), H. Noumi (RCNP/KEK, Japan), S. Sawada (KEK, Japan) [pdf file (0.6Mbytes)]
P73: 3ΛH and 4ΛH mesonic weak decay lifetime measurement with 3,4He(K-,π0)3,4ΛH reaction
Contact person: Y. Ma (RIKEN, Japan) [pdf file (4.5Mbytes)]

Proposals for the 26th PAC meeting, Wed 18 - Fri 20 July, 2018

LoI: Decay Pion Spectroscopy of 5ΛΛH produced by 7Li(K-,K+) reactions
Contact person: H. Fujioka (Tokyo Institute of Technology, Japan) [pdf file (0.4Mbytes)]
P73: 3ΛH and 4ΛH mesonic weak decay lifetime measurement with 3,4He(K-,π0)3,4ΛH reaction
Contact person: Y. Ma (RIKEN, Japan) [pdf file (1.8Mbytes)]

Proposals for the 25th PAC meeting, Mon 15 - Wed 17 Janyary, 2018

P72: Search for a Narrow Λ* Resonance using the p(K-, Λ)η Reaction with the hypTPC Detector
Contact person: K. Tanida (JAEA, Japan) [pdf file (1.1Mbytes)]
P71: Proposal for precise measurement of neutrinop-water cross-section in NINJA physics run
Contact person: T. Fukuda (Nagoya, Japan) [pdf file (1.1Mbytes)]
P70: Proposal for the next E05 run with the S-2S spectrometer
Contact person: T. Nagae (Kyoto, Japan) [pdf file (2.3Mbytes)]
P69: Study of neutrino-nucleus interaction at around 1GeV using cuboid lattice neutrino detector, WAGASHI, muon range detectors and magnetized spectrometer, Baby MIND, at J-PARC neutrino monitor hall
Contact person: A. Minamino (YNU, Japan) [pdf file (13.8Mbytes)]
P67: Measurement of displacement cross section of proton in energy region between 3 and 30 GeV for high-intensity proton accelerator facility
Contact person: S. Meigo (JAEA, Japan) [pdf file (1.4Mbytes)]
LoI: Intrinsic charm search at the J-PARC high momentum beamline
Contact person: Y. Morino (KEK, Japan) [pdf file (2.0Mbytes)]

Proposals for the 24th PAC meeting, Mon 24 - Wed 26 July, 2017

P67: Measurement of displacement cross section of proton in energy region between 3 and 30 GeV for high-intensity proton accelerator facility
Contact person: S. Meigo (JAEA, Japan) [pdf file (660Kbytes)]
E16: J-PARC E16 Run0 Proposal
Contact person: S. Yokkaichi (RIKEN, Japan) [pdf file (828Kbytes)]
LoI: Letter of Intent for J-PARC: Study of antideuteron physics at K1.8BR beam line
Contact person: Y. Ma (RIKEN, Japan) [pdf file (521Kbytes)]

Proposals for the 23rd PAC meeting, Wed 11 - Fri 13 January, 2017

LoI: Letter of Intent for the E05 next physics run with S-2S
Contact person: T. Nagae (Kyoto University, Japan) [pdf file (668Kbytes)]
T66: J－PARC T60 Experiment : Status and Proposal for Oct Run
Contact person: T. Fukuda (Nagoya University, Japan) [pdf file (189Kbytes)]

Proposals for the 22nd PAC meeting, Wed 27 - Fri 29 July, 2016

P65: Proposal for an Extended Run of T2K to 20×1021 POT
Contact person: T. Nakaya (Kyoto University, Japan) and M. O. Wascko (Imperial College London, UK) [pdf file (2.3Mbytes)]
LoI: Investigation of Pion Double Charge Exchange Reaction with S-2S Spectrometer
Contact person: H. Fujioka (Kyoto University, Japan) [pdf file (316Kbytes)]
LoI: Search for tetraneutron by pion double charge exchange reaction on 4He
Contact person: H. Fujioka (Kyoto University, Japan) [pdf file (453Kbytes)]
P61: Update of the P61 proposal
Contact person: M. J. Wilking (State University of New York at Stony Brook, USA) [pdf file (12.0Mbytes)]
LoI: Letter of Intent for the J-PARC Heavy-Ion Program
Contact person: H. Sako (JAEA/J-PARC, Japan) [pdf file (6.5Mbytes)]
T64: Measurement of the gamma-ray and neutron background from the T2K neutrino/anti-neutrino beam at J-PARC B2 Hall
Contact person: Y.Koshio (Okayama University, Japan) [pdf file (534Kbytes)]

Proposals for the 21st PAC meeting, Wed 13 - Fri 15 January, 2016

EoI: Expression of Interest for an Extended Run at T2K to 20×1021 POT
Contact person: A. Ichikawa (Kyoto, Japan) [pdf file (415Kbytes)]
LoI: Study of Odd-Parity Σ(1670) and Ξ(1690) Resonances in K-p Reactions with the Hyperon Spectrometer
Contact person: S.Y. Ryu (RCNP, Japan) [pdf file (1.3bytes)]
LoI: Precise measurement of the lifetime of Hydrogen Hyperisotopes 3ΛH and 4ΛH
Contact person: A. Feliciello (INFN Torino, Italy) [pdf file (65Kbytes)]
LoI: Searching for Muon Neutrino Disapearance using Mono-energetic Netrinos from Kaon Decay-at-rest at the J-PARC Materials and Lifescience Facility
Contact person: T. Wongjirad (MIT, USA) [pdf file (5.5Mbytes)]
P63: Proposal of the 2nd stage of E13 experiment
Contact person: H. Tamura (Tohoku University, Japan) [pdf file (2.8Mbytes)]
P61: Update to the NuPRISM proposal
Contact person: M. J. Wilking (State University of New York at Stony Brook, USA) [pdf file (384Kbytes)]

Proposals for the 20th PAC meeting, Wed 15 - Fri 17 July, 2015

P62: Precision Spectroscopy of Kaonic Helium 3 3d->2p Xrays
Contact person: R. Hayano (The University of Tokyo, Japan) [pdf file (7.3Mbytes)]
P61: Proposal for the NuPRISM Experiment in the J-PARC Neutrino Beamline
Contact person: M. J. Wilking (State University of New York at Stony Brook, USA) [pdf file (15.2Mbytes)]
T60: Extension proposal of T60 experiment
Contact person: T. Fukuda (Toho University, Japan) [pdf file (99Kbytes)]
P57: Update of the proposal
Contact person: J. Zmeskal (Stefan Meyer Institute for Subatomic Physics, Austria) [pdf file (1.2Mbytes)]

Proposals for the 19th PAC meeting, Wed 3 - Fri 5 December, 2014

LoI: Letter of Intent to Construct a nuPRISM Detector in the J-PARC Neutrino Beamline
Contact person: M. Wilking (State University of New York at Stony Brook, USA) [pdf file (0.25Mbytes)]
T60: Proposal of an emulsion-based test experiment at J-PARC
Contact person: T. Fukuda (Toho University, Japan) [pdf file (7.6Mbytes)]

Proposals for the 18th PAC meeting, Wed 14 - Fri 16 May, 2014

LoI: Ξ Baryon Spectroscopy with High-momentum Secondary Beam
Contact persons: M. Naruki (Kyoto U, Japan) and K. Shirotori (RCNP, Japan) [pdf file (0.78Mbytes)]
T59: A test experiment to develop a 3D grid-like neutrino detector with a water target for measurement of neutrino cross sections at the near detector hall of J-PARC neutrino beam-line
Contact person: A. Minamino (Kyoto U, Japan) [pdf file (1.7Mbytes)]
P58: A Long Baseline Neutrino Oscillation Experiment Using J-PARC Neutrino Beam and Hyper-Kamiokande
Contact person: M. Yokoyama (U. of Tokyo, Japan) [pdf file (13.7Mbytes)]
P57: Measurement of the strong interaction induced shift and width of the 1st state of kaonic deuterium at J-PARC
Spokesperson: J. Zmeskal (Stefan Meyer Institute for Subatomic Physics, Austria) [pdf file (1.8Mbytes)]

Proposals for the 17th PAC meeting, Wed 25 - Fri 27 September, 2013

LoI: Measurement of the strong interaction induced shift and width of the 1st state of kaonic deuterium
Spokesperson: J. Zmeskal (Stefan Meyer Institute for Subatomic Physics, Austria) [pdf file (2.1Mbytes)]
P56: A search for Sterile Neutrino at J-PARC Materials and Life Science Experimental Facility
Spokesperson: T. Maruyama (KEK, Japan) [pdf file (5.0Mbytes)]
P55: Second Test of Aerogel Cherenkov counter for the J-PARC E36 experiment
Contact person: A. Toyoda (KEK, Japan) [pdf file (0.22Mbytes)]
P54: Test experiment for a performance evaluation of a scattered proton detector system for the Sigma-p scattering experiment E40
Contact person: K. Miwa (Tohoku U, Japan) [pdf file (8.8Mbytes)]
P53: Test of GEM Tracker, Hadron Blind Detector and Lead-glass EMC for the J-PARC E16 experiment
Contact person: D. Kawama (RIKEN, Japan) [pdf file (0.95Mbytes)]
P52: Test of fine pixel CCDs for ILC vertex detector
Contact person: Y. Sugimoto (KEK, Japan) [pdf file (0.34Mbytes)]
P51: Research Proposal For COMET(E21) Calorimeter Prototype Beam Test
Contact person: S. Mihara (KEK, Japan) [pdf file (1.3Mbytes)]

Proposals for the 16th PAC meeting, Wed 09 - Fri 11 January, 2013

LoI: A new approach to study the X(1835) via the d(p,n) reaction -towards pbar bound nuclear system-
Contact person: M. Iwasaki (RIKEN, Japan)[pdf file (0.70Mbytes)]
P50: Charmed Baryon Spectroscopy via the (π,D*-) reaction
Spokesperson: H. Noumi (RCNP-Osaka, Japan) [pdf file (2.0Mbytes)]
P49: Test for 250L Liquid Argon TPC
Contact person: T. Maruyama (KEK, Japan) [pdf file (1.1Mbytes)]
P48: Test of Aerogel Cherenkov counter for the J-PARC E36 experiment
Contact person: A. Toyoda (KEK, Japan) [pdf file (0.19Mbytes)]
P47: Test of Lead-glass EMC and GEM Tracker for the J-PARC E16 Experiment
Contact person: Y. Aramaki (RIKEN, Japan) [pdf file (0.26Mbytes)]

Proposals for the 15th PAC meeting, Fri 13 - Sat 15 July, 2012

LoI: γ-ray spectroscopy of a well deformed sd-shell nucleus: 25ΛMg
Contact person: T. Koike (Tohoku U., Japan) [pdf file (0.50Mbytes)]
P46: Proposal of a practice experiment using a hadron beam for EDIT 2013
Contact person: K. Ozawa (KEK, Japan) [pdf file (0.13Mbytes)]
P45: 3-Body Hadronic Reactions for New Aspects of Baryon Spectroscopy
Spokesperson: K.H. Hicks (Ohio U., USA), H. Sako (JAEA, Japan) [pdf file (2.6Mbytes)]
P44: Study of in-beam performance of Hyperball-J Ge detector units with the current beam structures at the K1.1BR beam line
Contact person: T. Koike (Tohoku U., Japan) [pdf file (1.3Mbytes)]
E31(revised): Spectroscopic study of hyperon resonances below KN threshold via the (K-,n) reaction on Deuteron
Spokesperson: H. Noumi (RCNP-Osaka, Japan) [pdf file (1.7Mbytes)]
E21: Experimental Proposal for Phase-I of the COMET Experiment at J-PARC
Contact person: Y. Kuno (Osaka U., Japan) [pdf file (22.5Mbytes)]

Proposals for the 14th PAC meeting, Fri 16 - Sat 17 March, 2012

Title and Spokesperson(s):
LoI: Letter of Intent for Phase-I of the COMET Experiment at J-PARC
Contact person: Y. Kuno(Osaka U., Japan) [pdf file (4.6Mbytes)]

Proposals for the 13th PAC meeting, Fri 13 - Sun 15 January, 2012

Title and Spokesperson(s):
P43: Test of Hadron Blind Detector and GEM Tracker for the J-PARC E16 Experiment
Contact person: K. Aoki (RIKEN, Japan) [pdf file (0.52Mbytes)]
P42: Search for H-Dibaryon with a Large Acceptance Hyperon Spectrometer
Spokesperson: J.K. Ahn (Pusan National U., Korea), Co-spokesperson: K. Imai (JAEA, Japan) [pdf file (2.2Mbytes)]

Proposals for the 12th PAC meeting, Fri 08 - Sun 10 July, 2011

Title and Spokesperson(s):
LoI: Search for H-Dibaryon with a Large Acceptance Hyperon Spectrometer
Contact persons: J.K. Ahn (Pusan National U., Korea), K. Imai (JAEA, Japan) [pdf file (2.0Mbytes)]

Proposals for the 11th PAC meeting, Fri 14 - Sun 16 January, 2011

Title and Spokesperson(s)
LoI: Search for K-pp Bound State by Stopped K- Absorption Reaction on 3He
Contact person: H. Fujioka (Kyoto U., Japan) [pdf file (1.1Mbytes)]
P41: Proposal of an Experimental Search for μ-e Conversion in Nuclear Field at Sensitivity of 10-14 with Pulsed Proton Beam from RCS
Contact person: M. Aoki (Osaka U., Japan) [pdf file (16.7Mbytes)]
P40: Measurement of the cross sections of Σ p scatterings
Spokesperson: K. Miwa (Tohoku U., Japan) [pdf file (2.0Mbytes)]

Proposals for the 10th PAC meeting, Fri 16 - Sun 18 July, 2010

Title and Spokesperson(s)
P39: A study of water Cherenkov detector for counting the number of neutrino at Near detector hall of J-PARC neutrino beam-line
Spokesperson: K. Sakashita (KEK, Japan) [pdf file (1.7Mbytes)]
P38: Proposal for Measuring Hadron Response at K1.1BR for KOTO Experiment
Contact person: H. Nanjo (Kyoto U., Japan) [pdf file (0.82Mbytes)]
P37: Test of TOP counter for B-factory upgrade
Contact person: K. Inami (Nagoya U., Japan) [pdf file (0.37Mbytes)]
P36: Measurement of Γ(K+→e+ν)/Γ(K+→μ+ν) and Search for heavy sterile neutrinos using the TREK detector system
Contact person: S. Shimizu (Osaka U., Japan) [pdf file (3.0Mbytes)]
P29(addendum): Study of in medium mass modification for the φ meson using φ meson bound state in nucleus
Spokesperson: H. Ohnishi (RIKEN, Japan) [pdf file (0.82Mbytes)]
P26(updated revised): Direct measurements of ω mass modification in A(π-,n)ω reaction and Ω→π0γ decays
Contact person: K. Ozawa (U. of Tokyo, Japan) [pdf file (6.2Mbytes)]
P02: The Study of Exotic Multiquark States with Λ-Hyperons and K0S-Mesons Systems at J-PARC
Contact person: P.Zh.Aslanyan (JINR, Russia)

Proposals for the 9th PAC meeting, Fri 15 - Sun 17 January, 2010

Title and Spokesperson(s)
LoI: Measurement of Γ(K+→e+ν)/Γ(K+→μ+ν) and Search for heavy sterile neutrinos at J-PARC
Corresponding author: S. Shimizu (Osaka U., Japan) [pdf file (0.32Mbytes)]
P35: A test experiment to measure sub-GeV flux in the on-axis direction at the J-PARC neutrino beam
Project leader: T. Kajita (ICRR, U. of Tokyo, Japan) [pdf file (0.78Mbytes)]
P34: An Experimental Proposal on a New Measurement of the Muon Anomalous Magnetic Moment g-2 and Electric Dipole Moment at J-PARC
Contact person: N. Saito (KEK, Japan), M. Iwasaki (RIKEN, Japan) [pdf file (4.1Mbytes)]
P33: Measurement of Neutron Electric Dipole Moment
Contact person: H. M. Shimizu (KEK, Japan) [pdf file (2.2Mbytes)]
P32: Towards a Long Baseline Neutrino and Nucleon Decay Experiment with a next-generation 100 kton Liquid Argon TPC detector at Okinoshima and an intensity upgraded J-PARC Neutrino beam
Contact person: A. Rubbia (ZTH Zurich, Switzerland) [pdf file (8.2Mbytes)]
P26(revised): Direct measurements of ω mass modification in A(π-,n)ω reaction and ω→&pi0γ decays
Contact person: K. Ozawa (U. of Tokyo, Japan) [pdf file (1.5Mbytes)]

Proposals for the 8th PAC meeting, Fri 17 - Sun 19 July, 2009

Title and Spokesperson(s)
LoI: Double Anti-kaon Production in Nuclei by Stopped Anti-proton Annihilation
Contact person: F. Sakuma (RIKEN, Japan) [pdf file (1.3Mbytes)]
LoI: New measurement of Muon Anomalous Magnetic Moment g-2 and Electric Dipole Moment at J-PARC
Contact person: N. Saito (KEK, Japan) [pdf file (0.90Mbytes)]
P31: Spectroscopic study of hyperon resonances below KN threshold via the (K-n) reaction on Deuteron
Spokesperson: H. Noumi (RCNP-Osaka, Japan) [pdf file (0.64Mbytes)]
P30: The investigation of Λ(1405) state via the d(K-stopped,n)Σπ0 reactions
Spokesperson: T. Suzuki (U. of Tokyo, Japan)
P29: Study of in medium mass modification for the φ meson using φ meson bound state in nucleus
Spokesperson: H. Ohnishi (RIKEN, Japan) [pdf file (0.69Mbytes)]
P28: Study of isospin dependence of kaon-nucleus interaction by in-flight 3He(K,n/p) reactions
Spokesperson: H. Fujioka (Kyoto U., Japan) [pdf file (0.84Mbytes)]
P27: Search for a nuclear Kbar bound state K-pp in the d(π+, K+) Reaction
Spokesperson: T. Nagae (Kyoto U., Japan) [pdf file (0.48Mbytes)]

Proposals for the 7th PAC meeting, Fri 06 - Sat 07 March, 2009

Title and Spokesperson(s)
P26: Direct measurements of ω mass modification in A(π-,n)ω reaction and ω→π0γ decays
Contact person: K. Ozawa (U. of Tokyo, Japan) [pdf file (0.98Mbytes)]

Proposals for the 6th PAC meeting, Thu 16 - Fri 17 October, 2008

Title and Spokesperson(s)
P25: Proposal for Extinction Measurement of J-PARC Proton Beam at K1.8BR
Contact person: S. Mihara (KEK) [pdf file (0.31Mbytes)]

Proposals for the 5th PAC meeting, Thu 05 - Sat 07 June, 2008

(No new proposal was submitted.)

Proposals for the 4th PAC meeting, Mon 07 - Wed 09 January, 2008

Title and Spokesperson(s)
LoI: Study of Σ-N interaction using light Σ-nuclear system
Contact person: H. Tamura (Tohoku U., Japan) [pdf file (0.11Mbytes)]
LoI: Gamma-ray spectroscopy of hypernuclei at K1.1
Contact person: H. Tamura (Tohoku U., Japan) [pdf file (0.09Mbytes)]
LoI: A Hyperon-Nucleon Scattering Experiment using a SCIFI-MPPC System
Contact person: K. Miwa (Tohoku U., Japan) [pdf file (1.4Mbytes)]
LoI: Search for Θ+ hypernuclei using (K+,p) reaction
Contact person: K. Tanida (Kyoto U., Japan)[pdf file (0.14Mbytes)]
LoI: Combined measurements of nuclear ω bound state and ω mass modification in p(π,n)ω reaction
Contact person: K. Ozawa (U. of Tokoyo, Japan) [pdf file (1.6Mbytes)]
LoI: A new approach to study the in-medium φ(1020)-meson mass
Contact person: M. Iwasaki (RIKEN, Japan) [pdf file (0.76Mbytes)]
P24: Polarized Proton Acceleration at J-PARC
Contact persons: Y. Goto (RIKEN), H. Sato (KEK) [pdf file (1.9Mbytes)]
P23: Analyzing power An and Ann in 30-50 GeV very-high-P⊥2 proton-proton elastic scattering
Spokesperson: A.D. Krisch (U. of Michigan, USA)
P21: An Experimental Search for lepton Flavor Violating μ--e- Conversion at Sensitivity of 10-16 with a Slow-Extracted Bunched Beam
Contact person: Y. Kuno (Osaka U., Japan) [pdf file (3.4Mbytes)]

Proposals for the 3rd PAC meeting, Fri 06 - Sat 07 July, 2007

Title and Spokesperson(s)
LoI: Spectroscopy of η Mesic Nuclei by (π-, n) Reaction at Recoilless Kinematics
Contact person: K. Itahashi (RIKEN, Japan) [pdf file (0.56Mbytes)]
LoI: A letter of intent to extend T2K with a detector 2 km away from the JPARC neutrino source
Contact person: T. Kajita (ICRR, U. of Tokyo, Japan) [pdf file (0.81Mbytes)]

Proposals for the 2nd PAC meeting, Wed 10 - Fri 12 January, 2007

Title and Spokesperson(s)
P22: Exclusive Study on the ΛN Weak Interaction in A=4 Λ-Hypernuclei
Spokesperson: A. Sakaguchi (Osaka U., Japan) [pdf file (0.67Mbytes)]
P21-LoI: Letter of Intent, An Experimental Search for A μ--e- Conversion at a Sensitivity of 10-16 with a Slow-Extracted Bunched Beam
Contact person: Y. Kuno (Osaka U., Japan) [pdf file (4.9Mbytes)]
P10(revised): Production of Nuetron-Rich Λ-Hypernuclei with the Double Charge-Exchange Reactions
Spokesperson: A. Sakaguchi (Osaka U., Japan) [pdf file (0.58Mbytes)]

Proposals for the 1st PAC meeting, Fri 30 June - Sun 02 July, 2006

Title and Spokesperson(s)
P20-LoI: Letter of Intent, An Experimental Search for A μ--e- Conversion at Sensitivity of the Order of 10-18with a Highly Intense Muon Source: PRISM
Contact person: Y. Kuno (Osaka U., Japan) [pdf file (7.8Mbytes)]
P19: High-resolution Search for Θ+ Pentaquark in π-p → K-X Reactions
Contact person: M. Naruki (RIKEN, Japan) [pdf file (0.61Mbytes)]
P18: Coincidence Measurement of the Weak Decay of 12ΛC and the three-body weak interaction process
Contact persons: H. Bhang (Seoul National U., Korea), H. Outa (RIKEN, Japan), and H. Park (KRISS, Korea) [pdf file (1.8Mbytes)]
P17: Precision spectroscopy of Kaonic Helium 3 3d → 2p X-rays
Spokesperson: R.S. Hayano (U. of Tokyo, Japan) [pdf file (0.68Mbytes)]
P16: Electron pair spectrometer at the J-PARC 50-GeV PS to explore the chiral symmetry in QCD
Spokesperson: S. Yokkaichi (RIKEN, Japan) [pdf file (2.0Mbytes)]
P15: A search for deeply-bound kaonic nuclear states by in-flight 3He(K-,n) reaction
Spokespersons: M.Iwasaki (RIKEN, Japan), T. Nagae (KEK, Japan) [pdf file (0.52Mbytes)]
P14: Proposal for K0L→π0νν Experiment at J-PARC
Spokesperson: T. Yamanaka (Osaka U., Japan) [pdf file (3.4Mbytes)]
P13: Gamma-ray spectroscopy of light hypernuclei
Spokesperson: H. Tamura (Tohoku U., Japan) [pdf file (0.92Mbytes)]
P12-LoI: Letter of Intent to J-PARC PAC for Study of Parton Distribution Function of Mesons vis Drell-Yan Process at J-PARC at High-p beamline
Spokesperson: S. Choi (Seoul National U. Korea) [pdf file (0.06Mbytes)]
P11: Tokai-to-Kamioka (T2K) Long Baseline Neutrino Oscillation Experiment Proposal
Contact person: K. Nishikawa (KEK, Japan) [pdf file (3.4Mbytes)]
P10: Study on Λ-Hypernuclei with the Charge-Exchange Reactions
Spokesperson: A. Sakaguchi (Osaka U., Japan) [pdf file (0.70Mbytes)]
P09-LoI: Letter of Intent for Study of Exotic Hadrons with S=+1 and Rare Decay K+→π+νν with Low-momentum Kaon Beam at J-PARC
Contact person: T. Nakano (RCNP-Osaka U., Japan) [pdf file (2.1Mbytes)]
P08: Pion double charge exchange on oxygen at J-PARC
Spokesperson: A.P.Krutenkova (ITEP, Russia) [pdf file (0.20Mbytes)]
P07: Systematic Study of Double Strangeness System with an Emulsion-Counter Hybrid Method
Spokespersons: K. Imai (Kyoto U., Japan), K. Nakazawa (Gifu U., Japan), H. Tamura (Tohoku U., Japan) [pdf file (0.95Mbytes)]
P06: Measurement of T-violating Transverse Muon Polarization in K+→π0μ+ν Decays
Spokesperson: J. Imazato (KEK, Japan) [pdf file (2.9Mbytes)]
P05: Spectroscopic Study of Ξ-Hypernucleus, 12ΞBe, via the 12C(K-,K+) Reaction
Spokesperson: T. Nagae (KEK, Japan) [pdf file (1.6Mbytes)]
P04: Measurement of High-Mass Dimuon Production at the 50-GeV Proton Synchrotron
Spokespersons: J.C. Peng (U. Illinois, USA), S. Sawada (KEK, Japan) [pdf file (0.82Mbytes)]
P03: Measurement of X rays from Ξ- Atom
Spokesperson: K. Tanida (Kyoto U., Japan) [pdf file (0.55Mbytes)]
P01: Proposal on measurements of the spin rotation parameters A and R at the J-PARC in the resonance region of the πN-elastic scattering
Spokesperson: V.V.Sumachev (PNPI, Russia)

Call for Proposals (November 2005)