| E03 | K.Tanida | SNU | Measurement of X rays from X- Atom | Stage 2 | K1.8 | preparation |
| E05 | T.Nagae | Kyoto U | Spectroscopic Study of X-Hypernucleus, 12XBe, via the 12C(K-, K+) Reaction | Stage 2 | K1.8 | preparation |
| E06 | J.Imazato | KEK | Measurement of T-violating Transverse Muon Polarization in K+ ->π0µ+n Decays | Stage 1 | K1.1BR | |
| E07 | K.Imai, K.Nakazawa, H.Tamura | JAEA, Gifu U, Tohoku U | Systematic Study of Double Strangeness System with an Emulsion-counter Hybrid Method | Stage 2 | K1.8 | preparation |
| E08 | A.Krutenkova | ITEP | Pion double charge exchange on oxygen at J-PARC | Stage 1 | K1.8 | |
| E10 | A.Sakaguchi, T.Fukuda | Osaka U | Production of Nuetron-Rich Λ-Hypernuclei with the Double Charge-Exchange Reactions | Stage 2 | K1.8 | preparation |
| E11 | T.Kobayashi | KEK | Tokai-to-Kamioka (T2K) Long Baseline Neutrino Oscillation Experimental Proposal | Stage 2 | neutrino | data taking |
| E13 | H.Tamura | Tohoku U | Gamma-ray spectroscopy of light hypernuclei | Stage 2 | K1.8 | preparation |
| E14 | T.Yamanaka | Osaka U | Proposal for KL -> p0 n n-bar Experiment at J-PARC | Stage 2 | KL | beamline tuning |
| E15 | M.Iwasaki, T.Nagae | RIKEN, Kyoto U | A Search for deeply-bound kaonic nuclear states by in-flight 3He(K-, n) reaction | Stage 2 | K1.8BR | preparation |
| E16 | S.Yokkaichi | RIKEN | Electron pair spectrometer at the J-PARC 50-GeV PS to explore the chiral symmetry in QCD | Stage 1 | high p | |
| E17 | R.Hayano, H.Outa | U Tokyo, RIKEN | Precision spectroscopy of Kaonic 3He 3d->2p X-rays | Stage 2 | K1.8BR | beamline tuning |
| E18 | H.Bhang, H.Outa, H.Park | SNU, RIKEN, KRISS | Coincidence Measurement of the Weak Decay of 12LC and the three-body weak interaction process | Stage 2 | K1.8 | preparation |
| E19 | M.Naruki | KEK | High-resolution Search for Q+ Pentaquark in p-p -> K-X Reactions | Stage 2 | K1.8 | data taking |
| E21 | Y.Kuno | Osaka U | An Experimental Search for Lepton Flavor Violating µ−−e− Conversion at Sensitivity of 10−16 with a Slow-Extracted Bunched Proton Beam | Stage 1 | new beamline | |
| E22 | S. Ajimura, A.Sakaguchi | Osaka U | Exclusive Study on the Lambda-N Weak Interaction in A=4 Lambda-Hypernuclei (Revised from Initial P10) | Stage 1 | K1.8 | |
| E26 | K. Ozawa | KEK | Search for ω-meson nuclear bound states in the π-+AZ -> n+(A-1)(Z-1) ω reaction, and for ω mass modification in the in-medium ω->π0γ decay. | Stage 1 | K1.8 | |
| E27 | T. Nagae | Kyoto U | Search for a nuclear Kbar bound state K-pp in the d(π+,K+) reaction | Stage 2 | K1.8 | preparation |
| P28 | H. Fujioka | Kyoto U | Study of isospin dependence of kaon-nucleus interaction by in-flight 3He(K- ,n/p) reactions |
approved as apart of E15 | K1.8BR | |
| E29 | H. Ohnishi | RIKEN | Search for φ-meson nuclear bound states in the pbar + Z -> φ + φ(Z-1) reaction | Stage 1 | K1.1 | |
| E31 | H. Noumi | RCNP, Osaka U | Spectroscopic study of hyperon resonances below KN threshold via the (K- ,n) reaction on Deuteron | Stage 1 | K1.8BR | |
| E40 | K.Miwa | Tohoku U | Measurement of the cross sections of Σp scatterings | Stage 1 | K1.8 |
| T25 | S. Mihara | KEK | Extinction Measurement of J-PARC Proton Beam at K1.8BR | Test experiment | K1.1BR | data taking |
| T32 | A. Rubba | ETH, Zurich | 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 | Test experiment | K1.1BR | data taking |
| P35 | T. Kajita | ICRR, Tokyo | A test experiment to measure sub-GeV flux in the on-axis direction at the J-PARC neutrino beam | to be decided by E11 & Lab | neutrino | |
| T37 | K. Inami | Nagoya U | Test of TOP counter for B-factory upgrade | Test experiment | K1.1BR | withdrawn |
| T38 | H. Nanjo | Kyoto U | Proposal for Measuring Hadron Response at K1.1BR for KOTO Experiment | Test experiment | K1.1BR | completed |
| P39 | K. Sakashita | KEK | A study of water Cherenkov detector for counting the number of neutrino at Near detector hall of J-PARC neutrino beam-line | to be decided by E11 & Lab | neutrino |