119 citations · 588 across the 29 of their papers we have counts for
31 papers
Response to the He interpretation of MAMI's recent determination of H)
Ryoko Kino, Patrick Achenbach, Pascal Klag +5
We respond to the recent suggestion by A. Gal [arXiv:2604.18259] that the sharp pion-momentum peak at ~MeV/ observed in our $^7\mathrm{Li}(e,e^\prime K^+)…
Precise measurement of the -binding energy difference between H and H via decay-pion spectroscopy at MAMI
Ryoko Kino, Sho Nagao, Patrick Achenbach +31
We performed high-precision decay-pion spectroscopy of light hypernuclei at the Mainz Microtron (MAMI) using the A1 spectrometer facility. By measuring the monochromatic …
Backward-angle electroproduction of mesons off protons at and
T. Akiyama, P. Bydžovský, T. Gogami +83
The electroproduction of mesons from a target at , and $\cos θ^{\text{CM}}_{γ^{*}η'} \approx…
Measurement of Polarization in the Reaction at GeV/ toward a New Scattering Experiment
PARC E40 Collaboration, T. Sakao, K. Miwa +69
This paper presents high-precision experimental data of the polarization of the hyperon in the reaction, measured in the angular range $0.6<\cos θ^{CM}_{K0…
Measurement of ground state energy in an electron scattering experiment at MAMI-A1
Tianhao Shao, Jinhui Chen, Josef Pochodzalla +28
For the first time the neutron-rich hydrogen isotope was produced in an electron scattering experiment in the reaction using the spectrom…
Development of a real-time beam profile monitor for GeV photons and its application in accelerator facilities
Ryoko Kino, Sho Nagao, Takeru Akiyama +15
A real-time beam profile monitoring system is proposed for GeV photon beams at the BM4 beamline of the Mikamine site, Research Center for Accelerator and Radioisotope Science (RARi…
Inclusive studies of two- and three-nucleon short-range correlations in H and He
S. Li, S. N. Santiesteban, J. Arrington +113
Inclusive electron scattering at carefully chosen kinematics can isolate scattering from the high-momentum nucleons in short-range correlations (SRCs). SRCs are produced by the har…
Electroproduction of the Lambda/Sigma^0 hyperons at Q^2~0.5 (GeV/c)^2 at forward angles
K. Okuyama, K. Itabashi, S. Nagao +83
In 2018, the E12-17-003 experiment was conducted at the Thomas Jefferson National Accelerator Facility (JLab) to explore the possible existence of an nnLambda state in the reconstr…
A novel measurement of the neutron magnetic form factor from A=3 mirror nuclei
S. N. Santiesteban, S. Li, D. Abrams +103
The electromagnetic form factors of the proton and neutron encode information on the spatial structure of their charge and magnetization distributions. While measurements of the pr…
High accuracy synchrotron radiation interferometry with relativistic electrons
P. Klag, P. Achenbach, T. Akiyama +28
A high-precision hypernuclear experiment has been performed at the Mainz Microtron (MAMI) to determine the hypertriton Λ binding energy via decay-pion spectroscopy. A key element o…
Revealing the short-range structure of the "mirror nuclei" H and He
S. Li, R. Cruz-Torres, N. Santiesteban +113
When protons and neutrons (nucleons) are bound into atomic nuclei, they are close enough together to feel significant attraction, or repulsion, from the strong, short-distance part…
Measurement of differential cross sections for elastic scattering in the momentum range 0.44-0.80 GeV/c
PARC E40 Collaboration, T. Nanamura, K. Miwa +69
We performed a novel scattering experiment at the J-PARC Hadron Experimental Facility. Approximately 2400 elastic scattering events were identified from $4.9 \times…
Systematic treatment of hypernuclear data and application to the hypertriton
P. Eckert, P. Achenbach, M. Aragones Fontbote +26
A database is under construction to provide a complete collection of published basic properties of hypernuclei such as Λ binding energies, lifetimes, or excitation energies. From t…
Precise measurement of differential cross sections of the Σ-p --> Λ n reaction in momentum range 470-650 MeV/c
PARC E40 Collaboration, K. Miwa, J. K. Ahn +69
The differential cross sections of the Σ-p --> Λ n reaction were measured accurately for the Σ- momentum (p_{Σ}) ranging from 470 to 650 MeV/c at the J-PARC Hadron Experimental Fac…
Extension of the J-PARC Hadron Experimental Facility: Third White Paper
Kazuya Aoki, Hiroyuki Fujioka, Toshiyuki Gogami +40
The J-PARC Hadron Experimental Facility was constructed with an aim to explore the origin and evolution of matter in the universe through the experiments with intense particle beam…
The cross-section measurement for the reaction
K. N. Suzuki, T. Gogami, B. Pandey +80
The small binding energy of the hypertrition leads to predictions of non-existence of bound hypernuclei for isotriplet three-body systems such as . However, invariant mass spe…
Measurement of the differential cross sections of the Sigma-p elastic scattering in momentum range of 470 to 850 MeV/c
PARC E40 Collaboration, K. Miwa, J. K. Ahn +69
A high statistics scattering experiment has been performed at the J-PARC Hadron Experimental Facility. Data for momentum-tagged running in a liquid hydrogen target wer…
Spectroscopy of hyperlithium by the reaction
T. Gogami, C. Chen, D. Kawama +84
Missing mass spectroscopy with the reaction was performed at Jefferson Laboratory's Hall C for the neutron rich hypernucleus . The ground…
Precision beam energy measurement by undulator radiation at MAMI
P. Klag, P. Achenbach, M. Biroth +10
A novel interferometric method for absolute beam energy measurement is under development at MAMI. At the moment, the method is tested and optimized at an energy of 195 MeV. Despite…
Novel optical interferometry of synchrotron radiation for absolute electron beam energy measurements
P. Klag, P. Achenbach, M. Biroth +10
A novel interferometric method is presented for the measurement of the absolute energy of electron beams. In the year 2016, a pioneering experiment was performed using a 195 MeV be…
Spectroscopy of the neutron-rich hypernucleus He from electron scattering
T. Gogami, C. Chen, D. Kawama +83
The missing mass spectroscopy of the He hypernucleus was performed, using the LiHe reaction at the Thomas Jefferson National Accelerator Fa…
High Resolution Spectroscopic Study of Be
T. Gogami, C. Chen, D. Kawama +83
Spectroscopy of a Be hypernucleus was carried out at JLab Hall C using the reaction. A new magnetic spectrometer system (SPL+HES+HKS), specifically d…
Observation of Spin-Dependent Charge Symmetry Breaking in Interaction: Gamma-Ray Spectroscopy of He
T. O. Yamamoto, M. Agnello, Y. Akazawa +51
The energy spacing between the ground-state spin doublet of He(1,0) was determined to be keV, by measuring rays for the transitio…
Observation of Lambda H-4 hyperhydrogen by decay-pion spectroscopy in electron scattering
A. Esser, S. Nagao, F. Schulz +38
At the Mainz Microtron MAMI, the first high-resolution pion spectroscopy from decays of strange systems was performed by electron scattering off a Be-9 target in order to study the…