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Publications (34)

nucl-ex2026

Evidence for a $\bar{K}NN$ quasi-bound state in the $γd \to K^0Λp$ reaction

R. Kobayakawa, J. K. Ahn, S. Ajimura +34

The authors measured the γd → K⁰Λp reaction with the LEPS2 spectrometer and observed a localized enhancement below the K⁻pp threshold, which they interpret as evidence for a K̄NN q…

#kaon-nucleon interactions#photoproduction#few-body systems#quasi-bound states
nucl-ex2016

Interference effect between $ϕ$ and $Λ(1520)$ production channels in the $γp \rightarrow K^+K^-p$ reaction near threshold

S. Y. Ryu, J. K. Ahn, T. Nakano +69

nucl-ex2018

Differential cross section and photon beam asymmetry for the gamma p -> pi+ n reaction at forward pi+ angles at Egamma=1.5-2.95 GeV

H. Kohri, S. Y. Wang, S. H. Shiu +46

nucl-ex2005

Diffractive $ϕ$-meson photoproduction on proton near threshold

T. Mibe, W. C. Chang, T. Nakano +52

nucl-ex2016

An event mixing technique for Bose-Einstein correlations of two pions in photoproduction around 1 GeV

Qing-Hua He, H. Fujimura, H. Fukasawa +32

nucl-ex2018

Non-strange Dibaryon Resonances Observed in the $γd\to π^0π^0 d$ Reaction

T. Ishikawa, H. Fujimura, H. Fukasawa +34

nucl-ex2022

Coherent photoproduction of the neutral pion and eta meson on the deuteron at incident energies below 1.15 GeV

T. Ishikawa, A. Fix, H. Fujimura +35

nucl-ex2009

Near-threshold photoproduction of $Λ(1520)$ from protons and deuterons

LEPS Collaboration, N. Muramatsu, J. Y. Chen +53

nucl-ex2013

Backward-angle photoproduction of $ω$ and $η'$ mesons from protons at $E_γ=1.5-3.0$ GeV

Y. Morino, Y. Nakatsugawa, M. Yosoi +47

nucl-ex2026

Comprehensive measurement of $η^\prime$ photoproduction off the proton at $E_γ< 2.4$ $\mathrm{GeV}$

N. Muramatsu, J. K. Ahn, W. C. Chang +61

nucl-ex2013

Search for $K^-pp$ bound state via $γd \rightarrow K^+ π^-X$ reaction at $E_γ=1.5-2.4$ GeV

A. O. Tokiyasu, M. Niiyama, J. D. Parker +69

nucl-ex2007

Backward-angle photoproduction of $π^0$ mesons on the proton at $E_γ$ = 1.5--2.4 GeV

M. Sumihama, J. K. Ahn, H. Akimune +46

hep-ex2025

Prospects for Pentaquark Baryon Search with the Upgraded LEPS2 Facility

T. Nakano, S. Ajimura, Y. Asano +33

nucl-ex2022

Differential cross sections and photon beam asymmetries of $η$ photoproduction on the proton at $E_γ$ = 1.3-2.4 GeV

T. Hashimoto, T. Nam, N. Muramatsu +57

nucl-ex2019

$ωN$ scattering length from $ω$ photoproduction on the proton near the threshold

T. Ishikawa, H. Fujimura, H. Fukasawa +35

nucl-ex2021

Resonance-like structure near the $ηd$ threshold in the $γ{d}${$\to$}$π^0η{d}$ reaction

T. Ishikawa, H. Fujimura, H. Fukasawa +34

nucl-ex2017

$ϕ$ photoproduction on the proton at $E_γ$ = 1.5 - 2.9 GeV

K. Mizutani, M. Niiyama, T. Nakano +53

nucl-ex2008

Evidence of the Θ^+ in the γd \to K^+K^-pn reaction

T. Nakano, N. Muramatsu, D. S. Ahn +53

hep-ex2008

Photoproduction of Lambda(1405) and Sigma^{0}(1385) on the proton at E_γ= 1.5-2.4 GeV

M. Niiyama, H. Fujimura, D. S. Ahn +37

nucl-ex2018

First measurement of coherent $ϕ$-meson photoproduction from helium-4 near threshold

LEPS Collaboration, T. Hiraiwa, M. Yosoi +42

nucl-ex2010

Measurement of the incoherent $γd \to ϕp n$ photoproduction near threshold

W. C. Chang, M. Miyabe, T. Nakano +52

hep-ex2010

Near-threshold Lambda(1520) production by the gamma p -> K+Lambda(1520) reaction at forward K+ angles

H. Kohri, D. S. Ahn, J. K. Ahn +36

hep-ex2006

Differential cross section and photon beam asymmetry for the gamma n -> K+ Sigma- reaction at Egamma=1.5-2.4 GeV

H. Kohri, D. S. Ahn, J. K. Ahn +44

nucl-ex2018

Differential cross section and photon-beam asymmetry for the gamma p -> pi- Delta++(1232) reaction at forward pi- angles for Egamma=1.5-2.95 GeV

H. Kohri, S. H. Shiu, W. C. Chang +46

nucl-ex2008

Forward coherent $ϕ$-meson photoproduction from deuterons near threshold

W. C. Chang, K. Horie, S. Shimizu +57

nucl-ex2018

Photoproduction of $Λ$ and $Σ^{0}$ hyperons off protons with linearly polarized photons at $E_γ = 1.5-3.0$ GeV

S. H. Shiu, H. Kohri, W. C. Chang +42

nucl-ex2010

Measurement of Spin-Density Matrix Elements for $ϕ$-Meson Photoproduction from Protons and Deuterons Near Threshold

W. C. Chang, D. S. Ahn, J. K. Ahn +53

nucl-ex2003

Beam polarization asymmetries for the p(gamma,K+)Lambda and p(gamma,K+)Sigma0 reactions at Egamma=1.5-2.4 GeV

LEPS Collaboration, R. G. T. Zegers, M. Sumihama +50

nucl-ex2017

A study of event mixing for two-pion Bose-Einstein correlations in the γp -> π^0 π^0 p reaction

Q. He, J. Ai, T. Ishikawa +10

physics.acc-ph2021

SPring-8 LEPS2 beamline: A facility to produce a multi-GeV photon beam via laser Compton scattering

N. Muramatsu, M. Yosoi, T. Yorita +48

nucl-ex2009

Backward-angle photoproduction of eta meson from protons at E_gamma = 1.6 - 2.4 GeV

M. Sumihama, D. S. Ahn, J. K. Ahn +48

nucl-ex2020

Search for $η'$ bound nuclei in the $^{12}{\rm C}(γ,p)$ reaction with simultaneous detection of decay products

N. Tomida, N. Muramatsu, M. Niiyama +60

nucl-ex2004

phi photo-production from Li, C, Al, and Cu nuclei at Egamma=1.5 - 2.4 GeV

T. Ishikawa, D. S. Ahn, J. K. Ahn +39

nucl-ex2017

First measurement of coherent double neutral-pion photoproduction on the deuteron at incident energies below 0.9 GeV

T. Ishikawa, H. Fujimura, H. Fukasawa +33