Korea Research Institute of Standards and Science

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19992026

most citedOptical Separation of Mechanical Strain from Charge Doping in Graphene

1.1k citations

researchers with a paper here

Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

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24 papers · 1 filter

nucl-ex2022★ 1 cited

Search for neutrinoless quadruple beta decay of $^{136}$ Xe in XMASS-I

XMASS Collaboration, K. Abe, K. Hiraide +34

A search for the neutrinoless quadruple beta decay of $^{136}$ Xe was conducted with the liquid-xenon detector XMASS-I using $327 kg \times 800.0 days$ of the exposure. The…

nucl-ex2021★ 51 cited

First observation of a nuclear $s$ -state of $Ξ$ hypernucleus, $_{Ξ}^{15} C$

M. Yoshimoto, J. K. Ahn, B. Bassalleck +46

Bound-systems of $Ξ^{-}$ -- $_{14} N$ are studied via $Ξ^{-}$ capture at rest followed by emission of a twin single- $Λ$ hypernucleus in the emulsion detectors. Two events forming…

nucl-ex2021★ 18 cited

Neutron background measurement for rare event search experiments in the YangYang Underground Laboratory

Young Soo Yoon, Jungho Kim, Hyeonseo Park

Several experiments have been conducted in the YangYang Underground Laboratory in the Republic of Korea such as the search for dark matter and the search for neutrinoless double-be…

nucl-ex2020★ 72 cited

Observation of Coulomb-assisted nuclear bound state of $Ξ^{-}$ - $^{14}$ N system

S. H. Hayakawa, K. Agari, J. K. Ahn +95

In an emulsion-counter hybrid experiment performed at J-PARC, a $Ξ^{-}$ absorption event was observed which decayed into twin single- $Λ$ hypernuclei. Kinematic calculations enabled a…

nucl-ex2018★ 55 cited

Observation of a Be double-Lambda hypernucleus in the J-PARC E07 experiment

H. Ekawa, K. Agari, J. K. Ahn +100

A double- $Λ$ hypernucleus, $_{ΛΛ} Be$ , was observed by the J-PARC E07 collaboration in nuclear emulsions tagged by the $(K^{-}, K^{+})$ reaction. This event was interprete…

nucl-ex2018★ 22 cited

How different is the core of $^{25}$ F from $^{24}$ O $_{g . s .}$ ?

T. L. Tang, T. Uesaka, S. Kawase +43

The neutron-shell structure of $^{25}$ F was studied using quasi-free (p,2p) knockout reaction at 270A MeV in inverse kinematics. The sum of spectroscopic factors of $π$ 0d $_{5/2}$ o…

nucl-ex2018★ 9 cited

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

Differential cross sections and photon-beam asymmetries for the gamma p -> pi- Delta++(1232) reaction have been measured for 0.7<cos(theta)<1 and Egamma=1.5-2.95 GeV at SPring-8/LE…

nucl-ex2018★ 25 cited

Improved search for two-neutrino double electron capture on $^{124}$ Xe and $^{126}$ Xe using particle identification in XMASS-I

XMASS Collaboration, K. Abe, K. Hiraide +39

We conducted an improved search for the simultaneous capture of two $K$ -shell electrons on the $^{124}$ Xe and $^{126}$ Xe nuclei with emission of two neutrinos using 800.0 days of d…

nucl-ex2017★ 19 cited

First Determination of Level Structure of an $s d$ -Shell Hypernucleus, $_{Λ}^{19} F$

S. B. Yang, J. K. Ahn, Y. Akazawa +45

We report on the first observation of $γ$ rays emitted from an $s d$ -shell hypernucleus, $_{Λ}^{19} F$ . The energy spacing between the ground state doublet, $1/ 2^{+}$ and $3/ 2^{+}$ …

nucl-ex2017★ 21 cited

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

We report the measurement of the $γ p \to K^{+} Λ$ and $γ p \to K^{+} Σ^{0}$ reactions at SPring-8. The differential cross sections and photon-beam asymmetries are meas…

nucl-ex2017★ 17 cited

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

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

The differential cross sections and decay angular distributions for coherent $ϕ$ -meson photoproduction from helium-4 have been measured for the first time at forward angles with li…

nucl-ex2017★ 17 cited

$ϕ$ photoproduction on the proton at $E_{γ}$ = 1.5 - 2.9 GeV

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

Differential cross sections at $t = t_{min}$ and decay asymmetries for the $γ p \to ϕp$ reaction have been measured using linearly polarized photons in the range 1.5 to 2…

nucl-ex2017★ 12 cited

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

Differential cross sections and photon beam asymmetries for the gamma p -> pi+ n reaction have been measured for 0.6<cos(theta)<1 and Egamma=1.5-2.95 GeV at SPring-8/LEPS. The cros…

nucl-ex2017★ 18 cited

Missing-mass spectroscopy with the $^{6}$ Li( $π^{-}, K^{+}$ )X reaction to search for $_{Λ}^{6}$ H

R. Honda, M. Agnello, J. K. Ahn +63

We searched for the bound state of the neutron-rich $Λ$ -hypernucleus $_{Λ}^{6}$ H, using the $^{6}$ Li( $π^{-}, K^{+}$ )X double charge-exchange reaction at a $π^{-}$ beam momentum o…

nucl-ex2016★ 21 cited

Interference effect between $ϕ$ and $Λ (1520)$ production channels in the $γ p \to K^{+} K^{-} p$ reaction near threshold

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

The $ϕ$ - $Λ (1520)$ interference effect in the $γ p \to K^{+} K^{-} p$ reaction has been measured for the first time in the energy range from 1.673 to 2.173 GeV. The relative phases between…

nucl-ex2015★ 16 cited

Search for two-neutrino double electron capture on $^{124}$ Xe with the XMASS-I detector

XMASS Collaboration, K. Abe, K. Hiraide +40

Double electron capture is a rare nuclear decay process in which two orbital electrons are captured simultaneously in the same nucleus. Measurement of its two-neutrino mode would p…

nucl-ex2007★ 44 cited

$Λ d$ correlations from the $^{4}$ He(stopped- $K^{-}$ , $d$ ) reaction

T. Suzuki, H. Bhang, J. Chiba +23

We have observed an intense high-energy component in an inclusive $^{4}$ He(stopped $K^{-}$ , $d$ ) spectrum. For back-to-back $Λ d$ pairs a prominent event cluster has been found just bel…

nucl-ex2006★ 52 cited

Coincidence Measurement of the Nonmesonic Weak Decay of ^{12}_{Lambda}C

M. J. Kim, S. Ajimura, K. Aoki +31

We have measured the angular correlation of the pair nucleons np and nn emitted from the nonmesonic weak decay (NMWD) of ^{12}_{Lambda}C produced via the (pi^+,K^+) reaction in coi…

nucl-ex2005★ 70 cited

Measurement of the Xi-p Scattering Cross Sections at Low Energy

J. K. Ahn, S. Aoki, K. S. Chung +34

In this paper we report cross-section measurements for $Ξ^{-} p$ elastic and inelastic scatterings at low energy using a scintillating fiber active target. Upper limit on the total cr…

nucl-ex2004★ 5 cited

Nucleon-nucleon coincidence measurement in the non-mesonic weak decay of 5_Lambda-He and 12_Lambda-C hypernuclei

S. Okada, S. Ajimura, K. Aoki +30

We have measured both yields of neutron-proton and neutron-neutron pairs emitted from the non-mesonic weak decay process of 5_Lambda-He and 12_Lambda-C hypernuclei produced via the…

nucl-ex2004★ 56 cited

Neutron and proton energy spectra from the non-mesonic weak decays of 5_Lambda-He and 12_Lambda-C

S. Okada, S. Ajimura, K. Aoki +30

We have simultaneously measured the energy spectra of neutrons and protons emitted in the non-mesonic weak decays of 5_Lambda-He and 12_Lambda-C hypernuclei produced via the (pi^+,…

nucl-ex2004★ 26 cited

Measurement of the $π^{-}$ decay width of $_{Λ}^{5}$ He

S. Kameoka, S. Ajimura, K. Aoki +30

We have precisely measured $Λ \to p π^{-}$ decay width of \5LHe and demonstrated significantly larger $α$ - $Λ$ overlap than expected from the central repulsion $α$ - $Λ$ potential, which…

nucl-ex2004★ 19 cited

pi^0 decay branching ratios of 5_Lambda-He and 12_Lambda-C hypernuclei

S. Okada, S. Ajimura, K. Aoki +30

We precisely measured pi^0 branching ratios of 5_Lambda-He and 12_Lambda-C hypernuclei produced via (pi^+,k^+) reaction. Using these pi^0 branching ratios with the pi^- branching r…

nucl-ex2004★ 17 cited

Proton asymmetry in non-mesonic weak decay of light hypernuclei

T. Maruta, S. Ajimura, K. Aoki +30

We have obtained the decay asymmetry parameters in non-mesonic weak decay of polarized Lambda-hypernuclei by measuring the proton asymmetry. The polarized Lambda-hypernuclei, 5_Lam…

Search for neutrinoless quadruple beta decay of 136Xe in XMASS-I

First observation of a nuclear s-state of Ξ hypernucleus, Ξ15​C

Neutron background measurement for rare event search experiments in the YangYang Underground Laboratory

Observation of Coulomb-assisted nuclear bound state of Ξ−-14N system

Observation of a Be double-Lambda hypernucleus in the J-PARC E07 experiment

How different is the core of 25F from 24Og.s.​?

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

Improved search for two-neutrino double electron capture on 124Xe and 126Xe using particle identification in XMASS-I

First Determination of Level Structure of an sd-Shell Hypernucleus, Λ19​F

Photoproduction of Λ and Σ0 hyperons off protons with linearly polarized photons at Eγ​=1.5−3.0 GeV

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

ϕ photoproduction on the proton at Eγ​ = 1.5 - 2.9 GeV

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

Missing-mass spectroscopy with the 6Li(π−,K+)X reaction to search for Λ6​H

Interference effect between ϕ and Λ(1520) production channels in the γp→K+K−p reaction near threshold

Search for two-neutrino double electron capture on 124Xe with the XMASS-I detector

Λd correlations from the 4He(stopped-K−,d) reaction

Coincidence Measurement of the Nonmesonic Weak Decay of ^{12}_{Lambda}C

Measurement of the Xi-p Scattering Cross Sections at Low Energy

Nucleon-nucleon coincidence measurement in the non-mesonic weak decay of 5_Lambda-He and 12_Lambda-C hypernuclei

Neutron and proton energy spectra from the non-mesonic weak decays of 5_Lambda-He and 12_Lambda-C

Measurement of the π− decay width of Λ5​He

pi^0 decay branching ratios of 5_Lambda-He and 12_Lambda-C hypernuclei

Proton asymmetry in non-mesonic weak decay of light hypernuclei

Search for neutrinoless quadruple beta decay of $^{136}$ Xe in XMASS-I

First observation of a nuclear $s$ -state of $Ξ$ hypernucleus, $_{Ξ}^{15} C$

Observation of Coulomb-assisted nuclear bound state of $Ξ^{-}$ - $^{14}$ N system

How different is the core of $^{25}$ F from $^{24}$ O $_{g . s .}$ ?

Improved search for two-neutrino double electron capture on $^{124}$ Xe and $^{126}$ Xe using particle identification in XMASS-I

First Determination of Level Structure of an $s d$ -Shell Hypernucleus, $_{Λ}^{19} F$

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

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

$ϕ$ photoproduction on the proton at $E_{γ}$ = 1.5 - 2.9 GeV

Missing-mass spectroscopy with the $^{6}$ Li( $π^{-}, K^{+}$ )X reaction to search for $_{Λ}^{6}$ H

Interference effect between $ϕ$ and $Λ (1520)$ production channels in the $γ p \to K^{+} K^{-} p$ reaction near threshold

Search for two-neutrino double electron capture on $^{124}$ Xe with the XMASS-I detector

$Λ d$ correlations from the $^{4}$ He(stopped- $K^{-}$ , $d$ ) reaction

Measurement of the $π^{-}$ decay width of $_{Λ}^{5}$ He