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Publications (17)

nucl-ex2020

Observation of a $K ˉ N N$ bound state in the $^{3} He (K^{-}, I^ p) n$ reaction

T. Yamaga, S. Ajimura, H. Asano +66

We have performed an exclusive measurement of the $K^{-} +^{3} He \to I^ p n$ reaction at an incident kaon momentum of $1 GeV / c$ .In the $I^ p$ invariant mass spectrum,…

physics.ins-det2009

Technical Design Report for the PANDA Solenoid and Dipole Spectrometer Magnets

The PANDA Collaboration, W. Erni, I. Keshelashvili +407

This document is the Technical Design Report covering the two large spectrometer magnets of the PANDA detector set-up. It shows the conceptual design of the magnets and their antic…

nucl-ex2024

Measurement of the mesonic decay branch of the $K ˉ N N$ quasi-bound state

T. Yamaga, S. Ajimura, H. Asano +67

We conducted measurements of $K^{-} +^{3} He \to I ¨ Y N + N^{'}$ reactions using a $1 GeV / c$ $K^{-}$ -beam, with the objective of understanding the broad decay width of $\ba…

hep-ex2009

Physics Performance Report for PANDA: Strong Interaction Studies with Antiprotons

PANDA Collaboration, W. Erni, I. Keshelashvili +411

To study fundamental questions of hadron and nuclear physics in interactions of antiprotons with nucleons and nuclei, the universal PANDA detector will be built. Gluonic excitation…

nucl-ex2014

Azimuthal Emission Patterns of $K^{+}$ and of $K^{-}$ Mesons in Ni + Ni Collisions near the Strangeness Production Threshold

V. Zinyuk, T. I. Kang, Y. Leifels +62

Azimuthal emission patterns of $K^{\pm}$ mesons have been measured in Ni + Ni collisions with the FOPI spectrometer at a beam kinetic energy of 1.91 A GeV. The transverse momentum $p…

nucl-ex2022

Pole position of $I^ (1405)$ measured in $d (K^{-}, n) I ¨ I^£$ reactions

PARC E31 Collaboration, S. Aikawa, S. Ajimura +74

We measured a set of $I ¨ ^{\pm} I^£^{\mp}$ , $I ¨ ^{0} I^£^{0}$ , and $I ¨ ^{-} I^£^{0}$ invariant mass spectra below and above the $K ˉ N$ mass threshold in $K^{-}$ -induced reactions on deuteron. We dedu…

nucl-ex2021

Recent results and future prospects of kaonic nuclei at J-PARC

F. Sakuma, S. Ajimura, T. Akaishi +73

$K ˉ$ -nuclear bound systems, kaonic nuclei, have been widely discussed as products of the strongly attractive $K ˉ N$ interaction in $I = 0$ channels. Recently, we demonstrat…

nucl-ex2018

" $K^{-} p p$ ", a $K$ -Meson Nuclear Bound State, Observed in $^{3} He (K^{-}, I^ p) n$ Reactions

PARC E15 collaboration, S. Ajimura, H. Asano +67

We observed a distinct peak in the $I^ p$ invariant mass spectrum of $^{3} He (K^{-}, I^ p) n$ , well below the mass threshold of $m_{K} + 2 m_{p}$ . By selecting a relatively large mo…

nucl-ex2016

Strange meson production in Al+Al collisions at 1.9A GeV

P. Gasik, K. Piasecki, N. Herrmann +63

The production of K $^{+}$ , K $^{-}$ and $I ¨ $ (1020) mesons is studied in Al+Al collisions at a beam energy of 1.9A GeV which is close or below the production threshold in NN reactions. I…

nucl-ex2009

Measurement of the in-medium K0 inclusive cross section in pi- -induced reactions at 1.15 GeV/c

M. L. Benabderrahmane, N. Herrmann, K. Wisniewski +62

The K0 meson production by pi- mesons of 1.15 GeV/c momentum on C, Al, Cu, Sn and Pb nuclear targets was measured with the FOPI spectrometer at the SIS accelerator of GSI. Inclusiv…

nucl-ex2018

Determination of N* amplitudes from associated strangeness production in p+p collisions

R. MÃ¼nzer, L. Fabbietti, E. Epple +65

We present the first determination of the energy-dependent production amplitudes of N $^{*}$ resonances with masses between 1650 MeV/c $^{2}$ and 1900 MeV/c $^{2}$ for an excess energ…

nucl-ex2016

Centrality dependence of subthreshold $I ¨ $ meson production in Ni+Ni collisions at 1.9A GeV

K. Piasecki, Z. TymiÅski, N. Herrmann +70

We analysed the $I ¨ $ meson production in central Ni+Ni collisions at the beam kinetic energy of 1.93A GeV with the FOPI spectrometer and found the production probability per event…

nucl-ex2014

Influence of $I ¨ $ mesons on negative kaons in Ni+Ni collisions at 1.91A GeV beam energy

K. Piasecki, N. Herrmann, R. Averbeck +63

$I ¨ $ and K $^{-}$ mesons from Ni+Ni collisions at the beam energy of 1.91A GeV have been measured by the FOPI spectrometer, with a trigger selecting central and semi-central events am…

nucl-ex2016

Structure near $K^{-}$ + $p$ + $p$ threshold in the in-flight $^{3}$ He $(K^{-}, I^ p) n$ reaction

PARC E15 Collaboration, Y. Sada, S. Ajimura +69

To search for an S= -1 di-baryonic state which decays to $I^ p$ , the $^{3} He (K^{-}, I^ p) n_{mi ss in g}$ reaction was studied at 1.0 GeV/ $c$ . Unobserved neutrons were kinematically i…

physics.ins-det2008

Technical Design Report for PANDA Electromagnetic Calorimeter (EMC)

PANDA Collaboration, W. Erni, I. Keshelashvili +407

This document presents the technical layout and the envisaged performance of the Electromagnetic Calorimeter (EMC) for the PANDA target spectrometer. The EMC has been designed to m…

nucl-ex2019

Wide acceptance measurement of the K $^{-}$ /K $^{+}$ ratio from Ni+Ni collisions at 1.91A GeV

K. Piasecki, N. Herrmann, R. Averbeck +70

The FOPI Collaboration at the GSI SIS-18 synchrotron measured charged kaons from central and semi-central collisions of Ni+Ni at a beam energy of 1.91A GeV. We present the distribu…

nucl-ex2015

Measurement of the strong interaction induced shift and width of the 1s state of kaonic deuterium at J-PARC

J. Zmeskal, M. Sato, S. Ajimura +74

The antikaon-nucleon interaction close to threshold provides crucial information on the interplay between spontaneous and explicit chiral symmetry breaking in low-energy QCD. In th…

Publications (17)

Observation of a KˉNN bound state in the 3He(K−,I^p)n reaction

Technical Design Report for the PANDA Solenoid and Dipole Spectrometer Magnets

Measurement of the mesonic decay branch of the KˉNN quasi-bound state

Physics Performance Report for PANDA: Strong Interaction Studies with Antiprotons

Azimuthal Emission Patterns of K+ and of K− Mesons in Ni + Ni Collisions near the Strangeness Production Threshold

Pole position of I^(1405) measured in d(K−,n)I¨I^£ reactions

Recent results and future prospects of kaonic nuclei at J-PARC

"K−pp", a K-Meson Nuclear Bound State, Observed in 3He(K−,I^p)n Reactions

Strange meson production in Al+Al collisions at 1.9A GeV

Measurement of the in-medium K0 inclusive cross section in pi- -induced reactions at 1.15 GeV/c

Determination of N* amplitudes from associated strangeness production in p+p collisions

Centrality dependence of subthreshold I¨ meson production in Ni+Ni collisions at 1.9A GeV

Influence of I¨ mesons on negative kaons in Ni+Ni collisions at 1.91A GeV beam energy

Structure near K−+p+p threshold in the in-flight 3He(K−,I^p)n reaction

Technical Design Report for PANDA Electromagnetic Calorimeter (EMC)

Wide acceptance measurement of the K−/K+ ratio from Ni+Ni collisions at 1.91A GeV

Measurement of the strong interaction induced shift and width of the 1s state of kaonic deuterium at J-PARC

Observation of a $K ˉ N N$ bound state in the $^{3} He (K^{-}, I^ p) n$ reaction

Measurement of the mesonic decay branch of the $K ˉ N N$ quasi-bound state

Azimuthal Emission Patterns of $K^{+}$ and of $K^{-}$ Mesons in Ni + Ni Collisions near the Strangeness Production Threshold

Pole position of $I^ (1405)$ measured in $d (K^{-}, n) I ¨ I^£$ reactions

" $K^{-} p p$ ", a $K$ -Meson Nuclear Bound State, Observed in $^{3} He (K^{-}, I^ p) n$ Reactions

Centrality dependence of subthreshold $I ¨ $ meson production in Ni+Ni collisions at 1.9A GeV

Influence of $I ¨ $ mesons on negative kaons in Ni+Ni collisions at 1.91A GeV beam energy

Structure near $K^{-}$ + $p$ + $p$ threshold in the in-flight $^{3}$ He $(K^{-}, I^ p) n$ reaction

Wide acceptance measurement of the K $^{-}$ /K $^{+}$ ratio from Ni+Ni collisions at 1.91A GeV