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Journal Articles

The Role of collision ionization of K-shell ions in nonequilibrium plasmas produced by the action of super strong, ultrashort PW-class laser pulses on micron-scale argon clusters with intensity up to 5 $$times$$ 10$$^{21}$$ W/cm$$^{2}$$

Skobelev, I. Yu.*; Ryazantsev, S. N.*; Kulikov, R. K.*; Sedov, M. V.*; Filippov, E. D.*; Pikuz, S. A.*; Asai, Takafumi*; Kanasaki, Masato*; Yamauchi, Tomoya*; Jinno, Satoshi; et al.

Photonics (Internet), 10(11), p.1250_1 - 1250_11, 2023/11

https://doi.org/10.3390/photonics10111250
 Times Cited Count：4 Percentile：39.40(Optics)

It is challenging to clearly distinguish the impacts of the optical field and collisional ionization in the evolution of the charge state of a plasma produced when matter interacts with high-intensity laser pulses. In this work, time-dependent calculations of plasma kinetics are used to show that it is possible only when low-density gaseous targets with sufficiently small clusters are used. In the case of Ar plasma, the upper limit of the cluster radius was estimated to be $$R_0 = 0.1 mu$$m.

Journal Articles

Near-threshold $$Lambda (1520)$$ production by the $$vec{gamma}$$ $$p$$ $$rightarrow$$ $$K$$$$^{+}$$ $$Lambda$$ (1520) reaction at forward $$K^+$$ angles

Kori, Hideki*; Imai, Kenichi; LEPS Collaboration*

Physical Review Letters, 104(17), p.172001_1 - 172001_5, 2010/04

https://doi.org/10.1103/PhysRevLett.104.172001
 Times Cited Count：46 Percentile：83.64(Physics, Multidisciplinary)

Differential cross sections and photon-beam asymmetries for the $$vec{gamma}$$ $$p$$ $$rightarrow$$ $$K$$$$^{+}$$ $$Lambda$$ (1520) reaction have been measured with linearly polarized photon beams at energies from the threshold to 2.4 GeV. A new bump structure was found at $$W$$ = 2.11 GeV in the cross sections. The bump structure might be produced by a nucleon resonance with $$J$$ $$geq 5/2$$ or by a new reaction process, for example, an interference effect with the $$phi$$ photoproduction having a similar bump structure.

Journal Articles

Beam-palarization asymmetries for the $$p$$($$overrightarrow{gamma}$$,$$K$$$$^{+}$$)$$Lambda$$ and $$p$$($$overrightarrow{gamma}$$,$$K$$$$^{+}$$)$$Sigma$$$$^{0}$$ reactions for $$E$$$$_{gamma}$$=1.5-2.4 GeV

Zegers, R. G. T.*; Sumihama, Mizuki*; Ahn, D. S.*; Ahn, J. K.*; Akimune, Hidetoshi*; Asano, Yoshihiro; Chang, W. C.*; Dat$'e$, S.*; Ejiri, Hiroyasu*; Fujimura, Hisako*; et al.

Physical Review Letters, 91(9), p.092001_1 - 092001_4, 2003/08

https://doi.org/10.1103/PhysRevLett.91.092001
 Times Cited Count：130 Percentile：94.52(Physics, Multidisciplinary)

no abstracts in English

Journal Articles

Evidence for a narrow $$S$$ = +1 Baryon resonance in photoproduction from the neutron

Nakano, Takashi*; Ahn, D. S.*; Ahn, J. K.*; Akimune, Hidetoshi*; Asano, Yoshihiro; Chang, W. C.*; Date, S.*; Ejiri, Hiroyasu*; Fujimura, Hisako*; Fujiwara, Mamoru; et al.

Physical Review Letters, 91(1), p.012002_1 - 012002_4, 2003/07

https://doi.org/10.1103/PhysRevLett.91.012002
 Times Cited Count：1033 Percentile：99.84(Physics, Multidisciplinary)

no abstracts in English

Journal Articles

Dipole excitation of $$alpha$$ clusters in $$^{6}$$Li and $$^{7}$$Li

Nakayama, Shintaro*; Yamagata, Tamio*; Akimune, Hidetoshi*; Daito, Izuru*; Fujimura, Hisako*; Fujita, Yoshitaka*; Fujiwara, Mamoru; Fushimi, Kenichi*; Greenfield, M. B.*; Kori, Hideki*; et al.

Physical Review Letters, 87(12), p.122502_1 - 122502_4, 2001/09

https://doi.org/10.1103/PhysRevLett.87.122502
 Times Cited Count：24 Percentile：71.55(Physics, Multidisciplinary)

no abstracts in English

Journal Articles

Soft dipole resonance in the neutron-skin nucleus $$^{6}$$He

Nakayama, Shintaro*; Yamagata, Tamio*; Akimune, Hidetoshi*; Daito, Izuru*; Fujimura, Hisako*; Fujita, Yoshitaka*; Fujiwara, Mamoru; Fushimi, Kenichi*; Inomata, Toru*; Kori, Hideki*; et al.

Physical Review Letters, 85(2), p.262 - 265, 2000/07

https://doi.org/10.1103/PhysRevLett.85.262
 Times Cited Count：77 Percentile：88.88(Physics, Multidisciplinary)

no abstracts in English

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