Now showing items 1-20 of 42

    • Does Σ-Σ-α Form a Quasi-Bound State? 

      Htun Htun Oo; Khin Swe Myint; Kamada, Hiroyuki; Gloeckle, Walter (Progress of Theoretical Physics, 2005)
      We have investigated the possible existence of a quasi-bound state for the Σ-Σ-α system in the framework of Faddeev calculations. We are particularly interested in the state of total iso-spin T = 2, since for an inert α ...
    • Analysis of a Double-Λ Hypernucleus Event in the KEK-PS E373 Experiment 

      Khin Than Tint (Universities Research Journal, 2008)
      KEK-PS E373, a hybrid emulsion experiment, was performed using a 1.66 GeV/c separated K- meson beam at High Energy Accelerator Research Organization (KEK) proton synchrotron (PS). The purpose of this experiment is to study ...
    • Investigation of Neutron Diffusion Length in Wax Medium 

      San Yee (Universities Research Journal, 2011)
      The investigation of the damage tracks of Pu (Be) neutron source by using solid state nuclear track detector in the wax medium was performed. Using the neutron tracks and neutron diffusion equation, neutron diffusion ...
    • Calculation of Stopping Power due to Ionization and Excitation for Heavy Charged Particles Moving in Nuclear Emulsion 

      Khin Than Tint (Kalay University Research Journal, 2011)
      In the present paper, the stopping power due to ionization and excitation for (8-MeV) p, d, t, α particles moving in nuclear emulsion is calculated. From the calculations, it is found that the quite difference in the value ...
    • Polycrystalline Phase Formation of Magnesium Ferrite, MgFe2O4 Investigated by X-Ray Diffraction and Fourier Transform Infrared Spectroscopic Methods 

      Shwe Sin Oo; Thaung Aye; Win Kyaw; Win Win Thar (Journal of the Myanmar Academy of Arts and Science, 2012)
      Magnesium ferrite spinel, MgFe2O4 was prepared by conventional solid state reaction method at 1100C for 22 h in vacuum chamber. Structural and vibrational characteristics of the sample were studied by X-ray diffraction ...
    • Event Categorization in Nuclear Emulsion of E373 Experiment 

      Khin Than Tint (Universities Research Journal, 2012)
      KEK-PS E373, a hybrid emulsion experiment, was performed using a separated Kˉ meson beam of momentum 1.66GeV/c at High Energy Accelerator Research Organization (KEK) proton synchrotron (PS). The purpose of this experiment ...
    • Study on Microstructural and Temperature Dependent Electrical Conductivity of Magnesium Ferrite, MgFe2O4 

      Shwe Sin Oo; Hla Htay; Win Kyaw; Win Win Thar (Journal of the Myanmar Academy of Arts and Science, 2013)
      Magnesium Ferrite, MgFe2O4, was prepared by solid state reaction method. Analar grade Magnesium Oxide, MgO and Ferric Oxide, Fe2O3 with stoichiometric composition were used to prepare the sample. Morphological features of ...
    • Characterization of Magnesium Ferrite, MgFe2O4 

      Shwe Sin Oo; Hla Htay; Win Kyaw; Nwe Ni Khin; Khin Mar Kyu (Journal of the Myanmar Academy of Arts and Science, 2014)
      Magnesium ferrite, MgFe2O4, was prepared by solid state reaction method. Structural and vibrational characteristics of the sample were studied by X-ray diffraction (XRD) and Fourier Transform Infrared (FTIR) spectroscopic ...
    • Progress on the study of double- Λ hypernuclei 

      Nakazawa, Kazuma; Kinbara, Shinji; Mishina, Akihiro; Myint Kyaw Soe; Khin Than Tint; Yoshida, Junya (Journal of Physics: Conference Series, IOP Publishing, 2014)
      With use of nuclear emulsion, double-hypernuclei have been studied for aiming to understand Λ-Λ interaction via at-rest-capture of _ Ξ hyperon originated by quasi-free (K¯;K+) reactions, where the beam K ¯ momentum was ...
    • Effective Atomic Numbers of CaSO4 and BaSO4 Dosimetric Compounds for Gamma Energy Absorption 

      Myint Myat Swe (Journal of Myanmar Academy of Arts and Science, 2015)
      Mass attenuation coefficient, effective atomic cross-section and effective atomic number of CaSO4 and BaSO4 compound samples were determined for the energy 81keV, 356keV, 511keV, 662keV, 1173keV, 1274keV and 1332keV by ...
    • Potential Advanced Ceramics from Kan Khunit Sint Lake, Demawso, Kayah State 

      Shwe Sin Oo (Loikaw University Research Journal, 2015)
      Clays occurred in huge quantities, need improvement by stabilization or by replacing them with granular material. Currently, nanotechnology based Advanced Ceramics has changed our vision, expectations and abilities to ...
    • Study on Thorium and Uranium Decay Series in Nuclear Emulsion 

      Khin Than Tint (Myingyan Degree College Research Journal, 2015)
      There are four naturally occurring alpha decay series; among them Thorium and Uranium decay series occur in nuclear emulsion as the form of “alpha stars” emitted from a common point having five tracks and four tracks ...
    • The first evidence of a deeply bound state of Xi−–14N system 

      Nakazawa, K.; Endo, Y.; Fukunaga, S.; Hoshino, K.; Hwang, S. H.; Imai, K.; Ito, H.; Itonaga, K.; Kanda, T.; Kawasaki, M.; Kim, J. H.; Kinbara, S.; Kobayashi, H.; Mishina, A.; Ogawa, S.; Shibuya, H.; Sugimura, T.; Myint Kyaw Soe; Takahashi, H.; Takahashi, T.; Khin Than Tint; Umehara, K.; Yoon, C. S.; Yoshida, J. (Progress of Theoretical and Experimental Physics, 2015)
      We have observed a deeply bound state of the Ξ−–14N system that decayed into twin single-hypernuclei in nuclear emulsion exposed in the E373 experiment at KEK-PS. The process is uniquely identified as Ξ−+14N→10ΛBe+5ΛHe⁠. ...
    • Single Charged Particle Identification in Nuclear Emulsion using Multiple Coulomb Scattering Method 

      Khin Than Tint; Endo, Yoko; Hoshino, Kaoru; Ito, Hiroki; Itonaga, Kazunori; Kinbara, Shinji; Kobayashi, Hidetaka; Mishina, Akihiro; Myint Kyaw Soe; Yoshida, Junya; Nakazawa, Kazuma (JPS Conference Proceedings, Proceedings of the 2nd International Symposium on Science at J-PARC — Unlocking the Mysteries of Life, Matter and the Universe, 2015)
      Development of particle identification technique for single charged particles such as Ξ- hyperon, proton, K- and π- mesons is on-going by measuring multiple Coulomb scattering in nuclear emulsion. We generated several ...
    • Study of double-strangeness nuclear systems with nuclear emulsion 

      Nakazawa, Kazuma; Endo, Yoko; Hoshino, Kaoru; Ito, Hiroki; Kinbara, Shinji; Kobayashi, Hidetaka; Mishina, Akihiro; Myint Kyaw Soe; Aye Moh Moh Theint; Xu, Rong; Khin Than Tint; Yoshida, Jun’ya; Zhang, Dong Hai (ELSEVIER, Physics Procedia 80, 26th International Conference on Nuclear Tracks in Solids, 26ICNTS, 2015)
      Double strangeness nuclei such as double-Λ and Ξ hypernuclei have been studied with nuclear emulsion due to its fine position resolution. Recently, we have started an experiment to study Λ-Λ interaction more accurately ...
    • Emulsion scanning systems for double-strangeness nuclei 

      Yoshida, Junya; Kinbara, Shinji; Mishina, Akihiro; Nakazawa, Kazuma; Myint Kyaw Soe; Khin Than Tint; Aye Moh Moh Theint (Elsevier, Physics Procedia 80,62-64. 26th International Conference on Nuclear Tracks in Solids, 26ICNTS, 2015)
      Nuclear emulsion is so far the best detector to investigate double-strangeness nucleus including double Lambda hypernucleus, which is a nucleus made up of two lambda hyperons in addition to nucleons. Two types of scanning ...
    • Isotope Identification in Nuclear Emulsion Plate 

      Kinbara, Shinji; Endo, Yoko; Ichikawa, Yuichi; Itoh, Hiroki; Aye Moh Moh Theint; Khin Than Tint; Kobayashi, Hidetaka; Myint Kyaw Soe; Mishina, Akihiro; Ueno, Hideki; Yoshida, Junya; Nakazawa, Kazuma (JPS Conference Proceedings, Proceedings of the 2nd International Symposium on Science at J-PARC — Unlocking the Mysteries of Life, Matter and the Universe, 2015)
      We carried out the E373 experiment at KEK and detected seven double-hypernuclear events. Only the NAGARA event was uniquely identified as a  He hypernucleus among them. For some events among the other six events, ...
    • Track Following of Ξ- Hyperons in Nuclear Emulsion for the E07 Experiment 

      Mishina, Akihiro; Endo, Yoko; Hoshino, Kaoru; Ito, Hiroki; Itonaga, Kazunori; Kinbara, Shinji; Kobayashi, Hidetaka; Myint Kyaw Soe; Khin Than Tint; Umehara, Kaori; Yoshida, Junya; Nakazawa, Kazuma (JPS Conference Proceedings, Proceedings of the 2nd International Symposium on Science at J-PARC — Unlocking the Mysteries of Life, Matter and the Universe, 2015)
      The E07 experiment is expected to provide knowledge of S=-2 systems with ten times more statistics than that of the past E373 experiment. To achieve this in a reasonable time, an automated track following system is very ...
    • Event Analysis in Nuclear Emulsion for the E07 Experiment at J-PARC 

      Myint Kyaw Soe; Endo, Yoko; Hoshino, Kaoru; Ito, Hiroki; Itonaga, Kazunori; Kobayashi, Hidetaka; Khin Than Tint; Kinbara, Shinji; Mishina, Akihiro; Yoshida, Junya; Nakazawa, Kazuma (JPS Conference Proceedings, Proceedings of the 2nd International Symposium on Science at J-PARC — Unlocking the Mysteries of Life, Matter and the Universe, 2015)
      Hammer track events in nuclear emulsion were analyzed to measure the excitation energy of 8Be* (2+) nucleus. The kinetic energies of two alpha particles of hammer track events were obtained from their ranges with use of ...
    • Mass Production of Large-sized Nuclear Emulsion Plates for J-PARC E07 

      Ito, Hiroki; Endo, Yoko; Hoshino, Kaoru; Khin Than Tint; Kinbara, Shinji; Kobayashi, Hidetaka; Mishina, Akihiro; Myint Kyaw Soe; Xue, Yaling; Yoshida, Junya; Hai, Zhang Dong; Nakazawa, Kazuma (JPS Conference Proceedings, Proceedings of the 2nd International Symposium on Science at J-PARC — Unlocking the Mysteries of Life, Matter and the Universe, 2015)
      In the E07 experiment at J-PARC, we systematically study double strangeness (S = -2) systems on Λ-Λ and Ξ--N interaction via S = -2 nuclei such as double Λ hypernuclei and twin Λ hypernuclei with hybrid-emulsion method. ...