Publications

• COLLABORATION PAPERS
• N.Agafonova et al.,Discovery potential for directional Dark Matter detection with nuclear emulsions Eur.Phys.J.C 78 (2018) 7, 578 e-Print: 1705.00613 [astro-ph.CO]

• PHENOMENOLOGY
• Tadaaki Tani and Tatsuhiro Naka, “Dark matter event in nuclear emulsions:comparative analysis by time-resolved photoconductivity of silver halide grains”, Nucl.Inst. Meth. A (2022) accepted https://doi.org/10.1016/j.nima.2022.167633
• A. Alexandrov, G. De Lellis, A. Di Crescenzo, A. Golovatiuk, V. Tioukov Directional preservation of nuclear recoils in an emulsion detector for directional dark matter search JCAP 04 (2021) 047 e-Print: 2102.03125 [astro-ph.IM]
  • Andrey Alexandrov, Takashi Asada, Giovanni De Lellis, Antonia Di Crescenzo, Valerio Gentile, Tatsuhiro Naka, Valeri Tioukov & Atsuhiro Umemoto Super-resolution high-speed optical microscopy for fully automated readout of metallic nanoparticles and nanostructures Sci.Rep. 10 (2020) 1, 18773
• Keiko. I. Nagao, Tomonori Ikeda, Ryota Yakabe, Tatsuhiro Naka, KentaroMiuchi “Discrimination of anisotropy in dark matter velocity distribution with directional detectors”,  Phys. of Dark Univ. Vol.27, 100426 (2020)
• G. De Lellis Directional dark matter search with the NEWSdm experiment EPJ Web Conf. 209 (2019) 01019 Proceedings of: RICAP18
• Tadaaki Tani, Takayuki Uchida, Tatsuhiro Naka, “Analyses and design of nuclear emulsions for dark matter detection” Radiation Measurements 129(2019) 106184 
• T. Tani and T. Naka, “Nuclear Emulsions for Dark Matter Detection”, Rad.Meas. 95(2016)31-36 ,doi: 10.1016/j.radmeas.2016.10.004

DETECTOR AND DEVICES

• T. Shiraish i , I. Todoroki , T. Naka A. Umemoto , R. Kobayashi , and O. Sato,“Development of New Tracking Detector with Fine-grained Nuclear Emulsion for sub-MeV Neutron Measurement”, PTEP Volume 2021, Issue 4, April 2021,043H01, https://doi.org/10.1093/ptep/ptab030
• T.Shiraishi, H.Ichiki and T.Naka “Study on Luminescence of Fine-grained Nuclear Emulsion by Charged Particles”, Nucl. Inst. Meth. A (2019) Volume 927, 21 May 2019, Pages 202-208,
• Takashi Asada, Tatsuhiro Naka, Ken-ichi Kuwabara and Masahiro Yoshimoto,“The development of super fine-grained nuclear emulsion”, PTEP (2017)063H01, DOI: 10.1093/ptep/ptx076
• M.Kimura, T.Naka, S.Furuya, T.Asada, T.Katsuragawa, M.Yoshimoto,A.Umemoto, S.Machii, H.Ichiki, O.Sato, Y.Hoshinoe, “WIMP tracking with cryogenic nuclear emulsion” Nucl. Inst. Meth. Vol. 845 (2017) 373-377
• Alexandrov , T. Asada, A. Buonaura, L. Consiglio, N. D’Ambrosio, G. De Lellis,A. Di Crescenzo, N. Di Marco, M.L. Di Vacri, S. Furuya, G. Galati, V. Gentilea,T. Katsuragawa, M. Laubenstein, A. Lauriaa, P.F. Loverre, S. Machii, P.Monacelli, M.C. Montesi, T. Naka, F. Pupilli, G. Rosa, O. Sato, P. Strolin, V.Tioukov, A. Umemoto, M. Yoshimoto “Intrinsic neutron background ofnuclear emulsions for directional Dark Matter searches”, AstropaticlePhysics 80(2016) 16-21 doi:10.1016/j.astropartphys.2016.03.003
• T. Naka, T. Asada, T. Katsuragawa, K. Hakamata, M. Yoshimoto, K. Kuwabara,M. Nakamura, O. Sato, T. Nakano, Y. Tawara, G. De Lellis, C. Sirignano, N. D’Ambrossio, “Fine Grained Nuclear Emulsion for Higher Resolution Tracking Detector”, Nucl. Inst. Meth. A 718 (2013) 519-521
• Tatsuhiro Naka, Ken’ichi Kuge, Mitsuhiro Nakamura, “Selective Detection of Low-Velocity Ions Using Nuclear Emulsion Films”, JJAP 52 (2013)112601
• T.Naka, M.Natsume, K.Niwa, K.Hoshino, M.Nakamura, T.Nakano and O.Sato ,“Development of emulsion track expansion techniques for optical microscopy observation of low-velocity ion tracks with ranges beyond optical resolution limit”, Nucl. Inst. and Meth. A Vol.581 Iss.3 pp761- 764(2007)
• M.Natsume, K.Hoshino, K.Kuwabara, M.Nakamura, T.Nakano, K.Niwa, O.Sato, T.Tani, T.Toshito, “Low-velocity ion tracks in fine grain emulsion”, Nucl. Inst. Meth. A, 575, 3 (2007) 439-443, https://doi.org/10.1016/j.nima.2007.02.109

MICROSCOPY AND IMAGING

• Atsuhiro Umemoto, Tatsuhiro Naka, Toshiyuki Nakano, Ryuta Kobayashi,Takuya Shiraishi, Takashi Asada, “Optical shape analysis based on DFT and second order moment analysis of the brightness distribution for the detection of sub-micron range tracks in nuclear emulsion “, PTEP Volume 2020, Issue 10, October 2020, 103H02 (2020)(https://doi.org/10.1093/ptep/ptaa132)
• .T.Katsuragawa, A.Umemoto,M.Yoshimoto,T. Naka and T. Asada, “New readout system for submicron tracks with nuclear emulsion”, JINST 12(2017)T04002, doi:10.1088/1748-0221/12/04/T04002
• T. Naka, T. Asada, M. Yoshimoto, T. Katsuragawa, Y. Suzuki, Y. Terada, A.Takeuchi, K. Uesugi,Y. Tawara, A. Umemoto and M. Kimura, “Analysis system of submicron particle tracks in the fine-grained nuclear emulsion by a combination of hard x-ray and optical microscopy”, Rev. Sci. Instrum. 86, 073701 (2015)
• K. Kimura and T. Naka “Submicron track readout in fine-grained nuclear emulsions under optical microscopy”, Nucl. Inst. and Meth. A 680 (2012),12-15

ANALYSIS AND ALGORITHMS

• Deep Learning for direct Dark Matter search with nuclear emulsions Comput.Phys.Commun. 275 (2022) 108312  e-Print: 2106.11995 [hep-ex]
• Artem Golovatiuk, Giovanni De Lellis, Andrey Ustyuzhanin Deep learning for Directional Dark Matter search J.Phys.Conf.Ser. 1525 (2020) 1, 012108 Proceedings of: ACAT 2019 e-Print: 2005.13042 [astro-ph.IM]