Refine your search:     
Report No.
 - 
Search Results: Records 1-9 displayed on this page of 9
  • 1

Presentation/Publication Type

Initialising ...

Refine

Journal/Book Title

Initialising ...

Meeting title

Initialising ...

First Author

Initialising ...

Keyword

Initialising ...

Language

Initialising ...

Publication Year

Initialising ...

Held year of conference

Initialising ...

Save select records

Journal Articles

Preheat effect on titanium plate fabricated by sputter-free selective laser melting in vacuum

Sato, Yuji*; Tsukamoto, Masahiro*; Shobu, Takahisa; Yamashita, Yoshihiro*; Yamagata, Shuto*; Nishi, Takaya*; Higashino, Ritsuko*; Okubo, Tomomasa*; Nakano, Hitoshi*; Abe, Nobuyuki*

Applied Physics A, 124(4), p.288_1 - 288_6, 2018/04

 Times Cited Count:10 Percentile:59.67(Materials Science, Multidisciplinary)

The dynamics of titanium (Ti) melted by laser irradiation was investigated in a synchrotron radiation experiment. As an indicator of wettability, the contact angle between a selective laser melting (SLM) baseplate and the molten Ti was measured by synchrotron X-rays at 30 keV during laser irradiation. As the baseplate temperature increased, the contact angle decreased, down to 28 degrees at a baseplate temperature of 500$$^{circ}$$C. Based on this result, the influence of wettability of a Ti plate fabricated by SLM in a vacuum was investigated. It was revealed that the improvement of wettability by preheating suppressed sputtering generation, and a surface having a small surface roughness was fabricated by SLM in a vacuum.

Journal Articles

Exotic hadrons from heavy ion collisions

Cho, S.*; Hyodo, Tetsuo*; Jido, Daisuke*; Ko, C. M.*; Lee, S. H.*; Maeda, Saori*; Miyahara, Kenta*; Morita, Kenji*; Nielsen, M.*; Onishi, Akira*; et al.

Progress in Particle and Nuclear Physics, 95, p.279 - 322, 2017/07

AA2016-0538.pdf:0.65MB

 Times Cited Count:54 Percentile:86.05(Physics, Nuclear)

With upgraded detectors at the Relativistic Heavy Ion Collider (RHIC) and the Large Hadron Collider (LHC), it has become possible to measure hadrons beyond their ground states in high energy heavy ion collisions. Therefore, heavy ion collisions provide a new method for studying exotic hadrons that are either molecular states made of various hadrons or compact system consisting of muliquarks. Because their structures are related to the fundamental properties of Quantum Chromodynamics (QCD), studying exotic hadrons is currently one of the most active areas of research in hadron physics. The present review is a summary of the current understanding of a selected set of exotic candidate particles that can be potentially measured in heavy ion collisions.

Journal Articles

Half-life of $$^{184}$$Re populated by the $$(gamma,n)$$ reaction from laser Compton scattering $$gamma$$ rays at the electron storage ring NewSUBARU

Hayakawa, Takehito; Miyamoto, Shuji*; Hayashi, Yukio; Kawase, Keigo*; Horikawa, Ken*; Chiba, Satoshi; Nakanishi, Kosuke*; Hashimoto, Hisanobu*; Ota, Takeshi*; Kando, Masaki; et al.

Physical Review C, 74(6), p.065802_1 - 065802_5, 2006/12

 Times Cited Count:23 Percentile:79.56(Physics, Nuclear)

We report a half-life of the ground state of $$^{184}$$Re populated by the $$^{185}$$Re$$(gamma,n)$$$$^{184}$$Re reaction with the laser Compton scattering $$gamma$$-rays generated through relativistic engineering. The $$gamma$$-rays are provided at the electron storage ring NewSUBARU. The previous experiment using deuteron-induced reactions has yielded a recommended half-life of the 3$$^-$$ ground state of $$^{184}$$Re to be 38.0 $$pm$$ 0.5 d, including a possible contribution from the 8$$^{+}$$ isomer ($$T_{1/2}$$ = 169 $$pm$$ 8 d) of $$^{184}$$Re since the presence of the isomer was not known at that time. In contrast, the $$(gamma,n)$$ reaction has an advantage to selectively populate the ground state because this reaction does not bring large angular momentum. The measured half-life of 35.4 $$pm$$ 0.7 d is shorter than the previous half-life by about 7%. This difference is crucial for applications using the activation method.

Journal Articles

Present status of JAERI X-ray beamline BL14B1, BL11XU

Konishi, Hiroyuki; Shiwaku, Hideaki; Yoneda, Yasuhiro; Mitsui, Takaya; Nishihata, Yasuo

SPring-8 Riyosha Joho, 4(5), p.4 - 8, 1999/09

no abstracts in English

Journal Articles

Reconstruction and criticality experiment in new JRR-3

Onishi, Nobuaki; Takahashi, Hidetake; Takayanagi, Masaji; Ichikawa, Hiroki; Kawasaki, Minoru

Nihon Genshiryoku Gakkai-Shi, 32(10), p.962 - 969, 1990/10

 Times Cited Count:4 Percentile:47.93(Nuclear Science & Technology)

no abstracts in English

Oral presentation

Nuclear photoreaction on Re isotopes by Compton scattering $$gamma$$-rays at NewSUBARU

Hayakawa, Takehito; Miyamoto, Shuji*; Hayashi, Yukio; Kawase, Keigo*; Horikawa, Ken*; Chiba, Satoshi; Nakanishi, Kosuke*; Hashimoto, Hisanobu*; Ota, Takeshi*; Kando, Masaki; et al.

no journal, , 

no abstracts in English

Oral presentation

Half-life of $$^{184}$$Re populated by photodisintegration reaction with Laser Compton scattering $$gamma$$-rays at NewSUBARU

Hayakawa, Takehito; Miyamoto, Shuji*; Hayashi, Yukio; Kawase, Keigo*; Horikawa, Ken*; Chiba, Satoshi; Nakanishi, Kosuke*; Hashimoto, Hisanobu*; Ota, Takeshi*; Kando, Masaki; et al.

no journal, , 

no abstracts in English

Oral presentation

Half-life measurements of neutron-deficient isotopes using laser Compton scattering $$gamma$$-rays at NewSUBARU

Hayakawa, Takehito; Shizuma, Toshiyuki; Miyamoto, Shuji*; Amano, Sho*; Horikawa, Ken*; Hayashi, Yukio; Kawase, Keigo; Kando, Masaki; Kikuzawa, Nobuhiro; Chiba, Satoshi; et al.

no journal, , 

no abstracts in English

Oral presentation

Soft X-ray photoemission spectroscopy of water-adsorbed titanium dioxide surfaces

Katsube, Daiki*; Ono, Shinya*; Takayanagi, Shuhei*; Ojima, Shoki*; Maeda, Motoyasu*; Yoshida, Hikaru*; Nishi, Shizuka*; Yoshigoe, Akitaka; Abe, Masayuki*

no journal, , 

TiO$$_{2}$$ has been extensively studied because of high photocatalytic activity. However, the basic reaction process of photocatalysis has not been understood yet. In this study, the difference in water adsorption reaction between rutile and anatase was clarified using synchrotron radiation soft X-ray photoelectron spectroscopy (XPS). The OH component observed at the higher binding energy side was clearly confirmed in the rutile type TiOTiO$$_{2}$$, suggesting that the rutile type is more reactive to water adsorption.

9 (Records 1-9 displayed on this page)
  • 1