Study for the energy partition process in H2 formation by the H-H recombination on interstellar grain surface

2008 Fiscal Year Final Research Report

• Project/Area Number: 19740301
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Space and upper atmospheric physics
• Research Institution: Hokkaido University
• Principal Investigator: HIDAKA Hiroshi Hokkaido University, 低温科学研究所, 助教授 (00400010)
• Project Period (FY): 2007 – 2008
• Keywords: 惑星間空間 / 星間化学

Research Abstract

極低温星間塵表面上で生成・脱離した水素分子の反応熱分配過程を実験的に明らかにするため,低温基板表面で水素原子の結合反応により水素分子を生成し,脱離した水素分子の運動・振動・回転エネルギー分布を測定する実験装置を構築した.

Research Products

• [Journal Article] Structural effects of ice grain surfaces on the hydrogenation of CO at low temperatures (2008)
  • Author(s): H. Hidaka, N. Miyauchi, A. Kouchi, N. Watanabe
  • Journal Title: Chem. Phys. Lett. 456 Pages: 36-40
  • Peer Reviewed
• [Journal Article] Formation of hydrogen peroxide and water from the reaction of cold hydrogen atoms with solid oxygen at 10 K (2008)
  • Author(s): N. Miyauchi, H. Hidaka, T. Chigai, A. Nagaoka, N. Watanabe, A. Kouchi
  • Journal Title: Chem. Phys. Lett. 456 Pages: 27-30
  • Peer Reviewed
• [Journal Article] Temperature, composition, and hydrogen isotope effect in the hydrogenation of CO on amorphous ice surface at 10-20 K (2007)
  • Author(s): H. Hidaka, A. Kouchi, N. Watanabe
  • Journal Title: J. Chem. Phys. 126 Pages: 204707
  • Peer Reviewed
• [Journal Article] アモルファス氷星間塵:宇宙における化学進化の舞台 (2007)
  • Author(s): 渡部直樹,香内晃,毛利織絵,長岡明宏,日高宏
  • Journal Title: J. Vac. Soc. Jpn. 50 Pages: 282-290
  • Peer Reviewed
• [Presentation] Structural effects of icy grain surfaces in CO hydrogenation at a low temperature (2008)
  • Author(s): H. Hidaka, N. Miyauchi, A. Kouchi, N. Watanabe
  • Organizer: Work shop for Interstellar Matter 2008
  • Place of Presentation: Hokkaido Univ.
  • Year and Date: 20080904-05
• [Presentation] H-D substitution reactions of formaldehyde on icy grain surfaces at low temperatures (2008)
  • Author(s): H. Hidaka, M. Watanabe, A. Kouchi, N. Watanabe
  • Organizer: Work shop for Interstellar Matter 2008
  • Place of Presentation: Hokkaido Univ.
  • Year and Date: 20080904-05
• [Presentation] Effective formation of H_2O by the H-addition to solid O2 on amorphous D_2O ice (2008)
  • Author(s): Y. Oba, N. Miyauchi, T. Chigai, H. Hidaka, N. Watanabe, A. Kouchi
  • Organizer: Work shop for Interstellar Matter 2008
  • Place of Presentation: Hokkaido Univ.
  • Year and Date: 20080904-05
• [Presentation] The effects of ice morphology in hydrogenation of CO at low temperature ice surface (2008)
  • Author(s): H. Hidaka, N. Miyauchi, A. Kouchi, N. Watanabe
  • Organizer: The Molecular Univers: An international meeting on the Physics and Chemistry of the Interstellar Medium
  • Place of Presentation: Arcahon
  • Year and Date: 20080505-06
• [Presentation] 水素原子付加反応による水分子生成機構-アモルファス氷の触媒効果‐ (2008)
  • Author(s): 宮内直弥,大場康弘,日高宏,千貝健,渡部直樹,香内晃
  • Organizer: 第7回水素量子アトミクス研究会
  • Place of Presentation: 新潟大学
  • Year and Date: 2008-11-21
• [Presentation] 低温ホルムアルデヒド表面における水素・重水素原子交換反応 (2008)
  • Author(s): 日高宏,渡辺元浩,香内晃,渡部直樹
  • Organizer: 第7回水素量子アトミクス研究会
  • Place of Presentation: 新潟大学
  • Year and Date: 2008-11-21
• [Presentation] 極低温表面原子反応O_2+Hによる水分子生成-アモルファス氷の触媒効果- (2008)
  • Author(s): 大場康弘,宮内直弥,千貝健,日高宏,渡部直樹,香内晃
  • Organizer: 日本惑星科学会2008 年秋季講演会
  • Place of Presentation: 九州大学
  • Year and Date: 2008-11-03
• [Presentation] 極低温表面原子反応による水分子生成 (2008)
  • Author(s): 大場康弘,宮内直弥,千貝健,日高宏,渡部直樹,香内晃
  • Organizer: 日本地球化学会第55 回年会
  • Place of Presentation: 東京大学
  • Year and Date: 2008-09-19
• [Presentation] 低温固体表面におけるホルムアルデヒドのH-D 交換反応 (2008)
  • Author(s): 日高宏,渡辺元浩,渡部直樹,香内晃
  • Organizer: 第33 階原子衝突研究会
  • Place of Presentation: 北海道大学
  • Year and Date: 2008-08-07
• [Presentation] 極低温アモルファス氷上表面原子反応による水素分子生成機構 (2008)
  • Author(s): 宮内直弥,日高宏,千貝健,渡部直樹,香内晃
  • Organizer: 第33 階原子衝突研究会
  • Place of Presentation: 北海道大学
  • Year and Date: 2008-08-07
• [Presentation] 極低温表面原子反応によるアモルファスH_2O 氷生成 (2008)
  • Author(s): 大場康弘,宮内直弥,日高宏,渡部直樹,香内晃
  • Organizer: 日本地球惑星科学連合合同大会
  • Place of Presentation: 幕張メッセ
  • Year and Date: 2008-05-20
• [Presentation] Grain surface chemistry: fractionation routes (2008)
  • Author(s): N. Watanabe, H. Hidaka, N. Miyauchi, A. Kouchi
  • Organizer: The Molecular Univers: An international meeting on the Physics and Chemistry of the Interstellar Medium
  • Place of Presentation: Arcahon
  • Year and Date: 2008-05-07
• [Presentation] H_2O ice formation from the reaction of cold H atoms with solid O_2 at 10 K (2008)
  • Author(s): A. Kouchi, N. Miyauchi, H. Hidaka, T. Chigai, A. Nagaoka, N. Watanabe
  • Organizer: Solar System Ices
  • Place of Presentation: California
  • Year and Date: 2008-05-06
• [Presentation] 低温氷表面での水素原子付加反応-アモルファス氷と結晶による違い- (2008)
  • Author(s): 日高宏,宮内直弥,香内晃,渡部直樹
  • Organizer: 日本物理学会第63回年会
  • Place of Presentation: 近畿大学
  • Year and Date: 2008-03-24
• [Presentation] 低温酸素固体表面への水素原子付加反応 (2008)
  • Author(s): 宮内直弥,日高宏,長岡明宏,渡部直樹,香内晃
  • Organizer: 日本物理学会第63 回年会
  • Place of Presentation: 近畿大学
  • Year and Date: 2008-03-24
• [Presentation] 低温氷表面での水素原子反応における氷構造の影響‐アモルファスと結晶の比較‐ (2007)
  • Author(s): 日高宏,宮内直弥,香内晃,渡部直樹
  • Organizer: 第6回水素量子アトミクス研究会
  • Place of Presentation: 北海道大学
  • Year and Date: 2007-12-13
• [Presentation] Laboratory study of chemical processes on interstellar ice grains (2007)
  • Author(s): N. Watanabe, A. Nagaoka, H. Hidaka, A. Kouchi
  • Organizer: XXIV International Union of Feodesy and Geophysics (IUGG) General Assembly
  • Place of Presentation: Perugia
  • Year and Date: 2007-07-11
• [Presentation] H_2O 氷表面におけるCO 分子‐水素原子反応:アモルファス氷vs 結晶氷‐ (2007)
  • Author(s): 日高宏,香内晃,渡部直樹
  • Organizer: 日本地球惑星科学連合2007年大会
  • Place of Presentation: 幕張メッセ
  • Year and Date: 2007-05-24
• [Presentation] The structural effect of ice grain surfaces on the hydrogenation of CO at low temperatures (2007)
  • Author(s): H. Hidaka, N. Watanabe, A. Kouchi
  • Organizer: International Conference on Molecules in Space and Laboratory
  • Place of Presentation: Paris
  • Year and Date: 2007-05-14