2021

85. “Transmission Electron Microscopy Study of the Morphology of Ices Composed of H2O, CO2, and CO on Refractory Grains”

A. Kouchi, M. Tsuge, T. Hama, Y. Oba, S. Okuzumi, S. Sirono, M. Momose, N. Nakatani, K. Furuya, T. Shimonishi, T. Yamazaki, H. Hidaka, Y. Kimura, K. Murata, K. Fujita, S. Nakatsubo, S. Tachibana, and N. Watanabe, The Astrophysical Journal, 2021, in press.

“透過型電子顕微鏡による星間塵模擬物質上に形成されたH2O, CO2, CO結晶氷の形態観察”

84. “Formation of chiral CO polyhedral crystals on icy interstellar grains

A. Kouchi, M. Tsuge, T. Hama, H. Niinomi, N. Nakatani, T. Shimonishi, Y. Oba, Y. Kimura, S. Sirono, S. Okuzumi, M. Momose, K. Furuya, and N. Watanabe, Monthly Notices of the Royal Astronomical Society, 2021, 505, 1530–1542.

“星間塵表面におけるキラルかつ多面体のCO結晶の生成”

83. “FAUST II. Discovery of a Secondary Outflow in IRAS 15398-3359: Variability in Outflow Direction during the Earliest Stage of Star Formation?

Y. Okoda, Y. Oya, L. Francis, D. Johnstone, S. Inutsuka, C. Ceccarelli, C. Codella, C. Chandler, N. Sakai, Y. Aikawa, F. Alves, N. Balucani, E. Bianchi, M. Bouvier, P. Caselli, E. Caux, S. Charnley, S. Choudhury, M. De Simone, F. Dulieu, A. Durán, L. Evans, C. Favre, D. Fedele, S. Feng, F. Fontani, T. Hama, T. Hanawa, E. Herbst, T. Hirota, M. Imai, A. Isella, I. Jímenez-Serra, C. Kahane, B. Lefloch, L. Loinard, A. López-Sepulcre, L. T. Maud, M. J. Maureira, F. Menard, S. Mercimek, A. Miotello, G. Moellenbrock, S. Mori, N. M. Murillo, R. Nakatani, H. Nomura, Y. Oba, R. O’Donoghue, S. Ohashi, J. Ospina-Zamudio, J. Pineda, L. Podio, A. Rimola, T. Sakai, D. Segura Cox, Y. Shirley, B. Svoboda, V. Taquet, L. Testi, C. Vastel, S. Viti, N. Watanabe, Y. Watanabe, A. Witzel, C. Xue, Y. Zhang, B. Zhao, and S. Yamamoto, The Astrophysical Journal, 2021, 910, 11(13pp).

“FAUST II, クラス0原始星(IRAS 15398-3359)における二次的なアウトフローの発見:星形成の初期段階でアウトフローの方向は変化し得る?”

2020

82. Photostimulated desorption of OH radicals from amorphous solid water: Evidence for the interaction of visible light with an OH-ice complex

A. Miyazaki, N. Watanabe, W. M. C. Sameera, Y. Nakai, M. Tsuge, T. Hama, H. Hidaka, and A. Kouchi, Physical Review A, 2020, 102, 052822.

“アモルファス氷に吸着したOHラジカルの光脱離:可視光吸収の実験的証拠”

81. UV-ray irradiation never causes amorphization of crystalline CO2: A transmission electron microscopy study

M. Tsuge, T. Nguyen, Y. Oba, T. Hama, A. Kouchi, and N Watanabe, Chemical Physics Letters, 2020, 760, 137999.

“CO2結晶は紫外光で非晶質化しない:透過型電子顕微鏡による研究”

80. “Quantitative Anisotropic Analysis of Molecular Orientation in Amorphous N2O at 6 K by Infrared Multiple-Angle Incidence Resolution Spectrometry

T. Hama, A. Ishibashi, A. Kouchi, N. Watanabe, N. Shioya, T. Shimoaka, and T. Hasegawa, The Journal of Physical Chemistry Letters, 2020, 11, 18, 7857–7866.

“6 Kのアモルファス亜酸化窒素(N2O)の分子配向の定量的解析”

79. “In vivo characterization of the structures of films of a fatty acid and an alcohol adsorbed on the skin surface”

T. Hama, A. Kouchi, N. Watanabe, N. Shioya, T. Shimoaka, and T. Hasegawa, Biophysical Chemistry, 2020, 266, 106459.

“生きた皮膚表面に吸着した脂肪族アルコールと脂肪酸の薄膜構造解析”

78. “High-Density Liquid Water at a Water–Ice Interface”

H. Niinomi, T. Yamazaki, H. Nada, T. Hama, A. Kouchi, J. T. Okada, J. Nozawa, S. Uda, and Y. Kimura, The Journal of Physical Chemistry Letters, 2020, 11, 16, 6779–6784

“氷-水界面に存在する高密度な液体の水”


77. “FAUST I. The hot corino at the heart of the prototypical Class I protostar L1551 IRS5”

E. Bianchi , C. J. Chandler, C. Ceccarelli, C. Codella, N. Sakai, A. L´opez-Skuepulcre, L. T. Maud, G. Moellenbrock, B. Svoboda, Y. Watanabe, T. Sakai, F. M´enard, Y. Aikawa, F. Alves, N. Balucani, M. Bouvier, P. Caselli, E. Caux, S. Charnley, S. Choudhury, M. De Simone, F. Dulieu, A. Dur´an, L. Evans, C. Favre, D. Fedele, S. Feng, F. Fontani, L. Francis, T. Hama, T. Hanawa, E. Herbst, T. Hirota, M. Imai, A. Isella, I. Jim´enez-Serra, D. Johnstone, C. Kahane, B. Lefloch, L. Loinard, M. J. Maureira, S. Mercimek, A. Miotello, S. Mori, R. Nakatani, H. Nomura, Y. Oba, S. Ohashi, Y. Okoda, J. Ospina-Zamudio, Y. Oya, J. Pineda, L. Podio, A. Rimola, D. Segura Cox, Y. Shirley, V. Taquet, L. Testi, C. Vastel, S. Viti, N. Watanabe, A. Witzel, C. Xue, Y. Zhang, B. Zhao, and S. Yamamoto, Monthly Notices of the Royal Astronomical Society: Letters, 2020, 498, L87–L92.

“FAUST I, クラス1原始星(L1551 IRS5)中心の複雑有機分子”


76. ”Precometary organic matter: A hidden reservoir of water inside the snow line”

H. Nakano, N. Hirakawa, Y. Matsubara, S. Yamashita, T. Okuchi, K. Asahina, R. Tanaka, N. Suzuki, H. Naraoka, Y. Takano, S. Tachibana, T. Hama, Y. Oba, Y. Kimura, N. Watanabe & Akira Kouchi, Scientific Reports, 2020, 10, 7755.

“彗星母天体の有機物:スノーライン内部での水生成の可能性”


75. 「低温低圧環境下における触媒反応による有機分子の生成実験」

木村 勇気,佐藤 理佳子,𡈽山 明,為則 雄祐,羽馬 哲也,日髙 宏,渡部 直樹,香内 晃,永原 裕子,低温科学,78 巻, 79-90,2020.


74. 「宇宙と太陽系の水の起源と水の核スピン異性体」

羽馬 哲也,香内 晃,渡部 直樹,低温科学,78 巻,11-26,2020.


73. “Direct Measurements of Activation Energies for Surface Diffusion of CO and CO2 on Amorphous Solid Water Using In Situ Transmission Electron Microscopy”

A. Kouchi, K. Furuya, T. Hama, T. Chigai, T. Kozasa, and N. Watanabe, The Astrophysical Journal Letters, 2020, 891, L22(7pp).

“透過型電子顕微鏡によるアモルファス氷表面のCOとCO2の表面拡散の直接計測とその活性化エネルギーの導出”


72. “Interfacial Water Mediates Oligomerization Pathways of Monoterpene Carbocations”

S. Ishizuka, A. Matsugi, T. Hama, and S. Enami, The Journal of Physical Chemistry Letters, 2020, 11, 1, 67-74.

“液滴界面に存在する水分子がモノテルペンのカチオン重合機構を決定する”

2019

71. “H2 Ortho-Para Spin Conversion on Inhomogeneous Grain Surfaces”

K. Furuya, Y. Aikawa, T. Hama, and N. Watanabe, The Astrophysical Journal, 2019, 882, 172(11pp).

“不均一な星間塵表面におけるH2のオルソ‐パラ転換”                                                                              
 

70. “Acid-Catalyzed Oligomerization at the Air-Water Interface Modified by Competitive Adsorption of Surfactants”

S. Ishizuka, T. Hama, and S. Enami, The Journal of Physical Chemistry C, 2019, 123, 21662-21669.

“酸性の液滴界面でのカチオン重合における界面活性剤との競合吸着”

69. “Interactions of Atomic and Molecular Hydrogen with a Diamond-like Carbon Surface: H2 Formation and Desorption”

M. Tsuge, T. Hama, Y. Kimura, A. Kouchi, and N. Watanabe, The Astrophysical Journal, 2019, 878, 23(10pp).                                                                                            

“ダイヤモンドライクカーボン表面と水素原子,水素分子の相互作用:H2生成と脱離”

68. “Probing the Molecular Structure and Orientation of the Leaf Surface of Brassica oleracea L. by Polarization Modulation-Infrared Reflection-Absorption Spectroscopy”

T. Hama, K. Seki, A. Ishibashi, A. Miyazaki, A. Kouchi, N. Watanabe, T. Shimoaka, and T. Hasegawa, Plant and Cell Physiology, 2019, 60, 1567-1580.
Research Highlights July 2019.

“偏光変調反射吸収赤外分光法を用いたヤセイカンランの葉の表面の分子構造・配向に関する研究”

67. “The Surface of Ice under Equilibrium and Nonequilibrium Conditions”

Y. Nagata, T. Hama, E. H. G. Backus, M. Mezger, D. Bonn, M. Bonn, and G. Sazaki, Accounts of Chemical Research, 2019, 52, 1006-1015.

“平衡状態そして非平衡状態での氷の表面”

2018

66. “Immiscibility of Nucleating Aluminum Oxide Nanoparticles in Vapor”

S. Ishizuka, Y. Kimura, J. Kawano, R. Escribano, T. Yamazaki, T. Hama, and R. Sato

The Journal of Physical Chemistry C, 2018, 122, 25092-25101.

“気相での酸化アルミニウムナノ粒子の核生成における不混和性”


65. “Chain-propagation, chain-transfer, and hydride-abstraction by cyclic carbocations on water surfaces”

S. Ishizuka, A. Matsugi, T. Hama, and S. Enami, Physical Chemistry Chemical Physics, 2018, 20, 25256-25267.

“水界面における環状炭化水素の連鎖成長,連鎖移動,ヒドリド引き抜き反応”

64. “The uptake mechanism of atmospheric hydrogen chloride gas in ice crystals via hydrochloric acid droplets”

K. Nagashima, G. Sazaki, T. Hama, K. Murata, and Y. Furukawa, Crystal Growth & Design, 2018, 18, 4117-4122.

“塩酸は氷結晶内に液滴として取り込まれる”

63. “Controlling factors of oligomerization at the water surface: Why isoprene is a so unique VOC?”

S. Ishizuka, T. Fujii, A. Matsugi, Y. Sakamoto, T. Hama, and S. Enami, Physical Chemistry Chemical Physics, 2018, 20, 15400-15410.

“水界面での炭化水素の重合反応:なぜイソプレンの重合反応は速いのか?”

62. “The ortho-to-para ratio of water molecules desorbed from ice made from para-water monomers at 11 K”

T. Hama, A. Kouchi, and N. Watanabe, The Astrophysical Journal Letters, 2018, 857, L13(6pp).

“11 KでパラH2Oを凝集させ作製した氷から脱離したH2O分子のオルソ/パラ比”

61. “Adsorption energies of carbon, nitrogen, and oxygen atoms on the low-temperature amorphous water ice: A systematic estimation from quantum chemistry calculations”

T. Shimonishi, N. Nakatani, K. Furuya, and T. Hama, The Astrophysical Journal, 2018, 855, 27(11pp).

“C, N, O原子とアモルファス氷の吸着エネルギーについての量子化学計算”


60. 「超高真空極低温透過型電子顕微鏡の開発─氷のその場観察をめざして─」

香内晃,日高宏,羽馬哲也,木村勇気,渡部直樹,中坪俊一,藤田和之,新堀邦夫,池田正幸

日本雪氷学会誌 雪氷, 2018, 80,19-36.

59. 「低温H2O氷の光分解と脱離に関する実験的研究」

羽馬哲也

原子衝突学会誌「しょうとつ」, 2018, 15,4-21.

2017

58. “In Situ Nondestructive Analysis of Kalanchoe pinnata Leaf Surface Structure by Polarization Modulation Infrared Reflection Absorption Spectroscopy”,
T. Hama, A. Kouchi, N. Watanabe, S. Enami, T. Shimoaka, and T. Hasegawa
The Journal of Physical Chemistry B, 2017, 121, 11124-11131.
“偏光変調赤外反射吸収分光法を用いたセイロンベンケイソウの葉の非破壊その場分子構造解析”
DOI: 10.1021/acs.jpcb.7b09173

57. “Liquid-like behavior of UV-irradiated interstellar ice analog at low temperatures”,
S. Tachibana, A. Kouchi, T. Hama, Y. Oba, L. Piani, I. Sugawara, Y. Endo, H. Hidaka, Y. Kimura, K. Murata, H. Yurimoto, and N. Watanabe
Science Advances, 2017, 3, eaao2538.
“紫外光照射によって星間氷模擬物質は液体のように振る舞う”
DOI: 10.1126/sciadv.aao2538

56. 「星間塵表面における量子トンネル水素付加反応:その同位体効果と表面構造依存」
羽馬哲也,渡部直樹,香内晃
触媒, 2017, 59,242-248.

55. “Self-Assembly of MoO3 Needles in Gas Current for Cubic Formation Pathway”,
S. Ishizuka, Y. Kimura, S. Yokoi, T. Yamazaki, R. Sato, and T. Hama
Nanoscale, 2017, 9, 10109-10116.
“酸化モリブデン針状結晶の自己組織化による立方体状への形態変化”
DOI: 10.1039/C7NR02613G

54. “Fast crystalline ice formation at extremely low temperature through water/neon matrix sublimation”,
T. Hama, S. Ishizuka, T. Yamazaki, Y. Kimura, A. Kouchi, N. Watanabe, T. Sugimoto, and V. Pirronello
Physical Chemistry Chemical Physics, 2017, 19, 17677-17684.
“水/ネオンマトリックスの昇華による極低温での結晶氷生成”
DOI: 10.1039/C7CP03315J
This article is part of the themed collection: 2017 PCCP HOT Articles.

53. “Ortho-to-para ratio of water photodesorbed from ice at 10 K and the origin of interstellar water”,
T. Hama, A. Kouchi, and N Watanabe
Journal of the Vacuum Society of Japan, 2017, 60, 264-274 (in Japanese).
“10 Kの氷から光脱離する水の核スピン異性体比と宇宙の水の起源について”
https://doi.org/10.3131/jvsj2.60.264

52. “Simulations and Spectra of Water in CO Matrices”,
R. Escribano, E. Artacho, A. Kouchi, T. Hama, Y. Kimura, H. Hidaka, and N Watanabe
Physical Chemistry Chemical Physics, 2017, 19, 7280-7287.
“固体COマトリックス内のH2Oの赤外スペクトルシミュレーション”
DOI: 10.1039/C6CP08248C

51. “Evolution of morphological and physical properties of laboratory interstellar organic residues with ultraviolet irradiation”,
L. Piani, S. Tachibana, T. Hama, H. Tanaka, Y. Endo, I. Sugawara, L. Dessimoulie, Y. Kimura, A. Miyake, J. Matsuno, A. Tsuchiyama, K. Fujita, S. Nakatsubo, H. Fukushi, S. Mori, T. Chigai, H. Yurimoto and A. Kouchi
The Astrophysical Journal, 2017, 837, 35 (11pp).
“紫外光照射による星間有機物模擬物質の形状と物理特性の変化”
https://doi.org/10.3847/1538-4357/aa5ca6

50. “Hydrogenation and Deuteration of C2H2 and C2H4 on Cold Grains: Clue to the Formation Mechanism of C2H6 with Astronomical Interest”,
H. Kobayashi, H. Hidaka, T. Lamberts, T. Hama, H. Kawakita, J. Kästner, and N. Watanabe
The Astrophysical Journal, 2017, 837, 155 (15pp).
“低温な星間塵の表面におけるアセチレン(C2H2),エチレン(C2H4)の水素化・重水素化反応:星間空間におけるエタン(C2H6)の起源解明にむけて”
https://doi.org/10.3847/1538-4357/837/2/155

49. “Reactive Uptake of Gaseous Sesquiterpenes on Aqueous Surfaces”,
K. Matsuoka, Y. Sakamoto, T. Hama, Y. Kajii, S. Enami
The Journal of Physical Chemistry A, 2017, 121, 810-818.
“水界面におけるセスキテルペンの化学吸着”
DOI: 10.1021/acs.jpca.6b11821

2016

48. “Two-step Process in Homogeneous Nucleation of Alumina in Supersaturated Vapor”,
S. Ishizuka, Y. Kimura, T. Yamazaki, T. Hama, N. Watanabe, A. Kouchi
Chemistry of Materials, 2016, 28, 8732-8741.
“アルミナの過飽和蒸気中における「2段階」均一核生成機構”
DOI: 10.1021/acs.chemmater.6b04061

47. “Carboxylate Ion Availability at the Air-Water Interface”,
S. Enami, T. Fujii, Y. Sakamoto, T. Hama, Y. Kajii
The Journal of Physical Chemistry A, 2016, 120, 9224-9234.
“水/空気界面におけるカルボン酸イオンの界面嗜好性”
DOI: 10.1021/acs.jpca.6b08868

46. “Matrix sublimation method for the formation of high-density amorphous ice”,
A. Kouchi, T. Hama, Y. Kimura, H. Hidaka, R. Escribano, N. Watanabe,
Chemical Physics Letters, 2016, 658, 287-292.
“マトリックス蒸発法:新しいアモルファス氷の生成”
doi:10.1016/j.cplett.2016.06.066
Highlighted as an Editors’ Suggestion.

45. “Surface temperature-dependence of hydrogen ortho-para conversion on amorphous solid water”,
H. Ueta, N. Watanabe, T. Hama, and A. Kouchi,
Physical Review Letters, 2016, 116, 253201.
“アモルファス氷表面に吸着した水素分子の核スピン転換における強い表面温度依存性”
DOI: https://dx.doi.org/10.1103/PhysRevLett.116.253201
Highlighted as an Editors’ Suggestion.

44. 「宇宙の塵の化学:原子から分子・星・惑星系へ」
羽馬哲也,香内晃,渡部直樹
化学と教育, 2016, 64, 282-283.
https://www.chemistry.or.jp/journal/chemical-education/

43. 「太陽系の水の起源を知るための室内実験
-核スピン異性体比の解釈をめぐって-」
羽馬哲也
日本地球惑星科学連合ニュースレター, 2016, 12, 15-17.
https://www2.jpgu.org/publication/jgl/JGL-Vol12-2.pdf

42. 「星間空間における化学進化」
羽馬哲也
系外惑星の事典, 2016, 126-127,朝倉書店.

41. 「宇宙の水のオルト/パラ比は何を意味しているのか?
―実験によるアプローチ-」
羽馬哲也
分光学会ニュースレター, 2016,1,p.2.
https://www.bunkou.or.jp/prints/prints_5.html

40. 「固体芳香族炭化水素への水素・重水素原子付加から探る星間塵表面反応の速度論と同位体分別」
羽馬哲也,植田寛和,渡部直樹,香内晃
地球化学, 2016, 50,33-50.
doi:10.14934/chikyukagaku.50.33

39. “Direct Visualization of Quasi-Liquid Layers on Ice Crystal Surfaces Induced by Hydrogen Chloride Gas”,
K. Nagashima, G. Sazaki, T. Hama, H. Asakawa, K. Murata, and Y. Furukawa,
Crystal Growth & Design, 2016, 16, 2225-2230.
“塩化水素ガスの吸着により生じた擬似液体層の直接可視化”
DOI: 10.1021/acs.cgd.6b00044

38. 「有機エアロゾルに関する不均一反応研究の現状と課題:大気化学と理論化学の連携」
谷本浩志,金谷有剛,持田陸宏,廣川淳,猪俣敏,松本淳,薮下彰啓,江波進一,森田明弘,橋本健朗,竹川暢之,宮﨑雄三,森野悠,中山智喜,佐藤圭,坂本陽介,竹谷文一,羽馬哲也,加藤俊吾,河村公隆,秋元肇
大気化学研究, 2016, 34, 22-28.
https://sites.google.com/site/jpsac2016aacr/

37. “Statistical ortho-to-para ratio of water desorbed from ice at 10 kelvin”,
T. Hama, A. Kouchi, and N. Watanabe
Science, 2016, 351, 65-67.
“10 ケルビンの氷から脱離する水のオルト:パラ比は統計重率に従う”
DOI: 10.1126/science.aad4026
featured in Phys.org.

2015

36. “Signatures of quantum-tunneling diffusion of hydrogen atoms on water ice at 10 K”,
K. Kuwahata, T. Hama, A. Kouchi, and N. Watanabe
Physical Review Letters, 2015, 115, 133201.
“10 Kの氷に吸着した水素原子の量子トンネル効果による表面拡散”
https://dx.doi.org/10.1103/PhysRevLett.115.133201

35. “Quantum Tunneling Observed without Its Characteristic Large Kinetic Isotope Effects”,
T. Hama, H. Ueta, A. Kouchi, and N. Watanabe
Proceedings of the National Academy of Sciences of the United States of America, 2015, 112, 7438-7443.
“大きな速度論的同位体効果がない量子トンネル効果”
doi:10.1073/pnas.1501328112

34. “Nanodiamond Finding in the Hyblean Shallow Mantle Xenoliths”,
S. K. Simakov, A. Kouchi, N. N. Mel’nik, V. Scribano, Y. Kimura, T. Hama, N. Suzuki, H. Saito, and T. Yoshizawa,
Scientific Reports, 2015, 5, 10765.
“イタリアHyblean高原産浅部マントル捕獲岩中にナノダイヤモンドを発見”
doi:10.1038/srep10765

33. 「低温アモルファス氷表面における水素原子の拡散
-宇宙における分子進化の鍵-」
羽馬哲也,渡部直樹,香内晃
日本物理学会誌,70, 608-613 (2015)
https://www.jps.or.jp/books/gakkaishi/2015/08/708.php

2014

32. “General Discussion”,
Hama et al.,
Faraday Discussion, 2014, 168, 571-615.
This article is part of themed collection: Astrochemistry of Dust, Ice and Gas: Faraday Discussion 168. DOI: 10.1039/C4FD90002B

31. “Quantum Tunneling Hydrogenation of Solid Benzene and Its Control via Surface Structure”,
T. Hama, H. Ueta, A. Kouchi, N. Watanabe, and H. Tachikawa
The Journal of Physical Chemistry Letters, 2014, 5, 3843-3848.
“トンネル効果による固体ベンゼンへの水素原子付加と表面構造による反応の制御”
https://dx.doi.org/10.1021/jz5019948

2013

30. “Surface Processes on Interstellar Amorphous Solid Water: Adsorption, Diffusion, Tunneling Reactions, and Nuclear-Spin Conversion”,
T. Hama, N. Watanabe,
Chemical Reviews, 2013, 113 (12), pp 8783-8839.
“宇宙の氷の表面科学:吸着,拡散,量子トンネル反応,原子核スピン転換”
https://dx.doi.org/10.1021/cr4000978

Chemical Reviews covers resulting from our work.

29. “Nuclear spin temperatures of hydrogen and water molecules on amorphous solid water”,
N. Watanabe, T. Hama, A. Kouchi
AIP Conference Proceedings, 1543, 308-316, (2013).
“アモルファス氷に吸着したH2分子,H2O分子の原子核スピン温度について”
https://dx.doi.org/10.1063/1.4812625

28. “Photochemical reaction processes during vacuum-ultraviolet irradiation of water ice”,

A. Yabushita, T. Hama, M. Kawasaki
Journal of Photochemistry and Photobiology C: Photochemistry Reviews, 16, 46-61. (2013)
“真空紫外光による氷の光反応”
https://dx.doi.org/10.1016/j.jphotochemrev.2013.01.001

2012

27. “The Mechanism of Surface Diffusion of H and D Atoms on Amorphous Solid Water: Existence of Various Potential Sites”,
T. Hama, K. Kuwahata, N. Watanabe, A. Kouchi, Y. Kimura. T. Chigai, V. Pirronello
The Astrophysical Journal, 757, 185 (2012)
“アモルファス氷上における水素原子の拡散メカニズム:そのポテンシャルの分布”
doi:10.1088/0004-637X/757/2/185

26. “Water formation through a quantum tunneling surface reaction, OH + H2, at 10 K.”

Y. Oba, N. Watanabe, T. Hama, K. Kuwahata, H. Hidaka, and A. Kouchi.
The Astrophysical Journal, 749, 67, (2012).
“量子トンネル効果によってすすむOH + H2表面反応(10 K)からのH2O生成”
doi:10.1088/0004-637X/749/1/67

25. 「星間分子雲での微粒子表面における水素の化学物理過程」
渡部直樹,香内晃,羽馬哲也,大場康弘,千貝健 表面科学,33, 661 (2012)
https://doi.org/10.1380/jsssj.33.662

2011

24. “Spin temperature of water molecules desorbed from the surfaces of amorphous solid water, vapor-deposited and produced from photolysis of a CH4/O2 solid mixture”
T. Hama, N. Watanabe, A. Kouchi, and M. Yokoyama.
The Astrophysical Journal Letters, 738, L15 (2011)
“アモルファス氷から熱脱離した水分子の原子核スピン温度の測定、低温表面に蒸着させた場合とCH4/O2混合氷の光分解から水分子を生成させた場合”
doi:10.1088/2041-8205/738/1/L15

23. “Experimental studies of surface reactions among OH radicals that yield H2O and CO2 at 40-60 K”
Y. Oba, N. Watanabe, A. Kouchi, T. Hama, and V. Pirronello.
Physical Chemistry Chemical Physics, 13, 15792 (2011)
“OHラジカルの表面反応によるH2OおよびCO2生成、40-60 Kの場合”
DOI: 10.1039/C1CP20596J

22. “A theoretical and experimental study on translational and internal energies of H2O and OH from the 157 nm irradiation of amorphous solid water at 90 K”
S. Andersson, C. Arasa, A. Yabushita, M. Yokoyama, T. Hama, M. Kawasaki, C. M. Western and M. N. R. Ashfold.
Physical Chemistry Chemical Physics, 13, 15810 (2011)
“157 nmレーザー光照射により90 Kのアモルファス氷から脱離したH2O分子とOHラジカルがもつエネルギーに関する理論および実験研究”
DOI: 10.1039/C1CP21138B

21. “Surface abundance change in vacuum ultraviolet photodissociation of CO2 and H2O mixture ices”
“H2O/CO2混合氷の光分解によるCO2表面濃度の上昇”
T. Kinugawa, A. Yabushita, M. Kawasaki, T. Hama, and N. Watanabe.
Physical Chemistry Chemical Physics, 13, 15785 (2011)
DOI: 10.1039/C1CP20595A

20. “Laboratory studies on the formation of formic Acid (HCOOH) in interstellar and cometary ices”
C. J. Bennett, T. Hama, Y. S. Kim, M. Kawasaki, and R. I. Kaiser,
The Astrophysical Journal, 727, 27. (2011)
“分子雲を模した氷(H2O/CO混合氷)への高エネルギー電子線照射によるギ酸生成”
doi:10.1088/0004-637X/727/1/27

19. “Translational and rotational energy measurements of desorbed water molecules in their vibrational ground state following 157 nm irradiation of amorphous solid water “
T. Hama, M. Yokoyama, A. Yabushita, M. Kawasaki and N. Watanabe,
Nuclear Instruments and Methods in Physics Research B,
Atomic Collisions in Solids – Proceedings of the 24th International Conference on Atomic Collisions in Solids (ICACS-24)
, 269, 1011. (2011)
“氷への157 nmレーザー光照射により脱離した水分子のエネルギー分布測定”
(ICACS-24のプロシ-ディングス)
doi:10.1016/j.nimb.2010.12.031

18. 「星間分子雲における二酸化炭素生成に関する実験的研究」
大場 康弘, 渡部 直樹, 香内 晃, 羽馬 哲也, ピロネロ バレリオ
地球化学, 45, 213-226 (2011)
https://www.geochem.jp/journal_j/contents/045.html

2010

17. “Formation of carbonic acid (H2CO3) by surface reactions of non-energetic OH radicals with CO molecules at low temperatures”
Oba Y., Watanabe N., Kouchi A., Hama T., and Pirronello V.
The Astrophysical Journal, 722, 1598-1606. (2010)
“極低温表面上でのCOと低エネルギーなOHの反応による炭酸生成”
doi:10.1088/0004-637X/722/2/1598

16. “Role of OH radicals in the formation of oxygen molecules following vacuum ultraviolet photodissociation of amorphous solid water”
T. Hama, M. Yokoyama, A. Yabushita, & M. Kawasaki,
J. Chem. Phys. 133, 104504 (2010)
“アモルファス氷への真空紫外光照射によるOHラジカル生成およびそれに伴う酸素分子生成について”
https://dx.doi.org/10.1063/1.3474999

15. “Direct measurements of hydrogen atom diffusion and the spin temperature of nascent H2 molecule on amorphous solid water”
N. Watanabe, Y. Kimura, A. Kouchi, T. Chigai, T. Hama, & V. Pirronello,
Astrophys. J. Lett. 714, L233 (2010)
“アモルファス氷上を拡散する水素原子の直接検出ならびに氷上で生成した水素分子の原子核スピン温度の測定実験”
doi:10.1088/2041-8205/714/2/L233

14. “A desorption mechanism of water following vacuum-ultraviolet irradiation on amorphous solid water at 90 K”
T. Hama, M. Yokoyama, A. Yabushita, M. Kawasaki, S. Andersson, C.M. Western, M.N.R. Ashfold, R.N. Dixon, & N. Watanabe,
J. Chem. Phys. 132, 164508 (2010)
“アモルファス氷への真空紫外光照射による水分子脱離メカニズム”
https://dx.doi.org/10.1063/1.3386577

13. “Experimental study of CO2 formation by surface reactions of non-energetic OH radicals with CO molecules”

Y. Oba, N. Watanabe, A. Kouchi, T. Hama, & V. Pirronello,
Astrophys. J. Lett. 712, L174 (2010)
“極低温表面上でのCOとOHラジカルの反応による二酸化炭素生成実験”
doi:10.1088/2041-8205/712/2/L174

12. 「157 nmレーザー光照射による氷からのOHラジカルとO原子の脱離機構」
羽馬哲也
原子衝突研究協会誌「しょうとつ」, 第7巻, p5-15  (2010年)

2009

11. “Translational and internal energy distributions of methyl and hydroxyl radicals produced by 157 nm photodissociation of amorphous solid methanol”
T. Hama, M. Yokoyama, A. Yabushita, M. Kawasaki, P. Wickramasinghe, W. Guo, H.-P. Loock, M.N.R. Ashfold, & C.M. Western,
J. Chem. Phys. 131, 224512 (2009)
“固体メタノールを157 nmの光で分解したときに生成したCH3ラジカルとOHラジカルの内部エネルギー分布測定”https://dx.doi.org/10.1063/1.3259877

10. “Formation mechanisms of oxygen atoms in the O(3PJ) state from the 157 nm photoirradiation of amorphous water ice at 90 K”
T. Hama, A. Yabushita, M. Yokoyama, M. Kawasaki, & N. Watanabe,
J. Chem. Phys. 131, 114511 (2009)
“氷を157 nmの光で分解することで生成した基底状態のO(3P)原子の生成機構”
https://dx.doi.org/10.1063/1.3194797

9. “Formation mechanisms of oxygen atoms in the O(1D2) state from the 157 nm photoirradiation of amorphous water ice at 90 K”
T. Hama, A. Yabushita, M. Yokoyama, M. Kawasaki, & N. Watanabe,
J. Chem. Phys. 131, 114510 (2009)
“氷を157 nmの光で分解することで生成した励起状態にあるO(1D)原子の生成機構”
https://dx.doi.org/10.1063/1.3194798

8. “Desorption of hydroxyl radicals in the vacuum ultraviolet photolysis of amorphous solid water at 90 K”
T. Hama, A. Yabushita, M. Yokoyama, M. Kawasaki, & S. Andersson,
J. Chem. Phys. 131, 054508 (2009)
“真空紫外光照射によるアモルファス氷からのOHラジカル光脱離”
https://dx.doi.org/10.1063/1.3191731

7. “Translational and rotational energy measurements of photodesorbed water molecules in their vibrational ground state from amorphous solid water”
A. Yabushita, T. Hama, M. Yokoyama, M. Kawasaki, S. Andersson, R. N. Dixon, M. N. R. Ashfold, & N. Watanabe,
Astrophys. J. Lett. 699, L80 (2009)
“アモルファス氷から光脱離した振動基底状態にある水分子の並進および回転エネルギー”
doi:10.1088/0004-637X/699/2/L80

6. “Translational and internal states of hydrogen molecules produced from the ultraviolet photodissociation of amorphous solid methanol”
T. Hama, M. Yokoyama, A. Yabushita, & M. Kawasaki,
J. Chem. Phys. 130, 164505 (2009)
“アモルファス固体メタノールの光分解から生成した水素分子の並進エネルギーと内部エネルギー状態”
https://dx.doi.org/10.1063/1.3100961

2008

5. “Direct observation of OH radicals ejected from water ice surface in the photoirradiation of nitrate adsorbed on ice at 100 K”
A. Yabushita, D. Iida, T. Hama, & M. Kawasaki,
J. Phys Chem. A 112, 9763 (2008)
“100 Kの氷に吸着した硝酸塩への光照射によるOHラジカルの気相への放出”
DOI: 10.1021/jp804622z

4. “Release of hydrogen molecules from the photodissociation of amorphous solid water and polycrystalline ice at 157 and 193 nm”
A. Yabushita, T. Hama, D. Iida, N. Kawanaka, M. Kawasaki, N. Watanabe, M. N. R. Ashfold, & H-P. Loock,
J. Chem. Phys. 129, 044501 (2008)
“アモルファス氷と多結晶化氷に157 nmおよび193 nmの光を照射したときに生成した水素分子の気相への放出”
https://dx.doi.org/10.1063/1.2953714

3. “Measurements of energy partitioning in H2 formation by photolysis of amorphous water ice”
A. Yabushita, T. Hama, D. Iida, N. Kawanaka, M. Kawasaki, N. Watanabe, M. N. R. Ashfold, & H-P. Loock,
Astrophys. J. Lett., 682, L69 (2008)
“アモルファス氷の光分解により生成した水素分子のエネルギー分布の測定”
doi:10.1086/590531

2. “Hydrogen peroxide formation following the vacuum ultraviolet photodissociation of water ice films at 90 K”

A. Yabushita, T. Hama, D. Iida, & M. Kawasaki,
J. Chem. Phys. 129, 014709 (2008)
“90 Kにおけるアモルファス氷の光分解による過酸化水素生成”
https://dx.doi.org/10.1063/1.2950093

1. 「氷表面の光分解から生成する振動回転励起した水素分子」 

薮下彰啓、飯田大輔、羽馬哲也、川﨑昌博 

低温科学, 第66巻, p23-30  (2008年)