RYOTA FUKAI HP

CONFERENCES

2021

[1] 深井 稜汰, 第4回水惑星学全体会議 @ 金沢, 3/8-9, 2021.

(Oral) "Cr同位体不均質モデル構築による炭素質小惑星の形成領域の推定"

[2] Ryota Fukai and Sota Arakawa, LPSC, 3/15-19, 2021.

(Poster) "The Evolutional Model of Chromium Isotopic Heterogeneities in the Protoplanetary Disk"

[3] Kaori Hirata, Tomohiro Usui, Ryuki Hyodo, Hidenori Genda, Ryota Fukai, David J. Lawrence, Nancy L. Chabot, and Patrick N. Peplowski, LPSC, 3/15-19, 2021.

(Poster) "Constraints on the Origin of Phobos Using Major Element Data Obtained by MMX MEGANE"

[4] Toru Yada et al. inc. Ryota Fukai, LPSC, 3/15-19, 2021.

(Oral) "Handling and Description of C-Type Asteroid Ryugu Samples Returned by Hayabusa2"

[5] 平田 佳織, 臼井 寛裕, 兵頭 龍樹, 玄田 英典, 深井 稜汰, David Lawrence, Nancy Chabot, Patrick Peplowski, 草野 広樹, JpGU, 5/30–6/6, 2021.

(Oral) "MMX/MEGANEの元素組成データを用いたPhobosの起源の制約について"

[6] 矢田 達ほか. inc. 深井 稜汰, JpGU, 5/30–6/6, 2021.

(Oral) "Progress report of initial description of the C-type asteroid Ryugu samples returned by Hayabusa2"


2020

[1] Ryota Fukai and Sota Arakawa, LPSC @ The woodlands, 3/16-20, 2020 (Cancellation).

(Poster) "Formation Region of Carbonaceous Chondrites Parent Bodies Inferred from Nucleosynthetic Isotopic Anomalies"

[2] Ryota Fukai, Hisashi Asanuma, Tsuyoshi Komiya, Tetsuya Yokoyama, and Takafumi Hirata, Goldschmidt Virtual, 6/21-26, 2020.

(Virtual) "Assessments of the Effects by Mass-Dependent Fractionation for 142Nd Compositions in Archean Rocks"

[3] Tetsuya Yokoyama, Ryota Fukai, Yuichiro Nagai, and Takafumi Hirata, Goldschmidt Virtual, 6/21-26, 2020.

(Virtual/Keynote) "Origin and Evolution of Distinct Isotopic Variabilities for Sr, Mo, and Nd within CC and NC Reservoirs"

[4] Ryota Fukai and Sota Arakawa, JpGU-AGU Virtual, 7/12-16, 2020.

(Virtual) "Formation region of volatile-rich asteroids inferred from nucleosynthetic isotope variations in carbonaceous chondrites"

[5] Tetsuya Yokoyama, Ryota Fukai, Yuichiro Nagai, and Takafumi Hirata, JpGU-AGU Virtual, 7/12-16, 2020.

(Virtual) "Origin and evolution of distinct isotopic variabilities for Sr, Mo, and Nd within inner and outer solar system"

[6] 荒川 創太, 深井 稜汰, 新学術領域「星惑星形成」 2020年度大研究会, 9/30-10/3, 2020.

(Virtual) "原始太陽系星雲の核合成起源同位体不均質:ダスト粒子の移流・拡散・落下の影響について"

[7] 深井 稜汰, 浅沼 尚, 小宮 剛, 横山哲也, 平田岳史, 若木重行, 日本地球化学会, 11/19-21, 2020.

(Virtual/基調講演) "太古代岩石の142Nd異常に対する質量依存Nd同位体分別による影響"

[8] 深井 稜汰, 横山哲也, 若木重行, 日本質量分析学会同位体比部会, 11/23-25, 2020.

(Virtual) "平衡論的同位体効果が放射性起源Nd同位体比測定に与える影響"


2019
(筆頭)  国際学会: 3件(口頭2件) 国内学会: 1件(口頭0件)
(共著含む)国際学会: 1件(口頭1件) 国内学会: 1件(口頭1件)

[1] Ryota Fukai and Tetsuya Yokoyama, LPSC @ The woodlands, 3/17-22, 2019.

(Oral) "Nucleosynthetic strontium-neodymium isotope correlation in chondrites: Evidence for nebular thermal processing and dust transportation in the early Solar System"

[2] Tetsuya Yokoyama, Yuichiro Nagai, Ryota Fukai and Takafumi Hirata, LPSC @ The woodlands, 3/17-22, 2019.

(Oral) "Molybdenum isotopic evidence for nebular thermal processing and material transportation in the inner Solar System"

[3] Ryota Fukai, Kei Sugimoto and Tetsuya Yokoyama, JpGU @ 幕張, 5/26-30, 2019.

(Poster) "Nucleosynthetic Sr and Nd isotopic anomalies of bulk differentiated meteorites"

[4] Ryota Fukai and Tetsuya Yokoyama, OMEG15 @ Kyoto, 7/2-5, 2019.

(Oral) "Isotopic anomalies of trans-iron elements observed in meteorites: Constraint for nucleosynthesis"

[5] Ryota Fukai, Kei Sugimoto and Tetsuya Yokoyama, Goldschmidt @ Barcelona, 8/19-23, 2019.

(Poster) "Nucleosynthetic Sr and Nd isotopic anomalies of bulk differentiated meteorites"

[6] 横山 哲也, 〇深井 稜汰, 第3回水惑星学全体会議 @ 高知, 11/12-14, 2019. (〇:発表者)

(Oral) "小惑星形成領域の重元素安定同位体進化"


2018
(筆頭)  国際学会: 1件(口頭1件) 国内学会: 2件(口頭1件)
(共著含む)国際学会: 2件(口頭2件) 国内学会: 4件(口頭2件)

[1] Tetsuya Yokoyama, Ryota Fukai and Takuji Tsujimoto, LPSC @ The woodlands, 3/20-24, 2018.

(Oral) "Meteoritical perspective on the origin of r-process nuclides in the solar system"

[2] Ryota Fukai and Tetsuya Yokoyama, Goldschmidt @ Boston, 760, 8/12-17, 2018.

(Oral) "Nucleosynthetic Sr-Nd correlation in bulk chondrites: Evidence for nebular thermal processing and transportation of refractory dusts in the early Solar System"

[3] 深井 稜汰, 横山 哲也, 日本地球化学会 @ 沖縄, 9/11-13, 2018.

(Oral) "コンドライト隕石全岩に見られる核合成起源Sr-Nd同位体異常の相関"

[4] 杉本 圭, 深井 稜汰, 横山 哲也, 若木 重行, 日本地球化学会 @ 沖縄, 9/11-13, 2018.

(Poster) "NC隕石のSr安定同位体異常測定に向けた分析手法の開発"

[5] 越田 渓子, 石川 晃, 横山 哲也, 鏡味 沙耶, 深井 稜汰, 鈴木 勝彦, 木村 純一, 常 青, 宮崎 隆, 小宮 剛, 日本地球化学会 @ 沖縄, 9/11-13, 2018.

(Oral) "176Lu-176Hf, 147Sm-143Nd同位体系から探るアカスタ片麻岩体苦鉄質岩の形成年代"

[6] 深井 稜汰, 横山 哲也, NINS 分野融合型共同研究ワークショップ @ 京都, 10/12, 2018.

(Poster) "TIMSイオン源で起きる二次的な質量依存同位体分別:超高精度Nd同位体分析への応用"


2017
(筆頭)  国際学会: 3件(口頭2件) 国内学会: 5件(口頭4件)
(共著含む)国際学会: 4件(口頭3件) 国内学会: 7件(口頭6件)

[1] Ryota Fukai, Aftershops of 5th ELSI International Symposium, 1/16-17, 2017.

[2] Ryota Fukai, Tetsuya Yokoyama, Wataru Okui and Sho Hasegawa, JpGU @ 幕張, 5/19-24, 2017.

(Oral) "High precision Sr isotope measurements for bulk chondrites with complete sample digestion"

[3] 深井 稜汰, X線天体と元素合成を中心とする宇宙核物理研究会 @ 理研, 7/20-21, 2017.

(Oral) "隕石の希土類元素に見られるp核種の同位体不均質性"

[4] Ryota Fukai, Tetsuya Yokoyama, Wataru Okui and Sho Hasegawa, Goldschmidt @ Paris, 2031, 8/13-18, 2017.

(Poster) "High precision Sr isotope measurements for bulk chondrites with complete sample digestion"

[5] Tetsuya Yokoyama, Ryota Fukai and Takuji Tsujimoto, Goldschmidt @ Paris, 2031, 8/13-18, 2017.

(Oral) "Origin of r-process nuclides in the Solar System: Astronomical and meteoritical perspectives"

[6] 深井 稜汰, 横山 哲也, 杉本 圭, 奥井 航, 長谷川 翔, 日本地球化学会 @ 東京, 9/13-15, 2017.

(Oral) "コンドライト隕石全岩のSr-Nd同位体異常に見られる初期太陽系の同位体二分性"

[7] 深井 稜汰, 横山 哲也, 日本地球化学会 @ 東京, 9/13-15, 2017. 若手発表賞

(Poster) "TIMSのイオン源で起きる二次的な質量依存分別:超高精度Nd同位体分析に向けた検討"

[8] 横山 哲也, 深井 稜汰, 辻本 拓司, 日本地球化学会 @ 東京, 9/13-15, 2017.

(Oral) "隕石の核合成起源同位体異常とr-核種の起源"

[9] 杉本 圭, 深井 稜汰, 横山 哲也, 鏡味 沙耶, 羽場 麻希子, 日本地球化学会 @ 東京, 9/13-15, 2017.

(Oral) "非炭素質コンドライト隕石の高精度Sr同位体測定"

[10] 深井 稜汰, 横山 哲也, 杉本 圭, 日本質量分析学会同位体比部会 @ 熱川, 11/8-10, 2017.

(Oral) "TIMSによる超高精度Sr同位体測定"

[11] Ryota Fukai, Tetsuya Yokoyama, and Kei Sugimoto, The Eighth Symposium on Polar Science @ Tokyo, OA00029, 12/6-7, 2017.

(Oral) "Isotopic dichotomy in the early Solar System inferred from nucleosynthetic Sr isotope anomalies in bulk chondrites"


2016
(筆頭)  国際学会: 3件(口頭3件) 国内学会: 1件(口頭1件)
(共著含む)国際学会: 5件(口頭3件) 国内学会: 3件(口頭2件)

[1] Ryota Fukai and Tetsuya Yokoyama, LPSC @ The woodlands, 3/21-25, 2016.

(Oral) "Nucleosynthetic neodymium isotope anomalies in carbonaceous and ordinary chondrites"

[2] Tetsuya Yokoyama, Masaki Nakahara and Ryota Fukai, LPSC @ The woodlands, 3/21-25, 2016.

(Poster) "Nucleosynthetic Yb isotope anomalies in chondrites"

[3] Ryota Fukai and Tetsuya Yokoyama, JpGU @ 幕張, 5/22-26, 2016.

(Oral) "Nucleosynthetic neodymium isotope anomalies in carbonaceous and ordinary chondrites"

[4] Tetsuya Yokoyama, Masaki Nakahara and Ryota Fukai, JpGU @ 幕張, 5/22-26, 2016.

(Poster) "Nucleosynthetic Yb isotope anomalies in chondrites"

[5] Ryota Fukai and Tetsuya Yokoyama, Goldschmidt @ Yokohama, 6/26-7/1, 2016.

(Oral) "Nucleosynthetic neodymium isotope anomalies in bulk chondrites"

[6] Tetsuya Yokoyama, Masaki Nakahara and Ryota Fukai, Goldschmidt @ Yokohama, 6/26-7/1, 2016.

(Poster) "Nucleosynthetic Yb isotope anomalies in chondrites"

[7] 越田 渓子, 石川 晃, 横山 哲也, 鏡味 沙耶, 深井 稜汰, 小宮 剛, 日本地球化学会 @ 大阪, 9/14-16, 2016.

(Oral) "アカスタ片麻岩体苦鉄質岩の142Nd同位体から制約する冥王代マントル進化"

[8] Ryota Fukai, Tetsuya Yokoyama and Wataru Okui, The Seventh Symposium on Polar Science @ Tokyo, 11/29-12/2, 2016.

(Oral) "Nucleosynthetic neodymium isotope anomalies of bulk chondrites"


2015
(筆頭)  国際学会: 2件(口頭0件) 国内学会: 2件(口頭2件)
(共著含む)国際学会: 3件(口頭0件) 国内学会: 3件(口頭3件)

[1] Ryota Fukai, Tetsuya Yokoyama, Saya Kagami and Hirokazu Takahashi, LPSC @ The woodlands, 3/16-20, 2015.

(Poster) "High precision Nd isotopic analysis of chondrites with complete sample digestion"

[2] Saya Kagami, Tetsuya Yokoyama, Tomohiro Usui and Ryota Fukai, LPSC @ The woodlands, 3/16-20, 2015.

(Poster) "147Sm - 143Nd and 146Sm - 142Nd chronology of a basaltic eucrite, NWA 7188"

[3] Ryota Fukai, Tetsuya Yokoyama and Saya Kagami, JpGU @ 幕張, 5/24-28, 2015. 学生優秀発表賞

(Oral) "High precision neodymium isotopic analysis of chondrites with complete sample digestion"

[4] Saya Kagami, Tetsuya Yokoyama, Tomohiro Usui and Ryota Fukai, JpGU @ 幕張, 5/24-28, 2015.

(Oral) "147Sm - 143Nd and 146Sm - 142Nd chronology of a basaltic eucrite, NWA 7188"

[5] Ryota Fukai, Tetsuya Yokoyama and Saya Kagami, Goldschmidt @ Prague, 8/16-21, 2015.

(Poster) "High precision Nd isotope analysis using TIMS with improved dynamic-multicollection method"

[6] 深井 稜汰, 横山 哲也, 鏡味 沙耶, 日本地球化学会 @ 横浜, 9/16-18, 2015. 若手発表賞

(Oral) "完全分解法を用いた炭素質コンドライト全岩の高精度Nd同位体比測定"


2014
(筆頭)  国際学会: 1件(口頭0件) 国内学会: 1件(口頭0件)
(共著含む)国際学会: 1件(口頭0件) 国内学会: 1件(口頭0件)

[1] Ryota Fukai and Tetsuya Yokoyama, Geofluid 3 @ Tokyo, 2/28-3/3, 2014.

(Poster) "Os isotope anomalies in ealy acid leachates from chondrites"

[2] 深井 稜汰, 横山 哲也, 高橋 宏和, 日本地球化学会 @ 富山, 9/16-18, 2014.

(Oral) "超高精度同位体分析によるコンドライト隕石全岩のNd同位体比測定"

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