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Shin-ichi Kawada

Finally I got my PhD degree on February 5.
After that, I will start new work at DESY, Hamburg, Deutschland.

I attended only twice for 10 days anniversary live at Hiroshima.


I attended only 8 times for "Perfume 5th Tour Gurun Gurun"

Photo: Perfume 4th Tour in DOME "LEVEL3"
Left: @ Kyocera Dome Osaka (2013/12/7 - 8)
Right: @ Tokyo Dome (2013/12/24 - 25)

Photo: The objet of "JPN" (Perfume 3rd Tour "JPN" @ Nippon Budoukan)
(This photo was taken on 2012/5/9.)

Photo: Silver tape of "Perfume LIVE @ TOKYO DOME "1 2 3 4 5 6 7 8 9 10 11"" (2010/11/3)

Name: Shin-ichi Kawada (川田真一)
Position: D4
E-mail: s-kawada[atmark]huhep.org
Please change [atmark] to @.

Research theme 1: "Development of a high intensity positron source with hybrid target"
Research theme 2: "Feasibility study of Higgs pair creation in a photon linear collider"
Research theme 3: "Development of a positron source for ILC with conventional scheme"
Research theme 4: "Higgs branching ratio (BR) study (h ---> tau+tau- channel) in the ILC"
Research theme 5: "Development of a GEM-based TPC for a linear collider"

KEYWORDS for research theme 1:
ILC, beam, positron source, Geant4 simulation
KEYWORDS for research theme 2:
ILC, PLC, simulation, Higgs, standard model (SM), data analysis, neural network
KEYWORDS for research theme 3:
ILC, beam, positron source, Geant4 simulation
KEYWORDS for research theme 4:
ILC, ILD, simulation, Higgs, standard model (SM), tau, data analysis, multi-variate analysis (MVA)
KEYWORDS for research theme 5:
ILC, ILD, TPC, GEM

PhD thesis will be available at Hiroshima University Repository.

Papers
S. Kawada, K. Fujii, T. Suehara, T. Takahashi, T. Tanabe
"A study of the measurement precision of the Higgs boson decaying into tau pairs at the ILC"

Y. Uesugi, T. Akagi, R. Chehab, O. Dadoun, K. Furukawa, T. Kamitani, S. Kawada, T. Omori, T. Takahashi, K. Umemori, J. Urakawa, M. Satoh, V. Strakhovenko, T. Suwada, A. Variola
"Development of an intense positron source using a crystal-amorphous hybrid target for linear colliders"

Conveners: Sally Dawson, Andrei Gritsan, Heather Logan, Jianming Qian, Chris Tully, Rick Van Kooten
Authors: A. Ajaib, A. Anastassov, I. Anderson, O. Bake, V. Barger, T. Barklow, B. Batell, M. Battaglia, S. Berge, A. Blondel, S. Bolognesi, J. Brau, E.Brownson, M. Cahill-Rowley, C. Calancha-Paredes, C.-Y. Chen, W. Chou, R. Clare, D. Cline, N. Craig, K. Cranmer, M. de Gruttola, A. Elagin, R. Essig, L. Everett, E. Feng, K. Fujii, J. Gainer, Y. Gao, I. Gogoladze, S. Gori, R. Goncalo, N. Graf, C. Grojean, S. Guindon, T. Han, G. Hanson, R. Harnik, B. Heinemann, S. Heinemeyer, U. Heintz, J. Hewett, Y. Ilchenko, A. Ismail, V. Jain, P. Janot, S. Kawada, R. Kehoe, M. Klute, A. Kotwal, K. Krueger, G. Kukartsev, K. Kumar, J. Kunkle, I. Lewis, Y. Li, L. Linssen, E. Lipeles, R. Lipton, T. Liss, J. List, T. Liu, Z. Liu, I. Low, T. Ma, P. Mackenzie, B. Mellado, K. Melnikov, G. Moortgat-Pick, G. Mourou, M. Narain, J. Nielsen, N. Okada, H. Okawa, J. Olsen, P. Onyisi, N. Parashar, M. Peskin, F. Petriello, T. Plehn, C. Pollard, C. Potter, K. Proko.ev, M. Rauch, T. Rizzo, T. Robens, V. Rodriguez, P. Rolo., R. Ruiz, V. Sanz, J. Sayre, Q. Sha., G. Shaughnessy, M. Sher, F. Simon, N. Solyak, J. Stupak, S. Su, T. Tanabe, T. Tajima, V. Telnov, J. Tian, S. Thomas, M. Thomson, C. Un, M. Velasco, C. Wagner, S. Wang, A. Whitbeck, W. Yao, H. Yokoya, S. Zenz, D. Zerwas, Y. Zhang, Y. Zhou
"Higgs Working Group Report of the Snowmass 2013 Community Planning Study"
arXiv:1310.8361 [hep-ex] (2013, non-refereed)

D. M. Asner, T. Barklow, C. Calancha, K. Fujii, N. Graf, H. E. Haber, A. Ishikawa, S. Kanemura, S. Kawada, M. Kurata, A. Miyamoto, H. Neal, H. Ono, C. Potter, J. Strube, T. Suehara, T. Tanabe, J. Tian, K. Tsumura, S. Watanuki, G. Weiglein, K. Yagyu, H. Yokoya
"ILC Higgs White Paper"
arXiv:1310.0763 [hep-ph] (2013, non-refereed)

S. Kawada, K. Fujii, T. Suehara, T. Takahashi, T. Tanabe
"Evaluation of measurement accuracy of h \to \tau ^+ \tau ^- branching ratio at the ILC with \sqrt{s} = 250 GeV and 500 GeV"
arXiv:1308.5489 [hep-ex] (2013, non-refereed)

S. Kawada, K. Fujii, T. Suehara, T, Takahashi, T. Tanabe
"H \to \tau \tau branching ratio study at \sqrt{s} = 250 GeV at the ILC with ILD detectror"
LC-Note LC-REP-2013-001(PDF) (2013, non-refereed)

S. Kawada, N. Maeda, T. Takahashi, K. Ikematsu, K. Fujii, Y. Kurihara, K. Tsumura, D. Harada, S. Kanemura
"Feasibility study of the measurement of Higgs pair creation at a photon linear collider"

T. Omori, T. Takahashi, S. Riemann, W. Gei, J. Gao, S. Kawada, W. Liu, N. Okuda, G. Pei, J. Urakawa, A. Ushakov
"A conventional positron source for international linear collider"

Proceedings
S. Kawada, K. Fujii, T. Suehara, T. Takahashi, T. Tanabe, H. Yokoyama
"Measuring BR(h \to \tau^+ \tau^-) at the ILC: a full simulation study"
proceedings of LCWS14
arXiv:1503.08055 [hep-ex] (2015, non-refereed)

Y. Kato, R. Yonamine, P. Gros, J. Tian, S. Kawada, K. Fujii, T. Matsuda, A. Sugiyama, O. Nitoh, T. Watanabe, T. Fusayasu, T. Takahashi, M. Kobayashi
"Activity report of ILD-TPC Asia group"
proceedings of LCWS13

S. Kawada, K. Fujii, T. Suehara, T. Takahashi, T. Tanabe
"Full Simulation Study of the Higgs Branching Ratio into Tau Lepton Pairs at the ILC with \sqrt{s} = 500 GeV"
proceedings of LCWS13
arXiv:1403.7008 [hep-ex] (2014, non-refereed)

S. Kawada, K. Fujii, T. Suehara, T. Takahashi, T. Tanabe
"Higgs Boson Decays to Tau Pairs at the ILC with the ILD Detector"
proceedings of APPC12

R. Yonamine, K. Fujii, K. Ikematsu, A. Ishikawa, T. Fusayasu, P. Gros, Y. Kato, S. Kawada, M. Kobayashi, T. Matsuda, O. Nitoh, R. D. Settles, A. Sugiyama, T. Takahashi, J. Tian, T. Watanabe
"Spatial resolutions of GEM TPC. A novel theoretical formula and its comparison to latest beam test data"
proceedings of MPGD2013

P. Gros, K. Fujii, T. Fusayasu, Y. Kato, S. Kawada, M. Kobayashi, T. Matsuda, O. Nitoh, A. Sugiyama, T. Takahashi, J. Tian, T. Watanabe, R. Yonamine
"Blocking positive ion backflow using a GEM gate: experiment and simulations"
proceedings of MPGD2013

S. Kawada, K. Ikematsu, T. Takahashi, K. Fujii, Y. Kurihara
"Feasibility study of measurement of Higgs pair creation in a gamma gamma collider"
arXiv:1201.6147 [hep-ex], proceedings of LCWS11 (2012, non-refereed)
This proceedings also available at LC-Note LC-REP-2012-025(PDF).

Talks
S. Kawada, T. Tanabe, T. Suehara, T. Takahashi, K. Fujii, H. Yokoyama
"Branching ratio study of Higgs boson decaying into tau pairs with ILD at the ILC"
ALCW2015 @ KEK, Japan (2015)

S. Kawada
"Status of BR(h->tautau) Study"
ILC Tokusui Workshop 2014 @ KEK, Japan (2014)

S. Kawada, T. Tanabe, T. Suehara, T. Takahashi, K. Fujii, H. Yokoyama
"Measuring BR(Higgs->tautau) at the ILC: a full simulation study"
LCWS2014 @ Belgrade, Serbia (2014)

S. Kawada, T. Tanabe, T. Suehara, T. Takahashi, K. Fujii
"Measuring the Higgs Branching Ratio into Tau Pairs at the ILC"
ILC Tokusui Workshop 2013 @ KEK, Japan (2013)

S. Kawada on behalf of ILD-TPC Asia group
"Status of Asian GEM Module"
ILC Tokusui Workshop 2013 @ KEK, Japan (2013)

S. Kawada, T. Tanabe, T. Suehara, T. Takahashi, K. Fujii
"Full Simulation Study of the Higgs Branching Ratio into Tau Pairs at the 500 GeV ILC"
LCWS13 @ The Univernsity of Tokyo, Japan (2013)

S. Kawada, T. Tanabe, T. Suehara, T. Takahashi, K. Fujii
"Higgs Boson Decays to Tau Pairs at the ILC with ILD Detector"
APPC12 @ Makuhari Messe, Chiba, Japan (2013, poster)

S. Kawada, T. Tanabe, T. Suehara, T. Takahashi, K. Fujii
"Study of Higgs boson decays to tau pairs at the ILC with ILD"
Snowmass Energy Frontier Workshop @ University of Washington, Seattle, USA (2013)

S. Kawada, T. Tanabe, T. Suehara, T. Takahashi, K. Fujii
"Higgs to tau tau branching ratio study in the ILC with the ILD detector"
ECFA LC 2013 @ DESY, Hamburg, Germany (2013)

S. Kawada, T. Tanabe, T. Suehara, T. Takahashi, K. Fujii
"Higgs branching ratio study I : tau pair"
ILC Tokusui Workshop 2012 @ KEK, Japan (2012, via TV conference)

S. Kawada, T. Tanabe, T. Suehara, T. Takahashi, K. Fujii
"Higgs to tau tau study in the ILC"
LCWS12 @ University of Texas at Arlington, USA (2012)

S. Kawada, K. Ikematsu, T. Takahashi. K. Fujii, Y. Kurihara, ILC physics working group
"Feasibility study of measurement of Higgs pair creation in a gamma-gamma collider"
LCWS11 @ Granada, Spain (2011)

S. Kawada
"Feasibility study of measurement of Higgs self-coupling in the PLC"
ILC Detector Meeting @ KEK, Japan (2011, via TV conference)

Talks (in Japanese)
川田真一、田辺友彦、末原大幹、藤井恵介、高橋徹、横山晴道、他ILC物理ワーキンググループ
"ILCにおけるILD測定器シミュレーションを用いたヒッグス粒子のタウ対崩壊分岐比の測定精度評価IV"
日本物理学会 @ 早稲田大学 (2015)

川田真一、田辺友彦、末原大幹、高橋徹、藤井恵介、横山晴道、他ILC物理ワーキンググループ
"ILCにおけるILD測定器シミュレーションを用いたヒッグス粒子のタウ対崩壊分岐比の測定精度評価III"
日本物理学会 @ 佐賀大学 (2014)

川田真一、川口知彦、高橋徹、八川伶、仁藤修、栗原達也、渡部隆史、与那嶺亮、Tian Junping、藤井恵介、松田武、Gros Philippe、杉山晃、加藤幸弘、他 LC-TPC日本グループ
"紫外線レーザを用いたLC-TPC用GEMモジュールの性能評価"
日本物理学会 @ 東海大学 (2014)

川田真一、田辺友彦、末原大幹、高橋徹、藤井恵介、他ILC物理ワーキンググループ
"ILCにおけるILD測定器シミュレーションを用いたヒッグス粒子のタウ対崩壊分岐比の測定精度評価II"
日本物理学会 @ 高知大学 (2013)

川田真一、田辺友彦、末原大幹、高橋徹、藤井恵介、他ILC物理ワーキンググループ
"ILCにおけるILD測定器シミュレーションを用いたヒッグス粒子のタウ対崩壊分岐比の測定精度評価"
日本物理学会 @ 広島大学 (2013)

川田真一、池松克昌、栗原良将、高橋徹、津村浩二、藤井恵介、他ILC物理ワーキンググループ
"光子光子衝突型線形加速器におけるヒッグス対生成反応の測定可能性"
日本物理学会 @ 関西学院大学 (2012)

川田真一、池松克昌、栗原良将、高橋徹、津村浩二、藤井恵介、他ILC物理ワーキンググループ
"光子光子衝突型線形加速器におけるヒッグス対生成反応の測定可能性の研究"
日本物理学会 @ 九州工業大学 (2010)



Personal webpage is here (almost Japanese, but English page is available).
Twitter is here.

Comment 1: 人を信頼することは、多くの場合苦痛を伴う。しかし、その苦痛なしに生きていける人は存在しない。
Comment 2: P.T.A.会員です。重度のPerfume依存症であり、重症のかっしかし患者です。もう救いようがありません。というか、どうやっても救えません。

last update: 2016/February/13