Y
Y. Igarashi
Researcher at University of Tsukuba
Publications - 32
Citations - 373
Y. Igarashi is an academic researcher from University of Tsukuba. The author has contributed to research in topics: Branching fraction & Dalitz plot. The author has an hindex of 10, co-authored 32 publications receiving 316 citations.
Papers
More filters
Journal ArticleDOI
Improved Measurement of the π→eν Branching Ratio.
Alexis A. Aguilar-Arevalo,Masaharu Aoki,M. Blecher,Dave Britton,Douglas Bryman,D. Vom Bruch,Song Chen,J. R. Comfort,M. Ding,Luca Doria,S. Cuen-Rochin,P. Gumplinger,Ahmed Hussein,Y. Igarashi,S. Ito,S. H. Kettell,Leonid Kurchaninov,L. S. Littenberg,C. Malbrunot,C. Malbrunot,C. Malbrunot,R. E. Mischke,T. Numao,D. Protopopescu,A. Sher,T. Sullivan,D. Vavilov,Koji Yamada +27 more
TL;DR: In this article, a new measurement of the branching ratio for electron-muon universality was presented, which was shown to be 1.2344±0.0023(stat)± 0.0019(syst)×10^{-4}.
Journal ArticleDOI
Search for T-violating transverse muon polarization in K+ → π0 μ+ ν decay using stopped kaons
M. Abe,Masato Aoki,I. Arai,Y. Asano,T. Baker,M. Blecher,M. D. Chapman,D. V. Dementyev,P. Depommier,M. P. Grigorjev,P. Gumplinger,P. Gumplinger,M. D. Hasinoff,R. Henderson,K. Horie,K. Horie,W. S. Hou,H. C. Huang,Y. Igarashi,Tokihiro Ikeda,J. Imazato,A. Ivashkin,J. H. Kang,W. Keil,M. M. Khabibullin,A. N. Khotjantsev,Yu. Kudenko,Y. Kuno,J. M. Lee,J. M. Lee,K. S. Lee,G. Y. Lim,J. A. Macdonald,Daniel Robert Marlow,C. R. Mindas,O. V. Mineev,Chary Rangacharyulu,S. K. Sahu,S. Sekikawa,Hirohiko M. Shimizu,S. Shimizu,S. Shimizu,Y. H. Shin,Y.M. Shin,K. S. Sim,A. Suzuki,T. Tashiro,A. Watanabe,D. H. Wright,D. H. Wright,T. Yokoi +50 more
TL;DR: In this article, an improved search for a $T$-violating transverse muon polarization $(P}_{T}) was performed using kaon decays at rest, and the result was that the $T-violation parameter was determined to be
Measurement of the inclusive $B\to X_{s+d} \gamma$ branching fraction, photon energy spectrum and HQE parameters
A. Abdesselam,Y. Chao,S. Esen,S. E. Vahsen,H. Nakayama,S. Shinomiya,Jason Crnkovic,S. L. Olsen,S. Al Said,T. Uglov,H. Kakuno,E. Won,N. Gabyshev,D. Matvienko,R. Seidl,S. H. Lee,W. S. Hou,E. J. White,O. Grzymkowska,S. Okuno,K. Cho,C. Bookwalter,O. Frost,T. Iijima,M. Iwasaki,Y. Watanabe,J. Li,L. Santelj,Eberhard Widmann,H. Hayashii,H. Nakano,J. B. Kim,Y. Kato,Y. Sakai,J. Haba,Y.F. Tse,S. Sugihara,A. Bay,M. Huschle,Y. Miyachi,K. Nishimura,T. Aushev,H. Nakazawa,G. Bonvicini,E. Solovieva,G. S. Varner,Z. Natkaniec,V. Vorobyev,N. Taniguchi,D. Getzkow,M. T. Hedges,Meng Wang,K. Nakamura,T. Nagamine,K. Neichi,K. Dutta,H. Miyata,M. Shapkin,Z. P. Zhang,Tao Luo,E. L. Barberio,M. Nayak,Semen Eidelman,R. Mussa,Daniel Greenwald,T. Zivko,Hiroaki Aihara,Xiuwan Li,Y. Ban,T. Sanuki,C. C. Zhang,B. H. Kim,H. K. Moon,D. Santel,J. F. Strube,T. Sumiyoshi,A. Chen,E. Panzenböck,K. Prothmann,V. Chobanova,T. E. Browder,D. Z. Besson,S. Rummel,Y. Ushiroda,J. Dalseno,C. H. Li,P. Pakhlov,D. M. Asner,Yu Nakahama,M. Iwabuchi,J. Rauch,L. Pesántez,K. Senyo,V. Bansal,Y. J. Kim,D. Semmler,Y. M. Goh,V.E. Shebalin,Sunmin Ryu,C. H. Wang,Ihn Sik Seong,T. Uchida,S. K. Choi,O. Zyukova,K. J. Nath,Nagao Kobayashi,P. Kapusta,Norihito Muramatsu,C. Ng,M. C. Chang,I. Badhrees,M. Barrett,D. Kotchetkov,Alexei Kuzmin,Z. Drásal,Y. F. Liu,B. Bhuyan,R. Louvot,Tara Nanut,T. Hara,Soumya D. Mohanty,C. Pulvermacher,Tsukasa Aso,M. V. Purohit,B. K. Pal,K. S. Park,John Yelton,M. Uchida,K. Itagaki,P. K. Behera,D. Liventsev,Byeong Rok Ko,H. Kichimi,H. Ye,M. Takizawa,S. Uehara,K. Hayasaka,I. S. Lee,Dipanwita Dutta,T. Mori,C. Z. Yuan,K. Hoshina,I. Jaegle,P. Schonmeier,G. B. Mohanty,A. Garmash,Hirokazu Miyake,Victoria Zhukova,T. Tsuboyama,J. S. Lange,Matthew Jones,F. Breibeck,H. J. Hyun,M. Heider,K. Inami,M. Heck,Y. Miyazaki,A. Zupanc,T. Bloomfield,K. Sakai,L. E. Piilonen,Z. Suzuki,J. Klucar,R. Gillard,P. Krizan,M. Bračko,A. Moll,A. Loos,I. Tikhomirov,Po-Hsun Chen,W. W. Jacobs,Tariq Aziz,C. Boulahouache,P. Hamer,M. Imamura,J. Wiechczynski,T.-A. Shibata,M. Lubej,Philip Lewis,S. Yashchenko,Y. S. Sohn,S. L. Blyth,Shigeki Hirose,K. M. Williams,P. Chang,C. Oswald,K. Belous,T. Ferber,H. Takeichi,Jingxu Wang,S. McOnie,V. V. Zhulanov,R. Ayad,Hyunyong Kim,X. L. Wang,Massimo Berger,T. Keck,A. Vinokurova,A. J. Schwartz,A. Heller,L. S. Peak,C. Liu,Yasushi Nagasaka,M. Grosse Perdekamp,D. Heffernan,S. Himori,Y. Teramoto,K. T. Kim,C. B. Van Hulse,B. Kronenbitter,Zdenek Dolezal,R. Itoh,J. C. Dingfelder,Samo Stanič,L. Zhao,H. Palka,Y. Iwasaki,S. Y. Suzuki,M. Danilov,Andrey Sokolov,Hikaru Kawai,V. Savinov,Phillip Urquijo,R. Sinha,Chawon Park,B. D. Yabsley,E. Nakano,S. Nishida,K. Negishi,S. K. Kim,A. M. Bakich,S. Di Carlo,M. Yamauchi,T. Morii,J. MacNaughton,H. Ozaki,L. Li Gioi,Y. Yamashita,Y. Usov,H. G. Moser,Anton Poluektov,K. Suzuki,Y. Yook,V. Chekelian,M. Masuda,J. Grygier,K. Sumisawa,M. D. Peters,Y. Koga,Richard T. Kouzes,Y. Choi,K. K. Joo,M. Ziegler,J. B. Singh,H. Park,L.M. Zhang,A. B. Kaliyar,T. Higuchi,Benjamin Schwenker,B. G. Cheon,K. Prasanth,E. Waheed,B. Shwartz,J. Hasenbusch,B. G. Fulsom,T. Saito,Y. J. Kwon,P. Vanhoefer,V.N. Zhilich,K. Hara,Antonio Limosani,S. Uno,X. H. He,T. Peng,A. Sugiyama,Jun Sasaki,S. Korpar,B. Reisert,K. Adamczyk,Y. Kuroki,T. Horiguchi,R. Mizuk,Jolanta Brodzicka,T. Matsuda,Rupert Leitner,D. Y. Kim,N. K. Nisar,Yoji Hasegawa,O. Schneider,Hui Li,H. Atmacan,O. Seon,M. E. Sevior,O. Nitoh,Y. Hoshi,M. Watanabe,Dmytro Levit,Ya-Qiu Jin,U. Tamponi,H. Sahoo,S. Wehle,Sumio Yamada,Y. Mikami,M. T. Prim,C. W. Park,S. U. Kataoka,H. B. Jeon,T. Nozaki,M. Starič,Y. Soloviev,T. Kawasaki,G. N. Taylor,T. Nakano,A. Drutskoy,K. Chilikin,F. Tenchini,T. Schlüter,D. Červenkov,W. Bartel,S. Paul,Martin Ritter,A.E. Bondar,Noritaka Shimizu,S. Dubey,K. Trabelsi,D. Cinabro,J. G. Shiu,Jamal Rorie,Robin Wedd,M. Schram,T. Müller,V. Trusov,M. J. Kim,Peter Kvasnicka,L. K. Li,Kevin Varvell,E. Kato,D. Joffe,T. Kumita,S. Sandilya,N. Sasao,Ferdinando Giordano,C. Niebuhr,T. Ohshima,C. Kiesling,Sanmay Ganguly,Y. Onuki,D. Epifanov,R. Pestotnik,Satoshi Tanaka,H. Shibuya,V. Babu,P.A. Lukin,K. Vervink,M. Tanaka,Seok Kim,D. Dossett,Peter Kodys,M. N. Wagner,M. Leitgab,A. Bobrov,P. Wang,Z. Q. Liu,N. Zwahlen,K. F. Chen,A. Ogawa,B. Golob,K. Arinstein,J. Libby,A. Ishikawa,K. Tanida,A. Bozek,Jyoti Prakash Biswal,A. Matyja,S. Y. Suzuki,G. Inguglia,M. Sumihama,J.E. Fast,E. Ribezl,Marko Petrič,D. Mohapatra,S. Ogawa,T. Julius,L. Shang,A. Bala,T. K. Pedlar,K. Ueno,W. Ostrowicz,H. Farhat,V. M. Aulchenko,M. Rozanska,K. Kinoshita,C. Kleinwort,E. Nedelkovska,I. Adachi,Y. B. Li,J. Yamaoka,V. Bhardwaj,V. Gaur,Y. Unno,K. H. Kang,P. Smerkol,R. Chistov,M. Steder,M. Niiyama,E. Kurihara,Y. Igarashi,M. Nakao,M. Feindt,P. Goldenzweig,I. Bedny,C. Schwanda,S. Koblitz,Y. Ono,D. H. Lee,R. Glattauer,Y. Arita,P. Krokovny,C. P. Shen,J. Stypula,Jung-Hyun Kim,H. Yamamoto,Yukinori Sato,Frank Simon,N. Dash,I. Nakamura,H. Guo,Y. Seino,A.L. Sibidanov,T. Kuhr,K. Miyabayashi,Seema Bahinipati,Y. Yusa,S. Iwata,G. Schnell,M. Belhorn,P. Katrenko,C.-L. Hsu,J. H. Kang,Y. B. Hsiung,Rahul Kumar,G. Pakhlova,A. Vossen,L. Kulasiri,A. Frey,A. Rostomyan,S. Uozumi,Y.-T. Lai,Y. L. Han +448 more
Journal ArticleDOI
Apparatus for a Search for T-violating Muon Polarization in Stopped-Kaon Decays
J. A. Macdonald,M. Abe,Masato Aoki,I. Arai,Y. Asano,T. Baker,M. Blecher,M. D. Chapman,P. Depommier,P. Gumplinger,M. D. Hasinoff,Robert Henderson,K. Horie,Y. Igarashi,Tokihiro Ikeda,J. Imazato,A. Ivashkin,A. Kaga,J. H. Kang,M. M. Khabibullin,A. N. Khotjantsev,Eun-San Kim,K. U. Kim,Yu. Kudenko,Yoshitaka Kuno,J. M. Lee,Kisung Lee,G. Y. Lim,Daniel Robert Marlow,C. R. Mindas,Oleg Mineev,Chary Rangacharyulu,S. Sekikawa,Kiyou Shibata,Hirohiko M. Shimizu,S. Shimizu,Y.M. Shin,Y. H. Shin,K. S. Sim,A. Suzuki,T. Tashiro,A. Watanabe,D.H. Wright,C. H. Yim,Takeichiro Yokoi +44 more
TL;DR: In this paper, a detector built at KEK to search for T-violating transverse muon polarization in K + → π 0 μ + ν μ (K μ 3 ) decay of stopped kaons is described.
Journal ArticleDOI
Search for T-violating transverse muon polarization in the K{sup +}{yields}{pi}{sup 0}{mu}{sup +}{nu} decay
M. Abe,M. A. Aliev,V. V. Anisimovsky,Masato Aoki,Y. Asano,T. Baker,M. Blecher,P. Depommier,M. D. Hasinoff,K. Horie,Y. Igarashi,J. Imazato,A. P. Ivashkin,M. M. Khabibullin,A. N. Khotjantsev,Yu. G. Kudenko,Y. Kuno,K. S. Lee,A.S. Levchenko,G. Y. Lim,J. A. Macdonald,O. V. Mineev,N. Okorokova,Chary Rangacharyulu,S. Shimizu,Y. H. Shin,Y.M. Shin,K. S. Sim,N. Yershov,Takeichiro Yokoi +29 more
TL;DR: In this paper, the transverse muon polarization was measured at the 12-GeV proton synchrotron of KEK using a stopped positive kaon beam and a longitudinal field method.