Y
Yasuhiro Sakemi
Researcher at Tokyo Institute of Technology
Publications - 44
Citations - 2239
Yasuhiro Sakemi is an academic researcher from Tokyo Institute of Technology. The author has contributed to research in topics: Deep inelastic scattering & HERMES experiment. The author has an hindex of 20, co-authored 44 publications receiving 2132 citations.
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Journal ArticleDOI
The HERMES Spectrometer
K. Ackerstaff,A. Airapetian,N. Akopov,M. Amarian,V. Andreev,E.C. Aschenauer,R. Avakian,H. Avakian,A. Avetissian,B. Bains,S. Barrow,W. Beckhusen,M. Beckmann,St. Belostotski,E. Belz,Th. Benisch,S. Bernreuther,N. Bianchi,J. Blouw,H. Böttcher,A. Borissov,Jeffrey Brack,B. Braun,B. Braun,B. Bray,S. Brons,W. Brückner,A. Brull,H. J. Bulten,G.P. Capitani,P. Carter,P. Chumney,E. Cisbani,S. Clark,S. Colilli,H. Coombes,G.R. Court,P. P. J. Delheij,E. Devitsin,C. W. de Jager,E. De Sanctis,D. De Schepper,D. De Schepper,P.K.A. de Witt Huberts,P. Di Nezza,M. Doets,M. Düren,A. Dvoredsky,G. Elbakian,Joseph Emerson,Joseph Emerson,A. Fantoni,A. Fechtchenko,M. Ferstl,D. Fick,K. Fiedler,B. W. Filippone,H. Fischer,H. T. Fortune,J. Franz,S. Frullani,M.-A. Funk,N.D. Gagunashvili,P. Galumian,Haiyan Gao,Y. Gärber,F. Garibaldi,G. Gavrilov,P. Geiger,V. Gharibyan,V. Giordjian,F. Giuliani,A. Golendoukhin,B. Grabowski,G. Graw,O. Grebeniouk,P.W. Green,P.W. Green,G. Greeniaus,G. Greeniaus,M. Gricia,C. Grosshauser,A. Gute,J. P. Haas,K. Hakelberg,W. Haeberli,J. O. Hansen,D. Hasch,O. Häusser,O. Häusser,Robert Henderson,Th. Henkes,Ralf Hertenberger,Y. Holler,R. J. Holt,H. Ihssen,A. Izotov,M. Iodice,H. E. Jackson,A. Jgoun,C. E. Jones,Ralf Kaiser,Ralf Kaiser,J. Kelsey,E. R. Kinney,M. Kirsch,A. Kisselev,P. Kitching,Hiroaki Kobayashi,E. Kok,K. Königsmann,M. Kolstein,H. Kolster,Wolfgang Korsch,S. Kozlov,V. Kozlov,R.S. Kowalczyk,Laird Kramer,B. Krause,A. Krivchitch,V. G. Krivokhijine,M. Kueckes,P. Kutt,G. S. Kyle,W. Lachnit,R. R. Langstaff,Wolfgang Lorenzon,M. Lucentini,A. Lung,Naomi C R Makins,Victor Maleev,S. I. Manaenkov,K. Martens,A.O. Mateos,K. McIlhany,R. D. McKeown,F. Meißner,F. Menden,D. Mercer,A. Metz,N. Meyners,O. Mikloukho,C. A. Miller,C. A. Miller,M. A. Miller,Richard G. Milner,Valeri Valentinovitch Mitsyn,G. Modrak,J.M. Morton,R. Mozzetti,V. Muccifora,A. Nagaitsev,Y. Naryshkin,Alan M. Nathan,F. Neunreither,M. Niczyporuk,W.-D. Nowak,M. Nupieri,P. Oelwein,H. Ogami,Thomas O'Neill,R. Openshaw,V. Papavassiliou,S. F. Pate,S. F. Pate,S. Patrichev,Michael Pitt,H.J. Plett,H. R. Poolman,S. Potashov,D. H. Potterveld,Bogdan Povh,V. Prahl,G. Rakness,V. Razmyslovich,R. P. Redwine,A. R. Reolon,R. A. Ristinen,Klaus Rith,H.O. Roloff,G. Röper,P. Rossi,S. Rudnitsky,H Russo,Dirk Ryckbosch,Yasuhiro Sakemi,F. Santavenere,I.A. Savin,F. Schmidt,H. Schmitt,G. Schnell,K. P. Schüler,A. Schwind,T. A. Shibata,T. Shin,B. Siebels,A. Simon,A. Simon,K. Sinram,W.R. Smythe,J. Sowinski,M. Spengos,K. Sperber,E. Steffens,J. Stenger,J. Stewart,F. Stock,F. Stock,U. Stößlein,M. Sutter,H. Tallini,S. Taroian,Adel Terkulov,D.M. Thiessen,D.M. Thiessen,B. Tipton,V. Trofimov,A. Trudel,Michael Tytgat,G. M. Urciuoli,R. Van de Vyver,J. F. J. van den Brand,G. van der Steenhoven,J. van Hunen,D. van Westrum,A. Vassiliev,Michel Vetterli,Michel Vetterli,Manuella Vincter,E. Volk,W. Wander,T. P. Welch,S. E. Williamson,T. Wise,G. Wöbke,K. Woller,S. Yoneyama,K. Zapfe-Düren,T. Zeuli,H. Zohrabian +239 more
TL;DR: The HERMES experiment as mentioned in this paper collects data on inclusive and semi-inclusive deep inelastic scattering of polarised positrons from polarised targets of H, D, and 3 He.
Journal ArticleDOI
Measurement of the Beam-Spin Azimuthal Asymmetry Associated with Deeply-Virtual Compton Scattering
A. Airapetian,N. Akopov,Z. Akopov,M. Amarian,E. C. Aschenauer,H. Avakian,R.O. Avakian,A. Avetissian,E. Avetissian,P. Bailey,B. Bains,V. Baturin,C. Baumgarten,M. Beckmann,S. Belostotski,S. Bernreuther,Nicola Bianchi,H. Böttcher,A. Borissov,Othmane Bouhali,M. Bouwhuis,Jeffrey Brack,S. Brauksiepe,W. Brückner,A. Brüll,I. Brunn,H. J. Bulten,G. P. Capitani,P. Chumney,Evaristo Cisbani,G. Ciullo,G.R. Court,P. F. Dalpiaz,R. De Leo,L. De Nardo,E. De Sanctis,D. De Schepper,E. Devitsin,P.K.A. de Witt Huberts,P. Di Nezza,M. Düren,M. Ehrenfried,G. Elbakian,Frank Ellinghaus,J. Ely,R. Fabbri,Alessandra Fantoni,A. Fechtchenko,L. Felawka,B. W. Filippone,H. Fischer,B. D. Fox,J. Franz,Salvatore Frullani,Y. Gärber,Franco Garibaldi,Erika Garutti,G. Gavrilov,V. Gharibyan,A. Golendukhin,G. Graw,O. Grebeniouk,P.W. Green,P.W. Green,L. G. Greeniaus,L. G. Greeniaus,A. Gute,W. Haeberli,K. Hafidi,M. Hartig,D. Hasch,D. Heesbeen,F.H. Heinsius,M. Henoch,Ralf Hertenberger,W.H.A. Hesselink,G. Hofman,Y. Holler,R. J. Holt,B. Hommez,G. Iarygin,Andrey V. Izotov,H. E. Jackson,A. Jgoun,Peter Jung,Ralf Kaiser,J. Kanesaka,E. R. Kinney,A. Kisselev,A. Kisselev,P. Kitching,Hiroaki Kobayashi,N. Koch,K. Königsmann,H. Kolster,V. A. Korotkov,E. Kotik,V. A. Kozlov,B. Krauss,V. G. Krivokhijine,G. S. Kyle,L. Lagamba,A. Laziev,P. Lenisa,P. Liebing,T. Lindemann,Wolfgang Lorenzon,Axel Maas,Naomi C R Makins,H. Marukyan,F. Masoli,M. McAndrew,K. McIlhany,K. McIlhany,F. Meissner,F. Meissner,F. Menden,N. Meyners,O. Mikloukho,C. A. Miller,C. A. Miller,Ross Milner,Valeria Muccifora,R. Mussa,A. Nagaitsev,Eugenio Nappi,Y. Naryshkin,A. Nass,K. Negodaeva,W.-D. Nowak,K. Oganessyan,Thomas O'Neill,B. R. Owen,S. F. Pate,S. Potashov,D. H. Potterveld,Martin Raithel,G. Rakness,V. Rappoport,R. P. Redwine,D. Reggiani,A. R. Reolon,Klaus Rith,D. Robinson,A. Rostomyan,M. Ruh,Dirk Ryckbosch,Yasuhiro Sakemi,I. Sanjiev,I. Sanjiev,F. Sato,I.A. Savin,C. Scarlett,Andreas Schäfer,Christian Schill,F. Schmidt,G. Schnell,K. P. Schüler,A. Schwind,J. Seibert,B. Seitz,T. A. Shibata,V. Shutov,M. C. Simani,A. Simon,K. Sinram,E. Steffens,J. J. M. Steijger,J. Stewart,J. Stewart,J. Stewart,U. Stosslein,K. Suetsugu,S. Taroian,Adel Terkulov,S. Tessarin,E. Thomas,B. Tipton,Michael Tytgat,G. M. Urciuoli,J. F. J. van den Brand,G. van der Steenhoven,R. Van de Vyver,J. van Hunen,Michel Vetterli,Michel Vetterli,V. Vikhrov,Manuella Vincter,J. Visser,C. Weiskopf,J. Wendland,J. Wendland,J. Wilbert,T. Wise,S. Yen,S. Yoneyama,H. Zohrabian +196 more
TL;DR: The beam-spin asymmetry in hard electroproduction of photons has been measured in this paper, where the data have been accumulated by the HERMES experiment at DESY using the HERA 27.6 GeV longitudinally polarized positron beam and an unpolarized hydrogen gas target.
Journal ArticleDOI
Measurement of the neutron spin structure function gn1 with a polarized 3He internal target
K. Ackerstaff,A. Airapetian,Igor Akushevich,N. Akopov,M. Amarian,E.C. Aschenauer,R. Avakian,H. Avakian,A. Avetissian,B. Bains,S. Barrow,M. Beckmann,S. Belostotski,J.E. Belz,Th. Benisch,S. Bernreuther,N. Bianchi,Sean Blanchard,J. Blouw,H. Böttcher,A. Borissov,Jeffrey Brack,B. Braun,B. Bray,W. Brückner,A. Brull,E. E. W. Bruins,H. J. Bulten,G.P. Capitani,P. Carter,E. Cisbani,G.R. Court,P.P.J. Delheij,E. Devitsin,C. W. de Jager,E. De Sanctis,D. De Schepper,P.K.A. de Witt Huberts,M. Düren,A. Dvoredsky,G. Elbakian,Joseph Emerson,A. Fantoni,A. Fechtchenko,M. Ferstl,D. Fick,K. Fiedler,B. W. Filippone,H. Fischer,H. T. Fortune,J. Franz,S. Frullani,M.-A. Funk,N.D. Gagunashvili,P. Galumian,Haiyan Gao,Y. Gärber,F. Garibaldi,P. Geiger,V. Gharibyan,A. Golendoukhin,G. Graw,O. Grebeniouk,P.W. Green,L. G. Greeniaus,C. Grosshauser,A. Gute,V. Gyurjyan,J. P. Haas,W. Haeberli,J. O. Hansen,D. Hasch,O. Häusser,R.S. Henderson,Th. Henkes,Ralf Hertenberger,Y. Holler,R.J. Holt,H. Ihssen,M. Iodice,A. Izotov,H. E. Jackson,A. Jgoun,C. E. Jones,Ralf Kaiser,E. R. Kinney,M. Kirsch,A. Kisselev,P. Kitching,N. Koch,K. Königsmann,M. Kolstein,H. Kolster,Wolfgang Korsch,V. Kozlov,Laird Kramer,B. Krause,V. G. Krivokhijine,M. Kückes,G. S. Kyle,W. Lachnit,Wolfgang Lorenzon,A. Lung,Naomi C R Makins,S. I. Manaenkov,F. K. Martens,J. W. Martin,A.O. Mateos,K. McIlhany,R. D. McKeown,F. Meissner,D. Mercer,A. Metz,N. Meyners,O. Mikloukho,C. A. Miller,M. A. Miller,Ross Milner,Valeri Valentinovitch Mitsyn,R. Mozzetti,V. Muccifora,A. Nagaitsev,Y. Naryshkin,Alan M. Nathan,F. Neunreither,M. Niczyporuk,W.-D. Nowak,M. Nupieri,P. Oelwein,H. Ogami,Thomas O'Neill,R. Openshaw,V. Papavassiliou,S. F. Pate,Michael Pitt,S. Potashov,D. H. Potterveld,Bogdan Povh,G. Rakness,R.P. Redwine,A. R. Reolon,R. Ristinen,Klaus Rith,G. Röper,H. Roloff,P. Rossi,S. Rudnitsky,M. Ruh,Dirk Ryckbosch,Yasuhiro Sakemi,I.A. Savin,K.P. Schüller,A. Schwind,T. A. Shibata,T. Shin,A. Simon,K. Sinram,W.R. Smythe,J. Sowinski,M. Spengos,E. Steffens,J. Stenger,J. Stewart,F. Stock,U. Stoesslein,M. Sutter,H. Tallini,S. Taroian,Adel Terkulov,D.M. Thiessen,B. Tipton,A. Trudel,Michael Tytgat,G. M. Urciuoli,R. Van de Vyver,J. F. J. van den Brand,G. van der Steenhoven,Michel Vetterli,E. Volk,W. Wander,T. P. Welch,S. E. Williamson,T. Wise,T. Wölfel,K. Zapfe-Düren,H. Zohrabian,R. Zurmühle +186 more
TL;DR: In this paper, the HERMES experiment at HERA was used for a measurement of the neutron spin structure function g1n(x, Q2) in deep inelastic scattering using 27.5 GeV longitudinally polarized positrons incident on a polarized 3He internal gas target.
Journal ArticleDOI
Measurement of the Proton Spin Structure Function g1p with a Pure Hydrogen target.
A. Airapetian,N. Akopov,Igor Akushevich,M. Amarian,E. C. Aschenauer,H. Avakian,R.O. Avakian,A. Avetissian,B. Bains,C. Baumgarten,M. Beckmann,S. Belostotski,E. Belz,E. Belz,Th. Benisch,S. Bernreuther,Nicola Bianchi,J. Blouw,H. Böttcher,A. Borissov,Jeffrey Brack,S. Brauksiepe,B. Braun,S. Brons,W. Brückner,A. Brull,H. J. Bulten,H. J. Bulten,G. P. Capitani,P. Carter,P. Chumney,E. Cisbani,G.R. Court,P. F. Dalpiaz,R. De Leo,E. De Sanctis,D. De Schepper,D. De Schepper,E. Devitsin,P.K.A. de Witt Huberts,P. Di Nezza,M. Düren,A. Dvoredsky,G. Elbakian,J. Ely,Alessandra Fantoni,A. Fechtchenko,M. Ferstl,D. Fick,K. Fiedler,B. W. Filippone,H. Fischer,B. D. Fox,S. Frabetti,J. Franz,S. Frullani,M.-A. Funk,N.D. Gagunashvili,Haiyan Gao,Haiyan Gao,Y. Gärber,F. Garibaldi,G. Gavrilov,P. Geiger,V. Gharibyan,V. Giordjian,A. Golendukhin,G. Graw,O. Grebeniouk,P.W. Green,P.W. Green,L. G. Greeniaus,L. G. Greeniaus,C. Grosshauser,M. Guidal,A. Gute,W. Haeberli,J. O. Hansen,D. Hasch,F.H. Heinsius,M. Henoch,Ralf Hertenberger,Y. Holler,R. J. Holt,W. Hoprich,H. Ihssen,M. Iodice,A. Izotov,H. E. Jackson,A. Jgoun,Ralf Kaiser,Ralf Kaiser,E. R. Kinney,A. Kisselev,P. Kitching,Hiroaki Kobayashi,N. Koch,N. Koch,K. Königsmann,M. Kolstein,H. Kolster,V. Korotkov,Wolfgang Korsch,V. A. Kozlov,Laird Kramer,V. G. Krivokhijine,F. Kümmell,M. Kurisuno,G. S. Kyle,W. Lachnit,Wolfgang Lorenzon,Naomi C R Makins,S. I. Manaenkov,K. Martens,J. W. Martin,H. Marukyan,F. Masoli,A.O. Mateos,M. McAndrew,K. McIlhany,K. McIlhany,R. D. McKeown,F. Meißner,F. Menden,A. Metz,N. Meyners,O. Mikloukho,C. A. Miller,C. A. Miller,M. A. Miller,Ross Milner,Valeri Valentinovitch Mitsyn,Valeria Muccifora,A. Nagaitsev,E. Nappi,Y. Naryshkin,Alan M. Nathan,F. Neunreither,W.-D. Nowak,Thomas O'Neill,B. R. Owen,Jinsong Ouyang,V. Papavassiliou,S. F. Pate,S. Potashov,D. H. Potterveld,G. Rakness,A. Reali,R. P. Redwine,A. R. Reolon,R. A. Ristinen,Klaus Rith,H.O. Roloff,P. Rossi,S. Rudnitsky,M. Ruh,Dirk Ryckbosch,Yasuhiro Sakemi,I.A. Savin,C. Scarlett,F. Schmidt,H. Schmitt,G. Schnell,K. P. Schüler,A. Schwind,J. Seibert,T. A. Shibata,K. Shibatani,T. Shin,V. Shutov,C. Simani,A. Simon,K. Sinram,P. Slavich,M. Spengos,E. Steffens,J. Stenger,J. Stewart,U. Stößlein,M. Sutter,H. Tallini,S. Taroian,Adel Terkulov,B. Tipton,Michael Tytgat,G. M. Urciuoli,R. Van de Vyver,J. F. J. van den Brand,G. van der Steenhoven,J. van Hunen,Michel Vetterli,Michel Vetterli,Manuella Vincter,J. Visser,E. Volk,W. Wander,W. Wander,S. E. Williamson,T. Wise,K. Woller,S. Yoneyama,H. Zohrabian +201 more
TL;DR: A measurement of the proton spin structure function g1p(x,Q2) in deep-inelastic scattering is presented in this article, where the data were taken with the 27.6 GeV longitudinally polarised positron beam at HERA incident on a long-range pure hydrogen gas target internal to the storage ring.
Journal ArticleDOI
Magnetic spectrometer Grand Raiden
Mamoru Fujiwara,Hidetoshi Akimune,I. Daito,H. Fujimura,Yoshitaka Fujita,Kichiji Hatanaka,Hidetsugu Ikegami,Ichiro Katayama,K. Nagayama,N. Matsuoka,S. Morinobu,Tetsuo Noro,Masato Yoshimura,Harutaka Sakaguchi,Yasuhiro Sakemi,Atsushi Tamii,M. Yosoi +16 more
TL;DR: A high-resolution magnetic spectrometer called "Grand Raiden" is operated at the RCNP ring cyclotron facility in Osaka for nuclear physics studies at intermediate energies as discussed by the authors. But it is not suitable for high-dimensional data.