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Kōichirō Nishikawa

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to measure a controlled beam of neutrinos emitted by the KEK proton synchrotron. The K2K team verified with greater accuracy the neutrino oscillations observed in atmospheric neutrinos by the Super Kamiokande experiment. The T2K experiment, which began in 2010 as a successor to K2K, used neutrino
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proton accelerator with the Super Kamiokande detector to observe neutrino oscillations with specific start and end flavors, thereby measuring the parameters of this flavor-switching behavior.
577: 227:, he combined positions at KEK and Kyōto University, eventually becoming director of the Institute for Particle and Nuclear physics at the KEK laboratory and deputy director of the 850: 1426: 570: 1460: 1455: 962: 688: 267: 112: 563: 842: 1035: 1419: 1465: 595: 208: 456:"Breakthrough Prize – Fundamental Physics Breakthrough Prize Laureates – Koichiro Nishikawa and the K2K and T2K Collaboration" 1002: 619: 1412: 870: 806: 774: 220: 1075: 794: 507: 780: 203: 1251: 718: 1288: 1149: 1024: 956: 199: 70: 1302: 1135: 329: 275: 271: 183:, born 1949 - November 28, 2018) was a Japanese elementary particle physicist, known for contributions to 104: 96: 343: 216: 1344: 878: 1263: 1450: 1445: 1245: 1109: 928: 334: 1348: 1229: 1119: 395: 224: 192: 142: 1322: 1233: 1115: 952: 902: 866: 784: 752: 671: 586: 1157: 1280: 1237: 1211: 1105: 1063: 1043: 892: 888: 698: 647: 637: 176: 1356: 1306: 1276: 1207: 1201: 1175: 1101: 1089: 1051: 992: 972: 882: 764: 748: 710: 665: 607: 430: 283: 243: 157: 1352: 1332: 1318: 1292: 1255: 1167: 1163: 1145: 1131: 1097: 1083: 1079: 1071: 1006: 986: 968: 934: 790: 756: 740: 603: 481: 356: 1268: 534: 370: 1396: 1340: 1314: 1310: 1219: 1193: 1059: 1047: 948: 938: 910: 874: 862: 858: 722: 641: 303: 1439: 1336: 1284: 1215: 1141: 1123: 1093: 1014: 1010: 976: 918: 846: 816: 798: 760: 730: 706: 677: 659: 631: 1296: 1241: 1223: 1189: 1185: 1055: 906: 824: 714: 455: 209: 198:
Nishikawa graduated from Kyōto University in 1971 and completed his doctorate at
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together with other neutrino research collaborations. He was awarded the
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Nishikawa's most notable achievements were as founder and leader of the
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experiments. K2K, which ran from 1999 until 2005, used the
1400: 1034: 687: 594: 286:experiment that discovered the mass of neutrinos. 156: 138: 128: 85: 77: 66: 58: 43: 35: 21: 16:Japanese elementary particle physicist (1949–2018) 508:"Koichiro Nishikawa wins 2016 Pontecorvo Prize" 1420: 1395:This article about a Japanese scientist is a 571: 8: 1427: 1413: 578: 564: 556: 187:physics. He was professor emeritus of the 18: 963:The Event Horizon Telescope Collaboration 396:"Synthetic neutrinos appear to disappear" 333: 268:Breakthrough Prize in Fundamental Physics 113:Breakthrough Prize in Fundamental Physics 535:"The Asahi Prize - English Information" 423:"Viewpoint: A new neutrino oscillation" 295: 352: 341: 7: 1371: 1369: 328:"2011 at KEK, Annual Report". KEK. 278:in 2016. He also received the 1998 191:high-energy physics laboratory and 421:Parke, Stephen J. (18 July 2011). 14: 1461:21st-century Japanese physicists 1456:20th-century Japanese physicists 1387: 1380: 1374: 304:"Nishikawa, Koichiro - Profile" 1: 371:"J-PARC News in English 2015" 231:proton accelerator facility. 133:experimental particle physics 1399:. You can help Knowledge by 871:Sudbury Neutrino Observatory 221:State University of New York 795:Supernova Cosmology Project 533:The Asahi Shimbun Company. 258:In 2016, Nishikawa and the 1482: 1368: 539:The Asahi Shimbun Company 180: 166: 121: 28: 1466:Japanese scientist stubs 482:"Nishina Memorial Prize" 29: 1289:Shankar Balasubramanian 1025:Alexander Zamolodchikov 957:Peter van Nieuwenhuizen 215:. After working at the 1303:Clifford P. Brangwynne 1136:Emmanuelle Charpentier 351:Cite journal requires 276:Bruno Pontecorvo Prize 272:Nishina Memorial Prize 105:Bruno Pontecorvo Prize 97:Nishina Memorial Prize 807:High-Z Supernova Team 217:University of Chicago 202:in 1980 working with 1246:Virginia Man-Yee Lee 1110:Alexander Varshavsky 929:Jocelyn Bell Burnell 827:and contributors to 435:10.1103/Physics.4.57 266:groups received the 1230:Jeffrey M. Friedman 1120:Charles David Allis 805:and members of the 793:and members of the 1323:Masashi Yanagisawa 1234:Franz-Ulrich Hartl 1164:Stephen J. Elledge 1116:Alim Louis Benabid 1003:Charles H. Bennett 953:Daniel Z. Freedman 903:Charles L. Bennett 867:Arthur B. McDonald 855:Kōichirō Nishikawa 785:John Henry Schwarz 775:Alexander Polyakov 753:Michel Della Negra 672:Daniel A. Spielman 587:Breakthrough Prize 512:t2k-experiment.org 488:. 18 December 2013 460:Breakthrough Prize 173:Kōichirō Nishikawa 23:Kōichirō Nishikawa 1408: 1407: 1366: 1365: 1345:Fredrick Van Goor 1238:Arthur L. Horwich 1212:Adrian R. Krainer 1106:Richard P. Lifton 1064:Napoleone Ferrara 1044:Cornelia Bargmann 893:Andrew Strominger 889:Joseph Polchinski 699:Nima Arkani-Hamed 648:Vincent Lafforgue 638:Christopher Hacon 402:. 17 October 2000 274:in 2005, and the 170: 169: 123:Scientific career 54:November 28, 2018 1473: 1429: 1422: 1415: 1391: 1386: 1385: 1384: 1378: 1370: 1357:Andrew Singleton 1307:Anthony A. Hyman 1277:Jeffery W. Kelly 1272: 1264:Richard J. Youle 1208:C. Frank Bennett 1202:Don W. Cleveland 1176:Yoshinori Ohsumi 1102:Robert S. Langer 1090:James P. Allison 1052:Lewis C. Cantley 993:Hidetoshi Katori 973:Jens H. Gundlach 883:Super-Kamiokande 765:Joseph Incandela 749:Fabiola Gianotti 711:Maxim Kontsevich 666:Takuro Mochizuki 608:Maxim Kontsevich 580: 573: 566: 557: 550: 549: 547: 545: 530: 524: 523: 521: 519: 504: 498: 497: 495: 493: 486:nishina-mf.or.jp 478: 472: 471: 469: 467: 462:. 1 October 2016 452: 446: 445: 443: 441: 418: 412: 411: 409: 407: 392: 386: 385: 383: 381: 367: 361: 360: 354: 349: 347: 339: 337: 325: 319: 318: 316: 314: 300: 284:Super-Kamiokande 244:Super Kamiokande 225:Tōkyō University 214: 211: 193:Kyōto University 182: 158:Doctoral advisor 143:Kyōto University 134: 117: 110: 109: 101: 94: 81:neutrino physics 53: 51: 19: 1481: 1480: 1476: 1475: 1474: 1472: 1471: 1470: 1436: 1435: 1434: 1433: 1379: 1373: 1367: 1362: 1353:Ellen Sidransky 1333:Michel Sadelain 1319:Emmanuel Mignot 1293:David Klenerman 1266: 1256:Catherine Dulac 1168:Harry F. Noller 1146:Karl Deisseroth 1132:Jennifer Doudna 1098:Michael N. Hall 1084:Bert Vogelstein 1080:Shinya Yamanaka 1076:Robert Weinberg 1072:Charles Sawyers 1030: 1007:Gilles Brassard 987:Steven Weinberg 969:Eric Adelberger 879:Yōichirō Suzuki 791:Saul Perlmutter 757:Tejinder Virdee 741:Stephen Hawking 690: 683: 604:Simon Donaldson 590: 584: 554: 553: 543: 541: 532: 531: 527: 517: 515: 506: 505: 501: 491: 489: 480: 479: 475: 465: 463: 454: 453: 449: 439: 437: 429:. 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Retrieved 307: 298: 257: 246:detector in 233: 200:Northwestern 197: 172: 171: 139:Institutions 122: 73:(Ph.D. 1980) 71:Northwestern 1451:2018 deaths 1446:1949 births 1315:John Jumper 1267: [ 1252:David Baker 1198:Kim Nasmyth 1180:Huda Zoghbi 1154:Helen Hobbs 1128:Gary Ruvkun 1068:Eric Lander 939:Eugene Mele 897:Cumrun Vafa 885:team (2016) 839:Kam-Biu Luk 835:Yifang Wang 745:Peter Jenni 689:Fundamental 616:Terence Tao 612:Jacob Lurie 596:Mathematics 308:INSPIRE-HEP 280:Asahi Prize 207: [ 90:Asahi Prize 59:Nationality 1440:Categories 1150:John Hardy 1021:John Cardy 821:Kip Thorne 803:Adam Riess 767:(CMS) and 727:Ashoke Sen 654:Alex Eskin 290:References 50:2018-11-28 1329:Carl June 1260:Dennis Lo 769:Lyn Evans 751:(ATLAS), 703:Alan Guth 589:laureates 330:CiteSeerX 67:Education 881:and the 869:and the 857:and the 849:and the 841:and the 626:Ian Agol 210:Wikidata 185:neutrino 177:Japanese 62:Japanese 983:Special 945:Special 925:Special 851:KamLAND 813:Special 737:Special 691:physics 427:Physics 248:Kamioka 93:(1998 ) 1359:(2024) 1325:(2023) 1299:(2022) 1273:(2021) 1248:(2020) 1226:(2019) 1204:(2018) 1182:(2017) 1160:(2016) 1138:(2015) 1112:(2014) 1086:(2013) 1027:(2024) 1017:(2023) 999:(2022) 997:Jun Ye 989:(2021) 979:(2021) 965:(2020) 959:(2019) 941:(2019) 931:(2018) 921:(2018) 899:(2017) 873:team, 865:team, 853:team, 809:(2015) 787:(2014) 777:(2013) 733:(2012) 680:(2024) 674:(2023) 668:(2022) 662:(2021) 656:(2020) 650:(2019) 644:(2018) 634:(2017) 628:(2016) 622:(2015) 375:J-PARC 332:  253:J-PARC 229:J-PARC 223:, and 181:西川 公一郎 151:J-PARC 129:Fields 116:(2016) 108:(2016) 100:(2005) 86:Awards 30:西川 公一郎 1271:] 213:] 1397:stub 1355:and 1295:and 1210:and 1156:and 1134:and 1108:and 1082:and 1023:and 995:and 975:and 937:and 877:and 829:LIGO 783:and 618:and 546:2018 520:2018 494:2018 468:2018 442:2018 408:2018 382:2018 357:help 315:2018 262:and 238:and 44:Died 39:1949 36:Born 863:T2K 859:K2K 431:doi 264:T2K 260:K2K 240:T2K 236:K2K 189:KEK 147:KEK 1442:: 1351:, 1347:, 1343:, 1339:, 1335:, 1331:, 1321:, 1317:, 1313:, 1309:, 1305:, 1291:, 1287:, 1283:, 1279:, 1269:de 1262:, 1258:, 1254:, 1244:, 1240:, 1236:, 1232:, 1222:, 1218:, 1214:, 1200:, 1196:, 1192:, 1188:, 1178:, 1174:, 1170:, 1166:, 1152:, 1148:, 1144:, 1130:, 1126:, 1122:, 1118:, 1104:, 1100:, 1096:, 1092:, 1078:, 1074:, 1070:, 1066:, 1062:, 1058:, 1054:, 1050:, 1046:, 1013:, 1009:, 1005:, 985:: 971:, 955:, 951:, 947:: 927:: 917:, 913:, 909:, 905:, 895:, 891:, 861:/ 845:, 837:, 823:, 819:, 815:: 801:, 797:; 763:, 759:, 755:, 747:, 743:, 739:: 729:, 725:, 721:, 717:, 713:, 709:, 705:, 701:, 640:, 614:, 610:, 606:, 537:. 510:. 484:. 458:. 425:. 398:. 373:. 348:: 346:}} 342:{{ 306:. 219:, 195:. 179:: 1428:e 1421:t 1414:v 1403:. 579:e 572:t 565:v 548:. 522:. 496:. 470:. 444:. 433:: 410:. 384:. 359:) 355:( 338:. 317:. 175:( 52:) 48:(

Index

Northwestern
Asahi Prize
Nishina Memorial Prize
Bruno Pontecorvo Prize
Breakthrough Prize in Fundamental Physics
Kyōto University
KEK
J-PARC
Doctoral advisor
Japanese
neutrino
KEK
Kyōto University
Northwestern
David Buchholz
Wikidata
University of Chicago
State University of New York
Tōkyō University
J-PARC
K2K
T2K
Super Kamiokande
Kamioka
J-PARC
K2K
T2K
Breakthrough Prize in Fundamental Physics
Nishina Memorial Prize
Bruno Pontecorvo Prize

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