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Belle experiment

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Choi, S.-K.; Olsen, S. L.; Abe, K.; Abe, T.; Adachi, I.; Ahn, Byoung Sup; Aihara, H.; Akai, K.; Akatsu, M. (2003-12-23). "Observation of a Narrow Charmoniumlike State in Exclusive B ± → K ± π + π − J / ψ Decays".
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Abe, K.; Asai, K.; Adachi, I.; Ahn, Byoung Sup; Aihara, H.; Akatsu, M.; Alimonti, G.; Aoki, K. (2001-07-05). "A measurement of the branching fraction for the inclusive B→Xsγ decays with the Belle detector".
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Abe, K.; Akemoto, M.; Abe, N.; Abe, T.; Adachi, I.; Aihara, H.; Akai, K.; Akatsu, M. (2004-07-06). "Observation of Large C P Violation and Evidence for Direct C P Violation in B 0 → π + π − Decays".
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Mohapatra, D.; Nakao, M.; Nishida, S.; Abe, K.; Abe, K.; Adachi, I.; Aihara, H.; Anipko, D.; Arinstein, K. (2006-06-09). "Observation of b → d γ and Determination of | V t d / V t s |".
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Abe, K.; Asai, K.; Abe, R.; Adachi, I.; Ahn, Byoung Sup; Aihara, H.; Akatsu, M.; Alimonti, G. (2001-08-14). "Observation of Large CP Violation in the Neutral B Meson System".
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Ikado, K.; Abe, K.; Abe, K.; Adachi, I.; Aihara, H.; Akai, K.; Akemoto, M.; Anipko, D.; Arinstein, K. (2006-12-22). "Evidence of the Purely Leptonic Decay B − → τ − ν ¯ τ".
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Chao, Y.; Chang, P.; Abe, K.; Abe, K.; Abe, N.; Adachi, I.; Aihara, H.; Akai, K.; Akatsu, M. (2004-11-05). "Evidence for Direct C P Violation in B 0 → K + π − Decays".
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is an upgrade of Belle that was approved in June 2010. It is currently being commissioned, and is anticipated to start operation in 2018. Belle II is located at
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Bevan, A. J.; Golob, B.; Mannel, Th; Prell, S.; Yabsley, B. D.; Aihara, H.; Anulli, F.; Arnaud, N.; Aushev, T. (2014-11-01). "The Physics of the B Factories".
213:. However the experiment also performed extensive studies of rare decays, searches for exotic particles and precision measurements of the properties of 1508:
Ishikawa, A.; Abe, K.; Abe, K.; Abe, T.; Adachi, I.; Ahn, Byoung Sup; Aihara, H.; Akai, K.; Akatsu, M. (2003-12-24). "Observation of B → K * ℓ + ℓ −".
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Abe, T.; Adachi, I.; Adamczyk, K.; Ahn, S.; Aihara, H.; Akai, K.; Aloi, M.; Andricek, L.; Aoki, K. (2010-11-01). "Belle II Technical Design Report".
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coverage, vertex location with precision on the order of tens of micrometres (provided by a silicon vertex detector), good distinction between
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Abe, K.; Aso, T.; Abe, R.; Adachi, I.; Ahn, Byoung Sup; Aihara, H.; Akatsu, M.; Asano, Y. (2002). "Observation of the Decay B → K l + l −".
92: 88: 1214: 49:, an international collaboration of more than 400 physicists and engineers, at the High Energy Accelerator Research Organisation ( 816: 786: 1992: 1301:
Cheng, M. T.; Chu, M. L.; Wang, C. H.; Chen, H. S.; Li, J.; Zhu, Y. C.; Wang, T. J.; Yu, Z. Q.; Kawai, H. (1994-01-01).
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as they collided electrons with positrons at the center-of-momentum energy equal to the mass of the
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experiments, which demonstrate some of the counterintuitive features of quantum physics.
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accelerator) which is intended to provide a factor 40 larger integrated luminosity.
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The Belle detector was located at the collision point of the asymmetric-energy
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The retired central drift tracking chamber from Belle, now exhibited at the
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machine at the time. A large fraction of the data was collected at the
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collected by Belle are the world largest samples available.
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meson pairs). About 10% of the data was recorded below the
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observations of a number of new particles including the
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detector), and a few-percent precision electromagnetic
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an observation of large CP-violation in the neutral
1935: 235:measurement of the branching fraction of inclusive 759: 727: 699: 649: 597: 557: 509:{\displaystyle B\to DK,D\to K_{S}\pi ^{+}\pi ^{-}} 508: 440: 411: 358: 312: 263: 209:The experiment was motivated by the search for 16:1999-2010 Japanese particle physics experiment 8: 807:(4S). The instantaneous luminosity exceeded 224:Highlights of the Belle experiment include 1867: 1797: 1728: 1659: 1590: 1521: 1452: 1399: 1329: 1285: 1166: 743: 714: 691: 681: 668: 662: 650:{\displaystyle B^{0}\to \pi ^{+}\pi ^{-}} 641: 631: 618: 612: 590: 581: 572: 570: 550: 541: 532: 530: 500: 490: 480: 453: 432: 426: 403: 393: 383: 371: 350: 340: 325: 304: 294: 279: 252: 240: 65:. The experiment ran from 1999 to 2010. 1138: 700:{\displaystyle B^{0}\to K^{-}\pi ^{+}} 607:observation of direct CP-violation in 1005:resonances to search for evidence of 203:National Museum of Nature and Science 7: 1148: 1146: 1144: 1142: 785:accelerator was the world's highest 412:{\displaystyle B\to K^{*}l^{+}l^{-}} 30:The Belle detector in Tsukuba Hall, 83:. Belle at KEKB together with the 14: 264:{\displaystyle B\to X_{s}\gamma } 359:{\displaystyle B\to Kl^{+}l^{-}} 313:{\displaystyle b\to sl^{+}l^{-}} 1155:The European Physical Journal C 1931:Belle II Collaboration Website 1185:10.1140/epjc/s10052-014-3026-9 844:(corresponding to 771 million 760:{\displaystyle B\to \tau \nu } 748: 719: 674: 624: 591: 573: 551: 533: 473: 458: 376: 330: 284: 245: 150:in the momenta range from 100 1: 1886:10.1103/PhysRevLett.91.262001 1816:10.1103/PhysRevLett.97.251802 1747:10.1103/PhysRevLett.96.221601 1678:10.1103/PhysRevLett.93.191802 1609:10.1103/PhysRevLett.93.021601 1540:10.1103/PhysRevLett.91.261601 1471:10.1103/PhysRevLett.88.021801 1418:10.1016/S0370-2693(01)00626-8 1348:10.1103/PhysRevLett.87.091802 154:to few GeV/c (provided by a 45:experiment conducted by the 2014: 18: 441:{\displaystyle \phi _{3}} 130:The Belle detector was a 123:which decays to pairs of 598:{\displaystyle |V_{cb}|} 558:{\displaystyle |V_{ub}|} 19:Not to be confused with 1936:Belle II Public Website 1856:Physical Review Letters 1786:Physical Review Letters 1717:Physical Review Letters 1648:Physical Review Letters 1579:Physical Review Letters 1510:Physical Review Letters 1441:Physical Review Letters 1318:Physical Review Letters 523:CKM quark mixing matrix 1969:36.15778°N 140.07528°E 1926:Official Belle Website 1217:. 2010. Archived from 761: 729: 728:{\displaystyle b\to d} 701: 651: 599: 559: 510: 442: 413: 360: 314: 265: 206: 172:scintillating crystals 34: 817:integrated luminosity 762: 730: 702: 652: 600: 560: 511: 443: 414: 361: 315: 266: 200: 29: 1993:Particle experiments 1261:www-superkekb.kek.jp 837:(4S) mass was about 742: 713: 661: 611: 569: 529: 452: 425: 370: 324: 278: 239: 1974:36.15778; 140.07528 1965: /  1878:2003PhRvL..91z2001C 1808:2006PhRvL..97y1802I 1739:2006PhRvL..96v1601M 1670:2004PhRvL..93s1802C 1601:2004PhRvL..93b1601A 1532:2003PhRvL..91z1601I 1463:2002PhRvL..88b1801A 1410:2001PhLB..511..151B 1340:2001PhRvL..87i1802A 1177:2014EPJC...74.3026B 920:resonance to study 521:measurement of the 274:observation of the 179:Belle II experiment 47:Belle Collaboration 942:as well as on the 757: 725: 697: 647: 595: 555: 506: 438: 409: 356: 310: 261: 207: 95:were known as the 59:Ibaraki Prefecture 35: 1388:Physics Letters B 1013:. The samples of 819:collected at the 136:particle detector 2005: 1980: 1979: 1977: 1976: 1975: 1970: 1966: 1963: 1962: 1961: 1958: 1914: 1913: 1871: 1850: 1844: 1843: 1801: 1781: 1775: 1774: 1732: 1712: 1706: 1705: 1663: 1643: 1637: 1636: 1594: 1574: 1568: 1567: 1525: 1505: 1499: 1498: 1456: 1436: 1430: 1429: 1403: 1394:(2–4): 151–158. 1382: 1376: 1375: 1333: 1313: 1307: 1306: 1298: 1292: 1291: 1289: 1277: 1271: 1270: 1268: 1267: 1253: 1247: 1246: 1244: 1243: 1229: 1223: 1222: 1211: 1205: 1204: 1170: 1150: 1127: 1126: 1125: 1119: 1116: 1115: 1107: 1106: 1105: 1098: 1097: 1073: 1072: 1071: 1064: 1063: 1052: 1051: 1050: 1043: 1042: 1031: 1030: 1029: 1022: 1021: 1002: 1001: 1000: 993: 992: 981: 980: 979: 972: 971: 960: 959: 958: 951: 950: 939: 938: 937: 929: 928: 917: 916: 915: 908: 907: 898: 897: 896: 889: 888: 880: 879: 878: 872: 869: 868: 861: 860: 859: 852: 851: 843: 836: 835: 834: 827: 826: 814: 812: 806: 805: 804: 797: 796: 766: 764: 763: 758: 734: 732: 731: 726: 706: 704: 703: 698: 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91:accelerator at 24: 17: 12: 11: 5: 2011: 2009: 2001: 2000: 1995: 1985: 1984: 1949: 1948: 1944:Experiment on 1938: 1933: 1928: 1921: 1920:External links 1918: 1916: 1915: 1869:hep-ex/0309032 1862:(26): 262001. 1845: 1799:hep-ex/0604018 1792:(25): 251802. 1776: 1730:hep-ex/0506079 1723:(22): 221601. 1707: 1661:hep-ex/0408100 1654:(19): 191802. 1638: 1592:hep-ex/0401029 1569: 1523:hep-ex/0308044 1516:(26): 261601. 1500: 1454:hep-ex/0109026 1431: 1401:hep-ex/0103042 1377: 1331:hep-ex/0107061 1308: 1293: 1272: 1248: 1237:www.belle2.org 1224: 1221:on 2014-12-26. 1206: 1137: 1135: 1132: 1131: 1130: 1123: 1113: 1103: 1095: 1088: 1081: 1078: 1069: 1061: 1048: 1040: 1027: 1019: 998: 990: 977: 969: 956: 948: 934: 926: 913: 905: 894: 886: 876: 866: 857: 849: 832: 824: 802: 794: 778: 775: 774: 773: 767: 756: 753: 750: 747: 736: 724: 721: 718: 707: 694: 690: 684: 680: 676: 671: 667: 644: 640: 634: 630: 626: 621: 617: 605: 593: 587: 584: 580: 575: 553: 547: 544: 540: 535: 519: 503: 499: 493: 489: 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225: 222: 220: 219:tau particles 216: 212: 204: 199: 192: 190: 188: 185:(an upgraded 184: 180: 175: 173: 169: 165: 161: 157: 153: 149: 145: 141: 137: 133: 128: 126: 122: 119: 98: 94: 90: 86: 82: 78: 75: 71: 66: 64: 60: 56: 52: 48: 44: 40: 33: 28: 22: 1950: 1942:KEK-BF-BELLE 1859: 1855: 1848: 1789: 1785: 1779: 1720: 1716: 1710: 1651: 1647: 1641: 1582: 1578: 1572: 1513: 1509: 1503: 1444: 1440: 1434: 1391: 1387: 1380: 1321: 1317: 1311: 1296: 1275: 1264:. Retrieved 1260: 1251: 1240:. Retrieved 1236: 1227: 1219:the original 1209: 1161:(11): 3026. 1158: 1154: 813:10 cm·s 780: 777:Data samples 223: 211:CP-violation 208: 176: 129: 67: 46: 38: 36: 1972: / 1960:140°04′31″E 1946:INSPIRE-HEP 1940:Record for 1257:"SuperKEKB" 1128:oscillation 1011:Higgs Boson 1007:Dark Matter 735:transitions 517:Dalitz plot 160:calorimeter 140:solid angle 138:with large 134:multilayer 97:B-factories 1987:Categories 1957:36°09′28″N 1266:2017-04-30 1242:2017-04-28 1233:"Belle II" 1134:References 787:luminosity 448:using the 1998:B physics 1894:0031-9007 1824:0031-9007 1755:0031-9007 1686:0031-9007 1617:0031-9007 1548:0031-9007 1479:0031-9007 1426:119360083 1356:0031-9007 1287:1011.0352 1193:1434-6044 1168:1406.6311 1086:B-factory 839:710  755:ν 752:τ 749:→ 720:→ 689:π 683:− 675:→ 643:− 639:π 629:π 625:→ 525:elements 502:− 498:π 488:π 474:→ 459:→ 430:ϕ 405:− 385:∗ 377:→ 352:− 331:→ 306:− 285:→ 259:γ 246:→ 183:SuperKEKB 162:(made of 156:Cherenkov 121:resonance 21:Bell test 1902:14754041 1840:37468451 1832:17280341 1763:16803300 1702:40785991 1694:15600826 1633:23736093 1625:15323897 1564:26236764 1556:14754037 1495:15298752 1487:11801003 1364:11531561 1080:See also 1009:and the 215:D mesons 132:hermetic 125:B mesons 77:collider 74:positron 70:electron 1910:1017547 1874:Bibcode 1804:Bibcode 1771:7745694 1735:Bibcode 1666:Bibcode 1597:Bibcode 1528:Bibcode 1459:Bibcode 1406:Bibcode 1372:3197654 1336:Bibcode 1201:9063079 1173:Bibcode 771:X(3872) 230:B meson 193:Results 87:at the 55:Tsukuba 1908:  1900:  1892:  1838:  1830:  1822:  1769:  1761:  1753:  1700:  1692:  1684:  1631:  1623:  1615:  1562:  1554:  1546:  1493:  1485:  1477:  1424:  1370:  1362:  1354:  1199:  1191:  940:mesons 815:. The 271:decays 232:system 217:, and 89:PEP-II 41:was a 1906:S2CID 1864:arXiv 1836:S2CID 1794:arXiv 1767:S2CID 1725:arXiv 1698:S2CID 1656:arXiv 1629:S2CID 1587:arXiv 1560:S2CID 1518:arXiv 1491:S2CID 1449:arXiv 1422:S2CID 1396:arXiv 1368:S2CID 1326:arXiv 1282:arXiv 1197:S2CID 1163:arXiv 152:MeV/c 148:kaons 144:pions 63:Japan 53:) in 1898:PMID 1890:ISSN 1828:PMID 1820:ISSN 1759:PMID 1751:ISSN 1690:PMID 1682:ISSN 1621:PMID 1613:ISSN 1552:PMID 1544:ISSN 1483:PMID 1475:ISSN 1360:PMID 1352:ISSN 1189:ISSN 1074:(5S) 1055:and 1053:(2S) 1032:(1S) 1003:(3S) 984:and 982:(2S) 961:(1S) 918:(5S) 809:2.11 783:KEKB 781:The 657:and 565:and 366:and 187:KEKB 177:The 146:and 118:(4S) 93:SLAC 81:KEKB 37:The 1882:doi 1812:doi 1743:doi 1674:doi 1605:doi 1536:doi 1467:doi 1414:doi 1392:511 1344:doi 1181:doi 174:). 164:CsI 51:KEK 32:KEK 1989:: 1904:. 1896:. 1888:. 1880:. 1872:. 1860:91 1858:. 1834:. 1826:. 1818:. 1810:. 1802:. 1790:97 1788:. 1765:. 1757:. 1749:. 1741:. 1733:. 1721:96 1719:. 1696:. 1688:. 1680:. 1672:. 1664:. 1652:93 1650:. 1627:. 1619:. 1611:. 1603:. 1595:. 1583:93 1581:. 1558:. 1550:. 1542:. 1534:. 1526:. 1514:91 1512:. 1489:. 1481:. 1473:. 1465:. 1457:. 1445:88 1443:. 1420:. 1412:. 1404:. 1390:. 1366:. 1358:. 1350:. 1342:. 1334:. 1322:87 1320:. 1259:. 1235:. 1195:. 1187:. 1179:. 1171:. 1159:74 1157:. 1141:^ 1034:, 963:, 841:fb 170:) 168:Tl 127:. 79:, 61:, 57:, 1912:. 1884:: 1876:: 1866:: 1842:. 1814:: 1806:: 1796:: 1773:. 1745:: 1737:: 1727:: 1704:. 1676:: 1668:: 1658:: 1635:. 1607:: 1599:: 1589:: 1566:. 1538:: 1530:: 1520:: 1497:. 1469:: 1461:: 1451:: 1428:. 1416:: 1408:: 1398:: 1374:. 1346:: 1338:: 1328:: 1305:. 1290:. 1284:: 1269:. 1245:. 1203:. 1183:: 1175:: 1165:: 1118:B 1108:– 1099:B 1065:ϒ 1044:ϒ 1023:ϒ 994:ϒ 973:ϒ 952:ϒ 935:s 930:B 909:ϒ 890:ϒ 871:B 853:B 828:ϒ 811:× 798:ϒ 746:B 723:d 717:b 693:+ 679:K 670:0 666:B 633:+ 620:0 616:B 592:| 586:b 583:c 579:V 574:| 552:| 546:b 543:u 539:V 534:| 492:+ 482:S 478:K 471:D 468:, 465:K 462:D 456:B 434:3 401:l 395:+ 391:l 381:K 374:B 348:l 342:+ 338:l 334:K 328:B 302:l 296:+ 292:l 288:s 282:b 254:s 250:X 243:B 205:. 166:( 109:ϒ 72:–

Index

Bell test

KEK
particle physics
KEK
Tsukuba
Ibaraki Prefecture
Japan
electron
positron
collider
KEKB
BaBar experiment
PEP-II
SLAC
B-factories

ϒ
(4S)

resonance
B mesons
hermetic
particle detector
solid angle
pions
kaons
MeV/c
Cherenkov
calorimeter
CsI
Tl
scintillating crystals

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