Observation of Direct CP Violation in KS,L ! ππ Decays-猫眼课题宝

DOI：

10.1103/physrevlett.83.22

发表时间：

1999-07

期刊：

Physical Review Letters

影响因子：

8.6

通讯作者：

中科院分区：

物理与天体物理1区

文献类型：

作者：

A. Alavi-Harati;I. Albuquerque;T. Alexopoulos;M. Arenton;K. Arisaka;S. Averitte;A. Barker;L. Bellantoni;A. Bellavance;J. Belz;R. Ben-David;D. Bergman;E. Blucher;G. Bock;C. Bown;S. Bright;E. Cheu;S. Childress;R. Coleman;M. Corcoran;G. Corti;B. Cox;M. Crisler;A. Erwin;R. Ford;A. Glazov;A. Golossanov;G. Graham;J. Graham;K. Hagan;E. Halkiadakis;K. Hanagaki;S. Hidaka;Y. Hsiung;V. Jejer;J. Jennings;D. Jensen;R. Kessler;H. Kobrak;J. Ladue;A. Lath;A. Ledovskoy;P. McBride;A. McManus;P. Mikelsons;E. Monnier;T. Nakaya;U. Nauenberg;K. Nelson;H. Nguyen;V. O’dell;M. Pang;R. Pordes;Vindhyawasini Prasad;C. Qiao;B. Quinn;E. Ramberg;R. Ray;A. Roodman;M. Sadamoto;S. Schnetzer;K. Senyo;P. Shanahan;P. Shawhan;W. Slater;N. Solomey;S. Somalwar;R. Stone;I. Suzuki;E. Swallow;R. Swanson;S. Taegar;R. Tesarek;G. Thomson;P. Toale;A. Tripathi;R. Tschirhart;Y. Wah;Jun Wang;H. White;J. Whitmore;B. Winstein;R. Winston;J. Y. Wu;T. Yamanaka;E. Zimmerman

作者：Alavi-Harati，A；阿尔伯克基，IF；阿莱克索普洛斯，T；阿伦顿，M；有坂，K；阿维里特，S；巴克，AR；贝兰托尼，L；贝拉万斯，A；贝尔兹，J；本·大卫，R；伯格曼博士；布吕歇尔，E；博克，GJ；鲍恩，C；明亮，S；周，E；柴尔德里斯，S；科尔曼，R；科克伦，医学博士；科尔蒂，G；考克斯，B；克里斯勒，MB；欧文，AR；福特，R；格拉佐夫，A；戈洛萨诺夫，A；格雷厄姆，G；格雷厄姆，J；哈根，K；哈尔基亚达基斯，E；花垣，K；日高，S；熊YB；杰杰尔，V；詹宁斯，J；詹森，DA；凯斯勒，R；科布拉克，HGE；拉杜，J；板条，A；列多夫斯科伊，A；麦克布莱德，PL；麦克马纳斯，美联社；米克尔森，P；莫尼尔，E；中谷，T；瑙恩伯格，U；堪萨斯州纳尔逊；阮，H；奥德尔，V；庞，M；波德斯，R；普拉萨德，V；乔，C；奎因，B；兰伯格，EJ；雷，RE；鲁德曼，A；贞本，M；施内泽，S；森尼奥，K；沙纳汉，P；肖汉，PS；斯莱特，W；索罗米，N；索马里瓦尔，SV；斯通，RL；铃木，我；燕子，EC；斯旺森，RA；南澳州泰加尔；特萨雷克，RJ；汤姆森，英国；宾夕法尼亚州托阿勒；特里帕蒂，A；奇尔哈特，R；哇，YW；王杰;白色，HB；惠特莫尔，J；温斯坦，B；温斯顿，R；吴，JY；山中，T |摘要：我们使用费米实验室 KTeV 实验 (E832) 的数据子集比较了 KL 和 KS 与 Π+ Π- Π0Π0 最终态的衰变率。我们发现直接CP破坏参数Re (μ’/μ)等于[28.0±3.0(stat)±2.8(syst)]×10-4。这一结果明确证实了衰变过程中 CP 破坏的存在。 © 1999 美国物理学会。

Author(s): Alavi-Harati, A; Albuquerque, IF; Alexopoulos, T; Arenton, M; Arisaka, K; Averitte, S; Barker, AR; Bellantoni, L; Bellavance, A; Belz, J; Ben David, R; Bergman, DR; Blucher, E; Bock, GJ; Bown, C; Bright, S; Cheu, E; Childress, S; Coleman, R; Corcoran, MD; Corti, G; Cox, B; Crisler, MB; Erwin, AR; Ford, R; Glazov, A; Golossanov, A; Graham, G; Graham, J; Hagan, K; Halkiadakis, E; Hanagaki, K; Hidaka, S; Hsiung, YB; Jejer, V; Jennings, J; Jensen, DA; Kessler, R; Kobrak, HGE; La Due, J; Lath, A; Ledovskoy, A; Mc Bride, PL; Mc Manus, AP; Mikelsons, P; Monnier, E; Nakaya, T; Nauenberg, U; Nelson, KS; Nguyen, H; O’dell, V; Pang, M; Pordes, R; Prasad, V; Qiao, C; Quinn, B; Ramberg, EJ; Ray, RE; Roodman, A; Sadamoto, M; Schnetzer, S; Senyo, K; Shanahan, P; Shawhan, PS; Slater, W; Solomey, N; Somalwar, SV; Stone, RL; Suzuki, I; Swallow, EC; Swanson, RA; Taegar, SA; Tesarek, RJ; Thomson, GB; Toale, PA; Tripathi, A; Tschirhart, R; Wah, YW; Wang, J; White, HB; Whitmore, J; Winstein, B; Winston, R; Wu, JY; Yamanaka, T | Abstract: We have compared the decay rates of KL and KS toΠ+ Π- Π0Π0 final states using a subset of the data from the KTeV experiment (E832) at Fermilab. We find that the direct-CP-violation parameter Re (μ’/μ) is equal to [28.0±3.0(stat)±2.8(syst)]×10-4. This result definitively establishes the existence of CP violation in a decay process. © 1999 The American Physical Society.

Observation of Direct CP Violation in KS,L ! ππ Decays

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