{"title":"Quasi-linear theory of fast flavor instabilities","authors":"","doi":"10.1103/f1dk-yk6g","DOIUrl":"https://doi.org/10.1103/f1dk-yk6g","url":null,"abstract":"","PeriodicalId":20069,"journal":{"name":"Physical review letters","volume":"10 1","pages":""},"PeriodicalIF":8.6,"publicationDate":"2026-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149043484","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Kinetic pathway for electron energization during strong guide-field magnetic reconnection","authors":"","doi":"10.1103/w5l7-jc9r","DOIUrl":"https://doi.org/10.1103/w5l7-jc9r","url":null,"abstract":"","PeriodicalId":20069,"journal":{"name":"Physical review letters","volume":"30 1","pages":""},"PeriodicalIF":8.6,"publicationDate":"2026-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149043482","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Transient alignment of distinct l -doubling populations via centrifugal distortion pre-compensation","authors":"","doi":"10.1103/3m8q-k1cq","DOIUrl":"https://doi.org/10.1103/3m8q-k1cq","url":null,"abstract":"","PeriodicalId":20069,"journal":{"name":"Physical review letters","volume":"83 1","pages":""},"PeriodicalIF":8.6,"publicationDate":"2026-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149043477","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Contamination-free resolution of Cantor spectra and magic-angle localization in moiré quasicrystals and aperiodic media","authors":"","doi":"10.1103/7931-lsqk","DOIUrl":"https://doi.org/10.1103/7931-lsqk","url":null,"abstract":"","PeriodicalId":20069,"journal":{"name":"Physical review letters","volume":"51 1","pages":""},"PeriodicalIF":8.6,"publicationDate":"2026-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149043599","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
M. Ablikim,M. N. Achasov,P. Adlarson,X. C. Ai,C. S. Akondi,R. Aliberti,A. Amoroso,Q. An,Y. H. An,Y. Bai,O. Bakina,Y. Ban,H.-R. Bao,X. L. Bao,V. Batozskaya,K. Begzsuren,N. Berger,M. Berlowski,M. B. Bertani,D. Bettoni,F. Bianchi,E. Bianco,A. Bortone,I. Boyko,R. A. Briere,A. Brueggemann,H. Cai,M. H. Cai,X. Cai,A. Calcaterra,G. F. Cao,N. Cao,S. A. Cetin,X. Y. Chai,J. F. Chang,T. T. Chang,G. R. Che,Y. Z. Che,C. H. Chen,Chao Chen,G. Chen,H. S. Chen,H. Y. Chen,M. L. Chen,S. J. Chen,S. M. Chen,T. Chen,W. Chen,X. R. Chen,X. T. Chen,X. Y. Chen,Y. B. Chen,Y. Q. Chen,Z. K. Chen,J. Cheng,L. N. Cheng,S. K. Choi,X. Chu,G. Cibinetto,F. Cossio,J. Cottee-Meldrum,H. L. Dai,J. P. Dai,X. C. Dai,A. Dbeyssi,R. E. de Boer,D. Dedovich,C. Q. Deng,Z. Y. Deng,A. Denig,I. Denisenko,M. Destefanis,F. De Mori,X. X. Ding,Y. Ding,Y. X. Ding,J. Dong,L. Y. Dong,M. Y. Dong,X. Dong,M. C. Du,S. X. Du,S. X. Du,X. L. Du,Y. Q. Du,Y. Y. Duan,Z. H. Duan,P. Egorov,G. F. Fan,J. J. Fan,Y. H. Fan,J. Fang,J. Fang,S. S. Fang,W. X. Fang,Y. Q. Fang,L. Fava,F. Feldbauer,G. Felici,C. Q. Feng,J. H. Feng,L. Feng,Q. X. Feng,Y. T. Feng,M. Fritsch,C. D. Fu,J. L. Fu,Y. W. Fu,H. Gao,Y. Gao,Y. N. Gao,Y. N. Gao,Y. Y. Gao,Z. Gao,S. Garbolino,I. Garzia,L. Ge,P. T. Ge,Z. W. Ge,C. Geng,E. M. Gersabeck,A. Gilman,K. Goetzen,J. Gollub,J. B. Gong,J. D. Gong,L. Gong,W. X. Gong,W. Gradl,S. Gramigna,M. Greco,M. D. Gu,M. H. Gu,C. Y. Guan,A. Q. Guo,J. N. Guo,L. B. Guo,M. J. Guo,R. P. Guo,X. Guo,Y. P. Guo,Z. Guo,A. Guskov,J. Gutierrez,J. Y. Han,T. T. Han,X. Han,F. Hanisch,K. D. Hao,X. Q. Hao,F. A. Harris,C. Z. He,K. K. He,K. L. He,F. H. Heinsius,C. H. Heinz,Y. K. Heng,C. Herold,P. C. Hong,G. Y. Hou,X. T. Hou,Y. R. Hou,Z. L. Hou,H. M. Hu,J. F. Hu,Q. P. Hu,S. L. Hu,T. Hu,Y. Hu,Y. X. Hu,Z. M. Hu,G. S. Huang,K. X. Huang,L. Q. Huang,P. Huang,X. T. Huang,Y. P. Huang,Y. S. Huang,T. Hussain,N. Hüsken,N. in der Wiesche,J. Jackson,Q. Ji,Q. P. Ji,W. Ji,X. B. Ji,X. L. Ji,L. K. Jia,X. Q. Jia,Z. K. Jia,D. Jiang,H. B. Jiang,P. C. Jiang,S. J. Jiang,X. S. Jiang,Y. Jiang,J. B. Jiao,J. K. Jiao,Z. Jiao,L. C. L. Jin,S. Jin,Y. Jin,M. Q. Jing,X. M. Jing,T. Johansson,S. Kabana,X. L. Kang,X. S. Kang,B. C. Ke,V. Khachatryan,A. Khoukaz,O. B. Kolcu,B. Kopf,L. Kröger,L. Krümmel,Y. Y. Kuang,M. Kuessner,X. Kui,N. Kumar,A. Kupsc,W. Kühn,Q. Lan,W. N. Lan,T. T. Lei,M. Lellmann,T. Lenz,C. Li,C. Li,C. H. Li,C. K. Li,C. K. Li,D. M. Li,F. Li,G. Li,H. B. Li,H. J. Li,H. L. Li,H. N. Li,H. P. Li,Hui Li,J. S. Li,J. W. Li,K. Li,K. L. Li,L. J. Li,Lei Li,M. H. Li,M. R. Li,P. L. Li,P. R. Li,Q. M. Li,Q. X. Li,R. Li,S. Li,S. X. Li,S. Y. Li,Shanshan Li,T. Li,T. Y. Li,W. D. Li,W. G. Li,X. Li,X. H. Li,X. K. Li,X. L. Li,X. Y. Li,X. Z. Li,Y. Li,Y. G. Li,Y. P. Li,Z. H. Li,Z. J. Li,Z. L. Li,Z. X. Li,Z. Y. Li,C. Liang,H. Liang,Y. F. Liang,Y. T. Liang,G. R. Liao,L. B. Liao,M. H. Liao,Y. P. Liao,J. Libby,A. Limphirat,C. C. Lin,D. X. Lin,T. Lin,B. J. Liu,B. X. Liu,C. Liu,C. X. Liu,F. Liu,F. H. Liu,Feng Liu,G. M. Liu,H. Liu,H. B. Liu,H. M. Liu,Huihui Liu,J. B. Liu,J. J. Liu,K. Liu,K. Liu,K. Y. Liu,Ke Liu,L. Liu,L. C. Liu,Lu Liu,M. H. Liu,P. L. Liu,Q. Liu,S. B. Liu,T. Liu,W. M. Liu,W. T. Liu,X. Liu,X. K. Liu,X. L. Liu,X. P. Liu,X. Y. Liu,Y. Liu,Y. Liu,Y. B. Liu,Z. A. Liu,Z. D. Liu,Z. L. Liu,Z. Q. Liu,Z. Y. Liu,X. C. Lou,H. J. Lu,J. G. Lu,X. L. Lu,Y. Lu,Y. H. Lu,Y. P. Lu,Z. H. Lu,C. L. Luo,J. R. Luo,J. S. Luo,M. X. Luo,T. Luo,X. L. Luo,Z. Y. Lv,X. R. Lyu,Y. F. Lyu,Y. H. Lyu,F. C. Ma,H. L. Ma,Heng Ma,J. L. Ma,L. L. Ma,L. R. Ma,Q. M. Ma,R. Q. Ma,R. Y. Ma,T. Ma,X. T. Ma,X. Y. Ma,Y. M. Ma,F. E. Maas,I. MacKay,M. Maggiora,S. Malde,Q. A. Malik,H. X. Mao,Y. J. Mao,Z. P. Mao,S. Marcello,A. Marshall,F. M. Melendi,Y. H. Meng,Z. X. Meng,G. Mezzadri,H. Miao,T. J. Min,R. E. Mitchell,X. H. Mo,B. Moses,N. Yu. Muchnoi,J. Muskalla,Y. Nefedov,F. Nerling,H. Neuwirth,Z. Ning,S. Nisar,Q. L. Niu,W. D. Niu,Y. Niu,C. Normand,S. L. Olsen,Q. Ouyang,S. Pacetti,X. Pan,Y. Pan,A. Pathak,Y. P. Pei,M. Pelizaeus,G. L. Peng,H. P. Peng,X. J. Peng,Y. Y. Peng,K. Peters,K. Petridis,J. L. Ping,R. G. Ping,S. Plura,V. Prasad,F. Z. Qi,H. R. Qi,M. Qi,S. Qian,W. B. Qian,C. F. Qiao,J. H. Qiao,J. J. Qin,J. L. Qin,L. Q. Qin,L. Y. Qin,P. B. Qin,X. P. Qin,X. S. Qin,Z. H. Qin,J. F. Qiu,Z. H. Qu,J. Rademacker,C. F. Redmer,A. Rivetti,M. Rolo,G. Rong,S. S. Rong,F. Rosini,Ch. Rosner,M. Q. Ruan,N. Salone,A. Sarantsev,Y. Schelhaas,K. Schoenning,M. Scodeggio,W. Shan,X. Y. Shan,Z. J. Shang,J. F. Shangguan,L. G. Shao,M. Shao,C. P. Shen,H. F. Shen,W. H. Shen,X. Y. Shen,B. A. Shi,H. Shi,J. L. Shi,J. Y. Shi,M. H. Shi,S. Y. Shi,X. Shi,H. L. Song,J. J. Song,M. H. Song,T. Z. Song,W. M. Song,Y. X. Song,Zirong Song,S. Sosio,S. Spataro,S. Stansilaus,F. Stieler,M. Stolte,S. S. Su,G. B. Sun,G. X. Sun,H. Sun,H. K. Sun,J. F. Sun,K. Sun,L. Sun,R. Sun,S. S. Sun,T. Sun,W. Y. Sun,Y. C. Sun,Y. H. Sun,Y. J. Sun,Y. Z. Sun,Z. Q. Sun,Z. T. Sun,C. J. Tang,G. Y. Tang,J. Tang,J. J. Tang,L. F. Tang,Y. A. Tang,L. Y. Tao,M. Tat,J. X. Teng,J. Y. Tian,W. H. Tian,Y. Tian,Z. F. Tian,I. Uman,E. van der Smagt,B. Wang,B. Wang,Bo Wang,C. Wang,C. Wang,Cong Wang,D. Y. Wang,H. J. Wang,H. R. Wang,J. Wang,J. J. Wang,J. P. Wang,K. Wang,L. L. Wang,L. W. Wang,M. Wang,M. Wang,N. Y. Wang,S. Wang,Shun Wang,T. Wang,T. J. Wang,W. Wang,W. P. Wang,X. F. Wang,X. L. Wang,X. N. Wang,Xin Wang,Y. Wang,Y. D. Wang,Y. F. Wang,Y. H. Wang,Y. J. Wang,Y. L. Wang,Y. N. Wang,Y. N. Wang,Yaqian Wang,Yi Wang,Yuan Wang,Z. Wang,Z. Wang,Z. L. Wang,Z. Q. Wang,Z. Y. Wang,Ziyi Wang,D. Wei,D. H. Wei,H. R. Wei,F. Weidner,S. P. Wen,U. Wiedner,G. Wilkinson,M. Wolke,J. F. Wu,L. H. Wu,L. J. Wu,Lianjie Wu,S. G. Wu,S. M. Wu,X. W. Wu,Z. Wu,H. L. Xia,L. Xia,B. H. Xiang,D. Xiao,G. Y. Xiao,H. Xiao,Y. L. Xiao,Z. J. Xiao,C. Xie,K. J. Xie,Y. Xie,Y. G. Xie,Y. H. Xie,Z. P. Xie,T. Y. Xing,D. B. Xiong,C. J. Xu,G. F. Xu,H. Y. Xu,M. Xu,Q. J. Xu,Q. N. Xu,T. D. Xu,X. P. Xu,Y. Xu,Y. C. Xu,Z. S. Xu,F. Yan,L. Yan,W. B. Yan,W. C. Yan,W. H. Yan,W. P. Yan,X. Q. Yan,Y. Y. Yan,H. J. Yang,H. L. Yang,H. X. Yang,J. H. Yang,R. J. Yang,Y. Yang,Y. H. Yang,Y. H. Yang,Y. M. Yang,Y. Q. Yang,Y. Z. Yang,Z. Y. Yang,Z. P. Yao,M. Ye,M. H. Ye,Z. J. Ye,Junhao Yin,Z. Y. You,B. X. Yu,C. X. Yu,G. Yu,J. S. Yu,L. W. Yu,T. Yu,X. D. Yu,Y. C. Yu,Y. C. Yu,C. Z. Yuan,H. Yuan,J. Yuan,J. Yuan,L. Yuan,M. K. Yuan,S. H. Yuan,Y. Yuan,C. X. Yue,Ying Yue,A. A. Zafar,F. R. Zeng,S. H. Zeng,X. Zeng,Yujie Zeng,Y. J. Zeng,Y. C. Zhai,Y. H. Zhan,Shunan Zhang,B. L. Zhang,B. X. Zhang,D. H. Zhang,G. Y. Zhang,G. Y. Zhang,H. Zhang,H. Zhang,H. C. Zhang,H. H. Zhang,H. Q. Zhang,H. R. Zhang,H. Y. Zhang,J. Zhang,J. Zhang,J. J. Zhang,J. L. Zhang,J. Q. Zhang,J. S. Zhang,J. W. Zhang,J. X. Zhang,J. Y. Zhang,J. Y. Zhang,J. Z. Zhang,Jianyu Zhang,L. M. Zhang,Lei Zhang,N. Zhang,P. Zhang,Q. Zhang,Q. Y. Zhang,Q. Z. Zhang,R. Y. Zhang,S. H. Zhang,Shulei Zhang,X. M. Zhang,X. Y. Zhang,Y. Zhang,Y. Zhang,Y. T. Zhang,Y. H. Zhang,Y. P. Zhang,Z. D. Zhang,Z. H. Zhang,Z. L. Zhang,Z. L. Zhang,Z. X. Zhang,Z. Y. Zhang,Z. Y. Zhang,Z. Y. Zhang,Zh. Zh. Zhang,G. Zhao,J.-P. Zhao,J. Y. Zhao,J. Z. Zhao,L. Zhao,L. Zhao,M. G. Zhao,R. P. Zhao,S. J. Zhao,Y. B. Zhao,Y. L. Zhao,Y. P. Zhao,Y. X. Zhao,Z. G. Zhao,A. Zhemchugov,B. Zheng,B. M. Zheng,J. P. Zheng,W. J. Zheng,W. Q. Zheng,X. R. Zheng,Y. H. Zheng,B. Zhong,C. Zhong,H. Zhou,J. Q. Zhou,S. Zhou,X. Zhou,X. K. Zhou,X. R. Zhou,X. Y. Zhou,Y. X. Zhou,Y. Z. Zhou,A. N. Zhu,J. Zhu,K. Zhu,K. J. Zhu,K. S. Zhu,L. X. Zhu,Lin Zhu,S. H. Zhu,T. J. Zhu,W. D. Zhu,W. J. Zhu,W. Z. Zhu,Y. C. Zhu,Z. A. Zhu,X. Y. Zhuang,J. H. Zou,BESIII Collaboration
{"title":"Precision Studies and Searches for\u0000 \u0000 C\u0000 P\u0000 \u0000 Asymmetries in the Inclusive Decay\u0000 \u0000 \u0000 Λ\u0000 c\u0000 +\u0000 \u0000 →\u0000 Λ\u0000 X\u0000 ","authors":"M. Ablikim,M. N. Achasov,P. Adlarson,X. C. Ai,C. S. Akondi,R. Aliberti,A. Amoroso,Q. An,Y. H. An,Y. Bai,O. Bakina,Y. Ban,H.-R. Bao,X. L. Bao,V. Batozskaya,K. Begzsuren,N. Berger,M. Berlowski,M. B. Bertani,D. Bettoni,F. Bianchi,E. Bianco,A. Bortone,I. Boyko,R. A. Briere,A. Brueggemann,H. Cai,M. H. Cai,X. Cai,A. Calcaterra,G. F. Cao,N. Cao,S. A. Cetin,X. Y. Chai,J. F. Chang,T. T. Chang,G. R. Che,Y. Z. Che,C. H. Chen,Chao Chen,G. Chen,H. S. Chen,H. Y. Chen,M. L. Chen,S. J. Chen,S. M. Chen,T. Chen,W. Chen,X. R. Chen,X. T. Chen,X. Y. Chen,Y. B. Chen,Y. Q. Chen,Z. K. Chen,J. Cheng,L. N. Cheng,S. K. Choi,X. Chu,G. Cibinetto,F. Cossio,J. Cottee-Meldrum,H. L. Dai,J. P. Dai,X. C. Dai,A. Dbeyssi,R. E. de Boer,D. Dedovich,C. Q. Deng,Z. Y. Deng,A. Denig,I. Denisenko,M. Destefanis,F. De Mori,X. X. Ding,Y. Ding,Y. X. Ding,J. Dong,L. Y. Dong,M. Y. Dong,X. Dong,M. C. Du,S. X. Du,S. X. Du,X. L. Du,Y. Q. Du,Y. Y. Duan,Z. H. Duan,P. Egorov,G. F. Fan,J. J. Fan,Y. H. Fan,J. Fang,J. Fang,S. S. Fang,W. X. Fang,Y. Q. Fang,L. Fava,F. Feldbauer,G. Felici,C. Q. Feng,J. H. Feng,L. Feng,Q. X. Feng,Y. T. Feng,M. Fritsch,C. D. Fu,J. L. Fu,Y. W. Fu,H. Gao,Y. Gao,Y. N. Gao,Y. N. Gao,Y. Y. Gao,Z. Gao,S. Garbolino,I. Garzia,L. Ge,P. T. Ge,Z. W. Ge,C. Geng,E. M. Gersabeck,A. Gilman,K. Goetzen,J. Gollub,J. B. Gong,J. D. Gong,L. Gong,W. X. Gong,W. Gradl,S. Gramigna,M. Greco,M. D. Gu,M. H. Gu,C. Y. Guan,A. Q. Guo,J. N. Guo,L. B. Guo,M. J. Guo,R. P. Guo,X. Guo,Y. P. Guo,Z. Guo,A. Guskov,J. Gutierrez,J. Y. Han,T. T. Han,X. Han,F. Hanisch,K. D. Hao,X. Q. Hao,F. A. Harris,C. Z. He,K. K. He,K. L. He,F. H. Heinsius,C. H. Heinz,Y. K. Heng,C. Herold,P. C. Hong,G. Y. Hou,X. T. Hou,Y. R. Hou,Z. L. Hou,H. M. Hu,J. F. Hu,Q. P. Hu,S. L. Hu,T. Hu,Y. Hu,Y. X. Hu,Z. M. Hu,G. S. Huang,K. X. Huang,L. Q. Huang,P. Huang,X. T. Huang,Y. P. Huang,Y. S. Huang,T. Hussain,N. Hüsken,N. in der Wiesche,J. Jackson,Q. Ji,Q. P. Ji,W. Ji,X. B. Ji,X. L. Ji,L. K. Jia,X. Q. Jia,Z. K. Jia,D. Jiang,H. B. Jiang,P. C. Jiang,S. J. Jiang,X. S. Jiang,Y. Jiang,J. B. Jiao,J. K. Jiao,Z. Jiao,L. C. L. Jin,S. Jin,Y. Jin,M. Q. Jing,X. M. Jing,T. Johansson,S. Kabana,X. L. Kang,X. S. Kang,B. C. Ke,V. Khachatryan,A. Khoukaz,O. B. Kolcu,B. Kopf,L. Kröger,L. Krümmel,Y. Y. Kuang,M. Kuessner,X. Kui,N. Kumar,A. Kupsc,W. Kühn,Q. Lan,W. N. Lan,T. T. Lei,M. Lellmann,T. Lenz,C. Li,C. Li,C. H. Li,C. K. Li,C. K. Li,D. M. Li,F. Li,G. Li,H. B. Li,H. J. Li,H. L. Li,H. N. Li,H. P. Li,Hui Li,J. S. Li,J. W. Li,K. Li,K. L. Li,L. J. Li,Lei Li,M. H. Li,M. R. Li,P. L. Li,P. R. Li,Q. M. Li,Q. X. Li,R. Li,S. Li,S. X. Li,S. Y. Li,Shanshan Li,T. Li,T. Y. Li,W. D. Li,W. G. Li,X. Li,X. H. Li,X. K. Li,X. L. Li,X. Y. Li,X. Z. Li,Y. Li,Y. G. Li,Y. P. Li,Z. H. Li,Z. J. Li,Z. L. Li,Z. X. Li,Z. Y. Li,C. Liang,H. Liang,Y. F. Liang,Y. T. Liang,G. R. Liao,L. B. Liao,M. 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Zou,BESIII Collaboration","doi":"10.1103/cxm9-mr48","DOIUrl":"https://doi.org/10.1103/cxm9-mr48","url":null,"abstract":"Based on e + e − annihilation data collected with the BESIII detector at center-of-mass energies from 4.600 to 4.699 GeV, corresponding to an integrated luminosity of 4.5 fb − 1 , we present the first measurement of the longitudinal polarization of Λ hyperon produced in the inclusive decay Λ c + → Λ X , where X denotes any allowed final states. The polarizations are determined to be P Λ = − 0.393 ± 0.05 5 stat ± 0.02 0 syst and P Λ ¯ = 0.288 ± 0.05 6 stat ± 0.01 7 syst . A search for C P violation is performed using an asymmetry constructed from the Λ polarization and the Λ → p π − decay asymmetry parameter, and A C P pol = 0.15 ± 0.1 2 stat ± 0.0 3 syst was obtained. Furthermore, an updated measurement of the absolute branching fraction is reported as B ( Λ c + → Λ X ) = ( 38.07 ± 0.3 8 stat ± 0.4 9 syst ) % , representing a fourfold precision improvement over the previous BESIII measurement. A search for C P violation in the decay rate yields A C P dir = ( 1.5 ± 1.0 stat ± 1.0 syst ) % . No evidence for C P violation is observed in this inclusive charm baryon decay. The subscripts ‘stat’ and ‘syst’ denote statistical and systematic uncertainties, respectively.","PeriodicalId":20069,"journal":{"name":"Physical review letters","volume":"9 1","pages":""},"PeriodicalIF":8.6,"publicationDate":"2026-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149049850","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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