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欧洲核子研究中心（European Organization for Nuclear Research, CERN）大型强子对撞机（Large Hadron Collider, LHC）上底夸克探测器（Large Hadron Collider beauty, LHCb）实验合作组近日宣布，他们发现了一种新型电中性隐粲奇异四夸克态存在的证据。这一在奇特强子态研究中取得的新进展由北京大学物理学院、核...
LHCb begins using unique approach to process collision data in real-time（图）
LHCb 碰撞数据 大型强子对撞机
2023/5/29
Current technology does not allow all Large Hadron Collider (LHC) proton–proton collision data to be stored and analysed. It is therefore necessary to filter out the data according to the scientific g...
LHCb brings leptons into line（图）
大型强子对撞机 轻子 正轨
2023/5/26
Today the international LHCb collaboration at the Large Hadron Collider (LHC) presented new measurements of rare particle transformations, or decays, that provide one of the highest-precision tests ye...
On Friday, 21 October, at 10.15 p.m. CEST, the Large Hadron Collider beauty (LHCb) experiment passed an important milestone for Run 3. Its state-of-the-art vertex locator, or VELO upgrade, aligned mor...
The new LHCb VELO
顶点定位器 VELO LHCb 像素探测器
2023/5/30
The VELO was installed at the LHCb experiment in May 2022, just in time for the start of the third LHC run, on 5 July, marking the end of 15 years of development and construction.
The international LHCb collaboration at the Large Hadron Collider (LHC) has observed three never-before-seen particles: a new kind of “pentaquark” and the first-ever pair of “tetraquarks”, which inclu...
At the Quark Matter conference today and at the recent Rencontres de Moriond conference, the LHCb collaboration presented an analysis of particle collisions at the Large Hadron Collider (LHC) that may...
中国科学院大学物理学学院LHCb实验团队首次观测到新的五夸克态存在的迹象（图）
五夸克态 粒子物理 强子态 强相互作用
2022/5/18
欧洲核子研究中心的LHCb实验近期观测到一个新的五夸克态存在的迹象。中国科学院大学粒子物理LHCb实验团队的傅金林副教授和意大利国家核物理研究院的科学家合作，在这项研究中作出了突出贡献。研究结果2022年2月7日发表在《物理评论快报》(Physical Review Letters) 上，并选为当期编辑推荐文章(Editors’ Suggestion)。
中国科学院大学物理科学学院LHCb实验团队在奇特态X(3872)的实验研究取得新进展，利用LHCb实验采集的质子-质子对撞数据，主导完成了奇特态X(3872)的双微分产生截面的首次测量。该成果于2022年1月24日发表在粒子物理领域国际权威期刊《高能物理杂志》[JHEP 01 (2022) 131]。
The LHC experiments are nearing the completion of maintenance and upgrade works carried out in the framework of the second long shutdown of CERN’s accelerator complex. Of all the experiments, LHCb is ...
近日，欧洲核子研究中心大型强子对撞机底夸克探测器（LHCb）实验组在欧洲物理学会高能物理会议（EPS-HEP）上宣布，探测到包含两个粲夸克、一个反上夸克和一个反下夸克的四夸克态TCC+,从而证实了物理学院朱世琳教授与合作者2012年预言的由DD*介子构成的双粲奇特强子态。
2021 LHCb prize winners（图）
大型强子对撞机奖 2021年 LHCb GPU高级触发器
2023/5/30
The winners of the 2021 LHCb thesis prize are Tom Boettcher (MIT) and Dmitrii Pereima (Kurchatov Institute, Moscow). Tom’s thesis is on the LHCb GPU high-level trigger and measurements of neutral pion...
The LHCb collaboration has measured a difference in mass between two particles of 0.00000000000000000000000000000000000001 grams – or, in scientific notation, 10-38 g. The result, reported in a paper ...
Today the LHCb experiment at CERN announced new results which, if confirmed, would suggest hints of a violation of the Standard Model of particle physics. The results focus on the potential violation ...
