搜索结果: 1-15 共查到“物理学 ALICE”相关记录36条 . 查询时间(0.093 秒)
Quark–gluon plasma is an extremely hot and dense state of matter in which the elementary constituents – quarks and gluons – are not confined inside composite particles called hadrons, as they are in t...
复旦大学参与的ALICE实验组首次直接观察到强相互作用的死角效应
ALICE实验组 强相互作用 死角效应
2022/6/30
近日，位于欧洲核子中心（CERN）的大型强子对撞机（LHC）上的ALICE实验组在13 TeV的质子-质子碰撞中首次观测到了强相互作用的一种基本特性——“死角效应(Dead cone effect)”，论文发表在《Nature》上（https://doi.org/10.1038/s41586-022-04572-w）。5月31日，LHC召开了专题报告会介绍这一研究：https://indico.c...
ALICE makes first direct observation of a fundamental effect in particle physics（图）
ALICE particle physics fundamental effect charm quark
2022/6/27
The ALICE collaboration at the Large Hadron Collider (LHC) has made the first direct observation of the dead-cone effect – a fundamental feature of the theory of the strong force that binds quarks and...
ALICE takes the next step in understanding the interaction between hadrons（图）
ALICE 强子 相互作用
2023/5/29
In an article recently published in Physical Review Letters, the ALICE collaboration has used a method known as femtoscopy to study the residual interaction between two-quark and three-quark particles...
ALICE 3 workshop: towards a next-generation heavy-ion experiment for the 2030s（图）
ALICE 3 研讨会 重离子实验
2023/5/29
On 18 and 19 October, ALICE held a workshop on ALICE 3, the next-generation heavy-ion experiment for Run 5 of the LHC and beyond. This new heavy-ion programme will address some of the physics question...
LS2 Report: An upgraded Inner Tracking System joins the ALICE detector（图）
ALICE 检测器 LS2 像素探测器
2023/5/30
After two nerve-wracking months dedicated to the installation of the ALICE detector’s new Inner Tracking System (ITS), Corrado Gargiulo’s mechanical engineering team, in charge of the installation, ca...
The LHC with its unprecedented energy offers unique opportunities for groundbreaking measurements in p+p, p+A and A+A collisions even beyond the baseline experimental designs. ALICE is setting up a pr...
Measurement of the nuclear modification factor of electrons from heavy-flavour decays at mid-rapidity in Pb-Pb collisions at $\sqrt{s_{\rm NN}}$ = 2.76 TeV with ALICE
nuclear modification electrons heavy-flavour decays Pb-Pb collisions
2011/7/21
We present results on inclusive electrons for 1.5 $ < p_{\rm T} < $ 6 GeV/$c$ in {Pb-Pb} collisions at $\sqrt{s_{\rm NN}}$ = 2.76 TeV measured with ALICE at the LHC and compare these to a cocktail of ...
Anisotropic flow of charged particles at $\mathbf{\sqrt{s_{NN}} = 2.76}$ TeV measured with the ALICE detector
Anisotropic flow ALICE detector sqrt
2011/7/21
Measurements of anisotropic flow in heavy-ion collisions provide evidence for the creation of strongly interacting matter which appears to behave as an almost ideal fluid. Anisotropic flow signals the...
Untriggered di-hadron correlations in Pb-Pb collisions at $\sqrt{s_{NN}} =$ 2.76 TeV from ALICE
Pb-Pb collisions Untriggered di-hadron correlations ALICE
2011/7/20
We present measurements of untriggered di-hadron correlations as a function of centrality in Pb-Pb \sNN collisions, for charged hadrons with $p_{T} > 0.15$ GeV$/c$. These measurements provide a map of...
Production of Neutral Pions and Eta-mesons in pp Collisions Measured with ALICE
Neutral Pions Eta-mesons pp Collisions ALICE
2011/7/21
Invariant cross sections for neutral pions and eta mesons in pp collisions at sqrt(s) = 0.9, 2.76, and 7 TeV were measured by the ALICE detector at the Large Hadron Collider. Next-to-leading order (NL...
ALICE results from the first Pb-Pb run at the CERN LHC
ALICE results first Pb-Pb run CERN LHC
2011/7/21
After 20 years of preparation, the dedicated heavy ion experiment ALICE took first data at the CERN LHC accelerator with proton collisions at the end of 2009 and with lead beams at the end of 2010. Th...
Fast embedding of jets in heavy-ion collisions for background studies with ALICE
jets Fast embedding heavy-ion collisions ALICE
2011/7/21
Jet reconstruction in heavy-ion collisions is strongly affected by soft background from the underlying event. For an appropriate interpretation of the jet observables it is essential to understand the...
The ALICE detector recorded Pb-Pb collisions at sqrtsNN = 2.76 TeV at the LHC in November-December 2010. We present the results of the measurements that provide a first characterization of the hot and...
Heavy-flavour production in pp and Pb-Pb collisions at ALICE
Heavy-flavour production pp Pb-Pb collisions ALICE
2011/7/21
In this contribution, recent ALICE measurements of the production cross section of single electrons, single muons and open charmed mesons in proton-proton collisions at sqrt(s) = 7 TeV are reported. T...