2018年粒子物理学热点回眸
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摘要
粒子物理是研究物质的基本组成和相互作用的前沿学科。从希格斯物理、新物理寻找、中微子物理、暗物质寻找、新强子态和强作用力机制研究、以及未来对撞机研究等方面回顾了2018年粒子物理学取得的重大进展及突破。
Particle physics is a branch of physics that studies the fundamental constitutes of matter and their interactions.This article reviews the major progress and breakthroughs of particle physics in 2018,including Higgs physics,searches for new physics,neutrino physics,searches for dark matter,studies of new quark states and strong interaction,and the developments of future colliders.
Particle physics is a branch of physics that studies the fundamental constitutes of matter and their interactions.This article reviews the major progress and breakthroughs of particle physics in 2018,including Higgs physics,searches for new physics,neutrino physics,searches for dark matter,studies of new quark states and strong interaction,and the developments of future colliders.
引文
[1]ATLAS Collaboration.Observation of Higgs boson production in association with a top quark pair at the LHC with the AT-LAS detector[J].Physics Letters B,2018,doi:10.1016/j.physletb.2018.07.035.
[2]CMS Collaboration.Observation of tt H production[J].Physics Review Letters,2018,120(23):231801.
[3]CMS Collaboration.Combined measurements of Higgs boson couplings in proton-proton collisions at s=13 TeV,CMS-HIG-17-031,CERN-EP-2018-263[J/OL].(2018-12-17)[2019-01-12].https://arxiv.org/abs/1809.10733.
[4]The IceCube Collaboration,Fermi-LAT,MAGIC,et al.Multimessenger observations of a flaring blazar coincident with high-energy neutrino IceCube-170922A[J].Science,2018,361(6398):eaat1378.
[5]MiniBooNE Collaboration.Significant excess of electronlike events in the MiniBooNE short-baseline neutrino experiment[J].Physics Review Letters,2018,121(22),221801.
[6]XXVIII International Conference on Neutrino Physics and Astrophysics[EB/OL].(2018-06-09)[2019-01-12].https://www.mpi-hd.mpg.de/nu2018/.
[7]Daya Bay Collaboration.Measurement of electron antineutrino oscillation with 1958 days of operation at Daya Bay[J].Physical Review Letters,2018,121(24),241805.
[8]Gariazzo S,Giunti C,Li Y F,et al.Updated global 3+1 analysis of short-baseline neutrino oscillations[J].Journal of High Energy Physics,2017(6):1-38.
[9]PandaX Collaboration.Constraining dark matter models with a light mediator at the PandaX-II experiment[J].Physical Review Letters,2018,121(2):021304.
[10]XENON Collaboration.Dark matter search results from a one tonne-year exposure of XENON1T[J].Physical Review Letters,2018,121(11):111302.
[11]PandaX Collaboration.Dark matter direct search sensitivity of the PandaX-4T experiment[J].Science China Physics,Mechanics&Astronomy,2019,62(3):031011.
[12]DarkSide Collaboration.DarkSide-50 532-day dark matter search with low-radioactivity argon[J].Physical Review D,2018,98(10),102006.
[13]CDEX Collaboration.Limits on light weakly interacting massive particles from the first 102.8 kg-day data of the CDEX-10 experiment[J].Physical Review Letters,2018,doi:10.1103/PhysRevLett.120.241301.
[14]DarkSide Collaboration.Low-mass dark matter search with the DarkSide-50 experiment[J].Physical Review Letters,2018,121(8):081307.
[15]SuperCDMS Collaboration.Low-mass dark matter search with CDMSlite[J].Physical Review D,2018,97(2),022002.
[16]CRESS Collaboration.A prototype detector for the CRESST-III low-mass dark matter search[J].Nuclear Instruments&Methods in Physics Research,2018,845:414-417.
[17]SuperCDMS Collaboration.First dark matter constraints from a SuperCDMS single-charge sensitive detector[J].Physical Review Letters,2018,121(5):051301.
[18]SENSEI Collaboration.First direct-detection constraints on sub-GeV dark matter from a surface run[J].Physical Review Letters,2018,121(6):061803.
[19]ATLAS Collaboration.Search for dark matter and other new phenomena in events with an energetic jet and large missing transverse momentum using the ATLAS detector[J].Journal of High Energy Physics,2017,2018(1):126.
[20]CMS Collaboration.Search for dark matter in events with energetic,hadronically decaying top quarks with missing transverse momentum at s=13 TeV[J].Journal of High Energy Physics,2018(6):27.
[21]CMS Collaboration.Search for dark matter produced in association with a Higgs boson decaying to??orτ+τ-at s=13TeV[J].Journal of High Energy Physics,2018(9):046.
[22]ATLAS Collaboration.Search for dark matter in events with a hadronically decaying vector boson and missing transverse momentum in pp collisions at s=13 TeV with the ATLAS detector[J].Journal of High Energy Physics,2018(10):180.
[23]ATLAS Collaboration.Search for resonances in the mass distribution of jet pairs with one or two jets identified as b-jets in proton-proton collisions at s=13 TeV with the ATLASdetector[J].Physical Review D,2018,98(3):032016.
[24]LHCb Collaboration.Measurement of the lifetime of the doubly charmed baryonΞ++cc[J].Physical Review Letters,2018,121(5):052002.
[25]LHCb Collaboration.First observation of the doubly charmed baryon decayΞ++cc→Ξ+cπ+[J].Physical Review Letters,2018,121(16):162002.
[26]The CEPC Study Group.The CEPC conceptual Design Report,Vol II:Physics and Detector[J/OL].[2018-12-20].http://cepc.ihep.ac.cn/CEPC_CDR_Vol2_Physics-Detector.pdf.
[27]The CEPC Study Group.The CEPC conceptual fesign report,Vol I:Accelerator[J/OL].[2018-12-20].http://cepc.ihep.ac.cn/CEPC_CDR_Vol1_Accelerator.pdf.
[28]CERN accelerating science.The FCC conceptual design report[EB/OL].(2018-12-17)[2019-01-12].https://fcc-cdr.web.cern.ch/.
[2]CMS Collaboration.Observation of tt H production[J].Physics Review Letters,2018,120(23):231801.
[3]CMS Collaboration.Combined measurements of Higgs boson couplings in proton-proton collisions at s=13 TeV,CMS-HIG-17-031,CERN-EP-2018-263[J/OL].(2018-12-17)[2019-01-12].https://arxiv.org/abs/1809.10733.
[4]The IceCube Collaboration,Fermi-LAT,MAGIC,et al.Multimessenger observations of a flaring blazar coincident with high-energy neutrino IceCube-170922A[J].Science,2018,361(6398):eaat1378.
[5]MiniBooNE Collaboration.Significant excess of electronlike events in the MiniBooNE short-baseline neutrino experiment[J].Physics Review Letters,2018,121(22),221801.
[6]XXVIII International Conference on Neutrino Physics and Astrophysics[EB/OL].(2018-06-09)[2019-01-12].https://www.mpi-hd.mpg.de/nu2018/.
[7]Daya Bay Collaboration.Measurement of electron antineutrino oscillation with 1958 days of operation at Daya Bay[J].Physical Review Letters,2018,121(24),241805.
[8]Gariazzo S,Giunti C,Li Y F,et al.Updated global 3+1 analysis of short-baseline neutrino oscillations[J].Journal of High Energy Physics,2017(6):1-38.
[9]PandaX Collaboration.Constraining dark matter models with a light mediator at the PandaX-II experiment[J].Physical Review Letters,2018,121(2):021304.
[10]XENON Collaboration.Dark matter search results from a one tonne-year exposure of XENON1T[J].Physical Review Letters,2018,121(11):111302.
[11]PandaX Collaboration.Dark matter direct search sensitivity of the PandaX-4T experiment[J].Science China Physics,Mechanics&Astronomy,2019,62(3):031011.
[12]DarkSide Collaboration.DarkSide-50 532-day dark matter search with low-radioactivity argon[J].Physical Review D,2018,98(10),102006.
[13]CDEX Collaboration.Limits on light weakly interacting massive particles from the first 102.8 kg-day data of the CDEX-10 experiment[J].Physical Review Letters,2018,doi:10.1103/PhysRevLett.120.241301.
[14]DarkSide Collaboration.Low-mass dark matter search with the DarkSide-50 experiment[J].Physical Review Letters,2018,121(8):081307.
[15]SuperCDMS Collaboration.Low-mass dark matter search with CDMSlite[J].Physical Review D,2018,97(2),022002.
[16]CRESS Collaboration.A prototype detector for the CRESST-III low-mass dark matter search[J].Nuclear Instruments&Methods in Physics Research,2018,845:414-417.
[17]SuperCDMS Collaboration.First dark matter constraints from a SuperCDMS single-charge sensitive detector[J].Physical Review Letters,2018,121(5):051301.
[18]SENSEI Collaboration.First direct-detection constraints on sub-GeV dark matter from a surface run[J].Physical Review Letters,2018,121(6):061803.
[19]ATLAS Collaboration.Search for dark matter and other new phenomena in events with an energetic jet and large missing transverse momentum using the ATLAS detector[J].Journal of High Energy Physics,2017,2018(1):126.
[20]CMS Collaboration.Search for dark matter in events with energetic,hadronically decaying top quarks with missing transverse momentum at s=13 TeV[J].Journal of High Energy Physics,2018(6):27.
[21]CMS Collaboration.Search for dark matter produced in association with a Higgs boson decaying to??orτ+τ-at s=13TeV[J].Journal of High Energy Physics,2018(9):046.
[22]ATLAS Collaboration.Search for dark matter in events with a hadronically decaying vector boson and missing transverse momentum in pp collisions at s=13 TeV with the ATLAS detector[J].Journal of High Energy Physics,2018(10):180.
[23]ATLAS Collaboration.Search for resonances in the mass distribution of jet pairs with one or two jets identified as b-jets in proton-proton collisions at s=13 TeV with the ATLASdetector[J].Physical Review D,2018,98(3):032016.
[24]LHCb Collaboration.Measurement of the lifetime of the doubly charmed baryonΞ++cc[J].Physical Review Letters,2018,121(5):052002.
[25]LHCb Collaboration.First observation of the doubly charmed baryon decayΞ++cc→Ξ+cπ+[J].Physical Review Letters,2018,121(16):162002.
[26]The CEPC Study Group.The CEPC conceptual Design Report,Vol II:Physics and Detector[J/OL].[2018-12-20].http://cepc.ihep.ac.cn/CEPC_CDR_Vol2_Physics-Detector.pdf.
[27]The CEPC Study Group.The CEPC conceptual fesign report,Vol I:Accelerator[J/OL].[2018-12-20].http://cepc.ihep.ac.cn/CEPC_CDR_Vol1_Accelerator.pdf.
[28]CERN accelerating science.The FCC conceptual design report[EB/OL].(2018-12-17)[2019-01-12].https://fcc-cdr.web.cern.ch/.