云南高校图书馆联盟文献共享服务平台- QCD

QCD: 作品数：436被引量：158H指数：6; 导出分析报告; 相关领域：理学更多>>; 相关作者：周丽娟马维兴罗向前李家荣江俊勤更多>>; 相关机构：华中师范大学中国科学院中国科学院大学南京大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家教育部博士点基金中国博士后科学基金广西壮族自治区自然科学基金更多>>

利用机器学习研究隐粲五夸克态的性质: 《Science Bulletin》2023年第10期981-989,M0003,共10页张振宇刘家豪胡继峰王倩 Ulf-G.Meißner; partly supported by the National Natural Science Foundation of China(NSFC,12035007);Guangdong Provincial funding(2019QN01X172);Guangdong Major Project of Basic and Applied Basic Research(2020B0301030008);supported by the NSFC(12070131001);the Deutsche Forschungsgemeinschaft(DFG,German Research Foundation,Project-ID 196253076-TRR110)through the funds provided to the Sino-German Collaborative Research Center TRR110"Symmetries and the Emergence of Structure in QCD";supported by the Chinese Academy of Sciences(CAS)President’s International Fellowship Initiative(PIFI)(2018DM0034);Volkswagen Stiftung(93562)。; 机器学习已经在生物、医学、生产等多个领域广泛应用并展现了其优势.最近,机器学习在物理领域也开始逐渐兴起并展现出其独特的优点.该文旨在探索机器学习在强子物理中的应用潜力.作者以隐粲五夸克态Pc(4312)、Pc(4440)和Pc(4457)为例,...; 关键词：Exotic hadrons Machine learning QCD mass spectrum Hidden charm pentaquarks

Measurement of the lifetimes of promptly produced Ω_(c)^(0) and Ξ_(c)^(0) baryons被引量：2: 《Science Bulletin》2022年第5期479-487,M0003,共10页LHCb Collaboration; A measurement of the lifetimes of theΩ_(c)^(0)andΞ_(c)^(0)baryons is reported using proton-proton collision data at a centre-of-mass energy of 13 TeV,corresponding to an integrated luminosity of 5.4 fb;collected by ...; 关键词：Charmed baryon Flavour physics QCD Lifetime Charm physics LHCB

Evidence of a J/ψΛstructure and observation of excited■^(-)states in the■b^(-)→J/ψΛK^(-) decay被引量：4: 《Science Bulletin》2021年第13期1278-1287,M0003,共11页R.Aaij C.Abellán Beteta T.Ackernley B.Adeva M.Adinolfi H.Afsharnia C.A.Aidala S.Aiola Z.Ajaltouni S.Akar J.Albrecht F.Alessio M.Alexander A.Alfonso Albero Z.Aliouche G.Alkhazov P.Alvarez Cartelle S.Amato Y.Amhis L.An L.Anderlini A.Andreianov M.Andreotti F.Archilli A.Artamonov M.Artuso K.Arzymatov E.Aslanides M.Atzeni B.Audurier S.Bachmann M.Bachmayer J.J.Back S.Baker P.Baladron Rodriguez V.Balagura W.Baldini J.Baptista Leite R.J.Barlow S.Barsuk W.Barter M.Bartolini F.Baryshnikov J.M.Basels G.Bassi B.Batsukh A.Battig A.Bay M.Becker F.Bedeschi I.Bediaga A.Beiter V.Belavin S.Belin V.Bellee K.Belous I.Belov I.Belyaev G.Bencivenni E.Ben-Haim A.Berezhnoy R.Bernet D.Berninghoff H.C.Bernstein C.Bertella E.Bertholet A.Bertolin C.Betancourt F.Betti Ia.Bezshyiko S.Bhasin J.Bhom L.Bian M.S.Bieker S.Bifani P.Billoir M.Birch F.C.R.Bishop A.Bizzeti M.Bj┆rn M.P.Blago T.Blake F.Blanc S.Blusk D.Bobulska J.A.Boelhauve O.Boente Garcia T.Boettcher A.Boldyrev A.Bondar N.Bondar S.Borghi M.Borisyak M.Borsato J.T.Borsuk S.A.Bouchiba T.J.V.Bowcock A.Boyer C.Bozzi M.J.Bradley S.Braun A.Brea Rodriguez M.Brodski J.Brodzicka A.Brossa Gonzalo D.Brundu A.Buonaura C.Burr A.Bursche A.Butkevich J.S.Butter J.Buytaert W.Byczynski S.Cadeddu H.Cai R.Calabrese L.Calefice L.Calero Diaz S.Cali R.Calladine M.Calvi M.Calvo Gomez P.Camargo Magalhaes A.Camboni P.Campana A.F.Campoverde Quezada S.Capelli L.Capriotti A.Carbone G.Carboni R.Cardinale A.Cardini I.Carli P.Carniti L.Carus K.Carvalho Akiba A.Casais Vidal G.C; First evidence of a structure in the J/ψΛinvariant mass distribution is obtained from an amplitude analysis of■b^(-)J/ψΛK^(-)decays.The observed structure is consistent with being due to a charmonium pentaquark w...; 关键词：QCD EXOTICS PENTAQUARK Spectroscopy Quarkonium Particle and resonance production

Observation of structure in the J/ψ-pair mass spectrum被引量：5: 《Science Bulletin》2020年第23期1983-1993,M0004,共12页大型强子对撞机底夸克实验(LHCb)合作组; support from CERN;from the national agencies: CAPES, CNPq, FAPERJ and FINEP (Brazil);MOST and NSFC (China);CNRS/IN2P3 (France);BMBF, DFG and MPG (Germany);INFN (Italy);NWO (Netherlands);MNiSW and NCN (Poland);MEN/IFA (Romania);MSHE (Russia);MinECo (Spain);SNSF and SER (Switzerland);NASU (Ukraine);STFC (United Kingdom);DOE NP and NSF (USA);AvH Foundation (Germany);EPLANET, Marie Sklodowska-Curie Actions and ERC (European Union);A^(*)MIDEX, ANR, Labex P2IO and OCEVU, and Region Auvergne-Rhone-Alpes (France);Key Research Program of Frontier Sciences of CAS, CAS PIFI;the Thousand Talents Program (China);RFBR, RSF and Yandex LLC (Russia);GVA, XuntaGal and GENCAT (Spain);the Royal Society and the Leverhulme Trust (United Kingdom)。; Using proton-proton collision data at centre-of-mass energies of and 13 TeV recorded by the LHCb experiment at the Large Hadron Collider,corresponding to an integrated luminosity of 9 fb-1,the invariant mass spectrum ...; 关键词：QCD EXOTICS TETRAQUARK Spectroscopy QUARKONIUM Particle and resonance production

Observation of pentaquark states and prospectives of further studies: 《Science Bulletin》2015年第17期1549-1550,共2页Cheng-Ping Shen Chang-Zheng Yuan; The quark model based on quark–antiquark mesons and three-quark baryons has been very successful in classifying the hadrons.However,quantum chromodynamics(QCD)does not forbid the existence of exotic hadronic states w...; 关键词：五夸克态夸克胶子结构量子色动力学强子态夸克模型反夸克 QCD 杂交种

Form factors for B meson weak decays in QCD light cone sum rules with a chiral current correlator被引量：1: 《Chinese Science Bulletin》2014年第29期3771-3786,共16页Zuo-Hong Li; supported by the National Natural Science Foundation of China (11235005); We report some applications of QCD light cone sum rules(LCSR)to B meson weak decays.Special emphasis is on estimates of the form factors for B decays into a pseudoscalar(P)/vector(V)meson,with a certain chiral current...; 关键词：B介子衰变求和规则 QCD 外形电流手性光锥矩阵元素

Parton energy loss in hot and dense QCD medium: 《Chinese Science Bulletin》2006年第2期139-142,共4页LIU Jie MAO Yaxian XIANG Wenchang ZHOU Daicui; We thank Prof.Zakharov,Dr.Zhang B.W and Ding H.T for their helpful discussions.This work was supported by the National Natural Science Foundation of China(Grant No.A10575044);China Ministry of Education.; Induced gluon radiation and energy loss of heavy quark in hot and dense QCD media are discussed. Using the light-cone path integral ap- proach, an analytical formula of the energy loss of heavy quark is derived. The r...; 关键词：高能物理学重离子碰撞锥形路线积分法重夸克能量损失

Relationship between constituent quark model and QCD ——Basic properties of the constituent quark: 《Chinese Science Bulletin》1996年第19期1602-1605,共4页何汉新; Project supported by the National Natural Science Foundation of China;the Nuclear Science Foundation of China.; Experimental evidence shows that the fundamental objects in the quantum chromodynamics (QCD) are the current quarks which are manifest in the high energy process. On the other hand, the constituent quarks as effective...; 关键词：QCD CONSTITUENT QUARK chiral symmetry BREAKING form factor ANOMALOUS magnetic moment.

Relationship between constituent quark model and QCD —— Relationship between fundamental parameters: 《Chinese Science Bulletin》1996年第18期1516-1520,共5页何汉新; Project supported partly by the National Natural Science Foundation of China;the Nuclear Science Foundation of China.; Quantum chromodynamics (QCD) is believed to be the basic theory of strong interaction. Experimental evidence shows that the fundamental parameters of the QCD Lagrangian, i.e. the quark masses and the strong coupling c...; 关键词：QCD CONSTITUENT QUARK model QUARK mass coupling constant.

HADRONIC MOMENTUM-MULTIPLICITY CORRELATION IN QUANTUM FIELD THEORY AT SHORT DISTANCE被引量：2: 《Chinese Science Bulletin》1990年第22期1862-1868,共7页赵树松 W.KITTEL; In recent years the experiments of CERN-UA5 and NA22 Collaboration find that rapidity η-multiplicity N correlation is a visual scaling (s^1/2=22—900 G-eV) and η_cut^-N correlations are...; 关键词：NA22-data UA5-data experimental value of ANOMALOUS dimensionality(QCD): γ_B(g_R)=-1/16 COUNTERPART quantum fields.

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