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Recent results on hadron spectroscopy at LHCb 大型强子对撞机b的强子光谱学最新成果
Nuclear and Particle Physics Proceedings Pub Date : 2024-12-01 Epub Date: 2024-11-12 DOI: 10.1016/j.nuclphysbps.2024.11.001
Liming Zhang
{"title":"Recent results on hadron spectroscopy at LHCb","authors":"Liming Zhang","doi":"10.1016/j.nuclphysbps.2024.11.001","DOIUrl":"10.1016/j.nuclphysbps.2024.11.001","url":null,"abstract":"<div><div>The most recent LHCb results related to heavy hadron spectroscopy, encompassing both conventional and exotic states, have been reported. These results include the first observation the radiative decay <span><math><msub><mrow><mi>χ</mi></mrow><mrow><mi>c</mi><mn>1</mn></mrow></msub><mo>(</mo><mn>3872</mn><mo>)</mo><mo>→</mo><mi>ψ</mi><mo>(</mo><mn>2</mn><mi>S</mi><mo>)</mo><mi>γ</mi></math></span>, the observation of <span><math><mi>J</mi><mo>/</mo><mi>ψ</mi><mi>ϕ</mi></math></span> resonances in a new production environment, observation of new charmonium(-like) states in <span><math><msup><mrow><mi>D</mi></mrow><mrow><mo>⁎</mo><mo>±</mo></mrow></msup><msup><mrow><mi>D</mi></mrow><mrow><mo>∓</mo></mrow></msup></math></span> systems, and several pentaquark-related searches.</div></div>","PeriodicalId":37968,"journal":{"name":"Nuclear and Particle Physics Proceedings","volume":"347 ","pages":"Pages 90-93"},"PeriodicalIF":0.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142658790","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
π-π scattering lengths: Electric corrections in the linear sigma model π-π散射长度：线性西格玛模型中的电校正
Nuclear and Particle Physics Proceedings Pub Date : 2024-12-01 Epub Date: 2024-10-28 DOI: 10.1016/j.nuclphysbps.2024.10.005
M. Loewe , R. Cádiz , R. Zamora
{"title":"π-π scattering lengths: Electric corrections in the linear sigma model","authors":"M. Loewe ,&nbsp;R. Cádiz ,&nbsp;R. Zamora","doi":"10.1016/j.nuclphysbps.2024.10.005","DOIUrl":"10.1016/j.nuclphysbps.2024.10.005","url":null,"abstract":"<div><div>In the frame of the linear sigma model and working in the weak field approximation, we discuss the role played by an external electric field on the behavior of <em>π</em>-<em>π</em> scattering lengths. For this purpose, we have considered all relevant one-loop diagrams in the <em>s</em>, <em>t</em>, and <em>u</em> channels where we have Schwinger propagators for charged pions. An important novelty of our analysis, compared with previous existing discussions in the literature, is the explicit calculation of box diagrams which were previously not considered in discussions regarding magnetic corrections to <em>π</em>-<em>π</em> scattering lengths. Our analysis shows that electric field corrections have an opposite effect with respect to the previously calculated magnetic corrections.</div></div>","PeriodicalId":37968,"journal":{"name":"Nuclear and Particle Physics Proceedings","volume":"347 ","pages":"Pages 82-85"},"PeriodicalIF":0.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142554624","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Observation and measurement of the cross-sections of the electroweak and total production of a Zγ pair in association with two jets in pp collisions at s = 13 TeV with the ATLAS detector 用 ATLAS 探测器观测和测量 s = 13 TeV 的 pp 对撞中 Zγ 对与两个喷流的电弱和总生成的截面
Nuclear and Particle Physics Proceedings Pub Date : 2024-10-01 Epub Date: 2024-07-31 DOI: 10.1016/j.nuclphysbps.2024.07.021
Qibin Liu, ATLAS collaboration
{"title":"Observation and measurement of the cross-sections of the electroweak and total production of a Zγ pair in association with two jets in pp collisions at s = 13 TeV with the ATLAS detector","authors":"Qibin Liu,&nbsp;ATLAS collaboration","doi":"10.1016/j.nuclphysbps.2024.07.021","DOIUrl":"10.1016/j.nuclphysbps.2024.07.021","url":null,"abstract":"","PeriodicalId":37968,"journal":{"name":"Nuclear and Particle Physics Proceedings","volume":"346 ","pages":"Page 37"},"PeriodicalIF":0.0,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141959710","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Testing complex singlet scalar cosmology and electroweak phase transition at the large hadron collider 在大型强子对撞机上测试复杂单子标量宇宙学和电弱相变
Nuclear and Particle Physics Proceedings Pub Date : 2024-10-01 Epub Date: 2024-07-13 DOI: 10.1016/j.nuclphysbps.2024.06.003
Wenxing Zhang
{"title":"Testing complex singlet scalar cosmology and electroweak phase transition at the large hadron collider","authors":"Wenxing Zhang","doi":"10.1016/j.nuclphysbps.2024.06.003","DOIUrl":"https://doi.org/10.1016/j.nuclphysbps.2024.06.003","url":null,"abstract":"","PeriodicalId":37968,"journal":{"name":"Nuclear and Particle Physics Proceedings","volume":"346 ","pages":"Page 3"},"PeriodicalIF":0.0,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141607785","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Recent highlights of collective flow studies at LHC-ALICE LHC-ALICE 集体流研究的最新亮点
Nuclear and Particle Physics Proceedings Pub Date : 2024-10-01 Epub Date: 2024-07-26 DOI: 10.1016/j.nuclphysbps.2024.07.015
Qiye Shou
{"title":"Recent highlights of collective flow studies at LHC-ALICE","authors":"Qiye Shou","doi":"10.1016/j.nuclphysbps.2024.07.015","DOIUrl":"10.1016/j.nuclphysbps.2024.07.015","url":null,"abstract":"","PeriodicalId":37968,"journal":{"name":"Nuclear and Particle Physics Proceedings","volume":"346 ","pages":"Page 29"},"PeriodicalIF":0.0,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141960555","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Performance and calibration of quark/gluon jet taggers using 140 fb−1 pp collisions at s = 13 TeV with the ATLAS detector 利用 ATLAS 探测器在 s = 13 TeV 的 140 fb-1 pp 对撞中对夸克/胶子射流标记器进行性能和校准
Nuclear and Particle Physics Proceedings Pub Date : 2024-10-01 Epub Date: 2024-07-24 DOI: 10.1016/j.nuclphysbps.2024.07.006
Wanyun Su, the ATLAS collaboration
{"title":"Performance and calibration of quark/gluon jet taggers using 140 fb−1 pp collisions at s = 13 TeV with the ATLAS detector","authors":"Wanyun Su,&nbsp;the ATLAS collaboration","doi":"10.1016/j.nuclphysbps.2024.07.006","DOIUrl":"10.1016/j.nuclphysbps.2024.07.006","url":null,"abstract":"","PeriodicalId":37968,"journal":{"name":"Nuclear and Particle Physics Proceedings","volume":"346 ","pages":"Page 16"},"PeriodicalIF":0.0,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141950961","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Combination and summary of ATLAS dark matter searches interpreted in 2HDM+a 2HDM+a 中解释的 ATLAS 暗物质搜索的组合与总结
Nuclear and Particle Physics Proceedings Pub Date : 2024-10-01 Epub Date: 2024-07-23 DOI: 10.1016/j.nuclphysbps.2024.07.012
Ngoc Khanh Vu
{"title":"Combination and summary of ATLAS dark matter searches interpreted in 2HDM+a","authors":"Ngoc Khanh Vu","doi":"10.1016/j.nuclphysbps.2024.07.012","DOIUrl":"10.1016/j.nuclphysbps.2024.07.012","url":null,"abstract":"","PeriodicalId":37968,"journal":{"name":"Nuclear and Particle Physics Proceedings","volume":"346 ","pages":"Page 17"},"PeriodicalIF":0.0,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141960276","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
B → Dℓνℓ form factors beyond leading power and extraction of |Vcb| and R(D) B→Dℓνℓ的形式因子超出了|Vcb|和R(D)的领先功率和提取范围
Nuclear and Particle Physics Proceedings Pub Date : 2024-10-01 Epub Date: 2024-09-05 DOI: 10.1016/j.nuclphysbps.2024.08.005
Yan-Bing Wei
{"title":"B → Dℓνℓ form factors beyond leading power and extraction of |Vcb| and R(D)","authors":"Yan-Bing Wei","doi":"10.1016/j.nuclphysbps.2024.08.005","DOIUrl":"10.1016/j.nuclphysbps.2024.08.005","url":null,"abstract":"","PeriodicalId":37968,"journal":{"name":"Nuclear and Particle Physics Proceedings","volume":"346 ","pages":"Page 54"},"PeriodicalIF":0.0,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142148123","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Build a unified framework for SU(N) confinement phase transition and thermodynamics with quasigluon 用准胶子构建 SU(N) 约束相变和热力学的统一框架
Nuclear and Particle Physics Proceedings Pub Date : 2024-10-01 Epub Date: 2024-09-06 DOI: 10.1016/j.nuclphysbps.2024.08.009
Jiang Zhu, Jun Guo, Zhaofeng Kang
{"title":"Build a unified framework for SU(N) confinement phase transition and thermodynamics with quasigluon","authors":"Jiang Zhu,&nbsp;Jun Guo,&nbsp;Zhaofeng Kang","doi":"10.1016/j.nuclphysbps.2024.08.009","DOIUrl":"10.1016/j.nuclphysbps.2024.08.009","url":null,"abstract":"","PeriodicalId":37968,"journal":{"name":"Nuclear and Particle Physics Proceedings","volume":"346 ","pages":"Page 56"},"PeriodicalIF":0.0,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142148125","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Research and development of a muon entrance trigger for the muEDM experiment at PSI 为 PSI 的 muEDM 实验研发μ介子入口触发器
Nuclear and Particle Physics Proceedings Pub Date : 2024-10-01 Epub Date: 2024-05-24 DOI: 10.1016/j.nuclphysbps.2024.05.014
{"title":"Research and development of a muon entrance trigger for the muEDM experiment at PSI","authors":"","doi":"10.1016/j.nuclphysbps.2024.05.014","DOIUrl":"10.1016/j.nuclphysbps.2024.05.014","url":null,"abstract":"<div><div><span><span>The muEDM experiment at the Paul Scherrer Institute (PSI) in Switzerland aims to probe the muon </span>electric dipole moment (EDM) using the frozen-spin technique in a compact storage ring, with a sensitivity of </span><span><math><mn>6</mn><mo>×</mo><msup><mrow><mn>10</mn></mrow><mrow><mo>−</mo><mn>23</mn></mrow></msup></math></span><span> e⋅cm. A fast entrance detector is expected to work in concert with a magnetic pulse generator<span><span> to direct muons into the desired orbit. Simultaneously, the entrance detector is designed to veto muons that exceed the apparatus's admittance without introducing significant multiple scatterings. We developed a prototype entrance trigger detector consisting of a thin scintillator for detecting incoming muons and four wall </span>scintillators as veto detectors. The prototype was tested at 27.5 MeV/c at the </span></span><em>π</em><span>E1 beamline at PSI. A total of </span><span><math><mn>7</mn><mo>×</mo><msup><mrow><mn>10</mn></mrow><mrow><mn>5</mn></mrow></msup></math></span><span><span> events were collected, which were read out by SiPMs coupled to the plastic scintillators under two different beam tunes. These events were analyzed to characterize the detector's performance, which was also cross-checked with </span>Monte Carlo simulations that took into account the beam phase space and scintillation processes.</span></div></div>","PeriodicalId":37968,"journal":{"name":"Nuclear and Particle Physics Proceedings","volume":"346 ","pages":"Pages 58-62"},"PeriodicalIF":0.0,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141145155","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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