Nuclear and Particle Physics Proceedings最新文献

{"title":"Erratum to Application of powder XRD to compute crystallite shape of cotton fibers from different countries [Nuclear and Particle Physics Proceedings (2023) 41-44/15434]","authors":"Manju V V , Sofia Ranjini S , Raghavendra Vadhiyar , Somashekar R","doi":"10.1016/j.nuclphysbps.2024.04.003","DOIUrl":"10.1016/j.nuclphysbps.2024.04.003","url":null,"abstract":"","PeriodicalId":37968,"journal":{"name":"Nuclear and Particle Physics Proceedings","volume":"344 ","pages":"Page 40"},"PeriodicalIF":0.0,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2405601424000610/pdfft?md5=af89960c9c65a191845b96085b355404&pid=1-s2.0-S2405601424000610-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141043111","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"MuGrid: A scintillator detector towards cosmic muon absorption imaging","authors":"Tao Yu ,&nbsp;Hang Yang","doi":"10.1016/j.nuclphysbps.2024.03.001","DOIUrl":"10.1016/j.nuclphysbps.2024.03.001","url":null,"abstract":"<div><p>Muography has a wide range of applications, especially in the cross-disciplinary area as it is a powerful tool to probe the internal composition of objects in a non-destructive way. We designed a cosmic muon tracking detector MuGrid using plastic scintillators. In this work, we present the preliminary progress of the MuGrid detector and its demonstrator, including the data acquisition system and Monte Carlo modeling of MuGrid. A case study is conducted in a tunnel as a validation of the whole system.</p></div>","PeriodicalId":37968,"journal":{"name":"Nuclear and Particle Physics Proceedings","volume":"344 ","pages":"Pages 27-30"},"PeriodicalIF":0.0,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140402835","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}

{"title":"Progress of muonium-to-antimuonium conversion experiment","authors":"Shihan Zhao ,&nbsp;Jian Tang","doi":"10.1016/j.nuclphysbps.2024.05.005","DOIUrl":"10.1016/j.nuclphysbps.2024.05.005","url":null,"abstract":"<div><p>The muonium-to-antimuonium conversion is one of the most interesting charged lepton flavor violating processes forbidden in the Standard Model while new physics beyond the Standard Model might allow its existence and offer signals for the next-generation high intensity muon experiments. The proposed Muonium-to-Antimuonium Conversion Experiment (MACE) aims at searching for this process with a sensitivity to be improved by more than two orders of magnitude compared to the latest experimental limit. In this presentation, we summarize the recent progress of MACE.</p></div>","PeriodicalId":37968,"journal":{"name":"Nuclear and Particle Physics Proceedings","volume":"345 ","pages":"Pages 24-28"},"PeriodicalIF":0.0,"publicationDate":"2024-05-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141731975","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}

{"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":"2024-05-24","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}

{"title":"Deep learning based tracking reconstruction and magnetic field measurement research in the muon g-2 experiment","authors":"","doi":"10.1016/j.nuclphysbps.2024.05.001","DOIUrl":"10.1016/j.nuclphysbps.2024.05.001","url":null,"abstract":"<div><p>The Run1 result of the Fermilab muon g-2 experiment have shown a 4.2 standard deviation between the experimental measurement and theoretical prediction of <span><math><msub><mrow><mi>a</mi></mrow><mrow><mi>μ</mi></mrow></msub></math></span>, strongly indicating a new physics signal. The Fermilab experiment already accumulated 21 times more data compared to the BNL experiment. The J-PARC muon g-2 experiment will collect 3.5 times the statistics compared to Fermilab. With the increases in the collected data volume, and limited by the speed and accuracy, the existing tracking reconstruction and magnetic field measurement method may not fully satisfy the requirement of the experiment. The breakthrough of the deep learning inspires new analysis method in the muon g-2 experiment. In this proceeding, we will present some preliminary research on the tracking reconstruction based on Recurrent Neural Network (RNN), Graph Neural Network (GNN) and the magnetic field measurement based on Physics Informed Neural Network (PINN). The preliminary results show that the deep learning method has enormous potential in these topics.</p></div>","PeriodicalId":37968,"journal":{"name":"Nuclear and Particle Physics Proceedings","volume":"345 ","pages":"Pages 18-21"},"PeriodicalIF":0.0,"publicationDate":"2024-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141131632","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}

{"title":"Evaluating the influence of unpaired nucleon on alpha clusterization in heavy Nuclei with N at 126","authors":"","doi":"10.1016/j.nuclphysbps.2024.05.013","DOIUrl":"10.1016/j.nuclphysbps.2024.05.013","url":null,"abstract":"<div><p>The determination of preformation factor was successively done for 343 nuclei: ²¹²Po, 105 even-even, 85 odd-even, 78 even-odd and 75 odd-odd nuclei using the representation of clusterization states (RCS) and cluster-formation model (CFM) (Saleh Ahmed, 2017). As CFM well described the alpha clustering of the ground states of the nuclei, it was considered as bases of describing the effect of the last unpaired nucleon. The typical nucleus ²¹²Po and the nuclei ²¹³Po, ²¹³At and ²¹⁴At, or Po <em>isoalpha group</em>, which have the same alpha cluster were chosen to evaluate the hindrance of alpha clustering by their last unpaired nucleons. The hindrance was expressed in an initiated factor, named “<em>alpha clustering hindrance factor</em>”. The results agreed with others that have preformation factor using different methods and used to reproduce more accurate alpha decay half lives using Viola-Seaborg semiempirical formula for odd-even Po isotopes The alpha-formation hindrance factor showed an interesting behaviour that plays an important role in the provision of more information about the nuclear structure.</p></div>","PeriodicalId":37968,"journal":{"name":"Nuclear and Particle Physics Proceedings","volume":"345 ","pages":"Pages 35-42"},"PeriodicalIF":0.0,"publicationDate":"2024-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141143413","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}

{"title":"Acknowledgement and future of the QCD conference by the chairman of QCD 23","authors":"Stephan Narison","doi":"10.1016/j.nuclphysbps.2023.11.022","DOIUrl":"10.1016/j.nuclphysbps.2023.11.022","url":null,"abstract":"","PeriodicalId":37968,"journal":{"name":"Nuclear and Particle Physics Proceedings","volume":"343 ","pages":"Page 141"},"PeriodicalIF":0.0,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139303081","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}

{"title":"Renormalon structure in Bjorken sum rule","authors":"César Ayala ,&nbsp;Camilo Castro-Arriaza ,&nbsp;Gorazd Cvetič","doi":"10.1016/j.nuclphysbps.2023.11.007","DOIUrl":"10.1016/j.nuclphysbps.2023.11.007","url":null,"abstract":"<div><p>Leading-twist Bjorken polarised sum rule (BSR) <span><math><msubsup><mrow><mover><mrow><mi>Γ</mi></mrow><mo>‾</mo></mover></mrow><mrow><mn>1</mn></mrow><mrow><mi>p</mi><mo>−</mo><mi>n</mi></mrow></msubsup><mo>(</mo><msup><mrow><mi>Q</mi></mrow><mrow><mn>2</mn></mrow></msup><mo>)</mo></math></span> is evaluated using its known renormalon structure. In addition, we add OPE terms with the dimension <span><math><mi>D</mi><mo>=</mo><mn>2</mn><mo>,</mo><mn>4</mn></math></span>, and fit this to experimental data for inelastic BSR in specific intervals of momenta, <span><math><msup><mrow><mi>Q</mi></mrow><mrow><mn>2</mn></mrow></msup><mo>≥</mo><msubsup><mrow><mi>Q</mi></mrow><mrow><mi>min</mi></mrow><mrow><mn>2</mn></mrow></msubsup></math></span>, where <span><math><msubsup><mrow><mi>Q</mi></mrow><mrow><mi>min</mi></mrow><mrow><mn>2</mn></mrow></msubsup><mo>≈</mo><mo>(</mo><mn>1.7</mn><mo>±</mo><mn>0.3</mn><mo>)</mo><mspace></mspace><msup><mrow><mi>GeV</mi></mrow><mrow><mn>2</mn></mrow></msup></math></span>. Reasonable values of the pQCD coupling can be extracted only for specific choices of <span><math><msubsup><mrow><mi>Q</mi></mrow><mrow><mi>min</mi></mrow><mrow><mn>2</mn></mrow></msubsup></math></span>, but have in general, for other choices of <span><math><msubsup><mrow><mi>Q</mi></mrow><mrow><mi>min</mi></mrow><mrow><mn>2</mn></mrow></msubsup></math></span>, very large uncertainties and thus cannot be extracted in practice. On the other hand, if we fix the pQCD coupling to the known world average values, the <span><math><mi>D</mi><mo>=</mo><mn>2</mn></math></span> and <span><math><mi>D</mi><mo>=</mo><mn>4</mn></math></span> OPE terms can be determined within reasonable uncertainties dominated by the experimental uncertainties of the data.</p></div>","PeriodicalId":37968,"journal":{"name":"Nuclear and Particle Physics Proceedings","volume":"343 ","pages":"Pages 94-98"},"PeriodicalIF":0.0,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135564419","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}

{"title":"Committee Members and Local Oganization","authors":"","doi":"10.1016/S2405-6014(24)00015-4","DOIUrl":"https://doi.org/10.1016/S2405-6014(24)00015-4","url":null,"abstract":"","PeriodicalId":37968,"journal":{"name":"Nuclear and Particle Physics Proceedings","volume":"343 ","pages":"Page ii"},"PeriodicalIF":0.0,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140639268","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}

{"title":"A beyond-the-Standard-Model model without Higgs","authors":"G.C. Rossi","doi":"10.1016/j.nuclphysbps.2023.09.013","DOIUrl":"10.1016/j.nuclphysbps.2023.09.013","url":null,"abstract":"<div><p>In this talk we describe the construction of a putative beyond-the-Standard-Model model where, as a viable alternative to the Higgs scenario, elementary particle masses emerge in a non-perturbative way as a consequence of a sort of “interference” between residual UV chiral breaking effects left behind in the Nambu–Goldstone phase of the theory at a critical value of the Yukawa coupling where chiral symmetry is recovered, and IR features triggered by the phenomenon of spontaneous breaking of (the recovered) chiral symmetry which standardly takes place in a strongly interacting theory. Elementary particle masses are all proportional to the RGI scale of the theory. Thus to get the top quark and the electro-weak boson masses at the desired value one must have <span><math><msub><mrow><mi>Λ</mi></mrow><mrow><mi>R</mi><mi>G</mi><mi>I</mi></mrow></msub><mo>≫</mo><msub><mrow><mi>Λ</mi></mrow><mrow><mi>Q</mi><mi>C</mi><mi>D</mi></mrow></msub></math></span>. This in turn implies that there must exist a new superstrongly interacting sector of fermions (we call them Tera-fermions) gauge invariantly coupled to Standard Model matter with <span><math><msub><mrow><mi>Λ</mi></mrow><mrow><mi>R</mi><mi>G</mi><mi>I</mi></mrow></msub><mo>≡</mo><msub><mrow><mi>Λ</mi></mrow><mrow><mi>T</mi></mrow></msub></math></span> of the order of a few TeVs. We give the expression of the full Lagrangian of a model encompassing quarks, Tera-quarks and <em>W</em>, as well as leptons, Tera-leptons and <em>B</em> gauge bosons when besides strong, Tera-strong and weak interactions, also hypercharge is included. The interest of considering elementary particle physics models with this kind of non-perturbative mass generation mechanism is twofold. First of all, unlike the Standard Model in this scenario elementary particle masses are not free parameters but are determined by the dynamics of the theory. Secondly, some of the conceptual problems of today's formulation of the Standard Model, namely origin of the electroweak scale and naturalness, find a possible solution.</p></div>","PeriodicalId":37968,"journal":{"name":"Nuclear and Particle Physics Proceedings","volume":"343 ","pages":"Pages 135-140"},"PeriodicalIF":0.0,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2405601423002134/pdfft?md5=c4963f1d5f2204ea300e7950dc34b7a7&pid=1-s2.0-S2405601423002134-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135606534","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}