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Proceedings of Corfu Summer Institute 2018 "School and Workshops on Elementary Particle Physics and Gravity" — PoS(CORFU2018)最新文献

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Directed flow and freeze-out in relativistic heavy-ion collisions at NICA and FAIR energies NICA和FAIR能量下相对论性重离子碰撞中的定向流动和冻结
Proceedings of Corfu Summer Institute 2018 "School and Workshops on Elementary Particle Physics and Gravity" — PoS(CORFU2018) Pub Date : 2019-09-19 DOI: 10.22323/1.347.0171
L. Bravina, Yu. Kvasiuk, D. Sachenko, S. Sivoklokov, O. Vitiuk, E. Zabrodin
{"title":"Directed flow and freeze-out in relativistic heavy-ion collisions at NICA and FAIR energies","authors":"L. Bravina, Yu. Kvasiuk, D. Sachenko, S. Sivoklokov, O. Vitiuk, E. Zabrodin","doi":"10.22323/1.347.0171","DOIUrl":"https://doi.org/10.22323/1.347.0171","url":null,"abstract":"Directed flow of charged particles is studied in \u0000nucleus-nucleus collisions simulated within the energy range accessible \u0000for NICA and FAIR facilities. Two transport cascade models, UrQMD and \u0000QGSM, are employed. These models use different mechanisms of the string \u0000excitation and string fragmentation. Despite of the differences, \u0000directed flows of charged pions and charged kaons in both models remain \u0000antiflow-oriented with reduction of the collision energy from $sqrt{s} \u0000= 11.5$~GeV to 3.5~GeV. In contrast, the directed flow of protons \u0000changes its sign from antiflow to normal flow within the investigated \u0000energy interval. Both models favor continuous non-uniform emittence of \u0000hadrons from the expanding fireball rather than sharp, or sudden, \u0000freeze-out picture adopted by majority of hydrodynamic models. We found \u0000that the earlier frozen hadrons carry the strongest directed flow at \u0000midrapidity, although the flow development even at $|y| leq 0.5$ takes \u0000about 8-12~fm/$c$ for different hadron species.","PeriodicalId":278184,"journal":{"name":"Proceedings of Corfu Summer Institute 2018 \"School and Workshops on Elementary Particle Physics and Gravity\" — PoS(CORFU2018)","volume":"83 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122447427","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
Vector Boson Scattering: status and prospects 矢量玻色子散射:现状与展望
Proceedings of Corfu Summer Institute 2018 "School and Workshops on Elementary Particle Physics and Gravity" — PoS(CORFU2018) Pub Date : 2019-09-19 DOI: 10.22323/1.347.0007
P. Govoni
{"title":"Vector Boson Scattering: status and prospects","authors":"P. Govoni","doi":"10.22323/1.347.0007","DOIUrl":"https://doi.org/10.22323/1.347.0007","url":null,"abstract":"The scattering of vector bosons (VBS) happens at the Large Hadron Collider when, in a proton collision, two vector bosons radiate from the interacting quarks and scatter. The VBS process is of great interest because of its intimate relationship with the foundations of the Standard Model of the fundamental interactions, since its unitarity is granted by the EW symmetry breaking. Therefore studying the VBS gives access to the EWSB in an orthogonal way with respect to the Higgs boson physics. Despite being among the rarest processes studied so far, the first results have already been published by the ATLAS and CMS Collaborations, triggering the experimental and theory communities in adding more final states on the measurement side, and pursuing more precision on the theory one. On the long term, the high-luminosity LHC will deliver a dataset of unprecendented size, that will allow to fully exploit the VBS topology, which is nowadays still fully dominated by the statistical uncertainties.","PeriodicalId":278184,"journal":{"name":"Proceedings of Corfu Summer Institute 2018 \"School and Workshops on Elementary Particle Physics and Gravity\" — PoS(CORFU2018)","volume":"9 22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127590347","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
AdS6 T-duals and $AdS_6$ × $S^2$ geometries in Type IIB IIB型中的AdS_6 t -双元和$AdS_6$ × $S^2$几何
Proceedings of Corfu Summer Institute 2018 "School and Workshops on Elementary Particle Physics and Gravity" — PoS(CORFU2018) Pub Date : 2019-09-19 DOI: 10.22323/1.347.0122
Y. Lozano, Niall T. Macpherson, J. Montero
{"title":"AdS6 T-duals and $AdS_6$ × $S^2$ geometries in Type IIB","authors":"Y. Lozano, Niall T. Macpherson, J. Montero","doi":"10.22323/1.347.0122","DOIUrl":"https://doi.org/10.22323/1.347.0122","url":null,"abstract":"We summarise the recent results in [1], where the Type IIB AdS6 solutions T-dual to the Brandhuber-Oz solution to massive Type IIA supergravity are shown to fit within an extension to allow for delocalized 5and 7-branes of the global AdS6× S2 solutions constructed in [2, 3]. We show that the Abelian T-dual solution provides an explicit example of a Riemann surface with the topology of an annulus.","PeriodicalId":278184,"journal":{"name":"Proceedings of Corfu Summer Institute 2018 \"School and Workshops on Elementary Particle Physics and Gravity\" — PoS(CORFU2018)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128283982","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: 5
Exotics and BSM in ATLAS and CMS (non DM searches) ATLAS和CMS中的外来物种和BSM(非DM检索)
Proceedings of Corfu Summer Institute 2018 "School and Workshops on Elementary Particle Physics and Gravity" — PoS(CORFU2018) Pub Date : 2019-09-19 DOI: 10.22323/1.347.0071
P. Zalewski, Cms Collaborations
{"title":"Exotics and BSM in ATLAS and CMS (non DM searches)","authors":"P. Zalewski, Cms Collaborations","doi":"10.22323/1.347.0071","DOIUrl":"https://doi.org/10.22323/1.347.0071","url":null,"abstract":"Search for new physics Beyond Standard Model (BSM) is one of the major goals of the ATLAS and the CMS experiments at the LHC. Search for phenomena other than motivated by mainstream supersymmetry is commonly referred to as exotica. Analyses directly related to search for dark matter particles was scheduled for other talks. What remains could be subdivided into searches for promptly decaying particles and for long lived once. Few representative examples of such analyses finished by ATLAS and CMS collaboration by the summer of 2018 are presented. No significant excess of signal event over predicted background was found in any analysis. More and more stringent exclusion limits are presented.","PeriodicalId":278184,"journal":{"name":"Proceedings of Corfu Summer Institute 2018 \"School and Workshops on Elementary Particle Physics and Gravity\" — PoS(CORFU2018)","volume":"72 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128869228","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
New Supergravity Uplifts 新的超重力隆起
Proceedings of Corfu Summer Institute 2018 "School and Workshops on Elementary Particle Physics and Gravity" — PoS(CORFU2018) Pub Date : 2019-09-19 DOI: 10.22323/1.347.0106
F. Farakos
{"title":"New Supergravity Uplifts","authors":"F. Farakos","doi":"10.22323/1.347.0106","DOIUrl":"https://doi.org/10.22323/1.347.0106","url":null,"abstract":"","PeriodicalId":278184,"journal":{"name":"Proceedings of Corfu Summer Institute 2018 \"School and Workshops on Elementary Particle Physics and Gravity\" — PoS(CORFU2018)","volume":"82 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123344636","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
Composite Higgs Phenomenology 复合希格斯现象学
Proceedings of Corfu Summer Institute 2018 "School and Workshops on Elementary Particle Physics and Gravity" — PoS(CORFU2018) Pub Date : 2019-09-19 DOI: 10.22323/1.347.0029
G. Bhattacharyya
{"title":"Composite Higgs Phenomenology","authors":"G. Bhattacharyya","doi":"10.22323/1.347.0029","DOIUrl":"https://doi.org/10.22323/1.347.0029","url":null,"abstract":"","PeriodicalId":278184,"journal":{"name":"Proceedings of Corfu Summer Institute 2018 \"School and Workshops on Elementary Particle Physics and Gravity\" — PoS(CORFU2018)","volume":"259 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116219591","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
Finite-size scaling, Intermittency and the QCD critical point 有限尺寸缩放，间歇性和QCD临界点
Proceedings of Corfu Summer Institute 2018 "School and Workshops on Elementary Particle Physics and Gravity" — PoS(CORFU2018) Pub Date : 2019-09-19 DOI: 10.22323/1.347.0178
F. Diakonos, N. Antoniou
{"title":"Finite-size scaling, Intermittency and the QCD critical point","authors":"F. Diakonos, N. Antoniou","doi":"10.22323/1.347.0178","DOIUrl":"https://doi.org/10.22323/1.347.0178","url":null,"abstract":"Based on an effective action for the 3d Ising critical point we construct a Ginzburg-Landau free energy for the proton density to describe the QCD thermodynamics in the critical region. We argue that the relation between finite-size scaling in configuration space and intermittency in momentum space is a valuable tool for the detection of the QCD critical point in ion collisions. We find that the critical region is very narrow along both chemical potential ($mu$) and temperature ($T$) directions supporting that wide ranged beam energy scans with fixed size nuclei are unlikely to reach the critical region. Furthermore, we present a systematic procedure leading to the detection of the critical point through combined measurements of intermittency indices and freeze-out thermodynamic parameters $(mu,T)$ for protons. Exploiting previous NA49 measurement of the intermittency index $phi_2$ and the freeze-out parameters $(mu,T)$ for protons produced in central Si+\"Si\" collision at $158$A GeV we predict the approach to the critical point in peripheral Ar+Sc collisions of the NA61/SHINE experiment at maximum SPS (CERN) energy.","PeriodicalId":278184,"journal":{"name":"Proceedings of Corfu Summer Institute 2018 \"School and Workshops on Elementary Particle Physics and Gravity\" — PoS(CORFU2018)","volume":"120 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133447631","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: 1
Cosmic microwave background as a probe of dark relics 宇宙微波背景作为黑暗遗迹的探测器
Proceedings of Corfu Summer Institute 2018 "School and Workshops on Elementary Particle Physics and Gravity" — PoS(CORFU2018) Pub Date : 2019-09-19 DOI: 10.22323/1.347.0094
P. Serpico
{"title":"Cosmic microwave background as a probe of dark relics","authors":"P. Serpico","doi":"10.22323/1.347.0094","DOIUrl":"https://doi.org/10.22323/1.347.0094","url":null,"abstract":"I argue how cosmology (and the CMB in particular) is sensitive to even extremely suppressed interaction rates of (meta)stable species present in the cosmic soup. The case of dark relics decaying either in a dark sector or via some tiny visible branching ratio into visible form are reviewed. Applications to evaporating and merging primordial black holes are also covered. Finally, I conclude with some considerations on the CMB sensitivity to dark radiation.","PeriodicalId":278184,"journal":{"name":"Proceedings of Corfu Summer Institute 2018 \"School and Workshops on Elementary Particle Physics and Gravity\" — PoS(CORFU2018)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125287172","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: 2
Lattice-based Equation of State of QCD matter with a critical point 具有临界点的QCD物质的晶格态方程
Proceedings of Corfu Summer Institute 2018 "School and Workshops on Elementary Particle Physics and Gravity" — PoS(CORFU2018) Pub Date : 2019-09-19 DOI: 10.22323/1.347.0161
C. Ratti
{"title":"Lattice-based Equation of State of QCD matter with a critical point","authors":"C. Ratti","doi":"10.22323/1.347.0161","DOIUrl":"https://doi.org/10.22323/1.347.0161","url":null,"abstract":"We build a family of Equations of State (EoS) for QCD, which match the lattice QCD results up to O(μ4 B), and contain a critical point in the 3D Ising model universality class. We place the critical point in the chemical potential range covered by the second Beam Energy Scan (BESII) at the Relativistic Heavy Ion Collider (RHIC). We show the effect of the critical point on several thermodynamic observables and discuss possible constraints on the parameters, which arise from mapping the Ising model phase diagram onto the QCD one.","PeriodicalId":278184,"journal":{"name":"Proceedings of Corfu Summer Institute 2018 \"School and Workshops on Elementary Particle Physics and Gravity\" — PoS(CORFU2018)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125109796","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: 1
SKT and T-duality SKT和t二象性
Proceedings of Corfu Summer Institute 2018 "School and Workshops on Elementary Particle Physics and Gravity" — PoS(CORFU2018) Pub Date : 2019-09-19 DOI: 10.22323/1.347.0121
U. Lindström, C. Hull
{"title":"SKT and T-duality","authors":"U. Lindström, C. Hull","doi":"10.22323/1.347.0121","DOIUrl":"https://doi.org/10.22323/1.347.0121","url":null,"abstract":"Strong Kahler with Torsion is the target space geometry of $(2,1)$ and $(2,0)$ supersymmetric nonlinear sigma models. We discuss how it can be represented in terms of Generalised Complex Geometry in analogy to the Gualtieri map \u0000from the geometry of $(2,2)$ supersymmetric nonlinear sigma models \u0000to Generalised Kahler Geometry.","PeriodicalId":278184,"journal":{"name":"Proceedings of Corfu Summer Institute 2018 \"School and Workshops on Elementary Particle Physics and Gravity\" — PoS(CORFU2018)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132765384","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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