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Light hyperon polarization and CP test at BESIII BESIII光超子偏振和CP测试
Suplemento de la Revista Mexicana de Física Pub Date : 2022-07-29 DOI: 10.31349/suplrevmexfis.3.0308051
Liang Yan
{"title":"Light hyperon polarization and CP test at BESIII","authors":"Liang Yan","doi":"10.31349/suplrevmexfis.3.0308051","DOIUrl":"https://doi.org/10.31349/suplrevmexfis.3.0308051","url":null,"abstract":"Hyperon is an ideal probe to study the QCD in the region of non-perturbative to perturbative. Using 1.31 × 109 J/ψ and 448.1 × 106 ψ(3686) events, the hyperon anti-hyperon pair production are well studied. The hyperon polarization and its decay parameter have been measured in high precision through their quantum entangle system. By comparing the decay parameters in hyperon and anti-hyperon decays, the CP conservation observables has been measured which is important to test the Standard Model and search for New Physics.","PeriodicalId":210091,"journal":{"name":"Suplemento de la Revista Mexicana de Física","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127404100","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
QCD Equilibrium and Dynamical Properties from Holographic Black Holes 全息黑洞的QCD平衡和动力学性质
Suplemento de la Revista Mexicana de Física Pub Date : 2022-07-25 DOI: 10.31349/suplrevmexfis.3.040910
Joaquin Grefa, M. Hippert, J. Noronha, J. Noronha-Hostler, I. Portillo, C. Ratti, R. Rougemont
{"title":"QCD Equilibrium and Dynamical Properties from Holographic Black Holes","authors":"Joaquin Grefa, M. Hippert, J. Noronha, J. Noronha-Hostler, I. Portillo, C. Ratti, R. Rougemont","doi":"10.31349/suplrevmexfis.3.040910","DOIUrl":"https://doi.org/10.31349/suplrevmexfis.3.040910","url":null,"abstract":"By using gravity/gauge correspondence, we employ an Einstein-Maxwell-Dilaton model to compute the equilibrium and out-of-equilibrium properties of a hot and baryon rich strongly coupled quark-gluon plasma. The family of 5-dimensional holographic black holes, which are constrained to mimic the lattice QCD equation of state at zero density, is used to investigate the temperature and baryon chemical potential dependence of the equation of state. We also obtained the baryon charge conductivity, and the bulk and shear viscosities with a particular focus on the behavior of these observables on top of the critical end point and the line of first order phase transition predicted by the model.","PeriodicalId":210091,"journal":{"name":"Suplemento de la Revista Mexicana de Física","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129597581","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: 3
Initializing BSQ with Open-Source ICCING 使用开源ICCING初始化BSQ
Suplemento de la Revista Mexicana de Física Pub Date : 2022-07-20 DOI: 10.31349/suplrevmexfis.3.040912
Patrick Carzon, Mauricio Martinez, M. Sievert, D. Wertepny, J. Noronha-Hostler
{"title":"Initializing BSQ with Open-Source ICCING","authors":"Patrick Carzon, Mauricio Martinez, M. Sievert, D. Wertepny, J. Noronha-Hostler","doi":"10.31349/suplrevmexfis.3.040912","DOIUrl":"https://doi.org/10.31349/suplrevmexfis.3.040912","url":null,"abstract":"While it is well known that there is a significant amount of conserved charges in the initial state of nuclear collisions, the production of these due to gluon splitting has yet to be thoroughly investigated. The ICCING (Initial Conserved Charges in Nuclear Geometry) algorithm reconstructs these quark distributions, providing conserved strange, baryon, and electric charges, by sampling a given model for the g → qq¯ splitting function over the initial energy density, which is valid at top collider energies, even when µB = 0. The ICCING algorithm includes fluctuations in the gluon longitudinal momenta, a structure that supports the implementation of dynamical processes, and the c++ version is now open-source. A full analysis of parameter choices on the model has been done to quantify the effect these have on the underlying physics. We find there is a sustained difference across the different charges that indicates sensitivity to hot spot geometry.","PeriodicalId":210091,"journal":{"name":"Suplemento de la Revista Mexicana de Física","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124217823","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
Influence of heavy resonances in SMASH 重共振对SMASH的影响
Suplemento de la Revista Mexicana de Física Pub Date : 2022-07-20 DOI: 10.31349/suplrevmexfis.3.040921
J. Martin, J. Noronha-Hostler, H. Elfner, J. Hammelmann, R. Hirayama
{"title":"Influence of heavy resonances in SMASH","authors":"J. Martin, J. Noronha-Hostler, H. Elfner, J. Hammelmann, R. Hirayama","doi":"10.31349/suplrevmexfis.3.040921","DOIUrl":"https://doi.org/10.31349/suplrevmexfis.3.040921","url":null,"abstract":"Recent lattice QCD results, comparing to a hadron resonance gas model, have shown the need for hundreds of particles in hadronic models. These extra particles influence both the equation of state and hadronic interactions within hadron transport models. Here, we introduce the PDG21+ particle list, which contains the most up-to-date database of particles and their properties. We then convert all particles decays into 2 body decays so that they are compatible with SMASH in order to produce a more consistent description of a heavy-ion collision.","PeriodicalId":210091,"journal":{"name":"Suplemento de la Revista Mexicana de Física","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133178305","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
Measurement of angular and momentum distributions of charged particles within and around jets with the ATLAS detector 用ATLAS探测器测量喷流内部和周围带电粒子的角动量分布
Suplemento de la Revista Mexicana de Física Pub Date : 2022-07-08 DOI: 10.31349/suplrevmexfis.3.0308116
M. Krivos
{"title":"Measurement of angular and momentum distributions of charged particles within and around jets with the ATLAS detector","authors":"M. Krivos","doi":"10.31349/suplrevmexfis.3.0308116","DOIUrl":"https://doi.org/10.31349/suplrevmexfis.3.0308116","url":null,"abstract":"Studies of jet fragmentation in heavy-ion collisions can provide information about the mechanism of jet quenching inside the hot and dense QCD matter created in these collisions. These proceedings present results from measurements of charged particle yields within and around the jets in dijet, gamma+jet and Z+jet systems measured in $5.02$~TeV Pb+Pb and $pp$ collisions using the ATLAS detector at the LHC.","PeriodicalId":210091,"journal":{"name":"Suplemento de la Revista Mexicana de Física","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128491883","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
The NICA-SPD project: a new tool to investigate the hadron structure NICA-SPD项目:研究强子结构的新工具
Suplemento de la Revista Mexicana de Física Pub Date : 2022-07-08 DOI: 10.31349/suplrevmexfis.3.0308075
E. Tomasi
{"title":"The NICA-SPD project: a new tool to investigate the hadron structure","authors":"E. Tomasi","doi":"10.31349/suplrevmexfis.3.0308075","DOIUrl":"https://doi.org/10.31349/suplrevmexfis.3.0308075","url":null,"abstract":"SPD is an international Collaboration gathering around the Spin Physics Detector at the Nuclotron-based Ion Collider FAcility (NICA), presently under construction at the Joint Institute per Nuclear Research, in Dubna. The project is briefly presented with special focus to the opportunities opened by the collision of high luminosity polarized proton and deuteron beams with total energy up to $sqrt{s}$=27 GeV. Examples of the foreseen research program are highlighted, in connection with the spin structure of light nuclei, the proton gluon content and the spin dependence of the nucleon-nucleon interaction. The unicity of NICA-SPD makes the future results complementary to the studies that have been or will be performed at other polarized hadron machines in different energy domains.","PeriodicalId":210091,"journal":{"name":"Suplemento de la Revista Mexicana de Física","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126673771","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
Charmonium spectrum and the color-octet heavy-quark potential from the instanton vacuum 瞬子真空中的色八元重夸克势和查蒙尼亚谱
Suplemento de la Revista Mexicana de Física Pub Date : 2022-07-08 DOI: 10.31349/suplrevmexfis.3.0308084
Ki Hong, U. Yakhshiev, Hyun-Chul Kim
{"title":"Charmonium spectrum and the color-octet heavy-quark potential from the instanton vacuum","authors":"Ki Hong, U. Yakhshiev, Hyun-Chul Kim","doi":"10.31349/suplrevmexfis.3.0308084","DOIUrl":"https://doi.org/10.31349/suplrevmexfis.3.0308084","url":null,"abstract":"\u0000The properties of quarkonia are discussed in the framework of the nonrelativistic potential approach based on the instanton-induced interactions from the instanton vacuum.  we have obtained the spectrum of charmonia and discuss the results. We also examine the instanton effects on the color-octet heavy-quark potential. \u0000","PeriodicalId":210091,"journal":{"name":"Suplemento de la Revista Mexicana de Física","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124615281","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
Longitudinal dynamics in light-front holographic QCD and hadron spectroscopy 光前全息QCD和强子光谱学的纵向动力学
Suplemento de la Revista Mexicana de Física Pub Date : 2022-06-30 DOI: 10.31349/suplrevmexfis.3.0308091
C. Mondal
{"title":"Longitudinal dynamics in light-front holographic QCD and hadron spectroscopy","authors":"C. Mondal","doi":"10.31349/suplrevmexfis.3.0308091","DOIUrl":"https://doi.org/10.31349/suplrevmexfis.3.0308091","url":null,"abstract":"We demonstrate that the ’t Hooft equation and the light-front holographic Schrodinger equation are complementary to each other in governing ¨ the longitudinal and the transverse dynamics of color confinement in mesons (quark-antiquark) and baryons (quark-diquark). Together, they describe remarkably well the spectroscopic data for the light-light, heavy-light and heavy-heavy hadrons. In all hadrons, the transverse dynamics of confinement is controlled by the universal emerging hadronic scale of the light-front holography, κ ∼ 0.5 GeV, which, in heavy-heavy hadrons, coincides with the ’t Hooft coupling that governs the longitudinal confinement. This reflects the restoration of the rotational symmetry in the non-relativistic limit.","PeriodicalId":210091,"journal":{"name":"Suplemento de la Revista Mexicana de Física","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127419977","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
Proton image and momentum distributions on the light-front 光前的质子图像和动量分布
Suplemento de la Revista Mexicana de Física Pub Date : 2022-06-30 DOI: 10.31349/suplrevmexfis.3.0308094
E. Ydrefors, T. Frederico
{"title":"Proton image and momentum distributions on the light-front","authors":"E. Ydrefors, T. Frederico","doi":"10.31349/suplrevmexfis.3.0308094","DOIUrl":"https://doi.org/10.31349/suplrevmexfis.3.0308094","url":null,"abstract":"The proton has been studied in a fully dynamical three-body model on the light-front. The model is based on the concept of a strongly interacting diquark, either bound or virtual, which is generated from a zero-range interaction between the two active quarks. The obtained results for the Dirac electromagnetic form factor and also the density in the Ioffe-time space are shown and discussed. Additionally, we present results for the parton distribution function of the proton.","PeriodicalId":210091,"journal":{"name":"Suplemento de la Revista Mexicana de Física","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125942665","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
Quantum computation of heavy quarkonium masses 重夸克粒子质量的量子计算
Suplemento de la Revista Mexicana de Física Pub Date : 2022-06-29 DOI: 10.31349/suplrevmexfis.3.0308068
Daniel Gallimore, J. Liao
{"title":"Quantum computation of heavy quarkonium masses","authors":"Daniel Gallimore, J. Liao","doi":"10.31349/suplrevmexfis.3.0308068","DOIUrl":"https://doi.org/10.31349/suplrevmexfis.3.0308068","url":null,"abstract":"We perform a quantum calculation of the 1S charmonium mass by simulating the spinless Cornell Hamiltonian on a quantum processor using a variational method. Errors due to a global depolarizing noise channel are corrected with a zero-noise extrapolation method, resulting in good agreement with the known value. We also calculate the 2S mass of charmonium on a noiseless quantum simulator by orthogonalizing with respect to the ground state. This research demonstrates that near-term quantum devices are capable of simulating heavy quark bound states, which are currently under-represented in the literature.","PeriodicalId":210091,"journal":{"name":"Suplemento de la Revista Mexicana de Física","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-06-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125727368","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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