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Deuteron Spin-Flip System Based on Quadrupole Correctors of the Nuclotron (JINR) 基于核旋转加速器四极校正器的氘核自旋翻转系统（JINR）
IF 0.6 4区 物理与天体物理
Physics of Particles and Nuclei Pub Date : 2024-08-18 DOI: 10.1134/S1063779624700096
E. D. Tsyplakov, Yu. N. Filatov, A. M. Kondratenko, M. A. Kondratenko, V. A. Lopatkin, S. V. Vinogradov, A. V. Butenko, S. A. Kostromin, V. P. Ladygin, E. M. Syresin, E. A. Butenko, E. S. Bogdanov
{"title":"Deuteron Spin-Flip System Based on Quadrupole Correctors of the Nuclotron (JINR)","authors":"E. D. Tsyplakov,&nbsp;Yu. N. Filatov,&nbsp;A. M. Kondratenko,&nbsp;M. A. Kondratenko,&nbsp;V. A. Lopatkin,&nbsp;S. V. Vinogradov,&nbsp;A. V. Butenko,&nbsp;S. A. Kostromin,&nbsp;V. P. Ladygin,&nbsp;E. M. Syresin,&nbsp;E. A. Butenko,&nbsp;E. S. Bogdanov","doi":"10.1134/S1063779624700096","DOIUrl":"10.1134/S1063779624700096","url":null,"abstract":"<p>A new method for deuteron spin-flip is proposed, which uses the spin resonance crossing with betatron frequencies. The resonance is induced by quadrupole correctors of the Nuclotron, which make it possible to control simultaneously the detuning from the resonance and its power. The deuteron spin-flip is due to adiabatic resonance crossing by the slow variation of the betatron frequency. An advantage of this method is that the beam energy remains constant at the induced resonance crossing; it is determined by the chosen frequency of vertical betatron oscillations. The possibility of experimental verification of the deuteron spin-flip in the Nuclotron is discussed.</p>","PeriodicalId":729,"journal":{"name":"Physics of Particles and Nuclei","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2024-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142412266","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
High-Energy Production of ηc Mesons in Proton–Proton Collisions 质子-质子碰撞中ηc介子的高能产生
IF 0.6 4区 物理与天体物理
Physics of Particles and Nuclei Pub Date : 2024-08-18 DOI: 10.1134/S106377962470031X
A. V. Anufriev, V. A. Saleev
{"title":"High-Energy Production of ηc Mesons in Proton–Proton Collisions","authors":"A. V. Anufriev,&nbsp;V. A. Saleev","doi":"10.1134/S106377962470031X","DOIUrl":"10.1134/S106377962470031X","url":null,"abstract":"<p>The article considers the production of <span>({{eta }_{{text{c}}}})</span> mesons at LHC energies using the parton Reggeization approach and the leading order perturbation theory of quantum chromodynamics. The hadronization of a quark–antiquark pair (<span>(cbar {c})</span>) in <span>({{{{eta }}}_{{text{c}}}})</span> is described in the framework of nonrelativistic quantum chromodynamics and with the using of color evaporation model. The calculation results are compared with experimental data for the <span>({{eta }_{{text{c}}}})</span> production cross section in proton–proton collisions obtained by the LHCb collaboration. Predictions have been made for the kinematic conditions of the LHCb and ATLAS collaboration experiments at an energy <span>(sqrt s = )</span> 13 TeV.</p>","PeriodicalId":729,"journal":{"name":"Physics of Particles and Nuclei","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2024-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142412270","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Anisotropic Flow Measurements of Identified Hadrons with Fixed-Target Mode of MPD Detector at NICA 在 NICA 使用 MPD 探测器的固定目标模式测量已识别中子的各向异性流
IF 0.6 4区 物理与天体物理
Physics of Particles and Nuclei Pub Date : 2024-08-18 DOI: 10.1134/S1063779624700369
P. Parfenov, M. Mamaev, A. Taranenko
{"title":"Anisotropic Flow Measurements of Identified Hadrons with Fixed-Target Mode of MPD Detector at NICA","authors":"P. Parfenov,&nbsp;M. Mamaev,&nbsp;A. Taranenko","doi":"10.1134/S1063779624700369","DOIUrl":"10.1134/S1063779624700369","url":null,"abstract":"<p>Main goals of beam energy scan programs with relativistic heavy ions at energies <span>(sqrt {{{s}_{{NN}}}} )</span> = 2–11 GeV, like the one planned at the Multi-Purpose Detector (MPD) at the NICA collider, are the investigation of the Equation of State (EOS) and the search for potential phase transitions in dense baryonic matter. In this work, we discuss the layout of the MPD experiment in the fixed-target mode and the anticipated performance for differential anisotropic flow measurements of identfied hadrons at energies <span>(sqrt {{{s}_{{NN}}}} )</span> = 2.3–3.5 GeV.</p>","PeriodicalId":729,"journal":{"name":"Physics of Particles and Nuclei","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2024-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142412249","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Gluon Distribution in Nucleon and Its Application to Analysis of ep DIS, pp and AA Collisions at High Energies and Mid-Rapidity 核子中的胶子分布及其在高能量和中高频率的ep DIS、pp和AA碰撞分析中的应用
IF 0.6 4区 物理与天体物理
Physics of Particles and Nuclei Pub Date : 2024-08-18 DOI: 10.1134/S1063779624700631
G. I. Lykasov, A. I. Malakhov, M. A. Malyshev, A. V. Lipatov, A. A. Zaitsev
{"title":"Gluon Distribution in Nucleon and Its Application to Analysis of ep DIS, pp and AA Collisions at High Energies and Mid-Rapidity","authors":"G. I. Lykasov,&nbsp;A. I. Malakhov,&nbsp;M. A. Malyshev,&nbsp;A. V. Lipatov,&nbsp;A. A. Zaitsev","doi":"10.1134/S1063779624700631","DOIUrl":"10.1134/S1063779624700631","url":null,"abstract":"<p>A review on the gluon transverse momentum dependent distribution (TMD) and its application to the analysis of the <span>(ep)</span> DIS at the HERA energies, hard and soft <span>(pp)</span> processes at LHC energies and mid-rapidity is presented.</p>","PeriodicalId":729,"journal":{"name":"Physics of Particles and Nuclei","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2024-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142202365","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Measurements of Hadronic Elliptic Flows at PHENIX 在 PHENIX 测量强子椭圆流
IF 0.6 4区 物理与天体物理
Physics of Particles and Nuclei Pub Date : 2024-08-18 DOI: 10.1134/S1063779624700618
E. V. Bannikov, A. Ya. Berdnikov, Ya. A. Berdnikov, D. O. Kotov, Yu. M. Mitrankov, M. M. Mitrankova, D. M. Larionova, A. D. Selezenev
{"title":"Measurements of Hadronic Elliptic Flows at PHENIX","authors":"E. V. Bannikov,&nbsp;A. Ya. Berdnikov,&nbsp;Ya. A. Berdnikov,&nbsp;D. O. Kotov,&nbsp;Yu. M. Mitrankov,&nbsp;M. M. Mitrankova,&nbsp;D. M. Larionova,&nbsp;A. D. Selezenev","doi":"10.1134/S1063779624700618","DOIUrl":"10.1134/S1063779624700618","url":null,"abstract":"<p>One of the key tasks of the PHENIX experiment is studying the properties of the quark–gluon plasma (QGP). An efficient method for studying the properties of the QGP is measuring the azimuthal anisotropy of particle production in ultrarelativistic collisions of heavy ions. The azimuthal anisotropy is characterized by the coefficients of the Fourier transform of the function of particle distribution over the azimuthal angle. The measurement of the second coefficient of the Fourier transform (<span>({{v}_{2}})</span>), which is called the elliptic flow, makes it possible to investigate the collective behavior of nuclear matter and, thus, to study the QGP properties. In this study, a review of the recent results of measurement of hadron elliptic flows as a function of the transverse momentum and centrality of nuclei collisions in the PHENIX experiment is presented. The data of measured values of <span>({{v}_{2}})</span> for neutral and charged hadrons in the Cu + Au and Au + Au collisions at energy <span>(sqrt {{{s}_{{NN}}}} )</span> = 200 GeV are presented.</p>","PeriodicalId":729,"journal":{"name":"Physics of Particles and Nuclei","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2024-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142202373","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Nature of Nuclear Matter 核物质的性质
IF 0.6 4区 物理与天体物理
Physics of Particles and Nuclei Pub Date : 2024-08-18 DOI: 10.1134/S1063779624700370
I. B. Pestov
{"title":"Nature of Nuclear Matter","authors":"I. B. Pestov","doi":"10.1134/S1063779624700370","DOIUrl":"10.1134/S1063779624700370","url":null,"abstract":"<p>To explain why nuclei exist and to represent some aspects of their internal organization, it is important to understand in what form time exists in the Nature itself. To this end, we restore the fundamental notions of electric and magnetic fields in the framework of the general relativity theory and derive the general covariant Maxwell equations for these fields. This makes it possible to define natural time and recognizes that there are two different natural times. We connect the existence of dual natural time with the existence of nuclei.</p>","PeriodicalId":729,"journal":{"name":"Physics of Particles and Nuclei","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2024-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142412235","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Prospects for Studying the Production of Hyperons and Hypernuclei in the MPD Experiment at the NICA Accelerator Complex 在 NICA 加速器综合设施的 MPD 实验中研究超子和超核产生的前景
IF 0.6 4区 物理与天体物理
Physics of Particles and Nuclei Pub Date : 2024-08-18 DOI: 10.1134/S1063779624700205
V. I. Kolesnikov, V. A. Vasendina, A. I. Zinchenko
{"title":"Prospects for Studying the Production of Hyperons and Hypernuclei in the MPD Experiment at the NICA Accelerator Complex","authors":"V. I. Kolesnikov,&nbsp;V. A. Vasendina,&nbsp;A. I. Zinchenko","doi":"10.1134/S1063779624700205","DOIUrl":"10.1134/S1063779624700205","url":null,"abstract":"<p>Collisions of relativistic nuclei provide a unique opportunity to study the phase diagram of strongly interacting matter. New data on the yields, spectra, and lifetimes of hyperons and hypernuclei will allow many aspects of the dynamics of nucleus–nucleus collisions to be revealed due to their dependence on the nature of phase transformations and the equation of state in the medium, as well as on the type of hyperon–nucleon potentials at high densities. The study of the production of strange particles will play a significant role in the physics program of the MPD experiment at the NICA accelerator complex, therefore, studying the detector characteristics for the reconstruction of hyperons and hypernuclei is an important task at the current stage of the project implementation.</p>","PeriodicalId":729,"journal":{"name":"Physics of Particles and Nuclei","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2024-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142412242","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Global Polarization of Λ Hyperons and Its Correlation with the Directed Flow at NICA Energies Λ超子的全局极化及其与 NICA 能量下的定向流的相关性
IF 0.4 4区 物理与天体物理
Physics of Particles and Nuclei Pub Date : 2024-08-18 DOI: 10.1134/s1063779624700904
V. Troshin
{"title":"Global Polarization of Λ Hyperons and Its Correlation with the Directed Flow at NICA Energies","authors":"V. Troshin","doi":"10.1134/s1063779624700904","DOIUrl":"https://doi.org/10.1134/s1063779624700904","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>Global hyperon polarization and anisotropic transverse flow are important observables for studying the properties of the strongly interacting matter produced in relativistic heavy ion collisions. The former provides information about the initial angular momentum in the non-central collisions and the latter contains information about the early evolution of the overlap region and the equation of state. Investigating of both effects at NICA energies is an important goal of the MPD experiment. In this work we study the global polarization of Λ hyperons and its correlation with the directed flow of the strongly interacting matter produced in the Bi + Bi collisions at <span>(sqrt {{{s}_{{NN}}}} )</span> = 9.2 GeV generated with the PHSD (Parton–Hadron–String Dynamics) model.</p>","PeriodicalId":729,"journal":{"name":"Physics of Particles and Nuclei","volume":null,"pages":null},"PeriodicalIF":0.4,"publicationDate":"2024-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142202456","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Description of Bhabha-Scattering at Small Angles Using the Monte Carlo Generator ReneSANCe 使用蒙特卡洛发生器 ReneSANCe 描述小角度的巴哈散射
IF 0.4 4区 物理与天体物理
Physics of Particles and Nuclei Pub Date : 2024-08-18 DOI: 10.1134/s106377962470059x
A. Arbuzov, S. Bondarenko, I. Boyko, Ya. Dydyshka, L. Kalinovskaya, A. Kampf, R. Sadykov, A. Tropina, V. Yermolchyk, Yu. Yermolchyk
{"title":"Description of Bhabha-Scattering at Small Angles Using the Monte Carlo Generator ReneSANCe","authors":"A. Arbuzov, S. Bondarenko, I. Boyko, Ya. Dydyshka, L. Kalinovskaya, A. Kampf, R. Sadykov, A. Tropina, V. Yermolchyk, Yu. Yermolchyk","doi":"10.1134/s106377962470059x","DOIUrl":"https://doi.org/10.1134/s106377962470059x","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>Results of a simulation of Bhabha small-angle scattering process at center-of-mass energy of 240 GeV and at the <i>Z</i>-boson resonance using the Monte Carlo generator ReneSANCe are presented. For the given accuracy about 10<sup>–4</sup> in estimating luminosity of future electron-positron accelerators, the minimum cutoff angle for simulated events is established.</p>","PeriodicalId":729,"journal":{"name":"Physics of Particles and Nuclei","volume":null,"pages":null},"PeriodicalIF":0.4,"publicationDate":"2024-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142202380","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
New Physics, Semi-Inclusive Distributions, and Statistical Potentials 新物理学、半包容分布和统计势能
IF 0.4 4区 物理与天体物理
Physics of Particles and Nuclei Pub Date : 2024-08-18 DOI: 10.1134/s1063779624700722
N. Makhaldiani
{"title":"New Physics, Semi-Inclusive Distributions, and Statistical Potentials","authors":"N. Makhaldiani","doi":"10.1134/s1063779624700722","DOIUrl":"https://doi.org/10.1134/s1063779624700722","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>Formal definition of the contemporary meaning of the New Physics proposed. A constituent picture of the <span>(W)</span> and <span>(H)</span> bosons considered. Connection between Hagedorn, Tsallis-like, and negative binomial distributions for inclusive cross sections established.</p>","PeriodicalId":729,"journal":{"name":"Physics of Particles and Nuclei","volume":null,"pages":null},"PeriodicalIF":0.4,"publicationDate":"2024-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142202412","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","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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