增强色重联方案中奇异和非奇异魅力重子的事件活动相关产生

IF 3.4 3区物理与天体物理 Q2 PHYSICS, NUCLEAR

Journal of Physics G: Nuclear and Particle Physics Pub Date : 2023-02-20 DOI:10.1088/1361-6471/accfb4

Z. Varga, Anett Mis'ak, R. V'ertesi

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引用次数: 0

摘要

我们研究了在LHC能量的质子-质子碰撞中，与魅力D0介子和∧c+重子相比，产生具有不同同位旋和奇异度含量的魅力重子。我们使用PYTHIA 8蒙特卡罗事件生成器，该生成器具有超越领先颜色近似的颜色重联，并提出了基于事件活动分类器的方法来探测魅力重子增强的来源。我们得出结论，在所考虑的模型类中，魅力重子态的同位旋对增强模式有很大的影响。利用我们提出的可观察性，即将到来的高精度实验数据将能够区分奇怪和魅力增强的机制。

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Event-activity dependent production of strange and non-strange charmed baryons in the enhanced color-reconnection scheme

We investigated the production of charmed baryons with different isospin and strangeness content, compared to both charmed D0 mesons and to the Λc + baryon in proton--proton collisions at LHC energies. We used the PYTHIA 8 Monte Carlo event generator with color-reconnection beyond leading color approximation and proposed methods based on event-activity classifiers to probe the source of the charm baryon enhancement. We conclude that in the considered model class, the isospin of the charmed baryon state has a strong impact on the enhancement pattern. Using the observables we propose, upcoming high-precision experimental data will be able to differentiate between mechanisms of strangeness and charm enhancement.

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来源期刊

Journal of Physics G: Nuclear and Particle Physics 物理-物理：核物理

CiteScore

7.60

自引率

5.70%

发文量

105

审稿时长

1 months

期刊介绍： Journal of Physics G: Nuclear and Particle Physics (JPhysG) publishes articles on theoretical and experimental topics in all areas of nuclear and particle physics, including nuclear and particle astrophysics. The journal welcomes submissions from any interface area between these fields. All aspects of fundamental nuclear physics research, including: nuclear forces and few-body systems; nuclear structure and nuclear reactions; rare decays and fundamental symmetries; hadronic physics, lattice QCD; heavy-ion physics; hot and dense matter, QCD phase diagram. All aspects of elementary particle physics research, including: high-energy particle physics; neutrino physics; phenomenology and theory; beyond standard model physics; electroweak interactions; fundamental symmetries. All aspects of nuclear and particle astrophysics including: nuclear physics of stars and stellar explosions; nucleosynthesis; nuclear equation of state; astrophysical neutrino physics; cosmic rays; dark matter. JPhysG publishes a variety of article types for the community. As well as high-quality research papers, this includes our prestigious topical review series, focus issues, and the rapid publication of letters.