通过光锥 QCD 实现(Omega _{c}^0\)共振的电磁特性

IF 2.8 3区 物理与天体物理 Q2 PHYSICS, MULTIDISCIPLINARY The European Physical Journal Plus Pub Date : 2024-11-06 DOI:10.1140/epjp/s13360-024-05779-8
Ulaş Özdem
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引用次数: 0

摘要

我们系统地研究了那些内部结构尚未阐明的有争议态的电磁特性,并试图提供一个不同的视角来揭示这些态的内部结构。受LHCb合作组观测到的\(\ω _c\)态的启发,我们在QCD光锥和则模型的背景下研究了作为具有\(J^P = \frac{1}{2}^-\) 和\(J^P = \frac{3}{2}^-\) 的紧凑二夸克-二夸克-反夸克五夸克态的\(\ω _c\)态的电磁性质。从得到的数值结果中,我们得出结论:\(\Omega _c\)态的磁偶极矩可以反映它们的内部结构,这可以用来区分它们的自旋等价量子数。在未来的实验设施中测量(\ω _c\)态的磁矩将非常有助于理解这些态的内部结构和确定它们的量子数。
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Electromagnetic properties of \(\Omega _{c}^0\) resonances via light-cone QCD

We systematically study the electromagnetic properties of controversial states whose internal structure is not elucidated, and we try to offer a different point of view to unravel the internal structure of these states. Inspired by the \(\Omega _c\) states observed by the LHCb Collaboration, we study the electromagnetic properties of the \(\Omega _c\) states as the compact diquark-diquark-antiquark pentaquarks with both \(J^P = \frac{1}{2}^-\) and \(J^P = \frac{3}{2}^-\) in the context of the QCD light-cone sum rule model. From the obtained numerical results, we conclude that the magnetic dipole moments of the \(\Omega _c\) states can reflect their inner structures, which can be used to distinguish their spin-parity quantum numbers. Measuring the magnetic moment of the \(\Omega _c\) states in future experimental facilities can be very helpful for understanding the internal organization and identifying the quantum numbers of these states.

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来源期刊
The European Physical Journal Plus
The European Physical Journal Plus PHYSICS, MULTIDISCIPLINARY-
CiteScore
5.40
自引率
8.80%
发文量
1150
审稿时长
4-8 weeks
期刊介绍: The aims of this peer-reviewed online journal are to distribute and archive all relevant material required to document, assess, validate and reconstruct in detail the body of knowledge in the physical and related sciences. The scope of EPJ Plus encompasses a broad landscape of fields and disciplines in the physical and related sciences - such as covered by the topical EPJ journals and with the explicit addition of geophysics, astrophysics, general relativity and cosmology, mathematical and quantum physics, classical and fluid mechanics, accelerator and medical physics, as well as physics techniques applied to any other topics, including energy, environment and cultural heritage.
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