未来对撞机中的长寿命粒子

IF 0.9 4区 物理与天体物理 Q3 PHYSICS, MULTIDISCIPLINARY Acta Physica Polonica B Pub Date : 2021-02-15 DOI:10.5506/APhysPolB.52.953
Rebeca Gonzalez Suarez
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引用次数: 0

摘要

长寿命粒子的寿命足够长,当在碰撞中产生时,会在探测器中留下明显的特征。在越来越高的能量的驱动下,粒子对撞机的触发和重建算法针对越来越重的粒子进行了优化,而这些粒子往往是短命的。这使得搜索长寿命粒子变得困难,通常需要专门的方法,有时还需要专门的硬件来找到它们。然而,迎接这一挑战带来了巨大的潜力,因为新的长寿命粒子出现在各种有前景的新物理模型中,这些模型可以回答标准模型中的大多数悬而未决的问题,例如:中微子质量、暗物质或宇宙中的物质-反物质不平衡。
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Long-lived Particles at Future Colliders
Long-lived particles have significant enough lifetimes as to, when produced in collisions, leave a distinct signature in the detectors. Driven by increasingly higher energies, trigger and reconstruction algorithms at particle colliders are optimized for increasingly heavier particles, which in turn, tend to be short-lived. This makes searches for long-lived particles difficult, usually requiring dedicated methods and sometimes dedicated hardware top spot them. However, taking upon the challenge brings enormous potential, since new, long-lived particles feature in a variety of promising new physics models that could answer most of the open questions of the standard model, such as: neutrino masses, Dark Matter, or the matter-antimatter unbalance in the Universe.
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来源期刊
Acta Physica Polonica B
Acta Physica Polonica B 物理-物理:综合
CiteScore
1.70
自引率
20.00%
发文量
30
审稿时长
3-8 weeks
期刊介绍: Acta Physica Polonica B covers the following areas of physics: -General and Mathematical Physics- Particle Physics and Field Theory- Nuclear Physics- Theory of Relativity and Astrophysics- Statistical Physics
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