方面：CMS实验非常正向区域中的新型颗粒探测器

论文标题

方面：CMS实验非常正向区域中的新型颗粒探测器

FACET: A new long-lived particle detector in the very forward region of the CMS experiment

论文作者

Cerci, S., Cerci, D. Sunar, Lazic, D., Landsberg, G., Cerutti, F., Sabate-Gilarte, M., Albrow, M. G., Berryhill, J., Green, D. R., Hirschauer, J., Kulkarni, S., Brucken, J. E., Emediato, L., Mestvirishvili, A., Nachtman, J., Onel, Y., Penzo, A., Aydilek, O., Hacisahinoglu, B., Ozkorucuklu, S., Sert, H., Simsek, C., Zorbilmez, C., Hos, I., Hadley, N., Skuja, A., Du, M., Fang, R., Liu, Z., Isildak, B., Tran, V. Q.

论文摘要

我们描述了一个建议在大型强子对撞机的高亮度时代的CMS实验中添加一组非常正向检测器的建议，以搜索超出标准模型的长寿命长颗粒，例如深色光子，重中性瘦素，轴突样颗粒和深色higgs boson。提出的子系统称为前向孔的CMS扩展，将对任何可以穿透至少50 m的磁化铁并衰减的颗粒敏感。衰减产品将在检测器中使用相同的技术对计划的CMS 2期升级进行测量。

We describe a proposal to add a set of very forward detectors to the CMS experiment for the high-luminosity era of the Large Hadron Collider to search for beyond the standard model long-lived particles, such as dark photons, heavy neutral leptons, axion-like particles, and dark Higgs bosons. The proposed subsystem is called FACET for Forward-Aperture CMS ExTension, and will be sensitive to any particles that can penetrate at least 50 m of magnetized iron and decay in an 18 m long, 1 m diameter vacuum pipe. The decay products will be measured in detectors using identical technology to the planned CMS Phase-2 upgrade.

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