A simulated search for the singlet vector-like bottom quark decaying into tW at high energy pp colliders

被引：0
|
作者：
Han, Jinzhong [1 ]
Shang, Liangliang [2 ]
Yang, Bingfang [2 ]
机构：
[1] Zhoukou Normal Univ, Sch Phys & Telecommun Engn, Zhoukou 466001, Peoples R China
[2] Henan Normal Univ, Sch Phys, Xinxiang 453007, Peoples R China
来源：
EUROPEAN PHYSICAL JOURNAL C | 2023年 / 83卷 / 09期
关键词：
D O I：
10.1140/epjc/s10052-023-12010-y
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
In a framework of simplified model, we perform a simulated search for the singlet vector-like bottom quark B decaying into tW with t hadronic decay and W leptonic decay at the 14 TeV high-luminosity LHC (HL-LHC), 27 TeV high energy LHC (HE-LHC) and 100 TeV Future Circular Hadron Collider (FCC-hh). In this work, we focus on the case that the B only couples with the third generation quarks of the Standard Model. We make a detailed detector simulations of the signal and backgrounds and obtain the 2 sigma exclusion limit and 5 sigma discovery prospects. Our results show that the upcoming HL-LHC can exclude (discover) the m (B) to 2100 (1900) GeV for a typical coupling strength g* = 0.2. For the HE-LHC (FCC-hh), this exclusion capability on the B quark mass can be expanded to more than 3000 (5000) GeV.
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页数：9
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