用蒙特卡罗模拟在LHC寻找重Majorana中微子
Search for Heavy Majorana Neutrinos at LHC using Monte Carlo simulation
摘要：
重中微子可以在LHC中被发现。对标准模型的许多扩展都预言了在LHC中新中微子的存在。B-L模型中的一个预测了存在三个重（右手）中微子，每一代一个，新的规范大质量玻色子和新的标量希格斯玻色子，而不是SM希格斯。本文利用B-L模型的蒙特卡罗模拟得到的不同质心能量下的数据，在LHC质子-质子碰撞产生的4轻子+丢失能量末态事件中寻找重中微子。我们预言，重中微子对可以从Z' B-L新规范中性大质量玻色子衰变中产生，然后衰变到4轻子+丢失能量的末态，这为我们在LHC上进行标准模型的B-L扩展提供了在更高能量下超越标准模型的新物理的新信号。
英文摘要：
Heavy neutrinos can be discovered at LHC. Many extensions for Standard Model predict by existing of new neutrino has a mass at high energies at LHC. B-L model one of them that predict by existence three heavy (right-handed) neutrinos one per generation, new gauge massive boson and new scalar Higgs boson rather than SM Higgs. In this work we search for heavy neutrino in 4 leptons + missing energy final state events produced in proton-proton collisions at LHC using data produced from Monte Carlo simulation for B-L model at different center of mass energies. We predict that the heavy neutrinos pairs can be produced from Z' B-L new gauge neutral massive boson decay and then the heavy neutrino pairs can decay to 4 leptons + missing energy final state which give us an indication for new signatures of new physics beyond Standard Model at higher energies at LHC for B-L extension of Standard Model .
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