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首页> 外文期刊>Physical review, D >Probing the type-II seesaw mechanism through the production of Higgs bosons at a lepton collider
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Probing the type-II seesaw mechanism through the production of Higgs bosons at a lepton collider

机译：通过在轻子对撞机上产生希格斯玻色子来探究​​II型跷跷板机制

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摘要

We investigate the production and decays of doubly-charged Higgs bosons for the Type-II seesaw mechanism at an e + e ? collider with two center of mass energies, s = 380 ? ? GeV and 3?TeV, and analyze the fully hadronic final states in detail. Lower mass ranges can be probed during the 380?GeV run of the collider, while high mass ranges, which are beyond the 13?TeV Large Hadron Collider discovery reach, can be probed with s = 3 ? ? TeV . For such a heavy Higgs boson, the final decay products are collimated, resulting in fat-jets. We perform a substructure analysis to reduce the background and find that a doubly-charged Higgs boson in the mass range 800–1120?GeV can be discovered during the 3?TeV run, with integrated luminosity L ～ 95 ? ? fb ? 1 of data. For 380?GeV center of mass energy, we find that for the doubly-charged Higgs boson in the range 160–172?GeV, a 5 σ significance can be achieved with only integrated luminosity L ～ 24 ? ? fb ? 1 . Therefore, a light Higgs boson can be discovered immediately during the run of a future e + e ? collider.
机译：我们研究了II型跷跷板机制在e + e处双电荷希格斯玻色子的产生和衰变。两个质心中心的对撞机，s = 380？ ？ GeV和3？TeV，并详细分析全强子最终态。在对撞机380？GeV运行期间，可以探测到较低的质量范围，而在13？TeV大强子对撞机发现范围之外的高质量范围，可以用s = 3？来探测。 ？ TeV。对于如此沉重的希格斯玻色子，最终的衰变产物将被准直，从而产生肥喷。我们进行了子结构分析以减少背景，发现在3？TeV运行期间可以发现质量范围为800-1120？GeV的双电荷希格斯玻色子，其综合光度L〜95?。 ？ fb？ 1个数据。对于380？GeV的质心，我们发现，对于160-172？GeV范围内的双电荷希格斯玻色子，仅积分光度L〜24？就可以达到5σ的显着性。 ？ fb？ 1。因此，在未来e + e？的运行期间，可以立即发现希格斯玻色子。对撞机。

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