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arXiv 1412.2140hep-phastro-ph.COastro-ph.HEhep-ex
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强子对撞机和神冈上的质子湮灭:高能与高亮度

Proton annihilation at hadron colliders and Kamioka: high-energy versus high-luminosity

Joseph Bramante, Jason Kumar, John Learned

摘要:

我们研究了质子湮灭为双轻子的模型和前景,这是一个违反重子和轻子数各两的过程。我们确定,目前超级神冈会把最严厉的限制在$pp \rightarrow \ell^+ \ell^+$,排除新的物理低于$\sim 1.6$ TeV的规模。我们也发现现在和未来的强子对撞机对这些过程的敏感性。虽然8 TeV的LHC数据排除了$\sim 800$ GeV以下的新物理,但14 TeV的LHC运行的范围是$\sim 1.8$ TeV,使其与超级神冈的灵敏度相当。另一方面,100 TeV的质子-质子对撞机将对高达10 TeV的质子湮灭敏感,使其远远超过Super-Kamiokande的范围和Hyper-Kamiokande预计的2 TeV范围。来自中子星观测和宇宙学演化的约束是不竞争的。因此,虽然高亮度水切伦科夫实验目前把重子和轻子数违反的领先界限,下一代高能强子对撞机将开始超越他们的灵敏度,一些$B/L$违反过程。

英文摘要:

We examine models and prospects for proton annihilation to dileptons, a process which violates baryon and lepton number each by two. We determine that currently Super-Kamiokande would place the most draconian bound on $pp \rightarrow \ell^+ \ell^+$, ruling out new physics below a scale of $\sim 1.6$ TeV. We also find present and future hadron collider sensitivity to these processes. While 8 TeV LHC data excludes new physics at a scale below $\sim 800$ GeV, the reach of a 14 TeV LHC run is $\sim 1.8$ TeV, putting it on par with the sensitivity of Super-Kamiokande. On the other hand, a 100 TeV proton-proton collider would be sensitive to proton annihilation at a scale up to 10 TeV, allowing it to far exceed the reach of both Super-Kamiokande and the projected 2 TeV reach of Hyper-Kamiokande. Constraints from neutron star observation and cosmological evolution are not competitive. Therefore, although high-luminosity water Cherenkov experiments currently place the leading bounds on baryon and lepton number violation, next generation high-energy hadron colliders will begin surpassing them in sensitivity to some $B/L$-violating processes.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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