In 2017 CMS recorded a unique collision event featuring four-particle jets in the last case. The fixed weight of all four aircraft was 8 TeV, and the jets could be split into two pairs with a constant weight of 1.9 TeV each. Such configurations can be generated when a new 8 TeV particle is created when a proton beam collides. It later decomposes into a pair — and particles — fresh, with a mass of 1.9 TeV. In a new analysis recently published by CMS, a search for twin pairs of gadgets with the same fixed size was performed on data collected until LHC Run 2. Surprisingly, the second event with the same sharp features was found, with a 4. -the jet mass of 8.6 TeV and 2-jet mass of 2.15 TeV. These two events can be seen in the building below, where 4-jet events are classified as 2-jet activity and 4-jet group.

Although solid interactions between colliding photons produce almost all visual events with two pairs of jets, events with such a constant high frequency are much less likely. The chances of seeing two events in these crowds without new possibilities are in line 1 out of 20,000, corresponding to a local value of 3.9σ. While this may seem like a powerful signal at first glance, considering that the mass spectrum is large, it is also essential to consider the global significance, which indicates the potential for overcrowding anywhere in the analyzed area. In both cases, the global value is 1.6σ.

Two other searches of new hard particles report small data overload. In the search for multiple dissonances decomposing into W bosons (then decomposing into leptons), the highest deviation is accompanied by a signal hypothesis weighing 650 GeV, with a local value of 3.8σ and a global value of 2.6σ. In searching for decaying heavy particles into chest pairs (WW, WZ, or other compounds, including Higgs bosons) that will rot into pairs of jets, the data differs from what is expected in two areas. The signal hypothesis is a W ‘boson weighing 2.1 or 2.9 TeV, which decomposes into a pair of WZ and the maximum local value is 3.6σ, with a global value of 2.3σ.

Another new result comes from a search that required additional Higgs boson particles that decompose into tau pears. In the new 100 GeV particle, there is a slight data detection with a value of 3.1σ and 2.7σ global values. Interestingly, this is consistent with the same excesses that the CMS detected in previous searches of low-volume resonances in the final two images. The other extreme is the high frequency, with the most significant deviation of expectations seen at a weight of 1.2 TeV with a local (global) value of 2.8σ (2.4σ).

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Alice is the Chief Editor with relevant experience of three years, Alice has founded Galaxy Reporters. She has a keen interest in the field of science. She is the pillar behind the in-depth coverages of Science news. She has written several papers and high-level documentation.


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