SModelS v1.2: Long-lived particles, combination of signal regions, and other novelties
نویسندگان
چکیده
منابع مشابه
Search for charged massive long-lived particles.
We report on a search for charged massive long-lived particles (CMLLPs), based on 5.2 fb(-1) of integrated luminosity collected with the D0 detector at the Fermilab Tevatron pp collider. We search for events in which one or more particles are reconstructed as muons but have speed and ionization energy loss (dE/dx) inconsistent with muons produced in beam collisions. CMLLPs are predicted in sev...
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15 صفحه اولThe Relic Abundance of Long-lived Heavy Colored Particles
Long-lived colored particles with masses m >∼ 200 GeV are allowed by current accelerator searches, and are predicted by a number of scenarios for physics beyond the standard model. We argue that such “heavy partons” effectively have a geometrical cross section (of order 10 mb) for annihilation at temperatures below the QCD deconfinement transition. The annihilation process involves the formatio...
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Several searches for long-lived particles have been performed using data from pp̄ collisions from Run II at the Tevatron. In most cases, new analysis techniques have been developed to carry out each search and/or estimate the backgrounds. These searches expand the discovery potential of the CDF and D0 experiments to new physics that may have been missed by traditional search techniques. This rev...
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ژورنال
عنوان ژورنال: Computer Physics Communications
سال: 2020
ISSN: 0010-4655
DOI: 10.1016/j.cpc.2019.07.013