34 research outputs found

    Combination of searches for Higgs boson decays into a photon and a massless dark photon using pp collisions at √s = 13 TeV with the ATLAS detector

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    A combination of searches for Higgs boson decays into a visible photon and a massless dark photon (H → γγd) is presented using 139 fb−1 of proton-proton collision data at a centre-of-mass energy of √s = 13 TeV recorded by the ATLAS detector at the Large Hadron Collider. The observed (expected) 95% confidence level upper limit on the Standard Model Higgs boson decay branching ratio is determined to be B(H → γγd) < 1.3% (1.5)%. The search is also sensitive to higher-mass Higgs bosons decaying into the same final state. The observed (expected) 95% confidence level limit on the cross-section times branching ratio ranges from 16 fb (20 fb) for mH = 400 GeV to 1.0 fb (1.5 fb) for mH = 3 TeV. Results are also interpreted in the context of a minimal simplified model

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    Not AvailableSeventeen adult pleuriparous camel belonging to National Research Centre on Camel, Bikaner, India were examined for presence of follicle (>10 mm diameter) with the help of ultrasound scanner. They were mated with a virile stud and blood samples were collected immediately after mating (day 0) followed by day 7, 14, 21, 30 and 45 post mating. Sera were analysed for progesterone concentration to determine status of pregnancy. Failure of fertilization and/or nidation (66.7%) and inovulation (33.3%) were observed to be the main causes of pregnancy failures. No case of early embryonic mortality (between day 21 and 45) was observed in this study.Not Availabl

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