New SRP chokes for powerful DC-DC converters. Free Technical Library News

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New SRP Chokes for Powerful DC-DC Converters

07.07.2019

Bourns has announced the expansion of its line of shielded high current chokes with five new series at once: SRP7028C, SRP1038C, SRP1770C, SRP5050FA and SRP7030CA.

These chokes are made using flat wire and a powdered metal alloy core, resulting in low DC resistance and low resistive losses. Other advantages of these inductors are high operating and saturation current, low noise, excellent thermal stability, and a fully shielded frame for low magnetic emissions.

All series are AEC-Q200 certified, which makes them suitable for use in automotive electronics. Other relevant areas of application for the new chokes will be DC/DC converters and power supplies for industrial products, the telecommunications market and medical equipment.

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Higgs boson lifespan measured 14.12.2021

Physicists working on the CMS detectorScientists for the first time managed to measure the lifespan of the Higgs boson - 210 yoctoseconds of the Large Hadron Collider, for the first time were able to accurately measure how long the Higgs boson lives. It was known that this elementary particle exists for a very short time: only less than one trillion billionth of a second, or 1.6?10-22 seconds.

But scientists needed to experimentally more accurately calculate the lifetime of the particle. This would allow them to understand its nature and find out if this value corresponds to the value predicted by the Standard Model of particle physics. And yes, it matched.

According to the theory, the experiments established only the boundaries of the lifetime of the particle or determined this property with a large error. Measuring the lifetime of the Higgs boson is a difficult task because its predicted lifetime is too short. One possible solution was to measure a related property, the width of the mass. The mass width is inversely proportional to the lifetime. In addition, it represents a small range of possible masses around the nominal particle mass of 125 GeV.

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Scientists for the first time managed to measure the lifespan of the Higgs boson - 210 yoctoseconds, which themselves are transformed into four charged leptons

Scientists for the first time managed to measure the lifespan of the Higgs boson - 210 yoctoseconds
Reconstruction of an event in the CMS detector where a Higgs boson candidate is accompanied by two high-energy particle jets (yellow cones). The candidate Higgs boson decays into a muon-antimuon pair (red bands) and a neutrino-antineutrino pair. The last pair cannot be detected in the experiment, which leads to the absence of a transverse momentum (purple arrow) with respect to the beam direction.

Scientists have obtained the first evidence of the formation of Higgs bosons outside the shell. The result suggests that the lifetime of the Higgs boson is 210 yoctoseconds - that's on the order of septillionths of a second, or decimal point, followed by 22 zeros - (+2,3/-0,9) x 10^22.

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