alexi mccammond

[AzetSar]

The High Altitude Water Cherenkov (HAWC) observatory is a very high energy gamma-ray detector located in Mexico. In late 2018, the HAWC collaboration completed a major upgrade consisting of the addition of a sparse outrigger array of 345 small water Cherenkov detectors (WCDs) surrounding the 300 WCDs of the main array and extending the instrumented area by a factor of 4. It provides an improved reconstruction of the showers whose core and footprint are not well contained in the array and increases the effective area in the range of a few TeV to beyond 100 TeV. This improvement in sensitivity will help to have a better understanding of the Galactic sources that accelerate particles up to the knee of the cosmic ray spectrum. In this contribution, we will show the current status, the performance, and the first results from the HAWC outrigger array. The High Altitude Water Cherenkov (HAWC) is a very-high-energy gamma-ray observatory located at 4100 m altitude on the volcano Sierra Negra in the state of Puebla in central Mexico. However, pairing an organ that's likely to work given a patient's specific circumstances is complex, to say the least. Anne Huml, M.D., with Case Western Reserve University in an email interview. The data examined uncovered some unsettling trends. Sometimes a kidney comes along that could be a perfectly good match for the patient, but thee transplant center itself declines use of the organ for reasons that another program might not. Sumit Mohan, M.D. and Mariana Chiles, Ph.D. The findings have some pretty big implications for patients on the wait list, who typically spend long periods of time on dialysis waiting for a match. Huml says, noting that gender, race and socioeconomic disparities in access to kidney transplantation are nothing new. This study is the first to look at the refusal codes for deceased donor kidneys. Often, patients don't even know that kidneys are being offered and declined on their behalf. bbc p

















































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