Carbon burning is a critical phase for nucleosynthesis in massive stars. The conditions for igniting this burning stage, and the subsequent isotope composition of the resulting ashes, depend strongly ...on the reaction rate for 12C+12C fusion at very low energies. Results for the cross sections for this reaction are influenced by various backgrounds encountered in measurements at such energies. In this paper, we report on a new measurement of 12C+12C fusion cross sections where these backgrounds have been minimized. It is found that the astrophysical S factor exhibits a maximum around Ecm=3.5–4.0 MeV, which leads to a reduction of the previously predicted astrophysical reaction rate.
Micro-X is a sounding rocket-borne instrument that uses a microcalorimeter array to perform high-resolution X-ray spectroscopy. This instrument flew for the first time on July 22nd, 2018, from the ...White Sands Missile Range, USA. This flight marks the first successful operation of a transition-edge sensor array and its time-division multiplexing readout system in space. This launch was dedicated to the observation of the supernova remnant Cassiopeia A. A failure in the attitude control system prevented the rocket from pointing and led to no time on target. The onboard calibration source provided X-rays in flight, and it is used to compare detector performance during preflight integration, flight, and after the successful post-flight recovery. This calibration data demonstrate the capabilities of the detector in a space environment as well as its potential for future flight.
The Micro-X sounding rocket flew for the first time on July 22, 2018, becoming the first program to fly Transition-Edge Sensors and multiplexing SQUID readout electronics in space. While a rocket ...pointing failure led to no time on-target, the success of the flight systems was demonstrated. The successful flight operation of the instrument puts the program in a position to modify the payload for indirect galactic dark matter searches. The payload modifications are motivated by the science requirements of this observation. Micro-X can achieve world-leading sensitivity in the keV regime with a single flight. Dark matter sensitivity projections have been updated to include recent observations and the expected sensitivity of Micro-X to these observed fluxes. If a signal is seen (as seen in the X-ray satellites), Micro-X can differentiate an atomic line from a dark matter signature.
Background
Workforce inclusion is an important political goal in many countries. However, nearly 70% of Norwegians registered with mild intellectual disabilities (IDs) are not registered employed or ...attending in day care centres. This study investigates the association between age, gender, functional level and hospital admissions with employment or attendance in public financed, community‐based day care centres for adults with mild IDs in Norway.
Method
This study is based on data from a linkage of the national population‐based registries from 2013 to 2015: Statistics Norway (SSB), the Norwegian Information System for the Nursing and Care Sector (IPLOS) and the Norwegian Patient Registry (NPR). The sample consisted of 2370 adults registered with a mild ID, receiving disability pension in Norway, aged 18–67 years. Binary and multinomial logistic analyses, adjusted for age, gender, functional level and hospital admissions, were performed.
Results
In 2015, 45.7% and 19.6% of the samples aged 20–31 and 52–63 years, respectively, were registered as employed or in day care centres. Participation in day care is a public service registered in IPLOS, which requires registration of functional level, while attendance in employment support is registered in SSB, where functional level is not registered. Compared with people registered with a high functional level, the probability of being employed or in day care centres was lower for people without registration of functional level. People with hospital admissions were less likely to be employed, especially if they had both psychiatric and somatic hospital admissions. People were less likely to attend day care and open employment only if they had a combination of both types of hospital admissions. Attendance in day care centres was less likely for men than women.
Conclusions
Older people with mild ID, without registered functional level (meaning not receiving public community‐based services) and with a history of hospital admissions were significantly less likely to be employed or participate in day care centres. The clear association between not being employed or attending day care centres and not having one's functional level registered implies there is a need for increased focus on how to enhance work participation among people with mild IDs who are not within the system of receiving public services.
Micro-X is a sounding rocket-borne X-ray telescope that uses a transition edge sensor microcalorimeter array to provide high-energy-resolution spectroscopy. Micro-X is a versatile instrument with ...plans to observe the Puppis A supernova remnant during its first flight, as well as future observations of the Milky Way to search for X-ray signals from decaying dark matter. Commissioning and functionality testing are complete, and the thermal performance of the system has been validated. We are currently evaluating the detector performance in the flight cryostat with the flight multiplexing electronics. Operating in this setup has allowed us to characterize sources of detector and readout noise, as well as to implement mitigation techniques to improve performance in anticipation of the upcoming flight. We present an overview of important noise considerations in addition to an update on latest detector performance.
Ricochet Progress and Status Augier, C.; Beaulieu, G.; Belov, V. ...
Journal of low temperature physics,
08/2023, Volume:
212, Issue:
3-4
Journal Article
Peer reviewed
Open access
We present an overview of recent progress toward the
Ricochet
coherent elastic neutrino nucleus scattering (CE
ν
NS) experiment. The ILL research reactor in Grenoble, France has been selected as the ...experiment site, after in situ studies of vibration and particle backgrounds. We present background rate estimates specific to that site, along with descriptions of the planned CryoCube and Q-Array detector payloads.
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