1,862 research outputs found
Hybrid Pixel Detector Development for the Linear Collider Vertex Tracker
In order to fully exploit the physics potential of the future high energy
e+e- linear collider, a Vertex Tracker able to provide particle track
extrapolation with very high resolution is needed. Hybrid Si pixel sensors are
an attractive technology due to their fast read-out capabilities and radiation
hardness. A novel pixel detector layout with interleaved cells has been
developed to improve the single point resolution. Results of the
characterisation of the first processed prototypes by electrostatic
measurements and charge collection studies are discussed.Comment: 5 pages, 1 figure, to appear in the Proceedings of the 9th Int.
Workshop on Vertex Detectors, Lake Michigan MI (USA), September~200
Characterisation of Hybrid Pixel Detectors with capacitive charge division
In order to fully exploit the physics potential of the future high energy e+
e- linear collider, a Vertex Tracker providing high resolution track
reconstruction is required. Hybrid pixel sensors are an attractive technology
due to their fast read-out capabilities and radiation hardness. A novel pixel
detector layout with interleaved cells between the readout nodes has been
developed to improve the single point resolution. The results of the
characterisation of the first processed prototypes are reported.Comment: 5 pages, 2 figures, presented at LCWS2000, Linear Collider Workshop,
October 24-28 2000, Fermi National Accelerator Laboratory, Batavia, Illinois,
U.S.A. Proceedings to be published by the American Institute of Physic
Body dysmorphic disorder in patients with acne: treatment challenges
Body dysmorphic disorder (BDD) is defined as a constant preoccupation with one or more non-existent or slight defects or flaws in the physical appearance, often resulting in repetitive behaviours like mirror checking and camouflaging. The prevalence is around 2% in the general population with up to 10% in dermatology patients. The prevalence of BDD in patients with acne ranges between 9% and 15%. BDD is associated with considerable psychosocial deterioration, poor quality of life, and development of comorbid mental health disorders, including obsessive compulsive disorder, depression, social anxiety and alcohol or illicit drug use. Such patients suffer tremendously and are at high risk of suicide. The rate of suicidal ideation reaches 79.5%. Of this number, nearly 27.6% make failed suicidal attempts each year and 0.3% of these attempts are successful..
A Pixel Vertex Tracker for the TESLA Detector
In order to fully exploit the physics potential of a e+e- linear collider,
such as TESLA, a Vertex Tracker providing high resolution track reconstruction
is required. Hybrid Silicon pixel sensors are an attractive sensor technology
option due to their read-out speed and radiation hardness, favoured in the high
rate TESLA environment, but have been so far limited by the achievable single
point space resolution. A novel layout of pixel detectors with interleaved
cells to improve their spatial resolution is introduced and the results of the
characterisation of a first set of test structures are discussed. In this note,
a conceptual design of the TESLA Vertex Tracker, based on hybrid pixel sensors
is presentedComment: 20 pages, 11 figure
Patient-reported experience and quality of care for people with schizophrenia
BACKGROUND: Evidence is mounting that patient-reported experience can provide a valuable indicator of the quality of healthcare services. However, little is known about the relationship between the experiences of people with severe mental illness and the quality of care they receive. We conducted a study to examine the relationship between patient-reported experience and the quality of care provided to people with schizophrenia. METHODS: We calculated a composite global rating of quality of care for people with schizophrenia using data from an audit of 64 mental health providers. We then examined associations between these ratings and mean patient satisfaction and patient-rated outcome using data from a survey of 5608 schizophrenic patients treated in these services. RESULTS: Global rating of quality of care was positively correlated with patient-rated outcome (r = 0.33; p = 0.01) but not with patient satisfaction (r = 0.21, p = 0.10). Patient-rated outcome was also positively correlated with patient involvement (r = 0.26, p = 0.04) and the quality of prescribing practice (r = 0.31, p = 0.02). High patient satisfaction scores were significantly associated with the extent of use of care plans within each organisation (r = 0.27, p = 0.03). CONCLUSIONS: Among people with schizophrenia, patient-rated outcome provides a better guide to the quality of care than patient-rated satisfaction. Greater use of patient-reported outcome measures should be made when assessing the quality of care provided to people with psychosis
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