| 1. |
- Bravo, L, et al.
(författare)
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- 2021
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swepub:Mat__t
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| 2. |
- Tabiri, S, et al.
(författare)
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- 2021
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swepub:Mat__t
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| 3. |
- Aad, G, et al.
(författare)
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- 2015
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swepub:Mat__t
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| 4. |
- Alimena, Juliette, et al.
(författare)
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Searching for long-lived particles beyond the Standard Model at the Large Hadron Collider
- 2020
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Ingår i: Journal of Physics G. - : IOP Publishing. - 0954-3899 .- 1361-6471. ; 47:9
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Tidskriftsartikel (refereegranskat)abstract
- Particles beyond the Standard Model (SM) can generically have lifetimes that are long compared to SM particles at the weak scale. When produced at experiments such as the Large Hadron Collider (LHC) at CERN, these long-lived particles (LLPs) can decay far from the interaction vertex of the primary proton-proton collision. Such LLP signatures are distinct from those of promptly decaying particles that are targeted by the majority of searches for new physics at the LHC, often requiring customized techniques to identify, for example, significantly displaced decay vertices, tracks with atypical properties, and short track segments. Given their non-standard nature, a comprehensive overview of LLP signatures at the LHC is beneficial to ensure that possible avenues of the discovery of new physics are not overlooked. Here we report on the joint work of a community of theorists and experimentalists with the ATLAS, CMS, and LHCb experiments-as well as those working on dedicated experiments such as MoEDAL, milliQan, MATHUSLA, CODEX-b, and FASER-to survey the current state of LLP searches at the LHC, and to chart a path for the development of LLP searches into the future, both in the upcoming Run 3 and at the high-luminosity LHC. The work is organized around the current and future potential capabilities of LHC experiments to generally discover new LLPs, and takes a signature-based approach to surveying classes of models that give rise to LLPs rather than emphasizing any particular theory motivation. We develop a set of simplified models; assess the coverage of current searches; document known, often unexpected backgrounds; explore the capabilities of proposed detector upgrades; provide recommendations for the presentation of search results; and look towards the newest frontiers, namely high-multiplicity 'dark showers', highlighting opportunities for expanding the LHC reach for these signals.
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| 5. |
- Billstedt, Eva, 1961, et al.
(författare)
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A 37-year prospective study of neuroticism and extraversion in women followed from mid-life to late life.
- 2014
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Ingår i: Acta psychiatrica Scandinavica. - : Wiley. - 1600-0447 .- 0001-690X. ; 129:1, s. 35-43
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Tidskriftsartikel (refereegranskat)abstract
- OBJECTIVE: Personality traits are presumed to endure over time, but the literature regarding older age is sparse. Furthermore, interpretation may be hampered by the presence of dementia-related personality changes. The aim was to study stability in neuroticism and extraversion in a population sample of women who were followed from mid-life to late life. METHOD: A population-based sample of women born in 1918, 1922 or 1930 was examined with the Eysenck Personality Inventory (EPI) in 1968-1969. EPI was assessed after 37years in 2005-2006 (n=153). Data from an interim examination after 24years were analysed for the subsample born in 1918 and 1922 (n=75). Women who developed dementia at follow-up examinations were excluded from the analyses. RESULTS: Mean levels of neuroticism and extraversion were stable at both follow-ups. Rank-order and linear correlations between baseline and 37-year follow-up were moderate ranging between 0.49 and 0.69. Individual changes were observed, and only 25% of the variance in personality traits in 2005-2006 could be explained by traits in 1968-1969. CONCLUSION: Personality is stable at the population level, but there is significant individual variability. These changes could not be attributed to dementia. Research is needed to examine determinants of these changes, as well as their clinical implications.
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| 6. |
- Billstedt, Eva, 1961, et al.
(författare)
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Secular changes in personality: study on 75-year-olds examined in 1976-1977 and 2005-2006.
- 2013
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Ingår i: International Journal of Geriatric Psychiatry. - : Wiley. - 0885-6230 .- 1099-1166. ; 28:3, s. 298-304
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Tidskriftsartikel (refereegranskat)abstract
- OBJECTIVE: In order to study secular changes in personality factors neuroticism and extroversion, representative population samples of non-demented 75-year-olds underwent psychiatric examinations in 1976-1977 (total n=223, 138 women, 85 men) and 2005-2006 (total n=556, 322 women and 234 men). METHODS: Eysenck Personality Inventory was used at both occasions. Demographic factors (educational level, marital status, having children) were registered. RESULTS: Seventy-five-year-olds examined in 2005-2006 had higher values on extroversion and lower values on the Lie scale compared with those examined in 1976-1977. Neuroticism did not differ between the two birth cohorts. Neuroticism scores were higher in women than in men both in 1976-1977 and 2005-2006, and Lie score was higher in women than in men in 2005-2006. CONCLUSIONS: Our findings suggest that present cohorts of 75-year-olds are more extroverted and less prone to respond in a socially desirable manner than those born three decades earlier. Neuroticism levels remained unchanged, suggesting this trait may be less influenced by environmental factors than the other traits studied.
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| 7. |
- Fredén Klenfeldt, Isak, 1980, et al.
(författare)
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Prevalence of Obsessive-compulsive Disorder in Relation to Depression and Cognition in an Elderly Population
- 2014
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Ingår i: The American journal of geriatric psychiatry. - : Elsevier BV. - 1064-7481. ; 22:3, s. 301-308
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Tidskriftsartikel (refereegranskat)abstract
- Objectives We examined the 1-month prevalence of obsessive-compulsive disorder (OCD) and obsessive-compulsive symptoms (OCS) not fulfilling OCD criteria in relation to sex, age, social and mental function, comorbid depression, and cognitive functioning in an elderly nondemented population. Settings and Participants Population-based sample (N = 900), stratified into two age groups: 70-year-olds (335 women and 224 men) and those aged 78 and above (341 women). Measurements Semi-structured interviews. Psychiatric symptoms were assessed with the Comprehensive Psychopathological Rating Scale and Mini-International Neuropsychiatric Interview, mental and social function with the GAF-scale, memory function with the Word Recall Task and general cognition with MMSE. OCD and Depression were diagnosed according to DSM-IV. Results The one-month prevalence of OCD was 2.9%; a further 21% had OCS. Among 70-year-olds, the prevalence of OCD was 1.3% in men and 4.5% in women. Depression was more common among those with OCD (34.6%) than among those with (12.7%) and without (8.0%) OCS. GAF-score was lower among those with OCD (74.8) and OCS (82.9) compared with individuals without obsessions and compulsions (88.2). The association between OCD and GAF-score remained after adjustment for age, sex, and depression. The OCD subgroup with checking behavior had more memory and concentration problems and did worse on Word Recall Task than other groups in our sample. Conclusions We found that OCD and OCS are common among the elderly. Both conditions are related to depression and poorer mental and social functioning. Physicians who meet elderly patients need to be aware of OCD as it is potentially treatable.
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| 8. |
- Hultenheim Klintberg, Ingrid, 1959, et al.
(författare)
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Western Ontario Osteoarthritis Shoulder (WOOS) index: a cross-cultural adaptation into Swedish, including evaluation of reliability, validity, and responsiveness in patients with subacromial pain
- 2012
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Ingår i: Journal of Shoulder and Elbow Surgery. - : Elsevier BV. - 1058-2746. ; 21:12, s. 1698-1705
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Tidskriftsartikel (refereegranskat)abstract
- Background: The aim of the present study was to translate the Western Ontario Osteoarthritis Shoulder (WOOS) index into Swedish and to test its validity, reliability, and responsiveness in patients with subacromial pain. Methods: The validity of the WOOS translation was tested in 54 patients who completed the WOOS and the Shoulder Rating Questionnaire, Swedish version (SRQs). Of these patients, 46 were retested to assess reliability. Responsiveness was evaluated in 29 subjects who completed the WOOS and SRQs before surgery and again at 3 months after surgery, when they also rated perceived change in shoulder function. The relationship between the questionnaires and patient-perceived improvement was assessed. Results: A high correlation was found between the Swedish version of WOOS and the SRQs. The correlations were similar in a group of working patients (r = -0.832) and in all patients (r = -0.843; P<.001). A high degree of agreement between WOOS at test and retest was also observed. A Bland-Altman plot showed a small mean difference and no trend across the range of WOOS values. A strong significant agreement was also shown by a kappa value of 0.649 (P<.001) and an intraclass correlation coefficient of 0.95 (95% confidence interval, 0.92-0.97, P<.001) as well as by a low difference between the test and retest means. Responsiveness, calculated by standardized response mean, was excellent (1.02). Conclusion: The results of the present study provide evidence that the Swedish version of WOOS is valid, reliable, and responsive in patients with subacromial pain and performs similarly to the original Canadian version. Level of evidence: Development or Validation of Outcomes Instruments Study. (C) 2012 Journal of Shoulder and Elbow Surgery Board of Trustees.
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| 9. |
- Jaraj, Daniel, et al.
(författare)
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Estimated ventricle size using Evans index: reference values from a population-based sample.
- 2017
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Ingår i: European Journal of Neurology. - : Wiley. - 1351-5101 .- 1468-1331. ; 24:3, s. 468-474
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Tidskriftsartikel (refereegranskat)abstract
- Background and purpose Evans index is an estimate of ventricular size used in the diagnosis of idiopathic normal-pressure hydrocephalus (iNPH). Values >0.3 are considered pathological and are required by guidelines for the diagnosis of iNPH. However, there are no previous epidemiological studies on Evans index, and normal values in adults are thus not precisely known. We examined a representative sample to obtain reference values and descriptive data on Evans index. Methods A population-based sample (n = 1235) of men and women aged ≥70 years was examined. The sample comprised people living in private households and residential care, systematically selected from the Swedish population register. Neuropsychiatric examinations, including head computed tomography, were performed between 1986 and 2000. Results Evans index ranged from 0.11 to 0.46. The mean value in the total sample was 0.28 (SD, 0.04) and 20.6% (n = 255) had values >0.3. Among men aged ≥80 years, the mean value of Evans index was 0.3 (SD, 0.03). Individuals with dementia had a mean value of Evans index of 0.31 (SD, 0.05) and those with radiological signs of iNPH had a mean value of 0.36 (SD, 0.04). Conclusions A substantial number of subjects had ventricular enlargement according to current criteria. Clinicians and researchers need to be aware of the range of values among older individuals.
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| 10. |
- Jaraj, Daniel, et al.
(författare)
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Mortality and risk of dementia in normal-pressure hydrocephalus: A population study.
- 2017
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Ingår i: Alzheimer's & Dementia. - : Wiley. - 1552-5260 .- 1552-5279. ; 13:8, s. 850-857
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Tidskriftsartikel (refereegranskat)abstract
- Introduction We examined mortality, dementia, and progression of hydrocephalic symptoms among untreated individuals with idiopathic normal-pressure hydrocephalus (iNPH) in a population-based sample. Methods A total of 1235 persons were examined between 1986 and 2012. Shunted individuals were excluded. We examined 53 persons with hydrocephalic ventricular enlargement (probable iNPH: n = 24, asymptomatic or possible iNPH: n = 29). Comparisons were made with individuals without hydrocephalic ventricular enlargement. Results The 5-year mortality was 87.5% among those with probable iNPH. The hazard ratio (HR) for death was 3.8 (95% confidence interval [CI]: 2.5–6.0) for probable iNPH. Those with possible iNPH and asymptomatic hydrocephalic ventricular enlargement had increased risk of developing dementia, HR 2.8 (95% CI: 1.5–5.2). Only two individuals with hydrocephalic ventricular enlargement remained asymptomatic. Discussion In the present sample, persons with clinical and imaging signs of iNPH had excess mortality and an increased risk of dementia. The data also suggest that radiological signs of iNPH might be more important than previously supposed.
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