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- Moortgat-Pick, G., et al.
(författare)
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Polarized positrons and electrons at the linear collider
- 2008
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Ingår i: Physics reports. - : Elsevier BV. - 0370-1573 .- 1873-6270. ; 460:4-5, s. 131-243
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Forskningsöversikt (refereegranskat)abstract
- The proposed International Linear Collider (ILC) is well-suited for discovering physics beyond the Standard Model and for precisely unraveling the structure of the underlying physics. The physics return can be maximized by the use of polarized beams. This report shows the paramount role of polarized beams and summarizes the benefits obtained from polarizing the positron beam, as well as the electron beam. The physics case for this option is illustrated explicitly by analyzing reference reactions in different physics scenarios. The results show that positron polarization, combined with the clean experimental environment provided by the linear collider, allows to improve strongly the potential of searches for new particles and the identification of their dynamics, which opens the road to resolve shortcomings of the Standard Model. The report also presents an overview of possible designs for polarizing both beams at the ILC, as well as for measuring their polarization.
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| 3. |
- Felnhofer, A, et al.
(författare)
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Anonymous birth: Biographical knowledge and dyadic coping in adoptive mothers and fathers
- 2023
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Ingår i: CURRENT PSYCHOLOGY. - : Springer Science and Business Media LLC. - 1046-1310 .- 1936-4733. ; 42:4, s. 2719-2732
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- Research on adoptive parents of anonymously born children is still scarce. Open issues are (1) examining how much biographical information is available to adoptive parents, (2) considering differences between adoptive mothers and fathers, and (3) understanding what affects their dyadic coping. Hence, this study set out to compare adoptive mothers’ and fathers’ mental health, attachment styles, dyadic coping, and biographical knowledge, and to identify predictors of dyadic coping. 62 mothers and 40 fathers (mean age: 46 years) raising an anonymously born adoptee answered online or paper-pencil versions of the Brief Symptom Inventory, Vulnerable Attachment Style Questionnaire, Dyadic Coping Inventory, Child Behavior Checklist, and a checklist of biographical data. Descriptive analyses showed that biographical knowledge was generally low in adoptive parents. More information was available on the birth mother than the birth father, with letters being the most common memorial. Furthermore, student t-tests revealed few differences: adoptive mothers reported to be more anxious and rated their ability to communicate stress and common dyadic coping as higher than did adoptive fathers. Finally, a hierarchical linear regression identified knowledge of more biographical data, parents’ older age as well as child’s younger age and higher psychopathology scores as predictors of better adoptive parents’ dyadic coping. These findings highlight the difficult task of gathering biographical information whilst maintaining the birth mother’s anonymity. They also stress the need of further research which may inform policies tailored to the specific needs of adoptive parents in the context of anonymous birth.
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