Heavy pseudoscalar mesons in a Schwinger-Dyson--Bethe-Salpeter approach

The mass spectrum of heavy pseudoscalar mesons, described as quark-antiquark bound systems, is considered within the Bethe-Salpeter formalism with momentum-dependent masses of the constituents. This dependence is found by solving the Schwinger-Dyson equation for quark propagators in rainbow-ladder approximation. Such an approximation is known to provide both a fast convergence of numerical methods and accurate results for lightest mesons. However, as the meson mass increases, the method becomes less stable and special attention must be devoted to details of numerical means of solving the corresponding equations. We focus on the pseudoscalar sector and show that our numerical scheme describes fairly accurately the $\pi$, $K$, $D$, $D_s$ and $\eta_c$ ground states. Excited states are considered as well. Our calculations are directly related to the future physics programme at FAIR.Comment: 9 pages, 3 figures; Based on materials of the contribution "Relativistic Description of Two- and Three-Body Systems in Nuclear Physics", ECT*, October 19-23, 200

Beyond Legalism in Turbulent Times: Re-grounding UK Social Work in a Richer International Human Rights Perspective

Human rights have always been intrinsically woven into social work, but in the UK, often in a way that is either vague or wholly legalistic. In this article, we make a case for embedding a broader and richer concept of human rights in UK social work practice and education. We contrast the international social work perspective on human rights with that of UK professional codes and suggest that the narrow and uninterrogated conceptualisation of human rights in the UK may be acting as a barrier to UK social workers fully understanding and engaging with broader human rights agendas of the sort found in international practice. We argue for the merits of regrounding UK social work in this broader human rights concept, in which radical and emancipatory approaches can be underpinned by a common and unifying rights-orientated perspective. We make this argument, initially, in the context of the Human Rights Act 1998 remaining in UK law, which we see as entirely necessary for the protection of human rights in social work in the country, but insufficient for a broader, richer concept. We also, however, consider a scenario in which the Act is replaced by a British Bill of Rights and argue that such a development would present a further urgent need for embedding a broader human rights concept in UK social work. We close by setting out some of what such a concept might involve

Social work for critical peace: A comparative approach to understanding social work and political conflict

This paper uses a case study approach to explore issues of social work policy and practice in three sites of political conflict in Europe: Northern Ireland; Bosnia and Herzegovina; and Cyprus. It begins with a review of the international literature on social work and political conflict and then discusses the strengths and limitations in engaging with comparative case study approaches. The authors explain how they view the writing of the paper as an intellectual encounter that helped establish the beginning stages of their comparative analysis. This starts with an analysis of the existing knowledge base about the three case studies that each share similar patterns of colonial histories, political and community conflict and the social work response. The second part of the paper extends this analysis to a critique of the impact of neo-liberal social and economic policies that often adversely impact upon the role of social workers in resolving conflict and building peace. The paper concludes with an appeal for social work to rediscover its rights-based role in working with victims and survivors of political conflict, what the authors describe as: ‘social work for critical peace’

Clientelistic networks and local corruption: Evidence from Western Crete DIMITRIOS CHRISTOPOULOS

In this article, the attitudes and interaction of local political and business elites in western Crete are examined by means of an attitudinal survey, triangulated with data from in-depth interviews, conducted between July and October 1991. The data examined indicate that the endemic prevalence of clientelistic networks creates the background for corruption, although evidence of corrupt practice is not strong. In this analysis it is presumed that the attitudes and perceptions of key actors are affected by a definition of corruption that is relevant to their particular civil society alone. Data analyzed here suggest that local élite attitudes towards corruption are not perceived to affect the standards of conduct at the local level. It can also be deduced that if corruption is linked to the problems of administrative efficiency and economic development of the region, these can be related to vertical clientelistic networks with the national centre

Osseous metaplasia: case report and review

Objective: To discuss, through the experience of a case report and extensive literature review, the best practices for the diagnosis and treatment of osseous metaplasia, which is the cause of secondary infertility. Design: Case report. Setting: In vitro fertilization unit in Athens. Patient(s): A 40-year-old woman with a 10-year history of secondary infertility. Intervention(s): Hysteroscopic diagnosis and removal of the bony fragment. Main Outcome Measure(s): Elimination of secondary infertility caused by osseous metaplasia. Result(s): After treatment, the woman underwent an IVF program and a healthy neonate was born with cesarean section. Conclusion(s): Hysteroscopy remains the best practice for the diagnosis and removal of endometrial ossifications, causing secondary infertility.(C) 2004 by American Society for Reproductive Medicine