Heavy-quark expansion for D and B mesons in nuclear matter

The planned experiments at FAIR enable the study of medium modifications of $D$ and $B$ mesons in (dense) nuclear matter. Evaluating QCD sum rules as a theoretical prerequisite for such investigations encounters heavy-light four-quark condensates. We utilize an extended heavy-quark expansion to cope with the condensation of heavy quarks.Comment: Contribution to the MESON2014 conference, Krak\'ow, Poland. To appear in the proceeding

The Virtual Organization: Evidence of Academic Structuration in Business Programs and Implications for Information Science

Virtual forms of organization, including outsourcing, are expected to bring broad, structural transformations to American business. Yet, little is known about the formal response of U.S. Business Schools to the boundary-spanning challenges that virtual organization presents. In this study, key elements of Adaptive Structuration Theory (AST) are utilized as a means to investigate the effects of virtual organization on academic disciplines. Results of a survey of 471 Business School faculty members, including 63 Information Systems faculty, on the role of virtual organization in academic curricula are analyzed in the terms defined by the AST framework. Results indicate significant variation by discipline, concept area, and appropriation of the concepts related to virtual organization. Implications for Information Science include the need for establishing academic leadership as well as attending to perceived limitations in virtual organization tools and technologies. In addition, the results have implications for the ongoing dialogue on the role of Information Science and related academic disciplines

Replication Studies on Significant Differences in Personality Profiles of Securely and Insecurely Attached Psychotherapists and Dentists

This study contributes to the therapist variable in general and the personality profile of securely and insecurely attached psychotherapists and other healthcare professionals in particular. In a preceding study, it has been found that insecurely attached psychotherapists differ in nine personality styles from securely attached ones. The aim of the present study was to replicate these findings and to investigate whether they also apply to other health professions such as dentists. About 891 subjects from two German professional societies for hypnosis were surveyed online with a personality questionnaire [Personality Styles and Disorder Inventory (PSDI)] and an attachment questionnaire [Relationship Scale Questionnaire (RSQ)]. Since these subjects were interested in hypnosis and used it in their practice (HYP), 150 dentists without a hypnosis context (NONHYP) were studied as a control group with the same survey. The results of the preceding attachment study could be replicated: Insecurely attached healthcare professionals differed significantly from securely attached ones in the same nine (plus one, i.e., 10) personality styles if they use psychological methods including hypnosis. If they do not use psychological methods (like the NONHYP dentists), they differ in half of the personality styles. No within-sample and no between-sample differences have been found in the assertive/antisocial (AS) personality style. No within-sample differences have also been found in the conscientious/compulsive (ZW) and the intuitive/schizotypal (ST) personality styles. However, large between-sample differences were obvious in ZW and the ST. Both of the samples of the dentist were much more compulsive than the two psychotherapeutic samples. In addition, both of the HYP samples were much more schizotypal than the NONHYP samples. The latter is the general signature of those individuals who are interested in hypnosis and were metaphorically termed homo hypnoticus. It seems that AS, ZW, and ST are independent of attachment