Loop corrections to dark matter direct detection in a pseudoscalar mediator dark matter model

If dark matter (DM) is a fermion and its interactions with the standard model particles are mediated by pseudoscalar particles, the tree-level amplitude for the DM-nucleon elastic scattering is suppressed by the momentum transfer in the non-relativistic limit. At the loop level, on the other hand, the spin-independent contribution to the cross section appears without such suppression. Thus, the loop corrections are essential to discuss the sensitivities of the direct detection experiments for the model prediction. The one-loop corrections were investigated in the previous works. However, the two-loop diagrams give the leading order contribution to the DM-gluon effective operator ($\bar{\chi} \chi G^{a}_{\mu \nu} G^{a \mu \nu}$) and have not been correctly evaluated yet. Moreover, some interaction terms which affect the scattering cross section were overlooked. In this paper, we show the cross section obtained by the improved analysis and discuss the region where the cross section becomes large.Comment: 34 pages, 11 figures, 6 tables, the version published in JHE

Practice of the group reminiscence therapy held at the Center for University Extension

本報告では，徳島大学大学開放実践センターにおける公開講座で回想法を体験することが参加者にとってどのような意義があったのかについて考察する。５名の参加者に対して，公開講座の中で回想法を実施し，その感想について分析を行った。その結果，各参加者が人生の振り返りによって自分の人生に対してなんらかの意味付けを行っていたことが確認された。また参加者が過去を振り返ることによって，過去のみでなく，現在や未来についても言及していくプロセスが確認された。この結果から，過去をしっかりと振り返ることが，過去−現在−未来の時間軸で人生を捉え直すことにつながり，現在や未来についての気づきに繋がることが示唆された。The purpose of this report is to discuss the significance of participation in the group reminiscence therapy held at the Center for University Extension. Five participants experienced the group reminiscence therapy and submitted their impression report of the therapy. After analysis, we confirmed that all participants made their sense out of their lives by their life review. Furthermore, by their life review, their narrative changed as they came to be not only their past but also their present and their future. This result suggests that the life review leads to participants’ recognition of their present and their future by grasping the meaning of their past along the time axis

The significance of experience to a psychotherapy aiming for mental health promotion at an extension course

本報告では，徳島大学大学開放実践センターにおける公開講座で健康づくりを目的とした心理療法を体験することが参加者にとってどのような意義があったのかについて検討した。７名の参加者に対して，健康づくりを目的とした心理療法を実施し，その感想と実施前後の抑うつ傾向と人生満足度の分析をおこなった。その結果，参加者の抑うつ傾向と人生満足度の肯定的変化が確認された。参加者間の交流を基礎とした心理療法の体験が参加者に様々な気づきを促したことがその要因として考えられる。The purpose of this report is to discuss the significance of experience to a psychotherapy aiming for mental health promotion, which was held at an extension course of Center for University Extension. Seven participants experienced psychotherapy aiming for health promotion. Analyzed participants’ Impression reports, score of Depression Scale and Morale Scale, it showed an Improvement in participants’ depression tendency and morale. It is assumed that this improve was caused by their various notice which is brought from experience of psychotherapy based on the communication among participants

Sacral chordoma: do the width of surgical margin and the use of photon/proton radiotherapy affect local disease control?

Purpose Chordoma is a rare but highly aggressive primary bone sarcoma that arises commonly from the sacrum. While en bloc resection has been the mainstay of the treatment, the role of resection margin in millimetres with/without adjuvant radiotherapy (RT) has been unknown. We investigated the prognostic impact of surgical margin width, adjuvant RT, and their combined factor for sacral chordoma. Methods Forty-eight patients who underwent surgical treatment between 1996 and 2016 were studied. Of these, 11 patients (23%) received adjuvant RT; photon RT in 7 (15%) and proton RT in 4 (8%). Margins were microscopically measured in millimetres from the resection surface to the closest tumour on histologic slides. Results The five year and ten year disease-specific survival was 88% and 58%, respectively, and the local recurrence (LR) rate was 48%. The LR rate with 0-mm, Conclusion This study identified the lowest risk of local failure in tumour resection with ≥ 1.5-mm margin or negative but < 1.5-mm margin with the use of adjuvant photon/proton radiotherapy for sacral chordoma. Early results of adjuvant proton RT demonstrated excellent local control