Elastic Compton Scattering from 3He and the Role of the Delta

We report observables for elastic Compton scattering from $^3$He in Chiral Effective Field Theory with an explicit $\Delta(1232)$ degree of freedom ($\chi$EFT) for energies between 50 and 120 MeV. The $\gamma\,{}^3$He amplitude is complete at N3LO, $\mathcal{O}(e^2\delta^3)$, and in general converges well order by order. It includes the dominant pion-loop and two-body currents, as well as the Delta excitation in the single-nucleon amplitude. Since the cross section is two to three times that for deuterium and the spin of polarised $^3$He is predominantly carried by its constituent neutron, elastic Compton scattering promises information on both the scalar and spin polarisabilities of the neutron. We study in detail the sensitivities of 4 observables to the neutron polarisabilities: the cross section, the beam asymmetry and two double asymmetries resulting from circularly polarised photons and a longitudinally or transversely polarised target. Including the Delta enhances those asymmetries from which neutron spin polarisabilities could be extracted. We also correct previous, erroneous results at N2LO, i.e.~without an explicit Delta, and compare to the same observables on proton, neutron and deuterium targets. An interactive Mathematica notebook of our results is available from [email protected]: 37 pages LaTeX2e (pdflatex) including 16 figures as .pdf files using includegraphics; minor corrections, triggered by referee comments, plus typographical errors; text-identical to version published as EPJA 54 (2018) 12

Preliminary study of Armenian grapevines phenolic contents

Research Not

Armenian grapevines: cytoembryological, morphological and chemical analysis

The objectives of our study was to phenotype Armenian grapevines on the base of cytoembryological, morphometric and phenolic content analysis of 10 wine and 10 table cultivars (Vitis vinifera L.). The presented results suggest that Armenian table grape cultivars have higher level of abnormalities in the process of seed formation than wine cultivars. However, during ovule development, the observed differences between table and wine varieties were not significant. The berry morphometric analysis demonstrated that table cultivars formed significantly larger and heavier berries than wine cultivars. The obtained results show that wine grapes contained significantly higher phenol concentrations than table grapes, in both colored and white grapevine cultivars. The study of phenol composition, an important chemical descriptor in grapevine phenotyping, provides oenological information useful to improve the wine quality. Cultivar characterization could be used as marker for the selection of table and wine grape breeding programs. These results will be upgraded in the database for Armenian grapevine varieties. In future Armenian germplasm will be compared with datasets of neighboring countries, to determine the varietal origins relationships

Genetic analysis of the VvMybA1 gene in Armenian grapevines (V. Vinifera L.)

Research Not

О МЕТОДИЧЕСКОЙ ГОТОВНОСТИ БУДУЩИХ ОФИЦЕРОВ К ОРГАНИЗАЦИИ САМООБРАЗОВАНИЯ ВОЕННОСЛУЖАЩИХ

The article is devoted to improvement of methodical training of future officers and their capacities for individual activities in the context of activation of the subject area of pedagogy. According to the concept of I. E. Akulov, V. I. Baydakov, A. G. Vasilyev, methodical training is seen as a set of training activities aimed at improving the skills of officers, warrant officers (midshipmen), sergeants (foremen) in the training of subordinates. Methodical training is an integral part of the commander’s training. The article deals with the functional and personal approaches to rendering the term "methodical preparation" in modern science, as well as the concept of methodical preparation of future officers to arrangement of individual education of soldiers in the unit. Methodical readiness of the cadet to the organization of self-education of the military personnel is a component of structure of professional training of the future officer to service and fighting activity. Advantages and efficiency of methodical readiness of the future officer to the organization of self-education of the military personnel as quality of the personality are analyzed. The urgency of self-educational activity and its priority in development of the serviceman as the subject of professional self-realization is revealed. The purpose of methodical preparation of the future officer to the organization of self-education of the military personnel consists in activation of the psychological and pedagogical knowledge, abilities and skills allowing to use effectively modern technologies of self-educational activity of cadets providing the dominating orientation and motivation in realization of the purposes and tasks of pedagogical maintenance of individual education of the military personnel in military professional activity. The article highlights a model of methodical preparation of future officers of the national guard to individual education of soldiers, reflecting the internal prerequisites that determine the possibility of a deeply conscious, thoughtful, creative nature of work on yourself. The final result of individual education depends to great extent on the level of their development. That is why it is important to focus on formation and development of these internal prerequisites. in individual education of military staffСтатья посвящена повышению качества методической подготовки будущих офицеров к организации самообразования военнослужащих в контексте активизации предметной области педагогики. Согласно концепту И.Е. Акулова, В. И. Байдакова, А.Г. Васильева, «методическая подготовка – комплекс учебных мероприятий, направленных на повышение мастерства офицеров, прапорщиков (мичманов), сержантов (старшин) в обучении и воспитании подчиненных. Методическая подготовка является составной частью командирской подготовки» [1, с. 28]. В статье рассмотрены функциональный и личностный подходы к пониманию термина «методическая готовность» в современной науке, а также сформулировано понятие методической готовности будущих офицеров к организации самообразования военнослужащих в подразделении. Методическая готовность курсанта к организации самообразования военнослужащих является компонентом структуры профессиональной подготовки будущего офицера к служебно-боевой деятельности. Проанализированы преимущества и эффективность методической готовности будущего офицера к организации самообразования военнослужащих как качества личности. Выявлена актуальность самообразовательной деятельности и ее приоритет в развитии военнослужащего как субъекта профессиональной самореализации. Методическая готовность будущего офицера к организации самообразования военнослужащих заключается в активизации психолого-педагогических знаний, умений и навыков, позволяющих эффективно использовать современные технологии самообразовательной деятельности, обеспечивающих доминирующую направленность и мотивацию в реализации целей и задач методического сопровождения самовоспитания военнослужащих в военно-профессиональной деятельности. В статье представлена модель методической готовности будущего офицера к самообразованию военнослужащих, отражающая внутренние предпосылки, которые определяют возможность глубоко осознанного, продуманного, творческого характера работы над собой. От уровня их развитости в значительной мере зависит конечный результат самообразования. Вот почему в процессе организации самообразования военнослужащих важно особое внимание обращать на формирование и развитие внутренних предпосылок

Armenian national grapevine collection: Conservation, characterization and prospects

The general strategy for grapevine genetic resources conservation in Armenia encompasses the collection of the still existing diversity and the use of protection techniques to minimize the losses over time. Being studied mainly by ampelography, the genetic diversity of Armenian grapevine needs to be re-investigated in accordance with modern requirements and international scales. The purpose of the presented research was the first large-scale molecular characterization of Armenian grape varieties by molecular methods using a set of 24 simple sequence repeat (SSR) markers encompassing the nine SSR markers recommended by the European project GrapeGen06. The obtained results indicate the uniqueness of the major part of the investigated varieties and reveal a substantial level of genetic variation within the Armenian grapevine. Based on the realized large-scale investigation a true-to-type inventory of Armenian grape germplasm will be realized and documented in theVitis International Variety Catalogue and in the European Vitisdatabase. The next step having strategic importance in terms of conservation of grape genetic resources in Armenia will be establishment of the first ArmenianVitis database with multi-crop passport description of all varieties preserved in grape collection

Observation of Lambda H-4 hyperhydrogen by decay-pion spectroscopy in electron scattering

At the Mainz Microtron MAMI, the first high-resolution pion spectroscopy from decays of strange systems was performed by electron scattering off a Be-9 target in order to study the ground-state masses of Lambda-hypernuclei. Positively charged kaons were detected by a short-orbit spectrometer with a broad momentum acceptance at zero degree forward angles with respect to the beam, efficiently tagging the production of strangeness in the target nucleus. In coincidence, negatively charged decay-pions were detected by two independent high-resolution spectrometers. About 10^3 pionic weak decays of hyperfragments and hyperons were observed. The pion momentum distribution shows a monochromatic peak at p_pi ~ 133 MeV/c, corresponding to the unique signature for the two-body decay of hyperhydrogen Lambda H-4 -> He-4 + pi-, stopped inside the target. Its binding energy was determined to be B_Lambda = 2.12 +- 0.01 (stat.) +- 0.09 (syst.) MeV with respect to the H-3 + Lambda mass

Hard X-ray laue monochromator

Experimental studies of X-ray diffraction from reflecting atomic planes (1011) of X-cut quartz single crystal in Laue geometry influenced by the temperature gradient were carried out. It is shown that by using the temperature gradient it is possible to reflect a hard Xray beam with photon energy near the 100 keV with high efficiency. It has been experimentally proved that the intensity of the reflected beam can be increased by more than order depending on the value of the temperature gradient

Actitudes y percepciones de los docentes universitarios en el proceso de adopción de una innovación. La iniciativa OpenCourseWare en la Universidad de Valencia (España)

El proyecto OpenCourseWare, repositorio de recursos educativos en abierto, se inició en la Universidad de Valencia en 2008 y en 2009, sólo incluía 10 asignaturas, ninguna de ellas del área de ciencias de la salud. El objetivo de este trabajo es investigar las actitudes de los docentes de esta área así como sus percepciones con relación a este repositorio para determinar cuáles son las estrategias necesarias para extender su uso. Se parte de la teoría de la difusión de las innovaciones de Rogers (2003) y de un enfoque cualitativo a través del muestreo teórico, entrevistas semiestructuradas y codificación abierta. Los resultados indican la existencia de dos grandes grupos de profesores. Los adoptantes tempranos con una predisposición alta a participar en la iniciativa y con una percepción positiva de sus atributos y los mainstream o corriente principal más reacios a participar y con una percepción negativa respecto a alguno de sus atributos. La identificación de las características de estos dos grandes grupos marca las líneas de acción y de investigación futura en el ámbito del marketing y difusión, formación, sensibilización y motivación para extender el uso del OCW. The OpenCourseWare project, an open learning resource repository, was set up at the University of Valencia between 2008 and 2009. It initially consisted of only 10 subjects, none of which was in the field of health sciences. The objective of this research is to investigate the attitudes and perceptions of teaching staff in the field of health sciences with regard to the project in order to identify strategies to increase its use and expand its coverage. The diffusion of innovations theory as propounded by Rogers is used, along with a qualitative approach using theoretical sampling, semi-structured interviews and open coding. The results indicate the existence of two categories of teaching staff. Firstly, those who adopt an innovation early, have a marked inclination to participate in the initiative and a positive perception of the characteristics of the innovation. Secondly, a larger category of those more reluctant to participate in it and with a negative perception of one or more of its characteristics. Identifying the nature of these two groups provides guidelines for future action and research in the marketing and distribution of such projects, and the training, awareness and motivation required in order to extend the use of OCW