Failure of the Standard Coupled-Channels Method in Describing the Inelastic Reaction Data: On the Use of a New Shape for the Coupling Potential

We present the failure of the standard coupled-channels method in explaining the inelastic scattering together with other observables such as elastic scattering, excitation function and fusion data. We use both microscopic double-folding and phenomenological deep potentials with shallow imaginary components. We argue that the solution of the problems for the inelastic scattering data is not related to the central nuclear potential, but to the coupling potential between excited states. We present that these problems can be addressed in a systematic way by using a different shape for the coupling potential instead of the usual one based on Taylor expansion.Comment: 10 pages, 4 figures, 1 table, Latex:RevTex4 published in J. Phys. G: Nucl. Part. Phy

RFLP of analyses of an intergenic spacer region of chloroplast DNA in some wild wheat species

Several studies are being made to get high productive wheats throughout the world because they provide the most of human energy and protein needs. In this study, 11 wheat species of Triticum andAegilops were investigated. One of the intergenic regions of cpDNA was studied. This region was amplified with PCR and digested with 6 restriction endonucleases (Hpa II, Alu I, Hinc II, Ava III, Nde I andHae III). According to results, amplified products can be divided into the three groups which are Group 1 (~2000 bp), Group 2 (~1000 bp) and Group 3 (~700 bp). Group 1 contains Ae. neglecta Req. ex Bertol.(syn.:Ae. triaristata), Ae. triuncialis, Ae. mutica Boiss. and T. monococcum L. var. monococcum. Group 2 contains T. aestivum L., Ae. biuncialis Vis., T. turgidum L. (Syn.: T. turgidum var. turgidum) and T.carthlicum Nevski. Group 3 contains Ae. tauschii Cosson. subsp. tauschii and Ae. cylindrica Host. Data obtained from the restriction enzyme digestions were evaluated by using numerical taxonomy systemand a phenogram was constructed using SAHN clustering unweighted pair group method using arithmetic averages

Variational Principles for Multiwalled Carbon Nanotubes Undergoing Vibrations Based on Nonlocal Timoshenko Beam Theory

Variational principles are derived for multiwalled carbon nanotubes undergoing linear vibrations using the semi-inverse method with the governing equations based on nonlocal Timoshenko beam theory which takes small scale effects and shear deformation into account. Physical models based on the nonlocal theory approximate the nanoscale phenomenon more accurately than the local theories by taking small scale phenomenon into account. Variational formulation is used to derive the natural and geometric boundary conditions which give a set of coupled boundary conditions in the case of free boundaries which become uncoupled in the case of the local theory. Hamilton's principle applicable to this case is also given

Helping parents to help children overcome fear: the influence of a short video tutorial

Objectives Anxiety runs in families, and its transmission is largely environmental. However, studies rarely explore this process in clinically anxious parents or ask participants to face a genuine fear. We also do not know whether this process is modifiable. This study will explore these questions using a sample of clinically anxious parents. Design Experimental design comparing clinically anxious parents with non‐anxious parents, and exploring the effects of a tutorial intervention versus a control group. Methods Parents with and without anxiety disorders and their children (5–9 years) participated (N = 72). Children chose two fearful animal stimuli. Parents helped the child approach the first in graded steps. The following parental behaviours were recorded: positive/negative verbal information; positive/negative modelling; encouragement/praising of approach/avoidance behaviours. Half the parents were then randomly assigned to a short video tutorial advising how to help children cope with fearful situations. The remainder watched a control video. The approach task was repeated with the second stimulus. Results Parenting behaviours fell into two categories: ‘approach parenting’ (encouraging/praising/modelling approach; positive verbal information) and ‘avoidance parenting’ (encouraging/praising/modelling avoidance; negative verbal information). The parenting tutorial increased ‘approach parenting’ and decreased ‘avoidance parenting’ and was associated with increased child approach towards fearful stimuli. This was not moderated by parent or child anxiety. Conclusions Parenting, particularly ‘avoidance parenting’, is associated with children's approach and avoidance. A short video tutorial modified these parenting behaviours and reduced avoidance. These effects were apparent regardless of parent or child anxiety level

The Role of 18F-Flourodeoxyglucose (18F-FDG) Positron Emission Tomography/Computed Tomography (PET/CT) in Pelvic and Paraaortic Lymph Node Staging of Uterine Cervical Cancer

Aim: We aimed to evaluate the sensitivity of 18F-Flourodeoxyglucose (18F-FDG) positron emission tomography/computed tomography (PET/CT) in the detection of pelvic and paraaortic lymph node metastases of uterine cervical cancer.  Material and Method: 32 female patients (mean age: 56.1±12.6) who underwent 18F-FDG PET/CT for preoperative staging of uterine cervical cancer between April 2009 and October 2013 were included to the study. Ethical committee approval was taken from Ankara University Medical Faculty Ethics Committee. All the patients had been performed trans-vaginal examination and diagnosed as uterine cervical cancer before 18F-FDG PET/CT. 18F-FDG PET/CT findings were compared with histopathological examination results. Sensitivity, specificity and accuracy of pelvic MRI and 18F-FDG PET/CT were calculated in the detection of pelvic and paraaortic lymph node metastases.  Results: 18F-FDG uptake was seen in primary cervical lesions of all the patients. Mean SUV max of primary cervical lesions was calculated as 13.6±6.6 (range: 6.7-25). In 16 (50%) patients, 18F-FDG uptake was not seen in pelvic and paraaortic lymph nodes. In the remaining patients, 18F-FDG uptake was detected in pelvic nodes in all the patients (50%) and in paraaortic nodes in 6 (18%) patients. Mean SUV max of pelvic lymph nodes were calculated as 8.4±5.2 and of paraaortic lymph nodes 12.45±6.41. 18F-FDG uptake was detected in a total of 47 lymph node stations in 16 patients. Mean SUVmax of all lymph nodes were calculated as 8.9±5.83 (range: 2.6-21.9). According to 18F-FDG PET/CT findings, disease was upstaged from I to IV in 1 (3%) patient, II to III in 2 (6%) patients, III to IV in 1 (3%) patients and I to III in 2 (6%) patients, and down staged from III to I in 1 (3%) patient, respectively. In the patient-based analysis, 18F-FDG PET/CT was TP, TN, FP and FN in 14 (%44), 14 (44%), 2 (6%) and 2 (6%) patients, respectively. Patients based sensitivity; specificity and accuracy of 18F-FDG PET/CT were calculated as 87%, 87% and 87%, respectively. In the lesion-based analysis, 18F-FDG PET/CT was TP, FP, TN and FN in 30, 7, 37 and 5 lymph node stations, respectively. Lesion based sensitivity; specificity and accuracy of 18F-FDG PET/CT were calculated as 85%, 84% and 84%, respectively.  Conclusion: 18F-FDG PET/CT is a reliable imaging tool with its high sensitivity and specificity in the pelvic and paraaortic lymph node staging of uterine cervical cancer. When performed in the preoperative staging it changes disease stage about in ¼ of patients. In combination of pelvic MRI, primary staging of primary cervical lesions and also pelvic/paraaortic lymph nodes can be done successfully