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Search for dark matter WIMPs using upward through-going muons in Super-Kamiokande
Desai, S.,Ashie, Y.,Fukuda, S.,Fukuda, Y.,Ishihara, K.,Itow, Y.,Koshio, Y.,Minamino, A.,Miura, M.,Moriyama, S.,Nakahata, M.,Namba, T.,Nambu, R.,Obayashi, Y.,Sakurai, N.,Shiozawa, M.,Suzuki, Y.,Takeuch American Physical Society 2004 PHYSICAL REVIEW D - Vol.70 No.8
Nakayama, S.,Mauger, C.,Ahn, M.H.,Aoki, S.,Ashie, Y.,Bhang, H.,Boyd, S.,Casper, D.,Choi, J.H.,Fukuda, S.,Fukuda, Y.,Gran, R.,Hara, T.,Hasegawa, M.,Hasegawa, T.,Hayashi, K.,Hayato, Y.,Hill, J.,Ichikawa Elsevier 2005 Physics letters: B Vol.619 No.3
<P><B>Abstract</B></P><P>Neutral current single <SUP>π0</SUP> production induced by neutrinos with a mean energy of 1.3 GeV is measured using a 1000 ton water Cherenkov detector in the K2K long baseline neutrino experiment. The cross section for this process relative to the total charged current cross section is measured to be 0.064±0.001(stat.)±0.007(sys.). The momentum distribution of neutral current <SUP>π0</SUP>s from a water target is measured with high statistics for the first time.</P>
Measurement of neutrino oscillation by the K2K experiment
Ahn, M. H.,Aliu, E.,Andringa, S.,Aoki, S.,Aoyama, Y.,Argyriades, J.,Asakura, K.,Ashie, R.,Berghaus, F.,Berns, H. G.,Bhang, H.,Blondel, A.,Borghi, S.,Bouchez, J.,Boyd, S. C.,Burguet-Castell, J.,Casper, American Physical Society 2006 PHYSICAL REVIEW D - Vol.74 No.7
Ashis K. Mukherjee,Tadi Satish Kumar,Sudhir K. Rai,JETENDRA KUMAR ROY 한국생물공학회 2010 Biotechnology and Bioprocess Engineering Vol.15 No.6
We report the statistical optimization of the immobilization of alkaline α-amylase [E.C. 3.2.1.1] from Bacillus alcalophilus onto nano-sized supermagnetic ironoxide nanoparticles (MNPs) for augmenting the cost effective industrial application of MNP-bound α-amylase. Both Plackett-Burman factorial design and response surface methodology (RSM) were employed to screen the influence of different parameters and the central effect of response on the α-amylase-iron oxide MNP binding process. The high coefficient of determination (R2) and analysis of variance (ANOVA) of the quadratic model indicated the competence of the proposed model. The size of the MNPs was confirmed by X-ray diffraction and scanning electron microscope analyses in which Fourier transform infrared spectroscopy suggested immobilization of the enzyme on iron-oxide MNPs. A significant improvement (~ 26-fold)in specific activity, thermal and storage stability, and reusability of α-amylase after binding with iron-oxide MNP reinforced the improved biotechnological potential of the α-amylase iron-oxide MNP bioconjugate compared to free α-amylase. These results open new avenues for applying this MNP immobilized enzyme in different industrial sectors, notably in the paper and brewing industries.
Parametric Study on Uplift Capacity of Anchor with Tie in Sand
Ashis Kumar Bera 대한토목학회 2014 KSCE JOURNAL OF CIVIL ENGINEERING Vol.18 No.4
In the present investigation a series of model tests have been performed to study the effect of different governing parameters viz.,relative density (Dr) of sand, the ratio of embedment depth (H) of anchor to diameter (D) of bell of anchor, number of ties (N), theratio of length of tie (Lg) to diameter of bell of anchor, diameter of bell of anchor and friction ratio (f = ψ/φ) on uplift capacity ofanchor with ties embedded in river sand. From the experiment, it is observed that with increase in H/D ratio the ultimate upliftcapacities of anchor with or without ties increase. With increase in number of tie layers up to 2, the ultimate uplift capacity of anchorwith ties increases. A non linear power model has been developed to predict the ultimate uplift capacity (QRult) of anchor with ties interms of ultimate uplift capacity of anchor without tie (QUR), Dr, H/D ratio, N, Lg/D ratio, and f.
η-RICCI SOLITONS ON PARA-KENMOTSU MANIFOLDS WITH SOME CURVATURE CONDITIONS
Ashis Mondal 강원경기수학회 2021 한국수학논문집 Vol.29 No.4
In the present paper, we study η-Ricci solitons on para-Kenmotsu manifolds with Codazzi type of the Ricci tensor. We study η-Ricci solitons on paraKenmotsu manifolds with cyclic parallel Ricci tensor. We also study η-Ricci solitons on ϕ-conformally semi-symmetric, ϕ-Ricci symmetric and conformally Ricci semi-symmetric para-Kenmotsu manifolds. Finally, we construct an example of a three-dimensional para-Kenmotsu manifold which admits η-Ricci solitons.