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CHROMIUM-RICH COATINGS WITH WS_2 NANOPARTICLES CONTAINING FULLERENE-LIKE STRUCTURE
O. EIDELMAN,H. FRIEDMAN,R. ROSENTSVEIG,A. MOSHKOVITH,V. PERFILIEV,S. R. COHEN,Y. FELDMAN,L. RAPOPORT,R. TENNE 성균관대학교(자연과학캠퍼스) 성균나노과학기술원 2011 NANO Vol.6 No.4
In this work chromium-rich coatings impregnated with fullerene-like (IF)-WS2 nanoparticles were deposited on stainless steel substrates. The coatings were obtained from a trivalent chromium bath at pH 2 by galvanostatic electrodeposition. Zinc and cobalt salts were added to the aqueous solution in small amounts serving as cationic growth promoters. Photodeposition of tin-palladium nanoparticles was used as seeding enhancer for the co-deposition of the fullerene-like nanoparticles. The coatings were characterized by a number of techniques and were found to show a decreasing gradient of the IF nanoparticles towards the film-substrate interface. Tribological tests showed that in contrast to the substrate and the pure metal coating, the IF-containing films exhibit low friction and wear.
Inna Eidelman Pozin,Amir Zabida,Moshe Nadler,Guy Zahavi,Dina Orkin,Haim Berkenstadt 대한소화기내시경학회 2023 Clinical Endoscopy Vol.56 No.2
Background/Aims: Data on the incidence of adverse respiratory events during recovery from gastrointestinal endoscopy are limited. The aim of this study was to investigate the incidence of these complications. Methods: In this retrospective cohort study, data were obtained from the electronic records of 657 consecutive patients, who underwent gastroenterological procedures under sedation. Results: Pulse oximetry oxygen saturation (SpO2) <90% for <60 seconds occurred in 82 patients (12.5%), and in 11 patients (1.7%), SpO2 of <90% for >60 seconds occurred in 79 patients (12.0%) and in 14 patients (2.1%), and SpO2 <75% occurred in four patients (0.6%) and in no patients during the procedure and recovery period, respectively. No major complications were noted. The occurrence of desaturation during recovery was correlated with desaturation during the procedure (p<0.001). Higher American Society of Anesthesiologists score (odds ratio [OR], 1.867; 95% confidence interval [CI], 1.008–3.458), ischemic heart disease (OR, 1.815; 95% CI, 0.649–5.080), hypertension (OR, 1.289; 95% CI, 0.472–3.516), and diabetes mellitus (OR, 2.406; 95% CI, 0.950–6.095) increased the occurrence of desaturation during recovery. Conclusions: We found no major complications during recovery after balanced propofol-based sedation administered by a gastroenterologist-nurse team. Patients with the identified risk predictors must be monitored carefully.
Search for B decays to final states with the η c meson
Vinokurova, A.,Kuzmin, A.,Eidelman, S.,Abdesselam, A.,Adachi, I.,Aihara, H.,Arinstein, K.,Asner, D. M.,Aushev, T.,Ayad, R.,Bakich, A. M.,Bansal, V.,Bhardwaj, V.,Bhuyan, B.,Bobrov, A.,Bondar, A.,Bozek, Institute of Physics Pub 2015 The journal of high energy physics Vol.2015 No.6
Study ofD**production and light hadronic states in theB¯0→D*+ωπ−decay
Matvienko, D.,Kuzmin, A.,Eidelman, S.,Abdesselam, A.,Adachi, I.,Aihara, H.,Al Said, S.,Arinstein, K.,Asner, D. M.,Aulchenko, V.,Aushev, T.,Ayad, R.,Babu, V.,Badhrees, I.,Bahinipati, S.,Bakich, A. M.,B American Physical Society 2015 PHYSICAL REVIEW D - Vol.92 No.1
Zhukova, Valentina,Bondar, A.,Eidelman, S. EDP Sciences 2019 The European Physical Journal Conferences Vol.202 No.-
<P>We report new measurement of the exclusive <I>e</I><SUP>+</SUP><I>e</I><SUP>-</SUP> → <I>D</I><SUP>(*)±</SUP><I>D</I><SUP>*∓</SUP> cross sections as a function of center-of-mass energy from the <I>D</I><SUP>(∗)±</SUP><I>D</I><SUP>∗∓</SUP> threshold up to $ \sqrt s $ = 6.0 GeV with initial state radiation. The analysis is based on a data sample collected by the Belle detector with an integrated luminosity of 951 fb<SUP>−1</SUP>. The accuracy of the cross section measurement is increased by a factor of 2 in comparison with the first Belle study. We have performed the first angular analysis of the <I>e</I><SUP>+</SUP><I>e</I><SUP>-</SUP> → <I>D</I><SUP>∗±</SUP><I>D</I><SUP>∗∓</SUP> process and decomposed this exclusive cross section into three components corresponding to the different <I>D</I><SUP>∗</SUP> helicities.</P>
Belle Collaboration,Vinokurova, A.,Kuzmin, A.,Eidelman, S.,Arinstein, K.,Aulchenko, V.,Aushev, T.,Bakich, A.M.,Balagura, V.,Barberio, E.,Belous, K.,Bhardwaj, V.,Bondar, A.,Bozek, A.,Bracko, M.,Brodzic North-Holland Pub. Co 2011 Physics letters: B Vol.706 No.2
We report the results of a study of B<SUP>+/-</SUP>→K<SUP>+/-</SUP>η<SUB>c</SUB> and B<SUP>+/-</SUP>→K<SUP>+/-</SUP>η<SUB>c</SUB>(2S) decays followed by η<SUB>c</SUB> and η<SUB>c</SUB>(2S) decays to (K<SUB>S</SUB>Kπ)<SUP>0</SUP>. The results are obtained from a data sample containing 535 million BB@?-meson pairs collected by the Belle experiment at the KEKB e<SUP>+</SUP>e<SUP>-</SUP> collider. We measure the products of the branching fractions B(B<SUP>+/-</SUP>→K<SUP>+/-</SUP>η<SUB>c</SUB>)B(η<SUB>c</SUB>→K<SUB>S</SUB>K<SUP>+/-</SUP>π<SUP>@?</SUP>)=(26.7+/-1.4(stat)<SUB>-2.6</SUB><SUP>+2.9</SUP>(syst)+/-4.9(model))x10<SUP>-6</SUP> and B(B<SUP>+/-</SUP>→K<SUP>+/-</SUP>η<SUB>c</SUB>(2S))B(η<SUB>c</SUB>(2S)→K<SUB>S</SUB>K<SUP>+/-</SUP>π<SUP>@?</SUP>)=(3.4<SUB>-1.5</SUB><SUP>+2.2</SUP>(stat+model)<SUB>-0.4</SUB><SUP>+0.5</SUP>(syst))x10<SUP>-6</SUP>. Interference with the non-resonant component leads to significant model uncertainty in the measurement of these product branching fractions. Our analysis accounts for this interference and allows the model uncertainty to be reduced. We also obtain the following charmonia masses and widths: M(η<SUB>c</SUB>)=(2985.4+/-1.5(stat)<SUB>-2.0</SUB><SUP>+0.5</SUP>(syst)) MeV/c<SUP>2</SUP>, Γ(η<SUB>c</SUB>)=(35.1+/-3.1(stat)<SUB>-1.6</SUB><SUP>+1.0</SUP>(syst)) MeV/c<SUP>2</SUP>, M(η<SUB>c</SUB>(2S))=(3636.1<SUB>-4.2</SUB><SUP>+3.9</SUP>(stat+model)<SUB>-2.0</SUB><SUP>+0.7</SUP>(syst)) MeV/c<SUP>2</SUP>, Γ(η<SUB>c</SUB>(2S))=(6.6<SUB>-5.1</SUB><SUP>+8.4</SUP>(stat+model)<SUB>-0.9</SUB><SUP>+2.6</SUP>(syst)) MeV/c<SUP>2</SUP>.
Lutz, M.F.M.,Lange, J.S.,Pennington, M.,Bettoni, D.,Brambilla, N.,Crede, V.,Eidelman, S.,Gillitzer, A.,Gradl, W.,Lang, C.B.,Metag, V.,Nakano, T.,Nieves, J.,Neubert, S.,Oka, M.,Olsen, S.L.,Pappagallo, North Holland Pub. Co 2016 Nuclear physics. A Vol.948 No.-
<P>We report on the EMMI Rapid Reaction Task Force meeting 'Resonances in QCD', which took place at GSI October 12-14,2015. A group of 26 people met to discuss the physics of resonances in QCD. The aim of the meeting was defined by the following three key questions: What is needed to understand the physics of resonances in QCD? Where does QCD lead us to expect resonances with exotic quantum numbers? What experimental efforts are required to arrive at a coherent picture? For light mesons and baryons only those with up, down and strange quark content were considered. For heavy-light and heavy-heavy meson systems, those with charm quarks were the focus. This document summarizes the discussions by the participants, which in turn led to the coherent conclusions we present here. (C) 2016 Elsevier B.V. All rights reserved.</P>