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Wang, M.-Z.,Abe, K.,Abe, K.,Aihara, H.,Asano, Y.,Aulchenko, V.,Aushev, T.,Bahinipati, S.,Bakich, A.M.,Bedny, I.,Bitenc, U.,Bizjak, I.,Bozek, A.,Brax10d,ko, M.,Brodzicka, J.,Browder, T.E.,Chang, M.-C Elsevier 2005 Physics letters: B Vol.617 No.3
<P><B>Abstract</B></P><P>The angular distributions of the baryon–antibaryon low-mass enhancements seen in the charmless three-body baryonic <I>B</I> decays <SUP>B+</SUP>→pp¯<SUP>K+</SUP>, <SUP>B0</SUP>→pp¯KS0 and <SUP>B0</SUP>→pΛ¯<SUP>π−</SUP> are reported. A quark fragmentation interpretation is supported, while the gluonic resonance picture is disfavored. Searches for the <SUP>Θ+</SUP> and <SUP>Θ++</SUP> pentaquarks in the relevant decay modes and possible glueball states G with 2.2 GeV/<SUP>c2</SUP><<SUB>Mpp¯</SUB><2.4 GeV/<SUP>c2</SUP> in the pp¯ systems give null results. We set upper limits on the products of branching fractions, B(<SUP>B0</SUP>→<SUP>Θ+</SUP>p¯)B(<SUP>Θ+</SUP>→pKS0)<2.3×<SUP>10−7</SUP>, B(<SUP>B+</SUP>→<SUP>Θ++</SUP>p¯)B(<SUP>Θ++</SUP>→p<SUP>K+</SUP>)<9.1×<SUP>10−8</SUP>, and B(<SUP>B+</SUP>→G<SUP>K+</SUP>)B(G→pp¯)<4.1×<SUP>10−7</SUP> at the 90% confidence level. The analysis is based on a 140 fb<SUP>−1</SUP> data sample recorded on the ϒ(4S) resonance with the Belle detector at the KEKB asymmetric energy <SUP>e+</SUP><SUP>e−</SUP> collider.</P>
Wang, T. G.,Dong, Y.,Gebrekidan, B. A.,Liu, Y. M.,Fan, Q. X.,Kim, K. H. Springer Science + Business Media 2017 Acta metallurgica sinica Vol.30 No.7
<P>The Cr-Si-N coatings were prepared by combining system of high-power impulse magnetron sputtering and pulsed DC magnetron sputtering. The Si content in the coating was adjusted by changing the sputtering power of the Si target. By virtue of electron-probe microanalysis, X-ray diffraction analysis and scanning electron microscopy, the influence of the Si content on the coating composition, phase constituents, deposition rate, surface morphology and microstructure was investigated systematically. In addition, the change rules of micro-hardness, internal stress, adhesion, friction coefficient and wear rate with increasing Si content were also obtained. In this work, the precipitation of silicon in the coating was found. With increasing Si content, the coating microstructure gradually evolved from continuous columnar to discontinuous columnar and quasi-equiaxed crystals; accordingly, the coating inner stress first declined sharply and then kept almost constant. Both the coating hardness and the friction coefficient have the same change tendency with the increase of the Si content, namely increasing at first and then decreasing. The Cr-Si-N coating presented the highest hardness and average friction coefficient for an Si content of about 9.7 at.%, but the wear resistance decreased slightly due to the high brittleness. The above phenomenon was attributed to a microstructural evolution of the Cr-Si-N coatings induced by the silicon addition.</P>
Wang, M.-Z.,Abe, K.,Abe, K.,Abe, T.,Adachi, I.,Aihara, H.,Asano, Y.,Aso, T.,Aulchenko, V.,Aushev, T.,Bakich, A. M.,Bay, A.,Bizjak, I.,Bondar, A.,Bozek, A.,Brax10d,ko, M.,Browder, T. E.,Chang, M.-C. American Physical Society 2004 Physical Review Letters Vol.92 No.13
<P>We report the first observation of a b-->u type charmless baryonic B decay, B+-->pppi(+), as well as b-->s type B0-->ppK0 and B+-->ppK(*+) decays. The analysis is based on a 78 fb(-1) data sample recorded on the Upsilon(4S) resonance with the Belle detector at KEKB. We find B(B+-->pppi(+))=(3.06(+0.73)(-0.62)+/-0.37)x10(-6), B(B0-->ppK0)=(1.88(+0.77)(-0.60)+/-0.23)x10(-6), and B(B+-->ppK(*+))=(10.3(+3.6+1.3)(-2.8-1.7))x10(-6). We also update B(B+-->ppK+)=(5.66(+0.67)(-0.57)+/-0.62)x10(-6) and present an upper limit on B(B0-->ppK(*0)) at the 90% confidence level. A common feature of the observed decay modes is threshold peaking in baryon pair invariant mass.</P>
Wang, Y.,Lu, W.Q.,Li, D.F.,Liu, X.T.,Wang, H.L.,Niu, S.,Piao, X.S. Asian Australasian Association of Animal Productio 2014 Animal Bioscience Vol.27 No.5
A new strategy of co-inoculating Bacillus subtilis MA139 with Streptococcus thermophilus and Saccharomyces cerevisiae was used to produce fermented soybean meal (FSBM). Three experiments were conducted to determine the concentration of digestible energy (DE) and metabolizable energy (ME) (Exp. 1), apparent ileal digestibility (AID) and standardized ileal digestibility (SID) of amino acids (AA) (Exp. 2), and feeding value (Exp. 3) of FSBM produced by this new strategy (NFSB) compared with soybean meal (SBM) and conventionally available FSBM (Suprotein). In Exp. 1, twenty-four barrows (initial body weight [BW] of $32.2{\pm}1.7kg$) were randomly allotted to 1 of 4 diets with 6 replicates per diet. A corn basal diet and 3 diets based on a mixture of corn and 1 of 3 soybean products listed above were formulated and the DE and ME contents were determined by the difference method. The results showed that there were no differences in DE and ME between SBM and either FSBM product (p>0.05). In Exp. 2, eight barrows (initial BW of $26.8{\pm}1.5kg$) were fitted with ileal T-cannulaes and used in a replicated $4{\times}4$ Latin square design. Three corn-starch-based diets were formulated using each of the 3 soybean products as the sole source of AA. A nitrogen-free diet was also formulated to measure endogenous losses of AA. The results showed that the SID of all AA except arginine and histidine was similar for NFSB and SBM (p>0.05), but Suprotein had greater (p<0.05) SID of most AA except lysine, aspartate, glycine and proline than NFSB. In Exp. 3, a total of 144 piglets (initial BW of $8.8{\pm}1.2$ kg) were blocked by weight and fed 1 of 4 diets including a control diet with 24% SBM as well as diets containing 6% and 12% NFSB or 12% Suprotein added at the expense of SBM. During d 15 to 28, replacing SBM with 6% NFSB significantly improved average daily gain (ADG) and average daily feed intake (ADFI) (p<0.05) for nursery piglets. During the overall experiment, ADG of piglets fed diets containing 6% NFSB was significantly greater (p<0.05) than that of piglets fed SBM. In conclusion, fermentation with the new strategy did not affect the energy content or the AID and the SID of AA in SBM. However, inclusion of 6% NFSB in diets fed to nursery piglets improved performance after weaning likely as a result of better nutritional status and reduced immunological challenge.
A comparative study of single-/two-jet crossflow heat transfer on a circular cylinder
Wang, X.L.,Lee, J.H.,Lu, T.J.,Song, S.J.,Kim, T. Pergamon Press ; Elsevier Science Ltd 2014 INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER - Vol.78 No.-
This study presents thermo-fluidic characteristics on a circular cylinder subject to the impingement of single-/two-counter jets in crossflow. For a fixed circular jet diameter (D<SUB>j</SUB>), the diameter of a target cylinder (D) varies, D/D<SUB>j</SUB>=2.5, 5.0, and 10.0. Two separate scenarios are considered and compared; at a fixed jet Reynolds number, Re<SUB>j</SUB>=20,000 and at a fixed total mass flow rate. Results demonstrate that laminar to turbulent transition occurs on a fore cylinder surface which contributes significantly to overall heat transfer. However, it occurs only if the target cylinder is positioned inside the potential core of each jet and only if enough spacing (T) between the jets which is determined by the diameter ratio (D/D<SUB>j</SUB>) as T=πD/2, is ensured. With small spacing, a reverse flow region formed between the jets (=πD/4) suppresses the occurrence of the transition. For a fixed jet Reynolds number, the added second jet improves local heat transfer only on the rear cylinder surface whereas the fore cylinder surface is essentially unaffected by the second jet. For a fixed total flow rate, the single impinging jet removes substantially more heat than that achievable by the two-counter jets in the present D/D<SUB>j</SUB> ranges.
Lai, Y.-T.,Wang, M.-Z.,Adachi, I.,Aihara, H.,Asner, D. M.,Aulchenko, V.,Aushev, T.,Bakich, A. M.,Bala, A.,Bhuyan, B.,Bobrov, A.,Bozek, A.,Brax10d,ko, M.,Browder, T. E.,Chang, P.,Chekelian, V.,Chen, American Physical Society 2014 PHYSICAL REVIEW D - Vol.89 No.5
<P>We search for the charmless B-o decay with final state particles p (Lambda) over bar pi(-)gamma using the full data sample that contains 772 x 10(6)B (B) over bar pairs collected at the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. This decay is predicted to proceed predominantly via the b -> s gamma radiative penguin process with a high energy photon. No significant signal is found. We set an upper limit of 6.5 x 10(-7) for the branching fraction of B-o -> p (Lambda) over bar pi(-)gamma at the 90% confidence level.</P>
Evidence for semileptonicB−→pp¯ℓ−ν¯ℓdecays
Tien, K.-J.,Wang, M.-Z.,Adachi, I.,Aihara, H.,Asner, D. M.,Aulchenko, V.,Aushev, T.,Bakich, A. M.,Bala, A.,Bhuyan, B.,Bozek, A.,Brax10d,ko, M.,Browder, T. E.,Chang, P.,Chekelian, V.,Chen, A.,Chen, P American Physical Society 2014 PHYSICAL REVIEW D - Vol.89 No.1
Observation ofB0→pp¯K*0with a LargeK*0Polarization
Chen, J.-H.,Wang, M.-Z.,Adachi, I.,Aihara, H.,Arinstein, K.,Aulchenko, V.,Aushev, T.,Bakich, A. M.,Balagura, V.,Barberio, E.,Bay, A.,Bedny, I.,Belous, K.,Bitenc, U.,Bondar, A.,Bozek, A.,Brax10d,ko, American Physical Society 2008 Physical review letters Vol.100 No.25
<P>Using a 492 fb{-1} data sample collected near the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric-energy e{+}e{-} collider, we observe the decay B{0}-->ppK*0 with a branching fraction of (1.18{-0.25}{+0.29}(stat)+/-0.11(syst))x10{-6}. We study the decay dynamics of B{0}-->ppK*0 and compare with B{+}-->ppK*+. The K*0 meson is found to be almost 100% polarized (with a fraction of (101+/-13+/-3)% in the helicity zero state), while the K*+ meson has a (32+/-17+/-9)% fraction in the helicity zero state. The direct CP asymmetries for B{0}-->ppK*0 and B{+}-->ppK*+ are measured to be -0.08+/-0.20+/-0.02 and -0.01+/-0.19+/-0.02, respectively. In addition, we report improved measurements of the branching fractions B(B{+}-->ppK*+)=(3.38{-0.60}{+0.73}+/-0.39)x10{-6} and B(B{0}-->ppK{0})=(2.51{-0.29}{+0.35}+/-0.21)x10{-6}, which supersede our previous measurements.</P>