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Search forD0−D¯0mixing using semileptonic decays at Belle
Bitenc, U.,Abe, K.,Abe, K.,Adachi, I.,Aihara, H.,Asano, Y.,Aushev, T.,Bahinipati, S.,Banerjee, S.,Barberio, E.,Barbero, M.,Bedny, I.,Bizjak, I.,Blyth, S.,Bondar, A.,Bozek, A.,Brač,ko, M.,Brodzick American Physical Society 2005 PHYSICAL REVIEW D - Vol.72 No.7
Marko Herga,Aleš Gaspari9,Marko Bitenc,Andrej Pohar,Blaž Likozar 한국공업화학회 2019 Journal of Industrial and Engineering Chemistry Vol.72 No.-
An industrial-scale stereo-selective enzymatic oxidation process for the conversion of pyrmetazole toesomeprazole was developed and optimized. Slurry-to-slurry stages are highly demanding syntheticoperations due to several deteriorating factors: competing equilibria, mass transfer limitations and longtermbio-catalytic activity. Challenging characteristics of this bio-oxidation included foaming, thickening,continuous dynamic changes in viscosity, mass transport, and bio-catalyst inactivation. By screening pH,optimization of reactant loading ratios, and modification of control, crucial production attributes ofmaterials, such as substrate particle size, were controlled and better batch-to-batch stability and scale-upwas achieved.
Study of Ωc0 and Ωc∗0 baryons at Belle
Solovieva, E.,Chistov, R.,Adachi, I.,Aihara, H.,Arinstein, K.,Aushev, T.,Bakich, A.M.,Balagura, V.,Bitenc, U.,Bondar, A.,Brač,ko, M.,Brodzicka, J.,Browder, T.E.,Chang, P.,Chen, A.,Cheon, B.G.,Cho Elsevier 2009 Physics letters: B Vol.672 No.1
<P><B>Abstract</B></P><P>We report results from a study of the charmed double strange baryons Ωc0 and Ωc∗0 at Belle. The Ωc0 is reconstructed using the Ωc0→<SUP>Ω−</SUP><SUP>π+</SUP> decay mode, and its mass is measured to be (2693.6±0.3−1.5+1.8) MeV/<SUP>c2</SUP>. The Ωc∗0 baryon is reconstructed in the Ωc0γ mode. The mass difference <SUB>MΩc∗0</SUB>−<SUB>MΩc0</SUB> is measured to be (70.7±0.9−0.9+0.1) MeV/<SUP>c2</SUP>. The analysis is performed using 673 fb<SUP>−1</SUP> of data on and near the ϒ(4S) collected with the Belle detector at the KEKB asymmetric-energy <SUP>e+</SUP><SUP>e−</SUP> collider.</P>
Study of Decay Mechanisms inB−→Λc+p¯π−Decays and Observation of Low-Mass Structure in theΛc+p¯System
Gabyshev, N.,Abe, K.,Abe, K.,Adachi, I.,Aihara, H.,Asano, Y.,Aulchenko, V.,Aushev, T.,Bakich, A. M.,Bitenc, U.,Bizjak, I.,Blyth, S.,Bondar, A.,Bozek, A.,Brač,ko, M.,Brodzicka, J.,Browder, T. E.,C American Physical Society 2006 Physical review letters Vol.97 No.24
Improved measurements of branching fractions andCPasymmetries inB→ηhdecays
Chang, P.,Abe, K.,Adachi, I.,Aihara, H.,Anipko, D.,Bakich, A. M.,Barberio, E.,Bay, A.,Bitenc, U.,Bizjak, I.,Bondar, A.,Bozek, A.,Brač,ko, M.,Browder, T. E.,Chao, Y.,Chen, A.,Chen, K.-F.,Chen, W. American Physical Society 2007 PHYSICAL REVIEW D - Vol.75 No.7
Search for τ→eγ decay at Belle
Hayasaka, K.,Abe, K.,Abe, K.,Aihara, H.,Asano, Y.,Aushev, T.,Bahinipati, S.,Bakich, A.M.,Bedny, I.,Bitenc, U.,Bizjak, I.,Blyth, S.,Bondar, A.,Bozek, A.,Brač,ko, M.,Brodzicka, J.,Browder, T.E.,Cha Elsevier 2005 Physics letters: B Vol.613 No.1
<P><B>Abstract</B></P><P>We have searched for the lepton-flavor-violating decay τ→eγ using a data sample of 86.7 fb<SUP>−1</SUP> collected with the Belle detector at the KEKB asymmetric <SUP>e+</SUP><SUP>e−</SUP> collider. No evidence for a signal is obtained, and we set an upper limit for the branching fraction B(τ→eγ)<3.9×<SUP>10−7</SUP> at the 90% C.L.</P>
Search for lepton-flavor-violating <i>τ</i> decay into a lepton and an <sub>f0</sub>(980) meson
Miyazaki, Y.,Adachi, I.,Aihara, H.,Arinstein, K.,Aushev, T.,Bakich, A.M.,Bay, A.,Bedny, I.,Bitenc, U.,Bondar, A.,Bozek, A.,Brač,ko, M.,Browder, T.E.,Chen, A.,Cheon, B.G.,Cho, I.-S.,Choi, Y.,Dalse Elsevier 2009 Physics letters: B Vol.672 No.4
<P><B>Abstract</B></P><P>We search for lepton-flavor-violating <I>τ</I> decays into a lepton (electron or muon) and an <SUB>f0</SUB>(980) meson using 671 fb<SUP>−1</SUP> of data collected with the Belle detector at the KEKB asymmetric-energy <SUP>e+</SUP><SUP>e−</SUP> collider. No events are observed and we set the following 90% C.L. upper limits on the branching fraction products: B(<SUP>τ−</SUP>→<SUP>e−</SUP><SUB>f0</SUB>(980))×B(<SUB>f0</SUB>(980)→<SUP>π+</SUP><SUP>π−</SUP>)<3.2×<SUP>10−8</SUP> and B(<SUP>τ−</SUP>→<SUP>μ−</SUP><SUB>f0</SUB>(980))×B(<SUB>f0</SUB>(980)→<SUP>π+</SUP><SUP>π−</SUP>)<3.4×<SUP>10−8</SUP>. This is the first search performed for these modes.</P>
Measurement of masses and branching ratios of Ξc+ and Ξc0 baryons
Lesiak, T.,Abe, K.,Abe, K.,Adachi, I.,Aihara, H.,Asano, Y.,Bahinipati, S.,Bakich, A.M.,Bay, A.,Bitenc, U.,Bizjak, I.,Bondar, A.,Bozek, A.,Brač,ko, M.,Brodzicka, J.,Browder, T.E.,Chao, Y.,Chen, A. Elsevier 2005 Physics letters: B Vol.605 No.3
<P><B>Abstract</B></P><P>We report a measurement of the Ξc+ and Ξc0 baryon masses, and the branching ratios for various <SUB>Ξc</SUB> decays, using 140 <SUP>fb−1</SUP> of data collected by the Belle experiment at the KEKB <SUP>e+</SUP><SUP>e−</SUP> collider. The mass splitting <SUB>mΞc0</SUB>−<SUB>mΞc+</SUB> is found to be 2.9±0.5 MeV/<SUP>c2</SUP>; this measurement is three times as precise as the current world average. We measure the branching ratios Γ(Ξc+→Λ<SUP>K−</SUP><SUP>π+</SUP><SUP>π+</SUP>)/Γ(Ξc+→<SUP>Ξ−</SUP><SUP>π+</SUP><SUP>π+</SUP>)=0.32±0.03±0.02 and Γ(Ξc0→p<SUP>K−</SUP><SUP>K−</SUP><SUP>π+</SUP>)/Γ(Ξc0→<SUP>Ξ−</SUP><SUP>π+</SUP>)=0.33±0.03±0.03, with improved precision, and measure Γ(Ξc+→pKS0KS0)/Γ(Ξc+→<SUP>Ξ−</SUP><SUP>π+</SUP><SUP>π+</SUP>)=0.087±0.016±0.014, Γ(Ξc0→Λ<SUP>K−</SUP><SUP>π+</SUP>)/Γ(Ξc0→<SUP>Ξ−</SUP><SUP>π+</SUP>)=1.07±0.12±0.07 and Γ(Ξc0→ΛKS0)/Γ(Ξc0→<SUP>Ξ−</SUP><SUP>π+</SUP>)=0.21±0.02±0.02 for the first time.</P>
Satoyama, N.,Abe, K.,Adachi, I.,Aihara, H.,Anipko, D.,Bakich, A.M.,Barberio, E.,Bedny, I.,Belous, K.,Bitenc, U.,Bizjak, I.,Bondar, A.,Bozek, A.,Brač,ko, M.,Browder, T.E.,Chang, M.-C.,Chang, P.,Ch Elsevier 2007 Physics letters: B Vol.647 No.2
<P><B>Abstract</B></P><P>We present a search for the decays <SUP>B+</SUP>→<SUP>μ+</SUP><SUB>νμ</SUB> and <SUP>B+</SUP>→<SUP>e+</SUP><SUB>νe</SUB> in a 253 fb<SUP>−1</SUP> data sample collected at the ϒ(4S) resonance with the Belle detector at the KEKB asymmetric-energy <I>B</I> factory. We find no significant evidence for a signal and set 90% confidence level upper limits of B(<SUP>B+</SUP>→<SUP>μ+</SUP><SUB>νμ</SUB>)<1.7×<SUP>10−6</SUP> and B(<SUP>B+</SUP>→<SUP>e+</SUP><SUB>νe</SUB>)<9.8×<SUP>10−7</SUP>.</P>
Search for lepton flavor violating <sup>τ−</sup> decays with a KS0 meson
Miyazaki, Y.,Abe, K.,Abe, K.,Aihara, H.,Anipko, D.,Arinstein, K.,Aulchenko, V.,Aushev, T.,Bakich, A.M.,Barbero, M.,Bedny, I.,Belous, K.,Bitenc, U.,Bizjak, I.,Blyth, S.,Bondar, A.,Bozek, A.,Brač,k Elsevier 2006 Physics letters: B Vol.639 No.3
<P><B>Abstract</B></P><P>We have searched for the lepton flavor violating decays <SUP>τ−</SUP>→<SUP>ℓ−</SUP>KS0 (ℓ=e or <I>μ</I>), using a data sample of 281 fb<SUP>−1</SUP> collected with the Belle detector at the KEKB <SUP>e+</SUP><SUP>e−</SUP> asymmetric-energy collider. No evidence for a signal was found in either of the decay modes, and we set the following upper limits for the branching fractions: B(<SUP>τ−</SUP>→<SUP>e−</SUP>KS0)<5.6×<SUP>10−8</SUP> and B(<SUP>τ−</SUP>→<SUP>μ−</SUP>KS0)<4.9×<SUP>10−8</SUP> at the 90% confidence level. These results improve the previously published limits set by the CLEO Collaboration by factors of 16 and 19, respectively.</P>