Evidence for<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>B</mml:mi><mml:mn>0</mml:mn></mml:msup><mml:mo>→</mml:mo><mml:msup><mml:mi>π</mml:mi><mml:mn>0</mml:mn></mml:msup><mml:msup><mml:mi>π</mml:mi><mml:mn>0</mml:mn></mml:msup></mml:math>

Lee, S. H.; Suzuki, K.; K, Abe; Abe, T.; Adachi, I.; Ahn, Byoung Sup; Aihara, H.; Akai, K.; Akatsu, M.; Akemoto, M.; Asano, Y.; Aulchenko, V.; Aushev, T.; Bakich, A. M.; Ban, Y.; Banerjee, S.; Bay, A.; Bedny, I.; Bizjak, I.; Bondar, A.; Bożek, A.; Bračko, M.; Browder, T. E.; Chang, P.; Chào, Y.; Chen, K.-F.; Cheon, B. G.; Chistov, R.; Choi, S. K.; Choi, Y.; Chuvikov, A.; Danilov, M.; Liu, Dong; Dragic, J.; Drutskoy, A.; Eidelman, S.; Eiges, V.; Enari, Y.; Flanagan, J.; Fukunaga, C.; Furukawa, K.; Gabyshev, N.; Garmash, A.; Gershon, T.; Golob, B.; Guo, R.; Haba, J.; Hagner, C.; Handa, F.; Hastings, N. C.; Hayashii, H.; Hazumi, M.; Higuchi, I.; Hokuue, T.; Hoshi, Y.; Hou, W.-S.; Huang, H.-C.; Igarashi, Y.; Iijima, T.; Ikeda, H.; Inami, K.; Ishikawa, A.; Itoh, R.; Iwasaki, H.; Iwasaki, M.; Iwasaki, M.; Kakuno, H.; Kang, J. H.; Kang, J. S.; Kapusta, P.; Kataoka, S. U.; Katayama, N.; Kawai, H.; Kawasaki, T.; Kichimi, H.; Kikutani, E.; Kim, H. J.; Kim, Hyun Woo; Kim, J. H.; Kim, S. K.; Kinoshita, K.; Koiso, H.; Korpar, S.; Križan, P.; Krokovny, P.; Kulasiri, R.; Kuzmin, A.; Kwon, Y. J.; Lange, J. S.; Leder, G.; Lesiak, T.; Li, J.; Limosani, A.; Lin, S. W.; Liventsev, D.; MacNaughton, J.; Mandl, F.; Marlow, D.; Masuzawa, M.; Matsumoto, T.; Matyja, A.; Michizono, Shinichiro; Mimashi, T.; Mitaroff, W.; Miyake, H.; Miyata, H.; Mohapatra, D.; Moloney, G. R.; Mori, T.; Nagamine, T.; Nagasaka, Y.; Nakadaira, T.; Nakamura, Tatsuro; Nakano, E.; Nakao, M.; Nakazawa, H.; Natkaniec, Z.; Nishida, S.; Nitoh, O.; Nozaki, T.; Ogawa, S.; Ogawa, Yoshinori; Ohmi, K.; Ohnishi, Y.; Ohshima, T.; Ohuchi, N.; Oide, K.; Okabe, T.; Okuno, S.; Olsen, S. L.; Ostrowicz, W.; Ozaki, H.; Park, C. W.; Park, H.; Park, K. S.; Parslow, N.; Peak, L. S.; Peters, M.; Piilonen, L. E.; Root, N.; Sagawa, H.; Saitoh, Saburou; Sakai, Y.; Sarangi, T.; Satapathy, M.; Satpathy, A.; Schneider, O.; Schümann, J.; Schwanda, C.; Schwartz, A. J.; Semenov, S.; Senyo, K.; Seuster, R.; Sevior, M. E.; Shibuya, H.; Shidara, T.; Shwartz, B.; Sidorov, V.; Singh, Jagbir; Soni, N.; Stanič, S.; Starič, M.; Sugahara, R.; Sugi, A.; Sumisawa, K.; Sumiyoshi, T.; Suzuki, S.; Takasaki, F.; Tamai, K.; Tamura, N.; Tanaka, M.; Tawada, M.; Taylor, G.N.; Teramoto, Y.; Tomura, T.; Trabelsi, K.; Tsuboyama, T.; Tsukamoto, T.; Uehara, S.; Unno, Y.; Uno, S.; Varner, G.; Varvell, K. E.; Wang, C. C.; Wang, C. H.; Wang, J. G.; Wang, M.-Z.; Watanabe, Y.; Won, E.; Yabsley, B. D.; Yamada, Y.; Yamaguchi, A.; Yamashita, Y.; Yamauchi, M.; Yanai, Haruo; Yang, Heyoung; Yoshida, Masato; Yusa, Y.; Zang, S. L.; Zhang, J.; Zhang, Z. P.; Zheng, Y.; Zhilich, V.; Žontar, D.; Zürcher, D.

doi:10.1103/physrevlett.91.261801

Cited by 173 publications

(58 citation statements)

References 23 publications

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“…The inputs to the network are (i) a Fisher discriminant [17] formed from modified Fox-Wolfram moments [18], (ii) the vertex separation between the B candidate and the remaining tracks, (iii) the cosine of the decay angle of D ! K þ À , where the decay angle is defined as the angle between the K þ candidate and the B À candidate in the rest frame of the D, (iv) the cosine of the angle between the B candidate and the beam axis in the e þ e À center-of-mass frame, (v) the expected B flavor dilution factor that ranges from zero for no flavor information to unity for unambiguous flavor assignment [19], (vi) the cosine of the angle between the thrust axis of the B candidate and that of the rest of the event, where the thrust axis is oriented in such a way that the sum of momentum projections is maximized, and four other variables that exploit the kinematics of the events.…”

mentioning

confidence: 99%

Evidence for the Suppressed DecayB−→DK−,D→K+π−

Nayak¹,

Libby²,

Trabelsi³

et al. 2011

Phys. Rev. Lett.

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The suppressed decay chain B(-)→DK(-), D→K(+)π(-), where D indicates a D(¯)(0) or D(0) state, provides important information on the CP-violating angle ϕ(3). We measure the ratio R(DK) of the decay rates to the favored mode B(-)→DK(-), D→K(-)π(+) to be R(DK)=[1.63(-0.41)(+0.44)(stat)(-0.13)(+0.07)(syst)]×10(-2), which indicates the first evidence of the signal with a significance of 4.1σ. We also measure the asymmetry A(DK) between the charge-conjugate decays to be A(DK)=-0.39(-0.28)(+0.26)(stat)(-0.03)(+0.04)(syst). The results are based on the full 772×10(6) BB(¯) pair data sample collected at the Υ(4S) resonance with the Belle detector.

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mentioning

confidence: 99%

Evidence for the Suppressed DecayB−→DK−,D→K+π−

Nayak¹,

Libby²,

Trabelsi³

et al. 2011

Phys. Rev. Lett.

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“…To suppress the dominant e þ e − → qq ðq ∈ fu; d; s; cgÞ continuum background, we use a neural network based on four input variables calculated in the CM frame: (1) the cosine of the angle between the B momentum and the z axis, (2) the likelihood ratio of modified Fox-Wolfram moments [61,62] that gives the strongest separation power, (3) the cosine of the angle between the third sphericity axes [63] calculated from the B candidate and all other particles in the rest of the event (ROE), and (4) the cosine of the angle between the first sphericity axis in the ROE and the z axis. The network is trained with a GEANT3-based Monte Carlo (MC) simulation [64].…”

Section: Background Suppressionmentioning

confidence: 99%

Measurement of time-dependent CP asymmetries in B0→KS<

Nakano¹,

Ishikawa²,

Sumisawa³

et al. 2018

Phys. Rev. D

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We report a measurement of time-dependent CP violation parameters in B 0 → K 0 S ηγ decays. The study is based on a data sample, containing 772 × 10 6 BB pairs, that was collected at the ϒð4SÞ resonance with the Belle detector at the KEKB asymmetric-energy e þ e − collider. We obtain the CP violation parameters of S ¼ −1.32 AE 0.77ðstatÞ AE 0.36ðsystÞ and A ¼ −0.48 AE 0.41ðstatÞ AE 0.07ðsystÞ for the invariant mass of the K 0 S η system up to 2.1 GeV=c 2 .

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“…Since d/L 0.4, in which d and L is the overall size of the NP and BCP domain spacing, respectively, it can be expected that the NPs are localized at the center of the PMMA domain, as theoretically predicted by Balazs and coworkers. 62 Therefore, it was concluded that the system was in non-equilibrium, trapped by a kinetic barrier formed by the rapid evaporation of solvent. Thus, to arrive at an equilibrium state the solvent was evaporated very slowly during the annealing process.…”

Section: Block Copolymer Thin Film With Inorganic Nanoparticlesmentioning

confidence: 99%

Nanoparticles as structure‐directing agents for controlling the orientation of block copolymer microdomain in thin films

Kim¹,

Wang²,

Jang

et al. 2015

J Polym Sci B Polym Phys

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Block copolymer/nanoparticle (BCP/NP) composites have attracted much attention due to their easiness of fabricating nanoscopic hierarchical structures, and significantly enhanced chemical and physical properties of the nanocomposites. Most of the focus in co-assembly of BCPs and NPs has been placed on the controlled alignment of NPs, "passively," in the BCP domain. However, NPs with carefully designed interfacial properties "actively" direct self-assembled structure of BCP in a nonconventional route. Herein, we review recent investigations of the self-assembly of BCP domains in thin films via the addition of structure-directing organic and inorganic NPs. Understanding the phase behavior of BCP/NP coassembly along with the theoretical description can shed a light on the far-reaching potentials to creating nonconventional nanostructures rarely obtained via traditional fabrication tools.

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Evidence forB0→π0π0

Cited by 173 publications

References 23 publications

Evidence for the Suppressed DecayB−→DK−,D→K+π−

Evidence for the Suppressed DecayB−→DK−,D→K+π−

Measurement of time-dependent CP asymmetries in B0→KS<

Nanoparticles as structure‐directing agents for controlling the orientation of block copolymer microdomain in thin films

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