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1. Triboelectric backgrounds to radio-based polar ultra-high energy neutrino (UHEN) experiments

Author

Aguilar, JA, Anker, A, Allison, P, Archambault, S, Baldi, P, Barwick, SW, Beatty, JJ, Beise, J, Besson, D, Bishop, A, Bondarev, E, Botner, O, Bouma, S, Buitink, S, Cataldo, M, Chen, CC, Chen, CH, Chen, P, Chen, YC, Choi, T, Clark, BA, Clay, W, Curtis-Ginsberg, Z, Connolly, A, Cremonesi, L, Dasgupta, P, Davies, J, de Kockere, S, de Vries, KD, Deaconu, C, DuVernois, MA, Flaherty, J, Friedman, E, Gaior, R, Gaswint, G, Glaser, C, Hallgren, A, Hallmann, S, Ham, Y-B, Hanson, JC, Harty, N, Hendricks, B, Hoffman, KD, Hong, E, Hornhuber, C, Hsu, SY, Hu, L, Huang, JJ, Huang, M-H, Hughes, K, Ishihara, A, Jee, G, Jung, J, Karle, A, Kelley, JL, Klein, SR, Kleinfelder, SA, Kim, J, Kim, K-C, Kim, M-C, Kravchenko, I, Krebs, R, Ku, Y, Kuo, CY, Kurusu, K, Kwon, Hyuck-Jin, Lahmann, R, Landsman, H, Latif, U, Lee, C, Leung, C-H, Li, C-J, Liu, J, Liu, T-C, Lu, M-Y, Madison, K, Mammo, J, Mase, K, McAleer, S, Meures, T, Meyers, ZS, Michaels, K, Mikhailova, M, Mulrey, K, Nam, J, Nichol, RJ, Nir, G, Nelles, A, Novikov, A, Nozdrina, A, Oberla, E, Oeyen, B, Osborn, J, Pan, Y, Pandya, H, Paul, MP, Persichilli, C, Pfendner, C, Plaisier, I, and Punsuebsay, N

Subjects
Particle and High Energy Physics, Physical Sciences, Neutrino, Ultra-high energy cosmic rays, Background rejection, Triboelectric effect, Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Nuclear & Particles Physics, Astronomical sciences, Particle and high energy physics
Abstract

In the hopes of observing the highest-energy neutrinos (E>1 EeV) populating the Universe, both past (RICE, AURA, ANITA) and current (RNO-G, ARIANNA, ARA and TAROGE-M) polar-sited experiments exploit the impulsive radio emission produced by neutrino interactions. In such experiments, rare single event candidates must be unambiguously identified above backgrounds. Background rejection strategies to date primarily target thermal noise fluctuations and also impulsive radio-frequency signals of anthropogenic origin. In this paper, we consider the possibility that ‘fake’ neutrino signals may also be generated naturally via the ‘triboelectric effect.’ This broadly describes any process in which force applied at a boundary layer results in displacement of surface charge, leading to the production of an electrostatic potential difference ΔV. Wind blowing over granular surfaces such as snow can induce such a potential difference, with subsequent coronal discharge. Discharges over timescales as short as nanoseconds can then lead to radio-frequency emissions at characteristic MHz–GHz frequencies. Using data from various past (RICE, AURA, SATRA, ANITA) and current (RNO-G, ARIANNA and ARA) neutrino experiments, we find evidence for such backgrounds, which are generally characterized by: (a) a threshold wind velocity which likely depends on the experimental trigger criteria and layout; for the experiments considered herein, this value is typically O(10 m/s), (b) frequency spectra generally shifted to the low-end of the frequency regime to which current radio experiments are typically sensitive (100–200 MHz), (c) for the strongest background signals, an apparent preference for discharges from above-surface structures, although the presence of more isotropic, lower amplitude triboelectric discharges cannot be excluded.

Published
2023

2. A low-threshold ultrahigh-energy neutrino search with the Askaryan Radio Array

Author

Allison, P., Archambault, S., Beatty, J. J., Besson, D. Z., Bishop, A., Chen, C. C., Chen, C. H., Chen, P., Chen, Y. C., Clark, B. A., Clay, W., Connolly, A., Cremonesi, L., Dasgupta, P., Davies, J., de Kockere, S., de Vries, K. D., Deaconu, C., DuVernois, M. A., Flaherty, J., Friedman, E., Gaior, R., Hanson, J., Harty, N., Hendricks, B., Hoffman, K. D., Hong, E., Hsu, S. Y., Hu, L., Huang, J. J., Huang, M. -H., Hughes, K., Ishihara, A., Karle, A., Kelley, J. L., Kim, K. -C., Kim, M. -C., Kravchenko, I., Krebs, R., Ku, Y., Kuo, C. Y., Kurusu, K., Landsman, H., Latif, U. A., Li, C. -J., Liu, T. -C., Lu, M. -Y., Madison, B., Madison, K., Mase, K., Meures, T., Nam, J., Nichol, R. J., Nir, G., Novikov, A., Nozdrina, A., Oberla, E., Osborn, J., Pan, Y., Pfendner, C., Punsuebsay, N., Roth, J., Seckel, D., Seikh, M. F. H., Shiao, Y. -S., Shultz, A., Smith, D., Toscano, S., Torres, J., Touart, J., van Eijndhoven, N., Varner, G. S., Vieregg, A., Wang, M. -Z., Wang, S. -H., Wang, Y. H., Wissel, S. A., Xie, C., Yoshida, S., and Young, R.

Subjects
Astrophysics - High Energy Astrophysical Phenomena, Astrophysics - Instrumentation and Methods for Astrophysics
Abstract

In the pursuit of the measurement of the still-elusive ultrahigh-energy (UHE) neutrino flux at energies of order EeV, detectors using the in-ice Askaryan radio technique have increasingly targeted lower trigger thresholds. This has led to improved trigger-level sensitivity to UHE neutrinos. Working with data collected by the Askaryan Radio Array (ARA), we search for neutrino candidates at the lowest threshold achieved to date, leading to improved analysis-level sensitivities. A neutrino search on a data set with 208.7~days of livetime from the reduced-threshold fifth ARA station is performed, achieving a 68\% analysis efficiency over all energies on a simulated mixed-composition neutrino flux with an expected background of $0.10_{-0.04}^{+0.06}$ events passing the analysis. We observe one event passing our analysis and proceed to set a neutrino flux limit using a Feldman-Cousins construction. We show that the improved trigger-level sensitivity can be carried through an analysis, motivating the Phased Array triggering technique for use in future radio-detection experiments. We also include a projection using all available data from this detector. Finally, we find that future analyses will benefit from studies of events near the surface to fully understand the background expected for a large-scale detector., Comment: 15 pages, 8 figures

Published
2022
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3. Triboelectric Backgrounds to radio-based UHE Neutrino Exeperiments

Author

Aguilar, J. A., Anker, A., Allison, P., Archambault, S., Baldi, P., Barwick, S. W., Beatty, J. J., Beise, J., Besson, D., Bishop, A., Bondarev, E., Botner, O., Bouma, S., Buitink, S., Cataldo, M., Chen, C. C., Chen, C. H., Chen, P., Chen, Y. C., Clark, B. A., Clay, W., Curtis-Ginsberg, Z., Connolly, A., Dasgupta, P., de Kockere, S., de Vries, K. D., Deaconu, C., DuVernois, M. A., Flaherty, J., Friedman, E., Gaior, R., Gaswint, G., Glaser, C., Hallgren, A., Hallmann, S., Hanson, J. C., Harty, N., Hendricks, B., Hoffman, K. D., Hornhuber, C., Hsu, S. Y., Hu, L., Huang, J. J., Huang, M. -H., Hughes, K., Ishihara, A., Karle, A., Kelley, J. L., Klein, S. R., Kleinfelder, S. A., Kim, K. -C., Kim, M. -C., Kravchenko, I., Krebs, R., Ku, Y., Kuo, C. Y., Kurusu, K., Lahmann, R., Landsman, H., Latif, U., Li, C. -J., Liu, J., Liu, T. -C., Lu, M. -Y., Madison, K., Mammo, J., Mase, K., McAleer, S., Meures, T., Meyers, Z. S., Michaels, K., Mikhailova, M., Mulrey, K., Nam, J., Nichol, R. J., Nelles, A., Novikov, A., Nozdrina, A., Oberla, E., Oeyen, B., Osborn, J., Pan, Y., Pandya, H., Paul, M. P., Persichilli, C., Plaisier, I., Punsuebsay, N., Pyras, L., Rice-Smith, R., Roth, J., Ryckbosch, D., Scholten, O., Seckel, D., Seikh, M. F. H., Shiao, Y. -S., Smith, D., Southall, D., Tatar, J., Torres, J., Toscano, S., Tosi, D., Touart, J., Broeck, D. J. Van Den, van Eijndhoven, N., Varner, G. S., Vieregg, A. G., Wang, M. -Z., Wang, S. -H, Wang, Y. H., Welling, C., Williams, D. R., Wissel, S., Xie, C., Yoshida, S., Young, R., Zhao, L., and Zink, A.

Subjects
Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - High Energy Astrophysical Phenomena
Abstract

The proposed IceCube-Gen2 (ICG2) seeks to instrument ~500 sq. km of Antarctic ice near the geographic South Pole with radio antennas, in order to observe the highest energy (E>1 EeV) neutrinos in the Universe. To this end, ICG2 will use the impulsive radio-frequency (RF) signal produced by neutrino interactions in polar ice caps. In such experiments, rare single event candidates must be unambiguously separated from background; to date, signal identification strategies primarily reject thermal noise and anthropogenic backgrounds. Here, we consider the possibility that fake neutrino signals may also be naturally generated via the 'triboelectric effect'. This broadly includes any process in which force applied at a boundary layer results in displacement of surface charge, generating a potential difference {\Delta}V. Wind blowing over granular surfaces such as snow can induce such a {\Delta}V, with subsequent discharge. Discharges over nanosecond-timescales can then lead to RF emissions at characteristic MHz-GHz frequencies. We find that such backgrounds are evident in the several neutrino experiments considered, and are generally characterized by: a) a threshold wind velocity which likely depends on the experimental signal trigger threshold and layout; for the experiments considered herein, this value is typically O(10 m/s), b) frequency spectra generally shifted to the low-end of the frequency regime to which current radio experiments are typically sensitive (100-200 MHz), c) for the strongest background signals, an apparent preference for discharges from above-surface structures, although the presence of more isotropic, lower amplitude triboelectric discharges cannot be excluded.

Published
2021

4. The Payload for Ultrahigh Energy Observations (PUEO): A White Paper

Author

Abarr, Q., Allison, P., Yebra, J. Ammerman, Alvarez-Muñiz, J., Beatty, J. J., Besson, D. Z., Chen, P., Chen, Y., Clem, J. M., Connolly, A., Cremonesi, L., Deaconu, C., Flaherty, J., Frikken, D., Gorham, P. W., Hast, C., Hornhuber, C., Huang, J. J., Hughes, K., Hynous, A., Ku, Y., Kuo, C. -Y., Liu, T. C., Martin, Z., Miki, C., Nam, J., Nichol, R. J., Nishimura, K., Novikov, A., Nozdrina, A., Oberla, E., Prohira, S., Prechelt, R., Rauch, B. F., Roberts, J. M., Romero-Wolf, A., Russell, J. W., Seckel, D., Shiao, J., Smith, D., Southall, D., Varner, G. S., Vieregg, A. G., Wang, S. -H., Wang, Y. -H., Wissel, S. A., Xie, C., Young, R., Zas, E., and Zeolla, A.

Subjects
Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - High Energy Astrophysical Phenomena, High Energy Physics - Experiment, Physics - Instrumentation and Detectors
Abstract

The Payload for Ultrahigh Energy Observations (PUEO) long-duration balloon experiment is designed to have world-leading sensitivity to ultrahigh-energy neutrinos at energies above 1 EeV. Probing this energy region is essential for understanding the extreme-energy universe at all distance scales. PUEO leverages experience from and supersedes the successful Antarctic Impulsive Transient Antenna (ANITA) program, with an improved design that drastically improves sensitivity by more than an order of magnitude at energies below 30 EeV. PUEO will either make the first significant detection of or set the best limits on ultrahigh-energy neutrino fluxes., Comment: 40 pages, 17 figures. Version accepted to JINST

Published
2020
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5. Search for $B^0$ Decays to Invisible Final States ($+\gamma$) at Belle

Author

Belle Collaboration, Ku, Y., Chang, P., Adachi, I., Adamczyk, K., Aihara, H., Asner, D. M., Aushev, T., Ayad, R., Behera, P., {n}o, C. Bele\, Bennett, J., Bhardwaj, V., Bilka, T., Biswal, J., Bonvicini, G., Bozek, A., Bračko, M., Chang, M. -C., Chekelian, V., Chilikin, K., Cho, K., Choi, S. -K., Choi, Y., Cinabro, D., Cunliffe, S., Dash, N., De Nardo, G., Dong, T. V., Eidelman, S., Epifanov, D., Fast, J. E., Fulsom, B. G., Garg, R., Gaur, V., Gabyshev, N., Garmash, A., Goldenzweig, P., Grzymkowska, O., Guan, Y., Hartbrich, O., Hayasaka, K., Hayashii, H., Villanueva, M. Hernandez, Higuchi, T., Hou, W. -S., Hsu, C. -L., Huang, K., Inami, K., Inguglia, G., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Jia, S., Jin, Y., Kang, K. H., Kawasaki, T., Kichimi, H., Kiesling, C., Kim, C. H., Kim, D. Y., Kimmel, T. D., Kinoshita, K., Kodyš, P., Korpar, S., Križan, P., Kroeger, R., Krokovny, P., Kuhr, T., Kulasiri, R., Kumar, R., Kwon, Y. -J., Lai, Y. -T., Li, Y. B., Gioi, L. Li, Libby, J., Lieret, K., MacQueen, C., Matvienko, D., Merola, M., Mizuk, R., Mohanty, G. B., Moon, T. J., Mori, T., Mussa, R., Natkaniec, Z., Nayak, M., Nisar, N. K., Nishida, S., Nishimura, K., Ogawa, K., Ogawa, S., Ono, H., Oskin, P., Pakhlov, P., Pakhlova, G., Park, H., Park, S. -H., Patra, S., Pedlar, T. K., Pestotnik, R., Piilonen, L. E., Podobnik, T., Popov, V., Prim, M. T., Ritter, M., Röhrken, M., Rostomyan, A., Rout, N., Russo, G., Sakai, Y., Santelj, L., Sanuki, T., Savinov, V., Schnell, G., Schueler, J., Schwanda, C., Schwartz, A. J., Senyo, K., Shapkin, M., Shiu, J. -G., Shwartz, B., Sokolov, A., Solovieva, E., Starič, M., Stottler, Z. S., Sumihama, M., Sumiyoshi, T., Takizawa, M., Tamponi, U., Tanida, K., Tenchini, F., Trabelsi, K., Uchida, M., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Usov, Y., Varner, G., Varvell, K. E., Vinokurova, A., Wang, C. H., Wang, E., Wang, M. -Z., Wang, P., Wang, X. L., Watanabe, M., Won, E., Xu, X., Yang, S. B., Ye, H., Yuan, C. Z., Zhang, Z. P., and Zhukova, V.

Subjects
High Energy Physics - Experiment
Abstract

We report searches for $B^0\to\rm{invisible}$ and $B^0\to\rm{invisible}+\gamma$ decays, where the energy of the photon is required to be larger than 0.5 GeV. These results are obtained from a $711\,{\rm fb}^{-1}$ data sample that contains $772 \times 10^6 B\bar{B}$ pairs and was collected near the $\Upsilon\,(4S)$ resonance with the Belle detector at the KEKB $e^+ e^-$ collider. We observe no significant signal for either decay and set upper limits on their branching fractions at $90\%$ confidence level of $\mathcal{B}\,(B^0\to\rm{invisible}) < 7.8\times10^{-5}$ and $\mathcal{B}\,(B^0\to\rm{invisible}+\gamma) < 1.6\times10^{-5}$., Comment: submitted to Physical Review D

Published
2020
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6. Triboelectric backgrounds to radio-based polar ultra-high energy neutrino (UHEN) experiments

Author

Aguilar, J.A., Anker, A., Allison, P., Archambault, S., Baldi, P., Barwick, S.W., Beatty, J.J., Beise, J., Besson, D., Bishop, A., Bondarev, E., Botner, O., Bouma, S., Buitink, S., Cataldo, M., Chen, C.C., Chen, C.H., Chen, P., Chen, Y.C., Choi, T., Clark, B.A., Clay, W., Curtis-Ginsberg, Z., Connolly, A., Cremonesi, L., Dasgupta, P., Davies, J., de Kockere, S., de Vries, K.D., Deaconu, C., DuVernois, M.A., Flaherty, J., Friedman, E., Gaior, R., Gaswint, G., Glaser, C., Hallgren, A., Hallmann, S., Ham, Y.-B., Hanson, J.C., Harty, N., Hendricks, B., Hoffman, K.D., Hong, E., Hornhuber, C., Hsu, S.Y., Hu, L., Huang, J.J., Huang, M.-H., Hughes, K., Ishihara, A., Jee, G., Jung, J., Karle, A., Kelley, J.L., Klein, S.R., Kleinfelder, S.A., Kim, J., Kim, K.-C., Kim, M.-C., Kravchenko, I., Krebs, R., Ku, Y., Kuo, C.Y., Kurusu, K., Kwon, Hyuck-Jin, Lahmann, R., Landsman, H., Latif, U., Lee, C., Leung, C.-H., Li, C.-J., Liu, J., Liu, T.-C., Lu, M.-Y., Madison, K., Mammo, J., Mase, K., McAleer, S., Meures, T., Meyers, Z.S., Michaels, K., Mikhailova, M., Mulrey, K., Nam, J., Nichol, R.J., Nir, G., Nelles, A., Novikov, A., Nozdrina, A., Oberla, E., Oeyen, B., Osborn, J., Pan, Y., Pandya, H., Paul, M.P., Persichilli, C., Pfendner, C., Plaisier, I., Punsuebsay, N., Pyras, L., Rice-Smith, R., Roth, J., Ryckbosch, D., Scholten, O., Seckel, D., Seikh, M.F.H., Shiao, Y.-S., Shin, B.-K., Shultz, A., Smith, D., Southall, D., Tatar, J., Torres, J., Toscano, S., Tosi, D., Touart, J., Van Den Broeck, D.J., van Eijndhoven, N., Varner, G.S., Vieregg, A.G., Wang, M.-Z., Wang, S.-H., Wang, Y.H., Welling, C., Williams, D.R., Wissel, S., Xie, C., Yoshida, S., Young, R., Zhao, L., and Zink, A.

Published
2023
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7. The Askaryan Radio Array: latest results and ongoing work

Author

Toscano, Simona, primary, Allison, P., additional, Archambault, S., additional, Beatty, J., additional, Besson, D. Z., additional, Bishop, A., additional, Chen, C., additional, Chen, P., additional, Chen, Y., additional, Clark, B. A., additional, Clay, W., additional, Connolly, A., additional, Cremonesi, L., additional, Dasgupta, P., additional, Davies, J., additional, De Kockere, S., additional, de Vries, K. D., additional, Deaconu, C., additional, DuVernois, M. A., additional, Flaherty, J., additional, Friedman, E., additional, Gaior, R., additional, Hanson, J., additional, Harty, N., additional, Hendricks, B., additional, Hoffman, K. D., additional, Hong, E., additional, Hsu, S. Y., additional, Hu, L., additional, Huang, J., additional, Huang, M.-H. A., additional, Hughes, K., additional, Ishihara, A., additional, Karle, A., additional, Kelley, J. L., additional, Kim, K.-C., additional, Kim, M.-C., additional, Kravchenko, I., additional, Krebs, R., additional, Ku, Y., additional, Kuo, C. Y., additional, Kurusu, K., additional, Landsman, H., additional, Latif, U. A., additional, Li, C.-J., additional, Liu, T.-C., additional, Lu, M.-Y., additional, Madison, B., additional, Madison, K., additional, Mase, K., additional, Meures, T., additional, Nam, J., additional, Nichol, R. J., additional, Nir, G., additional, Novikov, A., additional, Nozdrina, A., additional, Oberla, E., additional, Osborn, J., additional, Pan, Y., additional, Pfendner, C., additional, Punsuebsay, N., additional, Roth, J., additional, Seckel, D., additional, Seikh, M. F. H., additional, Shiao, Y.-S., additional, Shultz, A., additional, Smith, D. J.B., additional, Torres, J., additional, Touart, J., additional, van Eijndhoven, N., additional, Varner, G., additional, Vieregg, A., additional, Wang, M.-Z., additional, Wang, S.-H., additional, Wang, Y., additional, Wissel, S. A., additional, Xie, C., additional, Yoshida, S., additional, and Young, R., additional

Published
2023
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8. Preparation of enhanced antifouling graphene oxide cellulose acetate mixed-matrix membrane using ethyl lactate green solvent.

Author

Chai, P. V., Ku, Y. K., and Chan, W. J.

Subjects
*CELLULOSE acetate, *GRAPHENE oxide, *LACTATES, *ENVIRONMENTAL remediation, *LACTATION, *NANOSTRUCTURED materials, *SOLVENTS, *POLYETHERSULFONE
Abstract

Membrane technology has received tremendous amount of attention globally, especially in the field of environmental remediation. However, the current membrane synthesis process usually uses conventional solvent namely N-methyl-2-pyrrolidone (NMP), dimethylformamide (DMF), dimethylacetamide (DMAc) and tetrahydrofuran (THF) which is deemed to be not entirely safe for the environment. Associated with this, this study aims to adopt a greener approach in preparing the membrane via the usage of green solvent. First, cellulose acetate (CA) membrane was prepared by using ethyl lactate (EL) as green solvent under the presence of graphene oxide (GO). GO based MMM membranes were fabricated via phase inversion process by employing 20 wt% of CA, 80 wt% of EL and varying the concentration of GO from 0 – 3 wt% to probe the efficiency of GO nanohybrids concentration towards membrane performance. Several characterization processes were carried out namely surface wettability, porosity, and pore size measurement. Subsequently, the membrane performance was probe in their pure water flux and flux recovery ratio (FRR) capability. With the addition of 1 wt% GO, M2 (modified membrane) demonstrated improvement in terms of hydrophilicity and porosity for approximately 14.51% and 47.40% respectively. Besides that, membrane pure water flux and FRR increased by 2.56-fold and 3.46-fold respectively as compared to M0 (unmodified membrane). Owing to these findings, the usage of green solvent together with the nanomaterial was seen as a promising green approach in membrane synthesis process. [ABSTRACT FROM AUTHOR]

Published
2023
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9. Triboelectric backgrounds to radio-based polar ultra-high energy neutrino (UHEN) experiments

Author

Aguilar, J. A., Anker, A., Allison, P., Archambault, S., Baldi, P., Barwick, S. W., Beatty, J. J., Beise, Jakob, Besson, D., Bishop, A., Bondarev, E., Botner, Olga, Bouma, S., Buitink, S., Cataldo, M., Chen, C. C., Chen, C. H., Chen, P., Chen, Y. C., Choi, T., Clark, B. A., Clay, W., Curtis-Ginsberg, Z., Connolly, A., Cremonesi, L., Dasgupta, P., Davies, J., de Kockere, S., de Vries, K. D., Deaconu, C., DuVernois, M. A., Flaherty, J., Friedman, E., Gaior, R., Gaswint, G., Glaser, Christian, Hallgren, Allan, Hallmann, S., Ham, Y-B, Hanson, J. C., Harty, N., Hendricks, B., Hoffman, K. D., Hong, E., Hornhuber, C., Hsu, S. Y., Hu, L., Huang, J. J., Huang, M-H, Hughes, K., Ishihara, A., Jee, G., Jung, J., Karle, A., Kelley, J. L., Klein, S. R., Kleinfelder, S. A., Kim, J., Kim, K-C, Kim, M-C, Kravchenko, I, Krebs, R., Ku, Y., Kuo, C. Y., Kurusu, K., Kwon, Hyuck-Jin, Lahmann, R., Landsman, H., Latif, U., Lee, C., Leung, C-H, Li, C-J, Liu, J., Liu, T-C, Lu, M-Y, Madison, K., Mammo, J., Mase, K., McAleer, S., Meures, T., Meyers, Z. S., Michaels, K., Mikhailova, M., Mulrey, K., Nam, J., Nichol, R. J., Nir, G., Nelles, A., Novikov, A., Nozdrina, A., Oberla, E., Oeyen, B., Osborn, J., Pan, Y., Pandya, H., Paul, M. P., Persichilli, C., Pfendner, C., Plaisier, I, Punsuebsay, N., Pyras, L., Rice-Smith, R., Roth, J., Ryckbosch, D., Scholten, O., Seckel, D., Seikh, M. F. H., Shiao, Y-S, Shin, B-K, Shultz, A., Smith, D., Southall, D., Tatar, J., Torres, J., Toscano, S., Tosi, D., Touart, J., Van den Broeck, D. J., van Eijndhoven, N., Varner, G. S., Vieregg, A. G., Wang, M-Z, Wang, S-H, Wang, Y. H., Welling, C., Williams, D. R., Wissel, S., Xie, C., Yoshida, S., Young, R., Zhao, L., Zink, A., Aguilar, J. A., Anker, A., Allison, P., Archambault, S., Baldi, P., Barwick, S. W., Beatty, J. J., Beise, Jakob, Besson, D., Bishop, A., Bondarev, E., Botner, Olga, Bouma, S., Buitink, S., Cataldo, M., Chen, C. C., Chen, C. H., Chen, P., Chen, Y. C., Choi, T., Clark, B. A., Clay, W., Curtis-Ginsberg, Z., Connolly, A., Cremonesi, L., Dasgupta, P., Davies, J., de Kockere, S., de Vries, K. D., Deaconu, C., DuVernois, M. A., Flaherty, J., Friedman, E., Gaior, R., Gaswint, G., Glaser, Christian, Hallgren, Allan, Hallmann, S., Ham, Y-B, Hanson, J. C., Harty, N., Hendricks, B., Hoffman, K. D., Hong, E., Hornhuber, C., Hsu, S. Y., Hu, L., Huang, J. J., Huang, M-H, Hughes, K., Ishihara, A., Jee, G., Jung, J., Karle, A., Kelley, J. L., Klein, S. R., Kleinfelder, S. A., Kim, J., Kim, K-C, Kim, M-C, Kravchenko, I, Krebs, R., Ku, Y., Kuo, C. Y., Kurusu, K., Kwon, Hyuck-Jin, Lahmann, R., Landsman, H., Latif, U., Lee, C., Leung, C-H, Li, C-J, Liu, J., Liu, T-C, Lu, M-Y, Madison, K., Mammo, J., Mase, K., McAleer, S., Meures, T., Meyers, Z. S., Michaels, K., Mikhailova, M., Mulrey, K., Nam, J., Nichol, R. J., Nir, G., Nelles, A., Novikov, A., Nozdrina, A., Oberla, E., Oeyen, B., Osborn, J., Pan, Y., Pandya, H., Paul, M. P., Persichilli, C., Pfendner, C., Plaisier, I, Punsuebsay, N., Pyras, L., Rice-Smith, R., Roth, J., Ryckbosch, D., Scholten, O., Seckel, D., Seikh, M. F. H., Shiao, Y-S, Shin, B-K, Shultz, A., Smith, D., Southall, D., Tatar, J., Torres, J., Toscano, S., Tosi, D., Touart, J., Van den Broeck, D. J., van Eijndhoven, N., Varner, G. S., Vieregg, A. G., Wang, M-Z, Wang, S-H, Wang, Y. H., Welling, C., Williams, D. R., Wissel, S., Xie, C., Yoshida, S., Young, R., Zhao, L., and Zink, A.

Abstract

In the hopes of observing the highest-energy neutrinos (E> 1 EeV) populating the Universe, both past (RICE, AURA, ANITA) and current (RNO-G, ARIANNA, ARA and TAROGE-M) polar-sited experiments exploit the impulsive radio emission produced by neutrino interactions. In such experiments, rare single event candidates must be unambiguously identified above backgrounds. Background rejection strategies to date primarily target thermal noise fluctuations and also impulsive radio-frequency signals of anthropogenic origin. In this paper, we consider the possibility that 'fake' neutrino signals may also be generated naturally via the `triboelectric effect' This broadly describes any process in which force applied at a boundary layer results in displacement of surface charge, leading to the production of an electrostatic potential difference AV. Wind blowing over granular surfaces such as snow can induce such a potential difference, with subsequent coronal discharge. Discharges over timescales as short as nanoseconds can then lead to radio-frequency emissions at characteristic MHz-GHz frequencies. Using data from various past (RICE, AURA, SATRA, ANITA) and current (RNO G, ARIANNA and ARA) neutrino experiments, we find evidence for such backgrounds, which are generally characterized by: (a) a threshold wind velocity which likely depends on the experimental trigger criteria and layout; for the experiments considered herein, this value is typically O(10 m/s), (b) frequency spectra generally shifted to the low-end of the frequency regime to which current radio experiments are typically sensitive (100-200 MHz), (c) for the strongest background signals, an apparent preference for discharges from above-surface structures, although the presence of more isotropic, lower amplitude triboelectric discharges cannot be excluded.

Published
2023
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10. A 3nm CMOS FinFlex™ Platform Technology with Enhanced Power Efficiency and Performance for Mobile SoC and High Performance Computing Applications

Author

Wu, Shien-Yang, primary, Chang, C.H., additional, Chiang, M.C., additional, Lin, C.Y., additional, Liaw, J.J., additional, Cheng, J.Y., additional, Yeh, J.Y., additional, Chen, H.F., additional, Chang, S.Y., additional, Lai, K.T., additional, Liang, M.S., additional, Pan, K.H., additional, Chen, J.H., additional, Chang, V.S., additional, Luo, T.C., additional, Wang, X., additional, Mor, Y.S., additional, Lin, C.I., additional, Wang, S.H., additional, Hsieh, M.Y., additional, Chen, C.Y., additional, Wu, B.F., additional, Lin, C.J., additional, Liang, C.S., additional, Tsao, C.P., additional, Li, C.T., additional, Chen, C.H., additional, Hsieh, C.H., additional, Liu, H.H., additional, Chen, P.N., additional, Chen, C.C., additional, Chen, R., additional, Yeo, Y.C., additional, Chui, C.O., additional, Chang, W., additional, Lee, T.L., additional, Huang, K.B., additional, Lin, H.J., additional, Chen, K.W., additional, Tsai, M.H., additional, Chen, K.S., additional, Chen, X.M., additional, Cheng, Y.K., additional, Wang, C.H., additional, Shue, W., additional, Ku, Y., additional, Jang, S. M., additional, Cao, M., additional, Lu, L.C., additional, and Chang, T.S., additional

Published
2022
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13. Variability in Asian parents’ English and mathematics skills: A family-based study

Author

Pan, D. J., Yang, X., Ku, Y. Y. S., Dulay, K. M., Cheung, S. K., McBride, C., Wong, P. C. M., and Ho, C. S. H.

Subjects
BF, LB, HM, Education
Abstract

What explains parental English word reading and mathematics performance? The present study examined whether parent-, family-, and child-related variables explain parents’ English word reading and mathematics performances among two groups of Asian parents. The data were collected from 152 Hong Kong and 280 Cebu City (Philippines) parents who learn English as a second language. The academic performances of their children (Hong Kong: Mean age = 8.72 years; Cebu City; Mean age = 6.59 years) were also measured. Regression analysis results suggested that, across both groups, parents with higher education levels tended to perform better in English word reading. In addition, in Hong Kong, but not the Philippines, family income was a unique correlate of parental English word reading performance, whereas in the Philippines, but not Hong Kong, the parent’s own mathematics skill and the child’s own English word reading skill were also uniquely associated with parental English performance. Across both groups, parents’ mathematics skills were associated with better literacy skills. In addition, in Hong Kong, more positive attitudes toward mathematics were additionally predictive of better mathematics performance, as were children’s own mathematics performances. In the Philippines only, mothers tended to be poorer in mathematics than fathers. Such results underscore the complexity of family related literacy and mathematics, including family status and intergenerational effects.

Published
2022

14. Percutaneous Isolated Liver Chemoperfusion for Treatment of Unresectable Malignant Liver Tumors: Technique, Pharmacokinetics, Clinical Results

Author

Ku, Y., Iwasaki, T., Fukumoto, T., Tominaga, M., Muramatsu, S., Kusunoki, N., Sugimoto, T., Suzuki, Y., Kuroda, Y., Saitoh, Y., Schlag, P. M., editor, Senn, H.-J., editor, Diehl, V., editor, Parkin, D. M., editor, Rajewsky, M. F., editor, Rubens, R., editor, Wannenmacher, M., editor, Oldhafer, Karl J., editor, Lang, Hauke, editor, and Pichlmayr, Rudolf, editor

Published
1998
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19. The Payload for Ultrahigh Energy Observations (PUEO): a white paper

Author

Abarr, Q., additional, Allison, P., additional, Ammerman Yebra, J., additional, Alvarez-Muñiz, J., additional, Beatty, J.J., additional, Besson, D.Z., additional, Chen, P., additional, Chen, Y., additional, Xie, C., additional, Clem, J.M., additional, Connolly, A., additional, Cremonesi, L., additional, Deaconu, C., additional, Flaherty, J., additional, Frikken, D., additional, Gorham, P.W., additional, Hast, C., additional, Hornhuber, C., additional, Huang, J.J., additional, Hughes, K., additional, Hynous, A., additional, Ku, Y., additional, Kuo, C.-Y., additional, Liu, T.C., additional, Martin, Z., additional, Miki, C., additional, Nam, J., additional, Nichol, R.J., additional, Nishimura, K., additional, Novikov, A., additional, Nozdrina, A., additional, Oberla, E., additional, Prohira, S., additional, Prechelt, R., additional, Rauch, B.F., additional, Roberts, J.M., additional, Romero-Wolf, A., additional, Russell, J.W., additional, Seckel, D., additional, Shiao, J., additional, Smith, D., additional, Southall, D., additional, Varner, G.S., additional, Vieregg, A.G., additional, Wang, S.-H., additional, Wang, Y.-H., additional, Wissel, S.A., additional, Young, R., additional, Zas, E., additional, and Zeolla, A., additional

Published
2021
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20. The Calibration of the Geometry and Antenna Delay in Askaryan Radio Array Station 4 and 5

Author

Dasgupta, Paramita, primary, Hughes, Kaeli, additional, Beheler-Amass, M., additional, Dasgupta, P., additional, Huang, M.-H. A., additional, Allison, P., additional, Archambault, S., additional, Beatty, J.J., additional, Besson, D.Z., additional, Beydler, M., additional, Chen, C.H., additional, Chen, P., additional, Chen, Y.C., additional, Clark, B.A., additional, Clay, W., additional, Connolly, A., additional, Cremonesi, L., additional, Davies, J., additional, D. de Vries, K, additional, Deaconu, C., additional, Flaherty, J., additional, Friedman, E., additional, Gaior, R., additional, Hanson, K., additional, Harty, N., additional, Hendricks, B., additional, Hoffman, K.D., additional, Hokanson-Fasig, B., additional, Hong, E., additional, Hsu, S.Y., additional, Huang, J.J., additional, H. Huang, M., additional, Hughes, K., additional, Ishihara, A., additional, Karle, A., additional, Kelley, J.L., additional, Khandelwal, R., additional, Kim, K.-C., additional, Kim, M.-C., additional, Krebs, R., additional, Kravchenko, I., additional, Ku, Y., additional, Kuo, C.Y., additional, Kurusu, K., additional, Latif, U.A., additional, Laundrie, A., additional, Landsman, H., additional, Lu, M.-Y., additional, Liu, T.-C., additional, Madison, B., additional, Mase, K., additional, Meures, T., additional, Nam, J., additional, Novikov, A., additional, Nichol, R.J., additional, Nir, G., additional, Nozdrina, A., additional, Oberla, E., additional, ÓMurchadha, A., additional, Osborn, J., additional, Pan, Y., additional, Pfendner, C., additional, Punsuebsay, N., additional, Roth, J., additional, Sandstrom, P., additional, Seckel, D., additional, Shiao, Y.-S., additional, Shultz, A., additional, Smith, D. J.B., additional, Torres, J., additional, Toscano, S., additional, Touart, J., additional, van Eijndhoven, N, additional, Varner, G.S., additional, Vieregg, A., additional, Wang, M.-Z., additional, Wang, S.-H., additional, Wang, Y.H., additional, Wissel, S.A., additional, Xie, C., additional, Young, R. D., additional, Yoshida, S., additional, Amass, M Beheler, additional, Kockere, S De, additional, A DuVernois, M, additional, and Hanson, J C, additional

Published
2021
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21. Implementing a Low-Threshold Analysis with the Askaryan Radio Array (ARA)

Author

Hughes, Kaeli, primary, Allison, P., additional, Archambault, S., additional, Beatty, J.J., additional, Beheler-Amass, M., additional, Besson, D.Z., additional, Beydler, M., additional, Chen, C.H., additional, Chen, P., additional, Chen, Y.C., additional, Clark, B.A., additional, Clay, W., additional, Connolly, A., additional, Cremonesi, L., additional, Dasgupta, P., additional, Davies, J., additional, De Kockere, S., additional, de Vries, K.D., additional, Deaconu, C., additional, DuVernois, M.A., additional, Flaherty, J., additional, Friedman, E., additional, Gaior, R., additional, Hanson, J.C., additional, Hanson, K., additional, Harty, N., additional, Hendricks, B., additional, Hoffman, K.D., additional, Hokanson-Fasig, B., additional, Hong, E., additional, Hsu, S.Y., additional, Huang, J.J., additional, Huang, M.-H. A., additional, Hughes, K., additional, Ishihara, A., additional, Karle, A., additional, Kelley, J.L., additional, Khandelwal, R., additional, Kim, K.-C., additional, Kim, M.-C., additional, Krebs, R., additional, Kravchenko, I., additional, Ku, Y., additional, Kuo, C.Y., additional, Kurusu, K., additional, Latif, U.A., additional, Laundrie, A., additional, Landsman, H., additional, Lu, M.-Y., additional, Liu, T.-C., additional, Madison, B., additional, Mase, K., additional, Meures, T., additional, Nam, J., additional, Novikov, A., additional, Nichol, R.J., additional, Nir, G., additional, Nozdrina, A., additional, Oberla, E., additional, ÓMurchadha, A., additional, Osborn, J., additional, Pan, Y., additional, Pfendner, C., additional, Punsuebsay, N., additional, Roth, J., additional, Sandstrom, P., additional, Seckel, D., additional, Shiao, Y.-S., additional, Shultz, A., additional, Smith, D. J.B., additional, Torres, J., additional, Toscano, S., additional, Touart, J., additional, van Eijndhoven, N., additional, Varner, G.S., additional, Vieregg, A., additional, Wang, M.-Z., additional, Wang, S.-H., additional, Wang, Y.H., additional, Wissel, S.A., additional, Xie, C., additional, Young, R. D., additional, and Yoshida, S., additional

Published
2021
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22. A Template-based UHE Neutrino Search Strategy for the Askaryan Radio Array (ARA)

Author

Kim, Myoungchul, primary, Allison, P., additional, Archambault, S., additional, Beatty, J.J., additional, Beheler-Amass, M., additional, Besson, D.Z., additional, Beydler, M., additional, Chen, C.H., additional, Chen, P., additional, Chen, Y.C., additional, Clark, B.A., additional, Clay, W., additional, Connolly, A., additional, Cremonesi, L., additional, Dasgupta, P., additional, Davies, J., additional, De Kockere, S, additional, de Vries, K.D, additional, Deaconu, C., additional, DuVernois, M. A, additional, Flaherty, J., additional, Friedman, E., additional, Gaior, R., additional, Hanson, J. C, additional, Hanson, K., additional, Harty, N., additional, Hendricks, B., additional, Hoffman, K.D., additional, Hokanson-Fasig, B., additional, Hong, E., additional, Hsu, S.Y., additional, Huang, J.J., additional, Huang, M.-H. A., additional, Hughes, K., additional, Ishihara, A., additional, Karle, A., additional, Kelley, J.L., additional, Khandelwal, R., additional, Kim, K.-C., additional, Krebs, R., additional, Kravchenko, I., additional, Ku, Y., additional, Kuo, C.Y., additional, Kurusu, K., additional, Latif, U.A., additional, Laundrie, A., additional, Landsman, H., additional, Lu, M.-Y., additional, Liu, T.-C., additional, Madison, B., additional, Mase, K., additional, Meures, T., additional, Nam, J., additional, Novikov, A., additional, Nichol, R.J., additional, Nir, G., additional, Nozdrina, A., additional, Oberla, E., additional, ÓMurchadha, A., additional, Osborn, J., additional, Pan, Y., additional, Pfendner, C., additional, Punsuebsay, N., additional, Roth, J., additional, Sandstrom, P., additional, Seckel, D., additional, Shiao, Y.-S., additional, Shultz, A., additional, Smith, D. J.B., additional, Torres, J., additional, Toscano, S., additional, Touart, J., additional, van Eijndhoven, N, additional, Varner, G.S., additional, Vieregg, A., additional, Wang, M.-Z., additional, Wang, S.-H., additional, Wang, Y.H., additional, Wissel, S.A., additional, Xie, C., additional, Young, R. D., additional, and Yoshida, S., additional

Published
2021
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23. A neural network based UHE neutrino reconstruction method for the Askaryan Radio Array (ARA)

Author

Pan, Yue, primary, Allison, P., additional, Archambault, S., additional, Beatty, J.J., additional, Beheler-Amass, M., additional, Besson, D.Z., additional, Beydler, M., additional, Chen, C.H., additional, Chen, P., additional, Chen, Y.C., additional, Clark, B.A., additional, Clay, W., additional, Connolly, A., additional, Cremonesi, L., additional, Dasgupta, P., additional, Davies, J., additional, De Kockere, S., additional, de Vries, K.D., additional, Deaconu, C., additional, A. DuVernois, M., additional, Flaherty, J., additional, Friedman, E., additional, Gaior, R., additional, C. Hanson, J., additional, Hanson, K., additional, Harty, N., additional, Hendricks, B., additional, Hoffman, K.D., additional, Hokanson-Fasig, B., additional, Hong, E., additional, Hsu, S.Y., additional, Huang, J.J., additional, Huang, M.-H. A., additional, Hughes, K., additional, Ishihara, A., additional, Karle, A., additional, Kelley, J.L., additional, Khandelwal, R., additional, Kim, K.-C., additional, Kim, M.-C., additional, Krebs, R., additional, Kravchenko, I., additional, Ku, Y., additional, Kuo, C.Y., additional, Kurusu, K., additional, Latif, U.A., additional, Laundrie, A., additional, Landsman, H., additional, Lu, M.-Y., additional, Liu, T.-C., additional, Madison, B., additional, Mase, K., additional, Meures, T., additional, Nam, J., additional, Novikov, A., additional, Nichol, R.J., additional, Nir, G., additional, Nozdrina, A., additional, Oberla, E., additional, ÓMurchadha, A., additional, Osborn, J., additional, Pan, Y., additional, Pfendner, C., additional, Punsuebsay, N., additional, Roth, J., additional, Sandstrom, P., additional, Seckel, D., additional, Shiao, Y.-S., additional, Shultz, A., additional, Smith, D. J.B., additional, Torres, J., additional, Toscano, S., additional, Touart, J., additional, van Eijndhoven, N., additional, Varner, G.S., additional, Vieregg, A., additional, Wang, M.-Z., additional, Wang, S.-H., additional, Wang, Y.H., additional, Wissel, S.A., additional, Xie, C., additional, Young, R. D., additional, and Yoshida, S., additional

Published
2021
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24. A Modified Nucleoside 6-Thio-2'-Deoxyguanosine Exhibits Antitumor Activity in Gliomas

Author

Yu, S, Wei, S, Savani, M, Lin, X, Du, K, Mender, I, Siteni, S, Vasilopoulos, T, Reitman, ZJ, Ku, Y, Wu, D, Liu, H, Tian, M, Chen, Y, Labrie, M, Charbonneau, CM, Sugarman, E, Bowie, M, Hariharan, S, Waitkus, M, Jiang, W, McLendon, RE, Pan, E, Khasraw, Mustafa, Walsh, KM, Lu, Y, Herlyn, M, Mills, G, Herbig, U, Wei, Z, Keir, ST, Flaherty, K, Liu, L, Wu, K, Shay, JW, Abdullah, K, Zhang, G, Ashley, DM, Yu, S, Wei, S, Savani, M, Lin, X, Du, K, Mender, I, Siteni, S, Vasilopoulos, T, Reitman, ZJ, Ku, Y, Wu, D, Liu, H, Tian, M, Chen, Y, Labrie, M, Charbonneau, CM, Sugarman, E, Bowie, M, Hariharan, S, Waitkus, M, Jiang, W, McLendon, RE, Pan, E, Khasraw, Mustafa, Walsh, KM, Lu, Y, Herlyn, M, Mills, G, Herbig, U, Wei, Z, Keir, ST, Flaherty, K, Liu, L, Wu, K, Shay, JW, Abdullah, K, Zhang, G, and Ashley, DM

Published
2021

29. Simulation of Vehicular Bots-Based DDoS Attacks in Connected Vehicles Networks

Author

Siti Fatimah Abdul Razak, Ku Yee Fang, Noor Hisham Kamis, Anang Hudaya Muhammad Amin, and Sumendra Yogarayan

Subjects
vehicular bot nodes, vanet, distributed denial of services, ns3., Technological innovations. Automation, HD45-45.2
Abstract

Connected vehicles are more vulnerable to attacks than wired networks since they involve rapid mobility, continuous data flow across connected nodes, and dynamic network design in a distributed network environment. Distributed Denial of Service (DDOS) is one of the most common and dangerous security attacks on connected vehicle networks. Attackers can remotely control malicious nodes that are programmed to attack other nodes known. The compromised nodes are known as botnets, which will constantly flood the target nodes with User Datagram Protocol (UDP) packets, disrupting the target nodes data flow and operation. Hence, the goal of this research is to create and simulate a vehicular bot-based Distributed Denial of Service (DDoS) assault in connected vehicle networks. A simulation-based methodology is implemented to observe the impact of the number of bots, DDoS rate, and maximum bulk packet size on network performance. Using the NS-3 network simulator, 73 random mobile vehicle nodes with up to 100 vehicle bots were simulated, and the results are discussed. Regardless of the computational constraints, the findings from this study adds to understanding the risks and problems associated with data transmission by analyzing the impact of vehicular bot-based DDoS attacks on connected vehicle performance. Doi: 10.28991/HIJ-2023-04-04-014 Full Text: PDF

Published
2023
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30. Replication of Feng et al.（2013）: Confirm the prediction of control-failure hypothesis on the mind wandering during reading

Author

Cai Mj, Sau-Chin Chen, Ku Y, Chen C, and Huang Yw

Subjects
Cognitive science, Reading (process), media_common.quotation_subject, Replication (statistics), Mind-wandering, Control (linguistics), Psychology, media_common
Abstract

Mind wanderings in laboratory tasks refer to the individual attention shifted from the on-line task to the unrelated information. The recordings of mind wanderings depended on participants’ responses to the probes between texts. Then researchers counted the frequencies of mind wanderings across the interested conditions. According to the control-failure hypothesis, Feng et al. (2013) predicted more mind wanderings while reading the difficult articles in comparison with reading the easy articles. This hypothesis assumed that reading articles would consume the working memory capacity that inhibits the inattentional processing. Although the results of Feng et al. were consistent with the control-failure hypothesis, there would be three issues to be clarified for the advanced studies. First is that the original study did not control or measure the working memory capacity, although the original researchers’ theory emphasized the matter of working memory. Secondly the recent studies of mind wanderings consistently supported the original findings, but the latest evidence were indirect because these studies did not aim at the control-failure hypothesis. The final issue raised from our reproductive analysis of the original data. In our analysis, the summarized frequencies of mind wandering were lower than the summary in the original paper. A registered replication study will provide the future researchers the reliable information to construct a falsifiable hypothesis and suggest a highly powered design.

Published
2020

31. Search for B$^{0}$ decays to invisible final states ( +γ) at Belle

Author

Belle Collaboration, Ku, Y., Chang, P., Adachi, I., Adamczyk, K., Aihara, H., Asner, D. M., Aushev, T., Ayad, R., Behera, P., Beleño, C., Bennett, J., Bhardwaj, V., Bilka, T., Biswal, J., Bonvicini, G., Bozek, A., Bračko, M., Chang, M.-C., Chekelian, V., Chilikin, K., Cho, K., Choi, S.-K., Choi, Y., Cinabro, D., Cunliffe, S., Dash, N., De Nardo, G., Dong, T. V., Eidelman, S., Epifanov, D., Fast, J. E., Fulsom, B. G., Garg, R., Gaur, V., Gabyshev, N., Garmash, A., Goldenzweig, P., Grzymkowska, O., Guan, Y., Hartbrich, O., Hayasaka, K., Hayashii, H., Hernandez Villanueva, M., Higuchi, T., Hou, W.-S., Hsu, C.-L., Huang, K., Inami, K., Inguglia, G., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Jia, S., Jin, Y., Kang, K. H., Kawasaki, T., Kichimi, H., Kiesling, C., Kim, C. H., Kim, D. Y., Kimmel, T. D., Kinoshita, K., Kodyš, P., Korpar, S., Križan, P., Kroeger, R., Krokovny, P., Kuhr, T., Kulasiri, R., Kumar, R., Kwon, Y.-J., Lai, Y.-T., Li, Y. B., Li Gioi, L., Libby, J., Lieret, K., MacQueen, C., Matvienko, D., Merola, M., Mizuk, R., Mohanty, G. B., Moon, T. J., Mori, T., Mussa, R., Natkaniec, Z., Nayak, M., Nisar, N. K., Nishida, S., Nishimura, K., Ogawa, K., Ogawa, S., Ono, H., Oskin, P., Pakhlov, P., Pakhlova, G., Park, H., Park, S.-H., Patra, S., Pedlar, T. K., Pestotnik, R., Piilonen, L. E., Podobnik, T., Popov, V., Prim, M. T., Ritter, M., Röhrken, M., Rostomyan, A., Rout, N., Russo, G., Sakai, Y., Santelj, L., Sanuki, T., Savinov, V., Schnell, G., Schueler, J., Schwanda, C., Schwartz, A. J., Senyo, K., Shapkin, M., Shiu, J.-G., Shwartz, B., Sokolov, A., Solovieva, E., Starič, M., Stottler, Z. S., Sumihama, M., Sumiyoshi, T., Takizawa, M., Tamponi, U., Tanida, K., Tenchini, F., Trabelsi, K., Uchida, M., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Usov, Y., Varner, G., Varvell, K. E., Vinokurova, A., Wang, C. H., Wang, E., Wang, M.-Z., Wang, P., Wang, X. L., Watanabe, M., Won, E., Xu, X., Yang, S. B., Ye, H., Yuan, C. Z., Zhang, Z. P., and Zhukova, V.

Subjects
Physics, ddc:530
Published
2020

32. Search for B-0 decays to invisible final states ( plus gamma) at Belle

Author

Ku, Y, Chang, P, Adachi, I, Adamczyk, K, Aihara, H, Asner, DM, Aushev, T, Ayad, R, Behera, P, Beleno, C, Bennett, J, Bhardwaj, V, Bilka, T, Biswal, J, Bonvicini, G, Bozek, A, Bracko, M, Chang, M-C, Chekelian, V, Chilikin, K, Cho, K, Choi, S-K, Choi, Y, Cinabro, D, Cunliffe, S, Dash, N, De Nardo, G, Dong, T, Eidelman, S, Epifanov, D, Fast, JE, Fulsom, BG, Garg, R, Gaur, V, Gabyshev, N, Garmash, A, Goldenzweig, P, Grzymkowska, O, Guan, Y, Hartbrich, O, Hayasaka, K, Hayashii, H, Villanueva, MH, Higuchi, T, Hou, W-S, Hsu, C-L, Huang, K, Inami, K, Inguglia, G, Ishikawa, A, Itoh, R, Iwasaki, M, Iwasaki, Y, Jia, S, Jin, Y, Kang, KH, Kawasaki, T, Kichimi, H, Kiesling, C, Kim, CH, Kim, DY, Kimmel, TD, Kinoshita, K, Kodys, P, Korpar, S, Krizan, P, Kroeger, R, Krokovny, P, Kuhr, T, Kulasiri, R, Kumar, R, Kwon, Y-J, Lai, Y-T, Li, YB, Li Gioi, L, Libby, J, Lieret, K, MacQueen, C, Matvienko, D, Merola, M, Mizuk, R, Mohanty, GB, Moon, TJ, Mori, T, Mussa, R, Natkaniec, Z, Nayak, M, Nisar, NK, Nishida, S, Nishimura, K, Ogawa, K, Ogawa, S, Ono, H, Oskin, P, Pakhlov, P, Pakhlova, G, Park, H, Park, S-H, Patra, S, Pedlar, TK, Pestotnik, R, Piilonen, LE, Podobnik, T, Popov, V, Prim, MT, Ritter, M, Roehrken, M, Rostomyan, A, Rout, N, Russo, G, Sakai, Y, Santelj, L, Sanuki, T, Savinov, V, Schnell, G, Schueler, J, Schwanda, C, Schwartz, AJ, Senyo, K, Shapkin, M, Shiu, J-G, Shwartz, B, Sokolov, A, Solovieva, E, Staric, M, Stottler, ZS, Sumihama, M, Sumiyoshi, T, Takizawa, M, Tamponi, U, Tanida, K, Tenchini, F, Trabelsi, K, Uchida, M, Uglov, T, Unno, Y, Uno, S, Urquijo, P, Usov, Y, Varner, G, Varvell, KE, Vinokurova, A, Wang, CH, Wang, E, Wang, M-Z, Wang, P, Wang, XL, Watanabe, M, Won, E, Xu, X, Yang, SB, Ye, H, Yuan, CZ, Zhang, ZP, Zhukova, V, Ku, Y, Chang, P, Adachi, I, Adamczyk, K, Aihara, H, Asner, DM, Aushev, T, Ayad, R, Behera, P, Beleno, C, Bennett, J, Bhardwaj, V, Bilka, T, Biswal, J, Bonvicini, G, Bozek, A, Bracko, M, Chang, M-C, Chekelian, V, Chilikin, K, Cho, K, Choi, S-K, Choi, Y, Cinabro, D, Cunliffe, S, Dash, N, De Nardo, G, Dong, T, Eidelman, S, Epifanov, D, Fast, JE, Fulsom, BG, Garg, R, Gaur, V, Gabyshev, N, Garmash, A, Goldenzweig, P, Grzymkowska, O, Guan, Y, Hartbrich, O, Hayasaka, K, Hayashii, H, Villanueva, MH, Higuchi, T, Hou, W-S, Hsu, C-L, Huang, K, Inami, K, Inguglia, G, Ishikawa, A, Itoh, R, Iwasaki, M, Iwasaki, Y, Jia, S, Jin, Y, Kang, KH, Kawasaki, T, Kichimi, H, Kiesling, C, Kim, CH, Kim, DY, Kimmel, TD, Kinoshita, K, Kodys, P, Korpar, S, Krizan, P, Kroeger, R, Krokovny, P, Kuhr, T, Kulasiri, R, Kumar, R, Kwon, Y-J, Lai, Y-T, Li, YB, Li Gioi, L, Libby, J, Lieret, K, MacQueen, C, Matvienko, D, Merola, M, Mizuk, R, Mohanty, GB, Moon, TJ, Mori, T, Mussa, R, Natkaniec, Z, Nayak, M, Nisar, NK, Nishida, S, Nishimura, K, Ogawa, K, Ogawa, S, Ono, H, Oskin, P, Pakhlov, P, Pakhlova, G, Park, H, Park, S-H, Patra, S, Pedlar, TK, Pestotnik, R, Piilonen, LE, Podobnik, T, Popov, V, Prim, MT, Ritter, M, Roehrken, M, Rostomyan, A, Rout, N, Russo, G, Sakai, Y, Santelj, L, Sanuki, T, Savinov, V, Schnell, G, Schueler, J, Schwanda, C, Schwartz, AJ, Senyo, K, Shapkin, M, Shiu, J-G, Shwartz, B, Sokolov, A, Solovieva, E, Staric, M, Stottler, ZS, Sumihama, M, Sumiyoshi, T, Takizawa, M, Tamponi, U, Tanida, K, Tenchini, F, Trabelsi, K, Uchida, M, Uglov, T, Unno, Y, Uno, S, Urquijo, P, Usov, Y, Varner, G, Varvell, KE, Vinokurova, A, Wang, CH, Wang, E, Wang, M-Z, Wang, P, Wang, XL, Watanabe, M, Won, E, Xu, X, Yang, SB, Ye, H, Yuan, CZ, Zhang, ZP, and Zhukova, V

Published
2020

39. Dynamic model of ozone contacting process with oxygen mass transfer in bubble columns

Author

Chen, Y.H., Chang, C.Y., Chiu, C.Y., Huang, W.H., Yu, Y.H., Chiang, P.C., Ku, Y., and Chen, J.N.

Subjects
Environmental engineering -- Research, Ozone -- Research, Bubbles, Mass transfer -- Research, Engineering and manufacturing industries, Environmental issues
Abstract

The dynamic process of the dissolution of ozone in a countercurrent bubble column is studied for model establishment. Bubble columns have been used widely for ozone contacting in the plant and laboratory. Ozone is produced by oxygen-enriched gas through an ozone generator, and introduced into the bottom of the column equipped with the gas diffuser. The ozone contacting system proceeds for a temporary and unsteady period before reaching steady state. The available ozone dissolution models employed for the description of the dissolved ozone profiles were commonly developed for the steady state. Moreover, oxygen mass transfer is usually neglected in the preceding ozone dissolution models. However, this information is desirable for proper operation of ozone dissolution in a bubble column. Thus, the objective of this study is to model and investigate the dynamic ozone dissolution process in a bubble column with the oxygen mass transfer. The dynamic axial dispersion model proposed is employed to predict the variations of ozone and oxygen concentrations along the column, and the amount of off-gas. The validity of the model is demonstrated by comparing the predicted results with the experimental data. The dynamic model of ozone dissolution is useful and referable for proper prediction of the variables of the ozone contacting system in a bubble column. DOI 10.1061/(ASCE)0733-9372(2002)128:11(1036) CE Database keywords: Ozone; Bubbles; Dynamic models; Mass transfer.

Published
2002

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