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24,716 results on '"Novikov, A."'

2. Exploring Higher Education Students' Attitudes toward e-Learning after COVID-19

Author

Alfiya R. Masalimova, Marina R. Zheltukhina, Olga V. Sergeeva, Zhanna M. Sizova, Philipp N. Novikov, and Albina R. Sadykova

Abstract

The proliferation of technology and the heightened significance of e-learning in the midst of the COVID-19 pandemic transformed the perspectives and attitudes of educational stakeholders toward educational technology. The objective of this research was to explore the attitudes of higher education students toward e-learning. Data collection was conducted via a questionnaire. The findings demonstrated that the key benefit of e-learning, as reported by a substantial majority (77.0%) of participants, is the convenience of studying from home. This is closely followed by the advantage of learning at one's own pace, as 69.4% of respondents expressed. A considerable proportion (58.8%) highlighted the comfort factor associated with e-learning, along with the cost-saving aspect of reduced expenses on accommodation and transportation. Other advantages included the ability to access course materials remotely (57.6%) option to record meetings online (51.1%), regarding disadvantages of e-learning, the majority (59.4%) of respondents indicated that e-learning limits interaction with others, followed by social isolation (44.1%), lack of self-discipline (43.5%), internet problems (43.5%). The results showed that elearning was perceived to be less effective compared to conventional face-to-face learning. Also, we showed that, in general, there is no significant relationship between socio-demographic variables and attitudes toward e-learning. Only a few significant relationships were found regarding demographic variables on attitudes. We made educational implications for the next studies on our results.

Published
2024

3. Exploration of mass splitting and muon/tau mixing parameters for an eV-scale sterile neutrino with IceCube

Author

Abbasi, R., Ackermann, M., Adams, J., Agarwalla, S. K., Aguilar, J. A., Ahlers, M., Alameddine, J. M., Amin, N. M., Andeen, K., Argüelles, C., Ashida, Y., Athanasiadou, S., Ausborm, L., Axani, S. N., Bai, X., V., A. Balagopal, Baricevic, M., Barwick, S. W., Bash, S., Basu, V., Bay, R., Beatty, J. J., Tjus, J. Becker, Beise, J., Bellenghi, C., Benning, C., BenZvi, S., Berley, D., Bernardini, E., Besson, D. Z., Blaufuss, E., Bloom, L., Blot, S., Bontempo, F., Motzkin, J. Y. Book, Meneguolo, C. Boscolo, Böser, S., Botner, O., Böttcher, J., Braun, J., Brinson, B., Brostean-Kaiser, J., Brusa, L., Burley, R. T., Butterfield, D., Campana, M. A., Caracas, I., Carloni, K., Carpio, J., Chattopadhyay, S., Chau, N., Chen, Z., Chirkin, D., Choi, S., Clark, B. A., Coleman, A., Collin, G. H., Connolly, A., Conrad, J. M., Coppin, P., Corley, R., Correa, P., Cowen, D. F., Dave, P., De Clercq, C., DeLaunay, J. J., Delgado, D., Deng, S., Desai, A., Desiati, P., de Vries, K. D., de Wasseige, G., DeYoung, T., Diaz, A., Díaz-Vélez, J. C., Dierichs, P., Dittmer, M., Domi, A., Draper, L., Dujmovic, H., Dutta, K., DuVernois, M. A., Ehrhardt, T., Eidenschink, L., Eimer, A., Eller, P., Ellinger, E., Mentawi, S. El, Elsässer, D., Engel, R., Erpenbeck, H., Evans, J., Evenson, P. A., Fan, K. L., Fang, K., Farrag, K., Fazely, A. R., Fedynitch, A., Feigl, N., Fiedlschuster, S., Finley, C., Fischer, L., Fox, D., Franckowiak, A., Fukami, S., Fürst, P., Gallagher, J., Ganster, E., Garcia, A., Garcia, M., Garg, G., Genton, E., Gerhardt, L., Ghadimi, A., Girard-Carillo, C., Glaser, C., Glüsenkamp, T., Gonzalez, J. G., Goswami, S., Granados, A., Grant, D., Gray, S. J., Gries, O., Griffin, S., Griswold, S., Groth, K. M., Günther, C., Gutjahr, P., Ha, C., Haack, C., Hallgren, A., Halve, L., Halzen, F., Hamdaoui, H., Minh, M. Ha, Handt, M., Hanson, K., Hardin, J., Harnisch, A. A., Hatch, P., Haungs, A., Häußler, J., Helbing, K., Hellrung, J., Hermannsgabner, J., Heuermann, L., Heyer, N., Hickford, S., Hidvegi, A., Hill, C., Hill, G. C., Hoffman, K. D., Hori, S., Hoshina, K., Hostert, M., Hou, W., Huber, T., Hultqvist, K., Hünnefeld, M., Hussain, R., Hymon, K., Ishihara, A., Iwakiri, W., Jacquart, M., Jain, S., Janik, O., Jansson, M., Japaridze, G. S., Jeong, M., Jin, M., Jones, B. J. P., Kamp, N., Kang, D., Kang, W., Kang, X., Kappes, A., Kappesser, D., Kardum, L., Karg, T., Karl, M., Karle, A., Katil, A., Katz, U., Kauer, M., Kelley, J. L., Khanal, M., Zathul, A. Khatee, Kheirandish, A., Kiryluk, J., Klein, S. R., Kochocki, A., Koirala, R., Kolanoski, H., Kontrimas, T., Köpke, L., Kopper, C., Koskinen, D. J., Koundal, P., Kovacevich, M., Kowalski, M., Kozynets, T., Krishnamoorthi, J., Kruiswijk, K., Krupczak, E., Kumar, A., Kun, E., Kurahashi, N., Lad, N., Gualda, C. Lagunas, Lamoureux, M., Larson, M. J., Latseva, S., Lauber, F., Lazar, J. P., Lee, J. W., DeHolton, K. Leonard, Leszczyńska, A., Liao, J., Lincetto, M., Liu, Y. T., Liubarska, M., Love, C., Mariscal, C. J. Lozano, Lu, L., Lucarelli, F., Luszczak, W., Lyu, Y., Madsen, J., Magnus, E., Mahn, K. B. M., Makino, Y., Manao, E., Mancina, S., Sainte, W. Marie, Mariş, I. C., Marka, S., Marka, Z., Marsee, M., Martinez-Soler, I., Maruyama, R., Mayhew, F., McNally, F., Mead, J. V., Meagher, K., Mechbal, S., Medina, A., Meier, M., Merckx, Y., Merten, L., Micallef, J., Mitchell, J., Montaruli, T., Moore, R. W., Morii, Y., Morse, R., Moulai, M., Mukherjee, T., Naab, R., Nagai, R., Nakos, M., Naumann, U., Necker, J., Negi, A., Neste, L., Neumann, M., Niederhausen, H., Nisa, M. U., Noda, K., Noell, A., Novikov, A., Pollmann, A. Obertacke, O'Dell, V., Oeyen, B., Olivas, A., Orsoe, R., Osborn, J., O'Sullivan, E., Palusova, V., Pandya, H., Park, N., Parker, G. K., Paudel, E. N., Paul, L., Heros, C. Pérez de los, Pernice, T., Peterson, J., Philippen, S., Pizzuto, A., Plum, M., Pontén, A., Popovych, Y., Rodriguez, M. Prado, Pries, B., Procter-Murphy, R., Przybylski, G. T., Raab, C., Rack-Helleis, J., Ravn, M., Rawlins, K., Rechav, Z., Rehman, A., Reichherzer, P., Resconi, E., Reusch, S., Rhode, W., Riedel, B., Rifaie, A., Roberts, E. J., Robertson, S., Rodan, S., Roellinghoff, G., Rongen, M., Rosted, A., Rott, C., Ruhe, T., Ruohan, L., Ryckbosch, D., Safa, I., Saffer, J., Salazar-Gallegos, D., Sampathkumar, P., Sandrock, A., Santander, M., Sarkar, S., Savelberg, J., Savina, P., Schaile, P., Schaufel, M., Schieler, H., Schindler, S., Schlickmann, L., Schlüter, B., Schlüter, F., Schmeisser, N., Schmidt, T., Schneider, J., Schröder, F. G., Schumacher, L., Sclafani, S., Seckel, D., Seikh, M., Seo, M., Seunarine, S., Myhr, P. Sevle, Shah, R., Shefali, S., Shimizu, N., Silva, M., Skrzypek, B., Smithers, B., Snihur, R., Soedingrekso, J., Søgaard, A., Soldin, D., Soldin, P., Sommani, G., Spannfellner, C., Spiczak, G. M., Spiering, C., Stamatikos, M., Stanev, T., Stezelberger, T., Stürwald, T., Stuttard, T., Sullivan, G. W., Taboada, I., Ter-Antonyan, S., Terliuk, A., Thiesmeyer, M., Thompson, W. G., Thwaites, J., Tilav, S., Tollefson, K., Tönnis, C., Toscano, S., Tosi, D., Trettin, A., Turcotte, R., Twagirayezu, J. P., Elorrieta, M. A. Unland, Upadhyay, A. K., Upshaw, K., Vaidyanathan, A., Valtonen-Mattila, N., Vandenbroucke, J., van Eijndhoven, N., Vannerom, D., van Santen, J., Vara, J., Varsi, F., Veitch-Michaelis, J., Venugopal, M., Vereecken, M., Verpoest, S., Veske, D., Vijai, A., Walck, C., Wang, A., Weaver, C., Weigel, P., Weindl, A., Weldert, J., Wen, A. Y., Wendt, C., Werthebach, J., Weyrauch, M., Whitehorn, N., Wiebusch, C. H., Williams, D. R., Witthaus, L., Wolf, A., Wolf, M., Wrede, G., Xu, X. W., Yanez, J. P., Yildizci, E., Yoshida, S., Young, R., Yu, S., Yuan, T., Zhang, Z., Zhelnin, P., Zilberman, P., and Zimmerman, M.

Subjects
High Energy Physics - Experiment
Abstract

We present the first three-parameter fit to a 3+1 sterile neutrino model using 7.634 years of data from the IceCube Neutrino Observatory on $\nu_\mu+\overline{\nu}_\mu$ charged-current interactions in the energy range 500--9976 GeV. Our analysis is sensitive to the mass-squared splitting between the heaviest and lightest mass state ($\Delta m_{41}^2$), the mixing matrix element connecting muon flavor to the fourth mass state ($|U_{\mu4}|^2$), and the element connecting tau flavor to the fourth mass state ($|U_{\tau4}|^2$). Predicted propagation effects in matter enhance the signature through a resonance as atmospheric neutrinos from the Northern Hemisphere traverse the Earth to the IceCube detector at the South Pole. The remaining sterile neutrino matrix elements are left fixed, with $|U_{e4}|^2= 0$ and $\delta_{14}=0$, as they have a negligible effect, and $\delta_{24}=\pi$ is set to give the most conservative limits. The result is consistent with the no-sterile neutrino hypothesis with a probability of 4.3%. Profiling the likelihood of each parameter yields the 90\% confidence levels: $ 2.4\,\mathrm{eV}^{2} < \Delta m_{41}^2 <9.6\,\mathrm{eV}^{2} $ , $0.0081 < |U_{\mu4}|^2 < 0.10$ , and $|U_{\tau4}|^2< 0.035$, which narrows the allowed parameter-space for $|U_{\tau4}|^2$. However, the primary result of this analysis is the first map of the 3+1 parameter space exploring the interdependence of $\Delta m_{41}^2$, $|U_{\mu4}|^2$, and $|U_{\tau4}|^2$., Comment: 14 pages, 8 figures. Published in PLB

Published
2024
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9. First Experimental Results on the T-15MD Tokamak

Author

Velikhov, E. P., Kovalchuk, M. V., Anashkin, I. O., Andreev, V. F., Asadulin, G. M., Akhmedov, E. R., Balashov, A. Yu., Begishev, R. A., Belov, A. M., Belbas, I. S., Bondarchuk, E. N., Borshchegovsky, A. A., Vershkov, V. A., Gorbunov, A. V., Gorshkov, A. V., Grashin, S. A., Gromova, A. V., Mikhailova, D. E. Dias, Dremin, M. M., Drozd, A. S., Dubinitsky, A. F., Zemtsov, I. A., Ilgisonis, V. I., Ilyin, I. S., Karpov, A. V., Kachkin, A. G., Kirneva, N. A., Kislov, D. A., Kochin, V. A., Krupin, V. A., Kuznetsova, L. K., Levin, I. V., Lisovoy, P. D., Lutchenko, A. V., Matveev, Yu. V., Mashunkin, M. V., Mineev, A. B., Modyaev, A. L., Mustafin, N. A., Myalton, T. B., Nemets, A. R., Nikolaev, A. V., Novikov, V. N., Notkin, G. E., Nurgaliev, M. R., Obraztsov, I. S., Panfilov, D. S., Pimenov, I. S., Rogozin, K. A., Roy, I. N., Romannikov, A. N., Ryzhakov, D. V., Savrukhin, P. V., Sarychev, D. V., Sergeev, D. S., Smirnov, V. V., Soloviev, N. A., Stepin, A. V., Sushkov, A. V., Sychugov, D. Yu., Tarasyan, K. N., Tepikin, V. I., Tolpegina, Yu. I., Ulasevich, D. L., Khayrutdinov, E. N., Khvostenko, A. P., Khvostenko, P. P., Chudesnov, A. I., Chudnovskij, A. N., Shelukhin, D. A., and Shestakov, E. A.

Published
2024
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23. InGaAs/AlInAs/InP Quantum-Cascade Lasers with Reflective and Antireflective Optical Coatings

Author

Podgaetskii, K. A., Lobintsov, A. V., Danilov, A. I., Ivanov, A. V., Ladugin, M. A., Marmalyuk, A. A., Kuznetsov, E. V., Dyudelev, V. V., Mikhailov, D. A., Chistyakov, D. V., Kognovitskaya, E. A., Losev, S. N., Abdulrazak, S. Kh., Babichev, A. V., Savchenko, G. M., Lyutetskii, A. V., Slipchenko, S. O., Pikhtin, N. A., Gladyshev, A. G., Novikov, I. I., Karachinsky, L. Ya., Egorov, A. Yu., and Sokolovskii, G. S.

Published
2024
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28. Solar flare observations with the Radio Neutrino Observatory Greenland (RNO-G)

Author

Agarwal, S., Aguilar, J. A., Ali, S., Allison, P., Betts, M., Besson, D., Bishop, A., Botner, O., Bouma, S., Buitink, S., Cataldo, M., Clark, B. A., Coleman, A., Couberly, K., de Kockere, S., de Vries, K. D., Deaconu, C., DuVernois, M. A., Glaser, C., Glüsenkamp, T., Hallgren, A., Hallmann, S., Hanson, J. C., Hendricks, B., Henrichs, J., Heyer, N., Hornhuber, C., Hughes, K., Karg, T., Karle, A., Kelley, J. L., Korntheuer, M., Kowalski, M., Kravchenko, I., Krebs, R., Lahmann, R., Latif, U., Laub, P., Liu, C. -H., Marsee, M. J., Meyers, Z. S., Mikhailova, M., Monstein, C., Mulrey, K., Muzio, M., Nelles, A., Novikov, A., Nozdrina, A., Oberla, E., Oeyen, B., Punsuebsay, N., Pyras, L., Ravn, M., Ryckbosch, D., Schlüter, F., Scholten, O., Seckel, D., Seikh, M. F. H., Stoffels, J., Terveer, K., Toscano, S., Tosi, D., Broeck, D. J. Van Den, van Eijndhoven, N., Vieregg, A. G., Vijai, A., Welling, C., Williams, D. R., Windischhofer, P., Wissel, S., Young, R., and Zink, A.

Subjects
Astrophysics - Solar and Stellar Astrophysics, Astrophysics - High Energy Astrophysical Phenomena
Abstract

The Radio Neutrino Observatory - Greenland (RNO-G) seeks discovery of ultra-high energy neutrinos from the cosmos through their interactions in ice. The science program extends beyond particle astrophysics to include radioglaciology and, as we show herein, solar observations, as well. Currently seven of 35 planned radio-receiver stations (24 antennas/station) are operational. These stations are sensitive to impulsive radio signals with frequencies between 80 and 700 MHz and feature a neutrino trigger threshold for recording data close to the thermal floor. RNO-G can also trigger on elevated signals from the Sun, resulting in nanosecond resolution time-domain flare data; such temporal resolution is significantly shorter than from most dedicated solar observatories. In addition to possible RNO-G solar flare polarization measurements, the Sun also represents an extremely useful above-surface calibration source. Using RNO-G data recorded during the summers of 2022 and 2023, we find signal excesses during solar flares reported by the solar-observing Callisto network and also in coincidence with $\sim$2/3 of the brightest excesses recorded by the SWAVES satellite. These observed flares are characterized by significant time-domain impulsivity. Using the known position of the Sun, the flare sample is used to calibrate the RNO-G absolute pointing on the radio signal arrival direction to sub-degree resolution. We thus establish the Sun as a regularly observed astronomical calibration source to provide the accurate absolute pointing required for neutrino astronomy.

Published
2024
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39. Observation of the Polarization of Λ Hyperons Produced in the Interaction of K– Mesons with Nuclei

Author

Abramov, V. V., Moiseev, V. V., Alekseev, I. G., Bazhanov, N. A., Borisov, N. S., Vasiliev, A. N., Goncharenko, Yu. M., Gorodnov, I. S., Gridnev, A. B., Kalugin, N. K., Kozlenko, N. G., Melnik, Yu. M., Meshchanin, A. P., Minaev, N. G., Morozov, D. A., Mochalov, V. V., Neganov, A. B., Nesterov, V. M., Novikov, K. D., Novinskii, D. V., Nogach, L. V., Nurusheva, M. B., Prudkoglyad, A. F., Ryzhikov, S. V., Rykov, V. L., Ryltsov, V. V., Ryazantsev, A. V., Samigullin, E. I., Svirida, D. N., Semenov, P. A., Uzunyan, A. V., Usov, Yu. A., and Yakutin, A. E.

Published
2024
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