Search for Diffuse Supernova Neutrino Background in the Full KamLAND Dataset with Neural-Network-Based Event Classification

arXiv:2606.29381 · astro-ph.HE, hep-ex · Submitted 2026-06-28 · Read on arXiv

D. Chernyak, T. Eda, M. Eizuka, R. Endo, A. Gando, Y. Gando, T. Hachiya, F. Haneishi, K. Hata, T. Hirai, K. Hosokawa, K. Ichimura, H. Ikeda, K. Inoue, K. Ishidoshiro, Y. Kamei, N. Kawada, Y. Kishimoto, M. Koga, K. Mikami, H. Miyake, K. Mizukoshi, D. Morita, K. Nakamura, R. Nakamura, J. Nakane, Y. Nakano, N. Obata, Y. Ota, K. Saito, I. Sakaki, I. Shimizu, J. Shirai, A. Suzuki, K. Tachibana, A. Takeuchi, K. Tamae, H. Watanabe, Z. Xu, S. Yoshida, S. Umehara, K. Fushimi, K. Kotera, Y. Urano, S. Kurosawa, H. Ozaki, B. E. Berger, B. K. Fujikawa, J. G. Learned, J. Maricic, Z. Li, L. A. Winslow, Y. Efremenko, H. J. Karwowski, D. M. Markoff, W. Tornow, S. Dell'Oro, T. O'Donnell, J. A. Detwiler, S. Enomoto, M. P. Decowski, K. M. Weerman, C. Grant, O. Penek, H. Song, A. Li

astro-ph.HE, hep-ex

Submitted: 2026-06-28

Comments: 17 pages, 7 figures and 5 tables

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Core — 5× in this paper · explained in 2 episodes
• Metallicity — 2× in this paper · explained in 3 episodes
• Consistency — 1× in this paper · explained in 3 episodes
• Dust Attenuation — 1× in this paper · explained in 2 episodes
• Initial Mass Function (IMF) — 1× in this paper · explained in 2 episodes
• Monte Carlo — 1× in this paper
• National Science Foundation — 1× in this paper
• Verification — 1× in this paper · explained in 2 episodes

Sources

• Search for Diffuse Supernova Neutrino Background with 956.2 days of Super-Kamiokande Gadolinium Dataset
• Spherical CNNs

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