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@ARTICLE{Adachi:630147,
author = {Adachi, I. and Aggarwal, L. and Ahmed, H. and Aihara, H.
and Akopov, N. and Alghamdi, S. and Alhakami, M. and
Aloisio, A. and Althubiti, N. and Amos, K. and Angelsmark,
M. and Anh Ky, N. and Antonioli, C. and Asner, D. M. and
Atmacan, H. and Aushev, V. and Aversano, M. and Ayad, R. and
Babu, V. and Baghel, N. K. and Bahinipati, S. and Bambade,
P. and Banerjee, Sw. and Bansal, S. and Barrett, M. and
Bartl, M. and Baudot, J. and Baur, A. and Beaubien, A. and
Becherer, F. and Becker, J. and Bennett, J. V. and
Bernlochner, F. U. and Bertacchi, V. and Bertemes, M. and
Bertholet, E. and Bessner, M. and Bettarini, S. and Bhuyan,
B. and Bianchi, F. and Bilka, T. and Biswas, D. and Bobrov,
A. and Bodrov, D. and Bolz, A. and Bondar, A. and Bonvicini,
G. and Borah, J. and Boschetti, A. and Bozek, A. and
Bračko, M. and Branchini, P. and Browder, T. E. and Budano,
A. and Bussino, S. and Campagna, Q. and Campajola, M. and
Cao, L. and Casarosa, G. and Cecchi, C. and Cerasoli, J. and
Chang, M.-C. and Cheaib, R. and Cheema, P. and Chen, Y.-T.
and Cheon, B. G. and Chilikin, K. and Chin, J. and
Chirapatpimol, K. and Cho, H.-E. and Cho, K. and Cho, S.-J.
and Choi, S.-K. and Choudhury, S. and Cochran, J. and
Consigny, I. and Corona, L. and Cui, J. X. and De La
Cruz-Burelo, E. and De La Motte, S. A. and de Marino, G. and
De Nardo, G. and De Pietro, G. and de Sangro, R. and
Destefanis, M. and Dey, S. and Di Canto, A. and Di Capua, F.
and Dingfelder, J. and Doležal, Z. and Domínguez Jiménez,
I. and Dong, T. V. and Dong, X. and Dorigo, M. and Dossett,
D. and Dugic, K. and Dujany, G. and Ecker, P. and Eppelt, J.
and Feichtinger, P. and Ferber, T. and Fillinger, T. and
Finck, C. and Finocchiaro, G. and Fodor, A. and Forti, F.
and Fulsom, B. G. and Gabrielli, A. and Gale, A. and Ganiev,
E. and Garcia-Hernandez, M. and Garg, R. and Gaudino, G. and
Gaur, V. and Gautam, V. and Gaz, A. and Gellrich, A. and
Ghevondyan, G. and Ghosh, D. and Ghumaryan, H. and
Giakoustidis, G. and Giordano, R. and Giri, A. and Gironella
Gironell, P. and Glazov, A. and Gobbo, B. and Godang, R. and
Gogota, O. and Goldenzweig, P. and Gradl, W. and Graziani,
E. and Greenwald, D. and Gruberová, Z. and Guan, Y. and
Gudkova, K. and Haide, I. and Han, Y. and Hara, T. and
Harris, C. and Hayasaka, K. and Hayashii, H. and Hazra, S.
and Hearty, C. and Hedges, M. T. and Heidelbach, A. and de
la Cruz, I. Heredia and Hernández Villanueva, M. and
Higuchi, T. and Hoek, M. and Hohmann, M. and Hoppe, R. and
Horak, P. and Hsu, C.-L. and Humair, T. and Iijima, T. and
Inami, K. and Inguglia, G. and Ipsita, N. and Ishikawa, A.
and Itoh, R. and Iwasaki, M. and Jackson, P. and Jacobi, D.
and Jacobs, W. W. and Jang, E.-J. and Ji, Q. P. and Jia, S.
and Jin, Y. and Johnson, A. and Joo, K. K. and
Junkerkalefeld, H. and Kaliyar, A. B. and Kandra, J. and
Kang, K. H. and Karyan, G. and Kawasaki, T. and Keil, F. and
Ketter, C. and Kiesling, C. and Kim, C.-H. and Kim, D. Y.
and Kim, J.-Y. and Kim, K.-H. and Kim, Y. J. and Kim, Y.-K.
and Kindo, H. and Kinoshita, K. and Kodyš, P. and Koga, T.
and Kohani, S. and Kojima, K. and Korobov, A. and Korpar, S.
and Kovalenko, E. and Kowalewski, R. and Križan, P. and
Krokovny, P. and Kuhr, T. and Kulii, Y. and Kumar, D. and
Kumar, R. and Kumara, K. and Kunigo, T. and Kuzmin, A. and
Kwon, Y.-J. and Lacaprara, S. and Lalwani, K. and Lam, T.
and Lanceri, L. and Lange, J. S. and Lau, T. S. and
Laurenza, M. and Leboucher, R. and Le Diberder, F. R. and
Lee, M. J. and Lemettais, C. and Leo, P. and Li, H.-J. and
Li, L. K. and Li, Q. M. and Li, W. Z. and Li, Y. and Li, Y.
B. and Liao, Y. P. and Libby, J. and Lin, J. and Lin, S. and
Liu, M. H. and Liu, Q. Y. and Liu, Y. and Liu, Z. Q. and
Liventsev, D. and Longo, S. and Lueck, T. and Luo, T. and
Lyu, C. and Ma, Y. and Madaan, C. and Maggiora, M. and
Maharana, S. P. and Maiti, R. and Mancinelli, G. and
Manfredi, R. and Manoni, E. and Mantovano, M. and
Marcantonio, D. and Marcello, S. and Marinas, C. and
Martellini, C. and Martens, A. and Martini, A. and Martinov,
T. and Massaccesi, L. and Masuda, M. and Matsuoka, K. and
Matvienko, D. and Maurya, S. K. and Maushart, M. and
McKenna, J. A. and Mehta, R. and Meier, F. and Meleshko, D.
and Merola, M. and Miller, C. and Mirra, M. and Mitra, S.
and Miyabayashi, K. and Miyake, H. and Mizuk, R. and
Mohanty, G. B. and Mondal, S. and Moneta, S. and de
Carvalho, A. L. Moreira and Moser, H.-G. and Mussa, R. and
Nakamura, I. and Nakao, M. and Nakazawa, H. and Nakazawa, Y.
and Naruki, M. and Natkaniec, Z. and Natochii, A. and Nayak,
M. and Nazaryan, G. and Neu, M. and Nishida, S. and Ogawa,
S. and Okubo, R. and Ono, H. and Onuki, Y. and Pakhlova, G.
and Pardi, S. and Parham, K. and Park, H. and Park, J. and
Park, K. and Park, S.-H. and Paschen, B. and Passeri, A. and
Patra, S. and Paul, S. and Pedlar, T. K. and Peruzzi, I. and
Peschke, R. and Pestotnik, R. and Piccolo, M. and Piilonen,
L. E. and Podesta-Lerma, P. L. M. and Podobnik, T. and
Pokharel, S. and Prakash, A. and Praz, C. and Prell, S. and
Prencipe, E. and Prim, M. T. and Privalov, S. and Prudiiev,
I. and Purwar, H. and Rados, P. and Raeuber, G. and Raiz, S.
and Ravindran, K. and Rehman, J. U. and Reif, M. and Reiter,
S. and Remnev, M. and Reuter, L. and Ricalde Herrmann, D.
and Ripp-Baudot, I. and Rizzo, G. and Robertson, S. H. and
Roehrken, M. and Roney, J. M. and Rostomyan, A. and Rout, N.
and Salutari, L. and Sanders, D. A. and Sandilya, S. and
Santelj, L. and Savinov, V. and Scavino, B. and Schmitz, J.
and Schneider, S. and Schnepf, M. and Schwanda, C. and
Seino, Y. and Selce, A. and Senyo, K. and Serrano, J. and
Sevior, M. E. and Sfienti, C. and Shan, W. and Sharma, G.
and Shen, C. P. and Shi, X. D. and Shillington, T. and
Shimasaki, T. and Shiu, J.-G. and Shtol, D. and Shwartz, B.
and Sibidanov, A. and Simon, F. and Singh, J. B. and
Skorupa, J. and Sobie, R. J. and Sobotzik, M. and Soffer, A.
and Sokolov, A. and Solovieva, E. and Song, W. and Spataro,
S. and Spruck, B. and Starič, M. and Stavroulakis, P. and
Stefkova, S. and Stroili, R. and Strube, J. and Sue, Y. and
Sumihama, M. and Sumisawa, K. and Suwonjandee, N. and
Svidras, H. and Takahashi, M. and Takizawa, M. and Tamponi,
U. and Tanida, K. and Tenchini, F. and Thaller, A. and
Tittel, O. and Tiwary, R. and Torassa, E. and Trabelsi, K.
and Tsaklidis, I. and Uchida, M. and Ueda, I. and Uglov, T.
and Unger, K. and Unno, Y. and Uno, K. and Uno, S. and
Urquijo, P. and Ushiroda, Y. and Vahsen, S. E. and van
Tonder, R. and Varvell, K. E. and Veronesi, M. and
Vinokurova, A. and Vismaya, V. S. and Vitale, L. and
Vobbilisetti, V. and Volpe, R. and Vossen, A. and Wakai, M.
and Wallner, S. and Wang, M.-Z. and Warburton, A. and
Watanabe, M. and Watanuki, S. and Wessel, C. and Won, E. and
Xu, X. P. and Yabsley, B. D. and Yamada, S. and Yan, W. and
Yan, W. C. and Yang, S. B. and Yelton, J. and Yin, J. H. and
Yoshihara, K. and Yuan, J. and Zani, L. and Zeng, F. and
Zeyrek, M. and Zhang, B. and Zhilich, V. and Zhou, J. S. and
Zhou, Q. D. and Zhu, L. and Žlebčík, R.},
collaboration = {Belle-{II Collaboration}},
title = {{S}earch for a dark {H}iggs boson produced in association
with inelastic dark matter at the {B}elle {II} experiment},
reportid = {PUBDB-2025-01852, arXiv:2505.09705. Belle II Preprint
2025-015. KEK Preprint 2025-14},
year = {2025},
note = {Submitted for publication with Physical Review Letters},
abstract = {Inelastic dark matter models that have two dark matter
particles and a massive dark photon can reproduce the
observed relic dark matter density without violating
cosmological limits. The mass splitting between the two dark
matter particles $\chi_{1}$ and $\chi_{2}$, with
$m(\chi_{2}) > m(\chi_{1})$, is induced by a dark Higgs
field and a corresponding dark Higgs boson $h^{\prime}$. We
present a search for dark matter in events with two
vertices, at least one of which must be displaced from the
interaction region, and missing energy. Using a
$365\,\mbox{fb}^{-1}$ data sample collected at Belle II,
which operates at the SuperKEKB $e^+e^-$ collider, we
observe no evidence for a signal. We set upper limits on the
product of the production cross section $\sigma\left(e^+e^-
\to h^\prime \chi_1 \chi_2\right)$, and the product of
branching fractions $\mathcal{B}\left(\chi_2\to\chi_1 e^+
e^-\right)\times\mathcal{B}\left(h^\prime\to x^+x^-\right)$,
where $x^+x^-$ indicates $\mu^+\mu^-, \pi^+\pi^-$, or
$K^+K^-$, as functions of $h^{\prime}$ mass and lifetime at
the level of $10^{-1}\,\mbox{fb}$. We set model-dependent
upper limits on the dark Higgs mixing angle at the level of
$10^{-5}$ and on the dark photon kinetic mixing parameter at
the level of $10^{-3}$. This is the first search for dark
Higgs bosons in association with inelastic dark matter.},
cin = {BELLE},
cid = {I:(DE-H253)BELLE-20210408},
pnm = {611 - Fundamental Particles and Forces (POF4-611) / FLAVOUR
- Towards the Construction of the Fundamental Theory of
Flavour (267104) / FAIME - Flavour Anomalies with advanced
particle Identification MEthods (884719) / NIOBE -
Non-Leptonic Three-Body B Decays: Theory and Phenomenology
(700525) / TAULEPGAMMA - Search for the Lepton Flavour
Violating Decay Tau to Lepton + Gamma at the Belle II
Experiment (101026516) / JENNIFER2 - Japan and Europe
Network for Neutrino and Intensity Frontier Experimental
Research 2 (822070) / InterLeptons - A search for new
interactions at Belle II using leptons (947006)},
pid = {G:(DE-HGF)POF4-611 / G:(EU-Grant)267104 /
G:(EU-Grant)884719 / G:(EU-Grant)700525 /
G:(EU-Grant)101026516 / G:(EU-Grant)822070 /
G:(EU-Grant)947006},
experiment = {EXP:(DE-H253)BELLE-20150101},
typ = {PUB:(DE-HGF)25},
eprint = {2505.09705},
howpublished = {arXiv:2505.09705},
archivePrefix = {arXiv},
SLACcitation = {$\%\%CITATION$ = $arXiv:2505.09705;\%\%$},
doi = {10.3204/PUBDB-2025-01852},
url = {https://bib-pubdb1.desy.de/record/630147},
}
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