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Article: Constraining light thermal inelastic dark matter with NA64.

Mongillo, Martina / Abdullahi, Asli / Banto Oberhauser, Benjamin / Crivelli, Paolo / Hostert, Matheus / Massaro, Daniele / Molina Bueno, Laura / Pascoli, Silvia

The European physical journal. C, Particles and fields

2023 Volume 83, Issue 5, Page(s) 391

Abstract: A vector portal between the Standard Model and the dark sector is a predictive and compelling framework for thermal dark matter. Through co-annihilations, models of inelastic dark matter (iDM) and inelastic Dirac dark matter (i2DM) can reproduce the ... ...

Abstract	A vector portal between the Standard Model and the dark sector is a predictive and compelling framework for thermal dark matter. Through co-annihilations, models of inelastic dark matter (iDM) and inelastic Dirac dark matter (i2DM) can reproduce the observed relic density in the MeV to GeV mass range without violating cosmological limits. In these scenarios, the vector mediator behaves like a semi-visible particle, evading traditional bounds on visible or invisible resonances, and uncovering new parameter space to explain the muon
Language	English
Publishing date	2023-05-10
Publishing country	France
Document type	Journal Article
ZDB-ID	1459069-4
ISSN	1434-6052 ; 1434-6044
ISSN (online)	1434-6052
ISSN	1434-6044
DOI	10.1140/epjc/s10052-023-11536-5
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Article ; Online: Search for Light Dark Matter with NA64 at CERN.

Andreev, Yu M / Banerjee, D / Banto Oberhauser, B / Bernhard, J / Bisio, P / Celentano, A / Charitonidis, N / Chumakov, A G / Cooke, D / Crivelli, P / Depero, E / Dermenev, A V / Donskov, S V / Dusaev, R R / Enik, T / Frolov, V N / Galleguillos Silva, R B / Gardikiotis, A / Gertsenberger, S V /

Girod, S / Gninenko, S N / Hösgen, M / Kachanov, V A / Kambar, Y / Karneyeu, A E / Kasianova, E A / Kekelidze, G D / Ketzer, B / Kirpichnikov, D V / Kirsanov, M M / Kolosov, V N / Kramarenko, V A / Kravchuk, L V / Krasnikov, N V / Kuleshov, S V / Lyubovitskij, V E / Lysan, V / Marini, A / Marsicano, L / Matveev, V A / Mena Fredes, R / Mena Yanssen, R G / Molina Bueno, L / Mongillo, M / Peshekhonov, D V / Polyakov, V A / Radics, B / Salamatin, K M / Samoylenko, V D / Sieber, H / Shchukin, D A / Soto, O / Tikhomirov, V O / Tlisova, I V / Toropin, A N / Tuzi, M / Vasilishin, B I / Volkov, P V / Volkov, V Yu / Voronchikhin, I V / Zamora-Saá, J / Zhevlakov, A S

Physical review letters

2023 Volume 131, Issue 16, Page(s) 161801

Abstract: Thermal dark matter models with particle χ masses below the electroweak scale can provide an explanation for the observed relic dark matter density. This would imply the existence of a new feeble interaction between the dark and ordinary matter. We ... ...

Abstract	Thermal dark matter models with particle χ masses below the electroweak scale can provide an explanation for the observed relic dark matter density. This would imply the existence of a new feeble interaction between the dark and ordinary matter. We report on a new search for the sub-GeV χ production through the interaction mediated by a new vector boson, called the dark photon A^{'}, in collisions of 100 GeV electrons with the active target of the NA64 experiment at the CERN SPS. With 9.37×10^{11} electrons on target collected during 2016-2022 runs NA64 probes for the first time the well-motivated region of parameter space of benchmark thermal scalar and fermionic dark matter models. No evidence for dark matter production has been found. This allows us to set the most sensitive limits on the A^{'} couplings to photons for masses m_{A^{'}}≲0.35 GeV, and to exclude scalar and Majorana dark matter with the χ-A^{'} coupling α_{D}≤0.1 for masses 0.001≲m_{χ}≲0.1 GeV and 3m_{χ}≤m_{A^{'}}.
Language	English
Publishing date	2023-11-05
Publishing country	United States
Document type	Journal Article
ZDB-ID	208853-8
ISSN	1079-7114 ; 0031-9007
ISSN (online)	1079-7114
ISSN	0031-9007
DOI	10.1103/PhysRevLett.131.161801
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Article ; Online: Search for a New B-L Z^{'} Gauge Boson with the NA64 Experiment at CERN.

Andreev, Yu M / Banerjee, D / Banto Oberhauser, B / Bernhard, J / Bisio, P / Burtsev, V E / Celentano, A / Charitonidis, N / Chumakov, A G / Cooke, D / Crivelli, P / Depero, E / Dermenev, A V / Donskov, S V / Dusaev, R R / Enik, T / Frolov, V N / Gardikiotis, A / Gerassimov, S G /

Gninenko, S N / Hösgen, M / Jeckel, M / Kachanov, V A / Karneyeu, A E / Kekelidze, G / Ketzer, B / Kirpichnikov, D V / Kirsanov, M M / Kolosov, V N / Kovalenko, S G / Kramarenko, V A / Kravchuk, L V / Krasnikov, N V / Kuleshov, S V / Lyubovitskij, V E / Lysan, V / Marsicano, L / Matveev, V A / Mikhailov, Yu V / Molina Bueno, L / Peshekhonov, D V / Polyakov, V A / Radics, B / Rubbia, A / Samalantin, K M / Samoylenko, V D / Sieber, H / Shchukin, D / Soto, O / Tikhomirov, V O / Tlisova, I V / Toropin, A N / Vasilishin, B I / Volkov, P V / Volkov, V Yu / Voronchikhin, I / Zamora-Saá, J

Physical review letters

2022 Volume 129, Issue 16, Page(s) 161801

Abstract: A search for a new Z^{'} gauge boson associated with (un)broken B-L symmetry in the keV-GeV mass range is carried out for the first time using the missing-energy technique in the NA64 experiment at the CERN SPS. From the analysis of the data with 3.22×10^ ...

Abstract	A search for a new Z^{'} gauge boson associated with (un)broken B-L symmetry in the keV-GeV mass range is carried out for the first time using the missing-energy technique in the NA64 experiment at the CERN SPS. From the analysis of the data with 3.22×10^{11} electrons on target collected during 2016-2021 runs, no signal events were found. This allows us to derive new constraints on the Z^{'}-e coupling strength, which, for the mass range 0.3≲m_{Z^{'}}≲100 MeV, are more stringent compared to those obtained from the neutrino-electron scattering data.
Language	English
Publishing date	2022-10-20
Publishing country	United States
Document type	Journal Article
ZDB-ID	208853-8
ISSN	1079-7114 ; 0031-9007
ISSN (online)	1079-7114
ISSN	0031-9007
DOI	10.1103/PhysRevLett.129.161801
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Constraints on New Physics in Electron g-2 from a Search for Invisible Decays of a Scalar, Pseudoscalar, Vector, and Axial Vector.

Andreev, Yu M / Banerjee, D / Bernhard, J / Burtsev, V E / Chumakov, A G / Cooke, D / Crivelli, P / Depero, E / Dermenev, A V / Donskov, S V / Dusaev, R R / Enik, T / Charitonidis, N / Feshchenko, A / Frolov, V N / Gardikiotis, A / Gerassimov, S G / Gninenko, S N / Hösgen, M /

Kachanov, V A / Karneyeu, A E / Kekelidze, G / Ketzer, B / Kirpichnikov, D V / Kirsanov, M M / Kolosov, V N / Konorov, I V / Kovalenko, S G / Kramarenko, V A / Kravchuk, L V / Krasnikov, N V / Kuleshov, S V / Lyubovitskij, V E / Lysan, V / Matveev, V A / Mikhailov, Yu V / Molina Bueno, L / Peshekhonov, D V / Polyakov, V A / Radics, B / Rojas, R / Rubbia, A / Samoylenko, V D / Sieber, H / Shchukin, D / Tikhomirov, V O / Tlisova, I / Toropin, A N / Trifonov, A Yu / Vasilishin, B I / Volkov, P V / Volkov, V Yu

Physical review letters

2021 Volume 126, Issue 21, Page(s) 211802

Abstract: We performed a search for a new generic X boson, which could be a scalar (S), pseudoscalar (P), vector (V), or an axial vector (A) particle produced in the 100 GeV electron scattering off nuclei, e^{-}Z→e^{-}ZX, followed by its invisible decay in the ... ...

Abstract	We performed a search for a new generic X boson, which could be a scalar (S), pseudoscalar (P), vector (V), or an axial vector (A) particle produced in the 100 GeV electron scattering off nuclei, e^{-}Z→e^{-}ZX, followed by its invisible decay in the NA64 experiment at CERN. No evidence for such a process was found in the full NA64 dataset of 2.84×10^{11} electrons on target. We place new bounds on the S, P, V, A coupling strengths to electrons, and set constraints on their contributions to the electron anomalous magnetic moment a_{e}, \|Δa_{X}\|≲10^{-15}-10^{-13} for the X mass region 1 MeV≲m_{X}≲1 GeV. These results are an order of magnitude more sensitive compared to the current accuracy on a_{e} from the electron g-2 experiments and recent high-precision determination of the fine structure constant.
Language	English
Publishing date	2021-06-11
Publishing country	United States
Document type	Journal Article
ZDB-ID	208853-8
ISSN	1079-7114 ; 0031-9007
ISSN (online)	1079-7114
ISSN	0031-9007
DOI	10.1103/PhysRevLett.126.211802
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Search for Axionlike and Scalar Particles with the NA64 Experiment.

Banerjee, D / Bernhard, J / Burtsev, V E / Chumakov, A G / Cooke, D / Crivelli, P / Depero, E / Dermenev, A V / Donskov, S V / Dusaev, R R / Enik, T / Charitonidis, N / Feshchenko, A / Frolov, V N / Gardikiotis, A / Gerassimov, S G / Gninenko, S N / Hösgen, M / Jeckel, M /

Kachanov, V A / Karneyeu, A E / Kekelidze, G / Ketzer, B / Kirpichnikov, D V / Kirsanov, M M / Kolosov, V N / Konorov, I V / Kovalenko, S G / Kramarenko, V A / Kravchuk, L V / Krasnikov, N V / Kuleshov, S V / Lyubovitskij, V E / Lysan, V / Matveev, V A / Mikhailov, Yu V / Molina Bueno, L / Peshekhonov, D V / Polyakov, V A / Radics, B / Rojas, R / Rubbia, A / Samoylenko, V D / Sieber, H / Shchukin, D / Tikhomirov, V O / Tlisova, I / Tlisov, D A / Toropin, A N / Trifonov, A Yu / Vasilishin, B I / Vasquez Arenas, G / Volkov, P V / Volkov, V Yu / Ulloa, P

Physical review letters

2020 Volume 125, Issue 8, Page(s) 81801

Abstract: We carried out a model-independent search for light scalar (s) and pseudoscalar axionlike (a) particles that couple to two photons by using the high-energy CERN SPS H4 electron beam. The new particles, if they exist, could be produced through the ... ...

Abstract	We carried out a model-independent search for light scalar (s) and pseudoscalar axionlike (a) particles that couple to two photons by using the high-energy CERN SPS H4 electron beam. The new particles, if they exist, could be produced through the Primakoff effect in interactions of hard bremsstrahlung photons generated by 100 GeV electrons in the NA64 active dump with virtual photons provided by the nuclei of the dump. The a(s) would penetrate the downstream HCAL module, serving as a shield, and would be observed either through their a(s)→γγ decay in the rest of the HCAL detector, or as events with a large missing energy if the a(s) decays downstream of the HCAL. This method allows for the probing of the a(s) parameter space, including those from generic axion models, inaccessible to previous experiments. No evidence of such processes has been found from the analysis of the data corresponding to 2.84×10^{11} electrons on target, allowing us to set new limits on the a(s)γγ-coupling strength for a(s) masses below 55 MeV.
Language	English
Publishing date	2020-03-25
Publishing country	United States
Document type	Journal Article
ZDB-ID	208853-8
ISSN	1079-7114 ; 0031-9007
ISSN (online)	1079-7114
ISSN	0031-9007
DOI	10.1103/PhysRevLett.125.081801
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Article: Probing the explanation of the muon (g-2) anomaly and thermal light dark matter with the semi-visible dark photon channel.

Cazzaniga, C / Odagiu, P / Depero, E / Molina Bueno, L / Andreev, Yu M / Banerjee, D / Bernhard, J / Burtsev, V E / Charitonidis, N / Chumakov, A G / Cooke, D / Crivelli, P / Dermenev, A V / Donskov, S V / Dusaev, R R / Enik, T / Feshchenko, A / Frolov, V N / Gardikiotis, A /

Gerassimov, S G / Girod, S / Gninenko, S N / Hösgen, M / Kachanov, V A / Karneyeu, A E / Kekelidze, G / Ketzer, B / Kirpichnikov, D V / Kirsanov, M M / Kolosov, V N / Konorov, I V / Kovalenko, S G / Kramarenko, V A / Kravchuk, L V / Krasnikov, N V / Kuleshov, S V / Lyubovitskij, V E / Lysan, V / Matveev, V A / Mikhailov, Yu V / Peshekhonov, D V / Polyakov, V A / Radics, B / Rojas, R / Rubbia, A / Samoylenko, V D / Shchukin, D / Sieber, H / Tikhomirov, V O / Tlisova, I V / Tlisov, D A / Toropin, A N / Trifonov, A Yu / Vasilishin, B I / Arenas, G Vasquez / Volkov, P V / Volkov, V Yu / Ulloa, P

The European physical journal. C, Particles and fields

2021 Volume 81, Issue 10, Page(s) 959

Abstract: We report the results of a search for a new vector boson ( ...

Abstract	We report the results of a search for a new vector boson (
Language	English
Publishing date	2021-10-30
Publishing country	France
Document type	Journal Article
ZDB-ID	1459069-4
ISSN	1434-6052 ; 1434-6044
ISSN (online)	1434-6052
ISSN	1434-6044
DOI	10.1140/epjc/s10052-021-09705-5
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Article ; Online: Dark Matter Search in Missing Energy Events with NA64.

Banerjee, D / Burtsev, V E / Chumakov, A G / Cooke, D / Crivelli, P / Depero, E / Dermenev, A V / Donskov, S V / Dusaev, R R / Enik, T / Charitonidis, N / Feshchenko, A / Frolov, V N / Gardikiotis, A / Gerassimov, S G / Gninenko, S N / Hösgen, M / Jeckel, M / Karneyeu, A E /

Kekelidze, G / Ketzer, B / Kirpichnikov, D V / Kirsanov, M M / Konorov, I V / Kovalenko, S G / Kramarenko, V A / Kravchuk, L V / Krasnikov, N V / Kuleshov, S V / Lyubovitskij, V E / Lysan, V / Matveev, V A / Mikhailov, Yu V / Molina Bueno, L / Peshekhonov, D V / Polyakov, V A / Radics, B / Rojas, R / Rubbia, A / Samoylenko, V D / Shchukin, D / Tikhomirov, V O / Tlisova, I / Tlisov, D A / Toropin, A N / Trifonov, A Yu / Vasilishin, B I / Vasquez Arenas, G / Volkov, P V / Volkov, V Yu / Ulloa, P

Physical review letters

2019 Volume 123, Issue 12, Page(s) 121801

Abstract: A search for sub-GeV dark matter production mediated by a new vector boson A^{'}, called a dark photon, is performed by the NA64 experiment in missing energy events from 100 GeV electron interactions in an active beam dump at the CERN SPS. From the ... ...

Abstract	A search for sub-GeV dark matter production mediated by a new vector boson A^{'}, called a dark photon, is performed by the NA64 experiment in missing energy events from 100 GeV electron interactions in an active beam dump at the CERN SPS. From the analysis of the data collected in the years 2016, 2017, and 2018 with 2.84×10^{11} electrons on target no evidence of such a process has been found. The most stringent constraints on the A^{'} mixing strength with photons and the parameter space for the scalar and fermionic dark matter in the mass range ≲0.2 GeV are derived, thus demonstrating the power of the active beam dump approach for the dark matter search.
Language	English
Publishing date	2019-10-21
Publishing country	United States
Document type	Journal Article
ZDB-ID	208853-8
ISSN	1079-7114 ; 0031-9007
ISSN (online)	1079-7114
ISSN	0031-9007
DOI	10.1103/PhysRevLett.123.121801
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Article: Measurements of neutrino oscillation parameters from the T2K experiment using

Abe, K / Akhlaq, N / Akutsu, R / Ali, A / Alonso Monsalve, S / Alt, C / Andreopoulos, C / Antonova, M / Aoki, S / Arihara, T / Asada, Y / Ashida, Y / Atkin, E T / Barbi, M / Barker, G J / Barr, G / Barrow, D / Batkiewicz-Kwasniak, M / Bench, F /

Berardi, V / Berns, L / Bhadra, S / Blanchet, A / Blondel, A / Bolognesi, S / Bonus, T / Bordoni, S / Boyd, S B / Bravar, A / Bronner, C / Bron, S / Bubak, A / Buizza Avanzini, M / Caballero, J A / Calabria, N F / Cao, S / Carabadjac, D / Carter, A J / Cartwright, S L / Catanesi, M G / Cervera, A / Chakrani, J / Cherdack, D / Chong, P S / Christodoulou, G / Chvirova, A / Cicerchia, M / Coleman, J / Collazuol, G / Cook, L / Cudd, A / Dalmazzone, C / Daret, T / Davydov, Yu I / De Roeck, A / De Rosa, G / Dealtry, T / Delogu, C C / Densham, C / Dergacheva, A / Di Lodovico, F / Dolan, S / Douqa, D / Doyle, T A / Drapier, O / Dumarchez, J / Dunne, P / Dygnarowicz, K / Eguchi, A / Emery-Schrenk, S / Erofeev, G / Ershova, A / Eurin, G / Fedorova, D / Fedotov, S / Feltre, M / Finch, A J / Fiorentini Aguirre, G A / Fiorillo, G / Fitton, M D / Franco Patiño, J M / Friend, M / Fujii, Y / Fukuda, Y / Fusshoeller, K / Giannessi, L / Giganti, C / Glagolev, V / Gonin, M / González Rosa, J / Goodman, E A G / Gorin, A / Grassi, M / Guigue, M / Hadley, D R / Haigh, J T / Hamacher-Baumann, P / Harris, D A / Hartz, M / Hasegawa, T / Hassani, S / Hastings, N C / Hayato, Y / Henaff, D / Hiramoto, A / Hogan, M / Holeczek, J / Holin, A / Holvey, T / Hong Van, N T / Honjo, T / Iacob, F / Ichikawa, A K / Ikeda, M / Ishida, T / Ishitsuka, M / Israel, H T / Iwamoto, K / Izmaylov, A / Izumi, N / Jakkapu, M / Jamieson, B / Jenkins, S J / Jesús-Valls, C / Jiang, J J / Jonsson, P / Joshi, S / Jung, C K / Jurj, P B / Kabirnezhad, M / Kaboth, A C / Kajita, T / Kakuno, H / Kameda, J / Kasetti, S P / Kataoka, Y / Katayama, Y / Katori, T / Kawaue, M / Kearns, E / Khabibullin, M / Khotjantsev, A / Kikawa, T / Kikutani, H / King, S / Kiseeva, V / Kisiel, J / Kobata, T / Kobayashi, H / Kobayashi, T / Koch, L / Kodama, S / Konaka, A / Kormos, L L / Koshio, Y / Kostin, A / Koto, T / Kowalik, K / Kudenko, Y / Kudo, Y / Kuribayashi, S / Kurjata, R / Kutter, T / Kuze, M / La Commara, M / Labarga, L / Lachner, K / Lagoda, J / Lakshmi, S M / Lamers James, M / Lamoureux, M / Langella, A / Laporte, J-F / Last, D / Latham, N / Laveder, M / Lavitola, L / Lawe, M / Lee, Y / Lin, C / Lin, S-K / Litchfield, R P / Liu, S L / Li, W / Longhin, A / Long, K R / Lopez Moreno, A / Ludovici, L / Lu, X / Lux, T / Machado, L N / Magaletti, L / Mahn, K / Malek, M / Mandal, M / Manly, S / Marino, A D / Marti-Magro, L / Martin, D G R / Martini, M / Martin, J F / Maruyama, T / Matsubara, T / Matveev, V / Mauger, C / Mavrokoridis, K / Mazzucato, E / McCauley, N / McElwee, J / McFarland, K S / McGrew, C / McKean, J / Mefodiev, A / Megias, G D / Mehta, P / Mellet, L / Metelko, C / Mezzetto, M / Miller, E / Minamino, A / Mineev, O / Mine, S / Miura, M / Molina Bueno, L / Moriyama, S / Morrison, P / Mueller, Th A / Munford, D / Munteanu, L / Nagai, K / Nagai, Y / Nakadaira, T / Nakagiri, K / Nakahata, M / Nakajima, Y / Nakamura, A / Nakamura, H / Nakamura, K / Nakamura, K D / Nakano, Y / Nakayama, S / Nakaya, T / Nakayoshi, K / Naseby, C E R / Ngoc, T V / Nguyen, V Q / Niewczas, K / Nishimori, S / Nishimura, Y / Nishizaki, K / Nosek, T / Nova, F / Novella, P / Nugent, J C / O'Keeffe, H M / O'Sullivan, L / Odagawa, T / Ogawa, T / Okada, R / Okinaga, W / Okumura, K / Okusawa, T / Ospina, N / Owen, R A / Oyama, Y / Palladino, V / Paolone, V / Pari, M / Parlone, J / Parsa, S / Pasternak, J / Pavin, M / Payne, D / Penn, G C / Pershey, D / Pickering, L / Pidcott, C / Pintaudi, G / Pistillo, C / Popov, B / Porwit, K / Posiadala-Zezula, M / Prabhu, Y S / Pupilli, F / Quilain, B / Radermacher, T / Radicioni, E / Radics, B / Ramírez, M A / Ratoff, P N / Reh, M / Riccio, C / Rondio, E / Roth, S / Roy, N / Rubbia, A / Ruggeri, A C / Ruggles, C A / Rychter, A / Sakashita, K / Sánchez, F / Santucci, G / Schloesser, C M / Scholberg, K / Scott, M / Seiya, Y / Sekiguchi, T / Sekiya, H / Sgalaberna, D / Shaikhiev, A / Shaker, F / Shaykina, A / Shiozawa, M / Shorrock, W / Shvartsman, A / Skrobova, N / Skwarczynski, K / Smyczek, D / Smy, M / Sobczyk, J T / Sobel, H / Soler, F J P / Sonoda, Y / Speers, A J / Spina, R / Suslov, I A / Suvorov, S / Suzuki, A / Suzuki, S Y / Suzuki, Y / Sztuc, A A / Tada, M / Tairafune, S / Takayasu, S / Takeda, A / Takeuchi, Y / Takifuji, K / Tanaka, H K / Tanihara, Y / Tani, M / Teklu, A / Tereshchenko, V V / Teshima, N / Thamm, N / Thompson, L F / Toki, W / Touramanis, C / Towstego, T / Tsui, K M / Tsukamoto, T / Tzanov, M / Uchida, Y / Vagins, M / Vargas, D / Varghese, M / Vasseur, G / Vilela, C / Villa, E / Vinning, W G S / Virginet, U / Vladisavljevic, T / Wachala, T / Walsh, J G / Wang, Y / Wan, L / Wark, D / Wascko, M O / Weber, A / Wendell, R / Wilking, M J / Wilkinson, C / Wilson, J R / Wood, K / Wret, C / Xia, J / Xu, Y-H / Yamamoto, K / Yamamoto, T / Yanagisawa, C / Yang, G / Yano, T / Yasutome, K / Yershov, N / Yevarouskaya, U / Yokoyama, M / Yoshimoto, Y / Yoshimura, N / Yu, M / Zaki, R / Zalewska, A / Zalipska, J / Zaremba, K / Zarnecki, G / Zhao, X / Zhu, T / Ziembicki, M / Zimmerman, E D / Zito, M / Zsoldos, S

The European physical journal. C, Particles and fields

2023 Volume 83, Issue 9, Page(s) 782

Abstract: The T2K experiment presents new measurements of neutrino oscillation parameters ... ...

Abstract	The T2K experiment presents new measurements of neutrino oscillation parameters using
Language	English
Publishing date	2023-09-05
Publishing country	France
Document type	Journal Article
ZDB-ID	1459069-4
ISSN	1434-6052 ; 1434-6044
ISSN (online)	1434-6052
ISSN	1434-6044
DOI	10.1140/epjc/s10052-023-11819-x
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Article ; Online: Search for Electron Antineutrino Appearance in a Long-Baseline Muon Antineutrino Beam.

Abe, K / Akutsu, R / Ali, A / Alt, C / Andreopoulos, C / Anthony, L / Antonova, M / Aoki, S / Ariga, A / Asada, Y / Ashida, Y / Atkin, E T / Awataguchi, Y / Ban, S / Barbi, M / Barker, G J / Barr, G / Barrow, D / Barry, C /

Batkiewicz-Kwasniak, M / Beloshapkin, A / Bench, F / Berardi, V / Berkman, S / Berns, L / Bhadra, S / Bienstock, S / Blondel, A / Bolognesi, S / Bourguille, B / Boyd, S B / Brailsford, D / Bravar, A / Bravo Berguño, D / Bronner, C / Bubak, A / Buizza Avanzini, M / Calcutt, J / Campbell, T / Cao, S / Cartwright, S L / Catanesi, M G / Cervera, A / Chappell, A / Checchia, C / Cherdack, D / Chikuma, N / Christodoulou, G / Coleman, J / Collazuol, G / Cook, L / Coplowe, D / Cudd, A / Dabrowska, A / De Rosa, G / Dealtry, T / Denner, P F / Dennis, S R / Densham, C / Di Lodovico, F / Dokania, N / Dolan, S / Doyle, T A / Drapier, O / Dumarchez, J / Dunne, P / Eklund, L / Emery-Schrenk, S / Ereditato, A / Fernandez, P / Feusels, T / Finch, A J / Fiorentini, G A / Fiorillo, G / Francois, C / Friend, M / Fujii, Y / Fujita, R / Fukuda, D / Fukuda, R / Fukuda, Y / Fusshoeller, K / Gameil, K / Giganti, C / Golan, T / Gonin, M / Gorin, A / Guigue, M / Hadley, D R / Haigh, J T / Hamacher-Baumann, P / Hartz, M / Hasegawa, T / Hastings, N C / Hayashino, T / Hayato, Y / Hiramoto, A / Hogan, M / Holeczek, J / Hong Van, N T / Iacob, F / Ichikawa, A K / Ikeda, M / Ishida, T / Ishii, T / Ishitsuka, M / Iwamoto, K / Izmaylov, A / Jakkapu, M / Jamieson, B / Jenkins, S J / Jesús-Valls, C / Jiang, M / Johnson, S / Jonsson, P / Jung, C K / Kabirnezhad, M / Kaboth, A C / Kajita, T / Kakuno, H / Kameda, J / Karlen, D / Kasetti, S P / Kataoka, Y / Katori, T / Kato, Y / Kearns, E / Khabibullin, M / Khotjantsev, A / Kikawa, T / Kim, H / Kim, J / King, S / Kisiel, J / Knight, A / Knox, A / Kobayashi, T / Koch, L / Koga, T / Konaka, A / Kormos, L L / Koshio, Y / Kostin, A / Kowalik, K / Kubo, H / Kudenko, Y / Kukita, N / Kuribayashi, S / Kurjata, R / Kutter, T / Kuze, M / Labarga, L / Lagoda, J / Lamoureux, M / Laveder, M / Lawe, M / Licciardi, M / Lindner, T / Litchfield, R P / Liu, S L / Li, X / Longhin, A / Ludovici, L / Lu, X / Lux, T / Machado, L N / Magaletti, L / Mahn, K / Malek, M / Manly, S / Maret, L / Marino, A D / Marti-Magro, L / Martin, J F / Maruyama, T / Matsubara, T / Matsushita, K / Matveev, V / Mavrokoridis, K / Mazzucato, E / McCarthy, M / McCauley, N / McFarland, K S / McGrew, C / Mefodiev, A / Metelko, C / Mezzetto, M / Minamino, A / Mineev, O / Mine, S / Miura, M / Molina Bueno, L / Moriyama, S / Morrison, J / Mueller, Th A / Munteanu, L / Murphy, S / Nagai, Y / Nakadaira, T / Nakahata, M / Nakajima, Y / Nakamura, A / Nakamura, K G / Nakamura, K / Nakayama, S / Nakaya, T / Nakayoshi, K / Nantais, C / Ngoc, T V / Niewczas, K / Nishikawa, K / Nishimura, Y / Nonnenmacher, T S / Nova, F / Novella, P / Nowak, J / Nugent, J C / O'Keeffe, H M / O'Sullivan, L / Odagawa, T / Okumura, K / Okusawa, T / Oser, S M / Owen, R A / Oyama, Y / Palladino, V / Palomino, J L / Paolone, V / Parker, W C / Pasternak, J / Paudyal, P / Pavin, M / Payne, D / Penn, G C / Pickering, L / Pidcott, C / Pintaudi, G / Pinzon Guerra, E S / Pistillo, C / Popov, B / Porwit, K / Posiadala-Zezula, M / Pritchard, A / Quilain, B / Radermacher, T / Radicioni, E / Radics, B / Ratoff, P N / Reinherz-Aronis, E / Riccio, C / Rondio, E / Roth, S / Rubbia, A / Ruggeri, A C / Ruggles, C A / Rychter, A / Sakashita, K / Sánchez, F / Schloesser, C M / Scholberg, K / Schwehr, J / Scott, M / Seiya, Y / Sekiguchi, T / Sekiya, H / Sgalaberna, D / Shah, R / Shaikhiev, A / Shaker, F / Shaykina, A / Shiozawa, M / Shorrock, W / Shvartsman, A / Smirnov, A / Smy, M / Sobczyk, J T / Sobel, H / Soler, F J P / Sonoda, Y / Steinmann, J / Suvorov, S / Suzuki, A / Suzuki, S Y / Suzuki, Y / Sztuc, A A / Tada, M / Tajima, M / Takeda, A / Takeuchi, Y / Tanaka, H K / Tanaka, H A / Tanaka, S / Thompson, L F / Toki, W / Touramanis, C / Towstego, T / Tsui, K M / Tsukamoto, T / Tzanov, M / Uchida, Y / Uno, W / Vagins, M / Valder, S / Vallari, Z / Vargas, D / Vasseur, G / Vilela, C / Vinning, W G S / Vladisavljevic, T / Volkov, V V / Wachala, T / Walker, J / Walsh, J G / Wang, Y / Wark, D / Wascko, M O / Weber, A / Wendell, R / Wilking, M J / Wilkinson, C / Wilson, J R / Wilson, R J / Wood, K / Wret, C / Yamada, Y / Yamamoto, K / Yanagisawa, C / Yang, G / Yano, T / Yasutome, K / Yen, S / Yershov, N / Yokoyama, M / Yoshida, T / Yu, M / Zalewska, A / Zalipska, J / Zaremba, K / Zarnecki, G / Ziembicki, M / Zimmerman, E D / Zito, M / Zsoldos, S / Zykova, A

Physical review letters

2020 Volume 124, Issue 16, Page(s) 161802

Abstract: Electron antineutrino appearance is measured by the T2K experiment in an accelerator-produced antineutrino beam, using additional neutrino beam operation to constrain parameters of the Pontecorvo-Maki-Nakagawa-Sakata (PMNS) mixing matrix. T2K observes 15 ...

Abstract	Electron antineutrino appearance is measured by the T2K experiment in an accelerator-produced antineutrino beam, using additional neutrino beam operation to constrain parameters of the Pontecorvo-Maki-Nakagawa-Sakata (PMNS) mixing matrix. T2K observes 15 candidate electron antineutrino events with a background expectation of 9.3 events. Including information from the kinematic distribution of observed events, the hypothesis of no electron antineutrino appearance is disfavored with a significance of 2.40σ and no discrepancy between data and PMNS predictions is found. A complementary analysis that introduces an additional free parameter which allows non-PMNS values of electron neutrino and antineutrino appearance also finds no discrepancy between data and PMNS predictions.
Language	English
Publishing date	2020-05-08
Publishing country	United States
Document type	Journal Article
ZDB-ID	208853-8
ISSN	1079-7114 ; 0031-9007
ISSN (online)	1079-7114
ISSN	0031-9007
DOI	10.1103/PhysRevLett.124.161802
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Testing Hadronic Interactions at Ultrahigh Energies with Air Showers Measured by the Pierre Auger Observatory.

Aab, A / Abreu, P / Aglietta, M / Ahn, E J / Al Samarai, I / Albuquerque, I F M / Allekotte, I / Allen, J D / Allison, P / Almela, A / Alvarez Castillo, J / Alvarez-Muñiz, J / Ambrosio, M / Anastasi, G A / Anchordoqui, L / Andrada, B / Andringa, S / Aramo, C / Arqueros, F /

Arsene, N / Asorey, H / Assis, P / Aublin, J / Avila, G / Badescu, A M / Baus, C / Beatty, J J / Becker, K H / Bellido, J A / Berat, C / Bertaina, M E / Bertou, X / Biermann, P L / Billoir, P / Biteau, J / Blaess, S G / Blanco, A / Blazek, J / Bleve, C / Blümer, H / Boháčová, M / Boncioli, D / Bonifazi, C / Borodai, N / Botti, A M / Brack, J / Brancus, I / Bretz, T / Bridgeman, A / Briechle, F L / Buchholz, P / Bueno, A / Buitink, S / Buscemi, M / Caballero-Mora, K S / Caccianiga, B / Caccianiga, L / Cancio, A / Canfora, F / Caramete, L / Caruso, R / Castellina, A / Cataldi, G / Cazon, L / Cester, R / Chavez, A G / Chiavassa, A / Chinellato, J A / Chirinos Diaz, J C / Chudoba, J / Clay, R W / Colalillo, R / Coleman, A / Collica, L / Coluccia, M R / Conceição, R / Contreras, F / Cooper, M J / Coutu, S / Covault, C E / Cronin, J / Dallier, R / D'Amico, S / Daniel, B / Dasso, S / Daumiller, K / Dawson, B R / de Almeida, R M / de Jong, S J / De Mauro, G / de Mello Neto, J R T / De Mitri, I / de Oliveira, J / de Souza, V / Debatin, J / Del Peral, L / Deligny, O / Dhital, N / Di Giulio, C / Di Matteo, A / Díaz Castro, M L / Diogo, F / Dobrigkeit, C / D'Olivo, J C / Dorofeev, A / Dos Anjos, R C / Dova, M T / Dundovic, A / Ebr, J / Engel, R / Erdmann, M / Erfani, M / Escobar, C O / Espadanal, J / Etchegoyen, A / Falcke, H / Fang, K / Farrar, G R / Fauth, A C / Fazzini, N / Ferguson, A P / Fick, B / Figueira, J M / Filevich, A / Filipčič, A / Fratu, O / Freire, M M / Fujii, T / Fuster, A / Gallo, F / García, B / Garcia-Pinto, D / Gate, F / Gemmeke, H / Gherghel-Lascu, A / Ghia, P L / Giaccari, U / Giammarchi, M / Giller, M / Głas, D / Glaser, C / Glass, H / Golup, G / Gómez Berisso, M / Gómez Vitale, P F / González, N / Gookin, B / Gordon, J / Gorgi, A / Gorham, P / Gouffon, P / Griffith, N / Grillo, A F / Grubb, T D / Guarino, F / Guedes, G P / Hampel, M R / Hansen, P / Harari, D / Harrison, T A / Harton, J L / Hasankiadeh, Q / Haungs, A / Hebbeker, T / Heck, D / Heimann, P / Herve, A E / Hill, G C / Hojvat, C / Hollon, N / Holt, E / Homola, P / Hörandel, J R / Horvath, P / Hrabovský, M / Huege, T / Hulsman, J / Insolia, A / Isar, P G / Jandt, I / Jansen, S / Jarne, C / Johnsen, J A / Josebachuili, M / Kääpä, A / Kambeitz, O / Kampert, K H / Kasper, P / Katkov, I / Keilhauer, B / Kemp, E / Kieckhafer, R M / Klages, H O / Kleifges, M / Kleinfeller, J / Krause, R / Krohm, N / Kuempel, D / Kukec Mezek, G / Kunka, N / Kuotb Awad, A / LaHurd, D / Latronico, L / Lauscher, M / Lautridou, P / Lebrun, P / Legumina, R / Leigui de Oliveira, M A / Letessier-Selvon, A / Lhenry-Yvon, I / Link, K / Lopes, L / López, R / López Casado, A / Lucero, A / Malacari, M / Mallamaci, M / Mandat, D / Mantsch, P / Mariazzi, A G / Marin, V / Mariş, I C / Marsella, G / Martello, D / Martinez, H / Martínez Bravo, O / Masías Meza, J J / Mathes, H J / Mathys, S / Matthews, J / Matthews, J A J / Matthiae, G / Maurizio, D / Mayotte, E / Mazur, P O / Medina, C / Medina-Tanco, G / Mello, V B B / Melo, D / Menshikov, A / Messina, S / Micheletti, M I / Middendorf, L / Minaya, I A / Miramonti, L / Mitrica, B / Molina-Bueno, L / Mollerach, S / Montanet, F / Morello, C / Mostafá, M / Moura, C A / Müller, G / Muller, M A / Müller, S / Naranjo, I / Navas, S / Necesal, P / Nellen, L / Nelles, A / Neuser, J / Nguyen, P H / Niculescu-Oglinzanu, M / Niechciol, M / Niemietz, L / Niggemann, T / Nitz, D / Nosek, D / Novotny, V / Nožka, H / Núñez, L A / Ochilo, L / Oikonomou, F / Olinto, A / Pakk Selmi-Dei, D / Palatka, M / Pallotta, J / Papenbreer, P / Parente, G / Parra, A / Paul, T / Pech, M / Pedreira, F / Pękala, J / Pelayo, R / Peña-Rodriguez, J / Pepe, I M / Pereira, L A S / Perrone, L / Petermann, E / Peters, C / Petrera, S / Phuntsok, J / Piegaia, R / Pierog, T / Pieroni, P / Pimenta, M / Pirronello, V / Platino, M / Plum, M / Porowski, C / Prado, R R / Privitera, P / Prouza, M / Quel, E J / Querchfeld, S / Quinn, S / Rautenberg, J / Ravel, O / Ravignani, D / Revenu, B / Ridky, J / Risse, M / Ristori, P / Rizi, V / Rodrigues de Carvalho, W / Rodriguez Rojo, J / Rodríguez-Frías, M D / Rogozin, D / Rosado, J / Roth, M / Roulet, E / Rovero, A C / Saffi, S J / Saftoiu, A / Salazar, H / Saleh, A / Salesa Greus, F / Salina, G / Sanabria Gomez, J D / Sánchez, F / Sanchez-Lucas, P / Santos, E M / Santos, E / Sarazin, F / Sarkar, B / Sarmento, R / Sarmiento-Cano, C / Sato, R / Scarso, C / Schauer, M / Scherini, V / Schieler, H / Schmidt, D / Scholten, O / Schoorlemmer, H / Schovánek, P / Schröder, F G / Schulz, A / Schulz, J / Schumacher, J / Sciutto, S J / Segreto, A / Settimo, M / Shadkam, A / Shellard, R C / Sigl, G / Sima, O / Śmiałkowski, A / Šmída, R / Snow, G R / Sommers, P / Sonntag, S / Sorokin, J / Squartini, R / Stanca, D / Stanič, S / Stapleton, J / Stasielak, J / Strafella, F / Stutz, A / Suarez, F / Suarez Durán, M / Sudholz, T / Suomijärvi, T / Supanitsky, A D / Sutherland, M S / Swain, J / Szadkowski, Z / Taborda, O A / Tapia, A / Tepe, A / Theodoro, V M / Timmermans, C / Todero Peixoto, C J / Tomankova, L / Tomé, B / Tonachini, A / Torralba Elipe, G / Torres Machado, D / Travnicek, P / Trini, M / Ulrich, R / Unger, M / Urban, M / Valbuena-Delgado, A / Valdés Galicia, J F / Valiño, I / Valore, L / van Aar, G / van Bodegom, P / van den Berg, A M / van Vliet, A / Varela, E / Vargas Cárdenas, B / Varner, G / Vázquez, J R / Vázquez, R A / Veberič, D / Verzi, V / Vicha, J / Videla, M / Villaseñor, L / Vorobiov, S / Wahlberg, H / Wainberg, O / Walz, D / Watson, A A / Weber, M / Weindl, A / Wiencke, L / Wilczyński, H / Winchen, T / Wittkowski, D / Wundheiler, B / Wykes, S / Yang, L / Yapici, T / Yelos, D / Zas, E / Zavrtanik, D / Zavrtanik, M / Zepeda, A / Zimmermann, B / Ziolkowski, M / Zong, Z / Zuccarello, F

Physical review letters

2016 Volume 117, Issue 19, Page(s) 192001

Abstract: Ultrahigh energy cosmic ray air showers probe particle physics at energies beyond the reach of accelerators. Here we introduce a new method to test hadronic interaction models without relying on the absolute energy calibration, and apply it to events ... ...

Abstract	Ultrahigh energy cosmic ray air showers probe particle physics at energies beyond the reach of accelerators. Here we introduce a new method to test hadronic interaction models without relying on the absolute energy calibration, and apply it to events with primary energy 6-16 EeV (E_{CM}=110-170 TeV), whose longitudinal development and lateral distribution were simultaneously measured by the Pierre Auger Observatory. The average hadronic shower is 1.33±0.16 (1.61±0.21) times larger than predicted using the leading LHC-tuned models EPOS-LHC (QGSJetII-04), with a corresponding excess of muons.
Language	English
Publishing date	2016-11-04
Publishing country	United States
Document type	Journal Article
ZDB-ID	208853-8
ISSN	1079-7114 ; 0031-9007
ISSN (online)	1079-7114
ISSN	0031-9007
DOI	10.1103/PhysRevLett.117.192001
Database	MEDical Literature Analysis and Retrieval System OnLINE

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