First Differential Measurement of the Single π^{+} Production Cross Section in Neutrino Neutral-Current Scattering

K Abe¹, S Abe¹, R Akutsu², H Alarakia-Charles³, Y I Alj Hakim⁴, S Alonso Monsalve⁵, L Anthony⁶, S Aoki⁷, K A Apte⁶, T Arai⁸, T Arihara⁹, S Arimoto¹⁰, Y Ashida¹¹, E T Atkin⁶, N Babu¹², V Baranov¹³, G J Barker¹⁴, G Barr¹⁵, D Barrow¹⁵, P Bates¹⁶, L Bathe-Peters¹⁵, M Batkiewicz-Kwasniak¹⁷, N Baudis¹⁵, V Berardi¹⁸, L Berns¹¹, S Bhattacharjee¹², A Blanchet¹⁹, A Blondel^{20

21}, S Bolognesi²², S Bordoni²⁰, S B Boyd¹⁴, C Bronner¹, A Bubak²³, M Buizza Avanzini²⁴, J A Caballero²⁵, F Cadoux²⁰, N F Calabria¹⁸, S Cao²⁶, S Cap²⁰, D Carabadjac²⁴, S L Cartwright⁴, M P Casado²⁷, M G Catanesi¹⁸, J Chakrani²⁸, A Chalumeau²¹, A Chvirova²⁹, G Collazuol³⁰, F Cormier³¹, A A L Craplet⁶, A Cudd³², D D'ago³⁰, C Dalmazzone²¹, T Daret²², P Dasgupta³³, C Davis³⁴, Yu I Davydov¹³, G De Rosa³⁵, T Dealtry³, C Densham³⁶, A Dergacheva²⁹, R Dharmapal Banerjee³⁷, F Di Lodovico³⁸, G Diaz Lopez²¹, S Dolan¹⁹, D Douqa²⁰, T A Doyle³⁹, O Drapier²⁴, K E Duffy¹⁵, J Dumarchez²¹, P Dunne⁶, K Dygnarowicz⁴⁰, A Eguchi⁸, J Elias⁴¹, S Emery-Schrenk²², G Erofeev²⁹, A Ershova²⁴, G Eurin²², D Fedorova²⁹, S Fedotov²⁹, M Feltre³⁰, L Feng¹⁰, D Ferlewicz⁸, A J Finch³, M D Fitton³⁶, C Forza³⁰, M Friend², Y Fujii², Y Fukuda⁴², Y Furui⁹, J García-Marcos⁴³, A C Germer³⁴, L Giannessi²⁰, C Giganti²¹, V Glagolev¹³, M Gonin⁴⁴, R González Jiménez²⁵, J González Rosa²⁵, E A G Goodman⁴⁵, K Gorshanov²⁹, P Govindaraj⁴⁶, M Grassi³⁰, M Guigue²¹, F Y Guo³⁹, D R Hadley¹⁴, S Han^{10

47}, D A Harris⁴⁸, R J Harris^{3

36}, T Hasegawa², C M Hasnip¹⁹, S Hassani²², N C Hastings², Y Hayato^{49

1}, I Heitkamp¹¹, D Henaff²², Y Hino², J Holeczek²³, A Holin³⁶, T Holvey¹⁵, N T Hong Van⁵⁰, T Honjo⁵¹, M C F Hooft⁴³, K Hosokawa¹, J Hu¹⁰, A K Ichikawa¹¹, K Ieki¹, M Ikeda¹, T Ishida², M Ishitsuka⁵², A Izmaylov²⁹, N Jachowicz⁴³, S J Jenkins¹⁶, C Jesús-Valls⁴⁹, M Jia³⁹, J J Jiang³⁹, J Y Ji³⁹, T P Jones³, P Jonsson⁶, S Joshi²², M Kabirnezhad⁶, A C Kaboth^{36

53}, H Kakuno⁹, J Kameda¹, S Karpova²⁰, V S Kasturi²⁰, Y Kataoka¹, T Katori³⁸, Y Kawamura⁵¹, M Kawaue¹⁰, E Kearns⁵⁴, M Khabibullin²⁹, A Khotjantsev²⁹, T Kikawa¹⁰, S King³⁸, V Kiseeva¹³, J Kisiel²³, A Klustová⁶, L Kneale⁴, H Kobayashi⁸, L Koch⁵⁵, S Kodama⁸, M Kolupanova²⁹, A Konaka³¹, L L Kormos³, Y Koshio⁵⁶, K Kowalik⁵⁷, Y Kudenko²⁹, Y Kudo⁵⁸, A Kumar Jha⁴³, R Kurjata⁴⁰, V Kurochka²⁹, T Kutter¹², L Labarga⁵⁹, M Lachat⁴¹, K Lachner¹⁴, J Lagoda⁵⁷, S M Lakshmi²³, M Lamers James¹⁴, A Langella³⁵, D H Langridge⁵³, J-F Laporte²², D Last⁴¹, N Latham³⁸, M Laveder³⁰, M Lawe³, D Leon Silverio⁶⁰, S Levorato³⁰, S V Lewis³⁸, B Li⁵, C Lin⁶, R P Litchfield⁴⁵, S L Liu³⁹, W Li¹⁵, A Longhin³⁰, A Lopez Moreno³⁸, L Ludovici⁶¹, X Lu¹⁴, T Lux²⁷, L N Machado⁴⁵, L Magaletti¹⁸, K Mahn⁶², K K Mahtani³⁹, M Mandal⁵⁷, S Manly⁴¹, A D Marino³², D G R Martin⁶, D A Martinez Caicedo⁶⁰, L Martinez²⁷, M Martini²¹, T Matsubara², R Matsumoto⁶³, V Matveev²⁹, C Mauger³⁴, K Mavrokoridis¹⁶, N McCauley¹⁶, K S McFarland⁴¹, J McKean⁶, A Mefodiev²⁹, G D Megias²⁵, L Mellet⁶², M Mezzetto³⁰, S Miki¹, V Mikola⁴⁵, E W Miller²⁷, A Minamino⁵⁸, O Mineev²⁹, S Mine^{64

1}, J Mirabito⁵⁴, M Miura¹, S Moriyama¹, S Moriyama⁵⁸, P Morrison⁴⁵, Th A Mueller²⁴, D Munford⁶⁵, A Muñoz^{44

24}, L Munteanu¹⁹, Y Nagai³³, T Nakadaira², K Nakagiri⁸, M Nakahata^{49

1}, Y Nakajima⁸, K D Nakamura¹¹, Y Nakano⁶⁶, S Nakayama^{49

1}, T Nakaya^{49

10}, K Nakayoshi², C E R Naseby⁶, D T Nguyen⁶⁷, V Q Nguyen²⁴, K Niewczas⁴³, S Nishimori², Y Nishimura⁶⁸, Y Noguchi¹, T Nosek⁵⁷, F Nova³⁶, J C Nugent⁶, H M O'Keeffe³, L O'Sullivan⁵⁵, R Okazaki⁶⁸, W Okinaga⁸, K Okumura^{49

47}, T Okusawa⁵¹, N Onda¹⁰, N Ospina¹⁸, L Osu²⁴, Y Oyama², V Paolone⁶⁹, J Pasternak⁶, M Pfaff⁶, L Pickering³⁶, B Popov²¹, A J Portocarrero Yrey², M Posiadala-Zezula⁴⁶, Y S Prabhu⁴⁶, H Prasad³⁷, F Pupilli³⁰, B Quilain^{44

24}, P T Quyen²⁶, E Radicioni¹⁸, B Radics⁴⁸, M A Ramirez³⁴, R Ramsden³⁸, P N Ratoff³, M Reh³², G Reina⁵⁵, C Riccio³⁹, D W Riley⁴⁵, E Rondio⁵⁷, S Roth⁷⁰, N Roy⁴⁸, A Rubbia⁵, L Russo²¹, A Rychter⁴⁰, W Saenz²¹, K Sakashita², F Sánchez²⁰, E M Sandford¹⁶, Y Sato⁵², T Schefke¹², C M Schloesser²⁰, K Scholberg⁷¹, M Scott⁶, Y Seiya⁵¹, T Sekiguchi², H Sekiya^{49

1}, T Sekiya⁹, D Seppala⁶², D Sgalaberna⁵, A Shaikhiev²⁹, M Shiozawa^{49

1}, Y Shiraishi⁵⁶, A Shvartsman²⁹, N Skrobova²⁹, K Skwarczynski⁵³, D Smyczek⁷⁰, M Smy⁶⁴, J T Sobczyk³⁷, H Sobel^{64

49}, F J P Soler⁴⁵, A J Speers³, R Spina¹⁸, A Srivastava⁵⁵, P Stowell⁴, Y Stroke²⁹, I A Suslov¹³, A Suzuki⁷, S Y Suzuki², M Tada², S Tairafune¹¹, A Takeda¹, Y Takeuchi^{49

7}, H K Tanaka¹, H Tanigawa², V V Tereshchenko¹³, N Thamm⁷⁰, N Tran¹⁰, T Tsukamoto², M Tzanov¹², Y Uchida⁶, M Vagins^{64

49}, M Varghese²⁷, I Vasilyev¹³, G Vasseur²², E Villa^{19

20}, U Virginet²¹, T Vladisavljevic³⁶, T Wachala¹⁷, D Wakabayashi¹¹, H T Wallace⁴, J G Walsh⁶², L Wan⁵⁴, D Wark^{36

15}, M O Wascko^{36

15}, A Weber⁵⁵, R Wendell¹⁰, M J Wilking⁷², C Wilkinson²⁸, J R Wilson³⁸, K Wood²⁸, C Wret⁶, J Xia⁷³, K Yamamoto⁵¹, T Yamamoto⁵¹, Y Yang¹⁵, T Yano¹, N Yershov²⁹, U Yevarouskaya³⁹, M Yokoyama⁸, Y Yoshimoto⁸, N Yoshimura¹⁰, R Zaki⁴⁸, A Zalewska¹⁷, J Zalipska⁵⁷, G Zarnecki¹⁷, J Zhang^{74

31}, X Y Zhao⁵, H Zheng³⁹, H Zhong⁷, T Zhu⁶, M Ziembicki⁴⁰, E D Zimmerman³², M Zito²¹, S Zsoldos³⁸; T2K Collaboration

Affiliations

¹ Institute for Cosmic Ray Research, Kamioka Observatory, University of Tokyo, Kamioka, Japan.
² High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan.
³ Physics Department, Lancaster University, Lancaster, United Kingdom.
⁴ School of Mathematical and Physical Sciences, University of Sheffield, Sheffield, United Kingdom.
⁵ ETH Zurich, Institute for Particle Physics and Astrophysics, Zurich, Switzerland.
⁶ Department of Physics, Imperial College London, London, United Kingdom.
⁷ Kobe University, Kobe, Japan.
⁸ Department of Physics, University of Tokyo, Tokyo, Japan.
⁹ Department of Physics, Tokyo Metropolitan University, Tokyo, Japan.
¹⁰ Department of Physics, Kyoto University, Kyoto, Japan.
¹¹ Faculty of Science, Department of Physics, Tohoku University, Miyagi, Japan.
¹² Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana, USA.
¹³ Joint Institute for Nuclear Research, Dubna, Moscow Region, Russia.
¹⁴ Department of Physics, University of Warwick, Coventry, United Kingdom.
¹⁵ Department of Physics, Oxford University, Oxford, United Kingdom.
¹⁶ Department of Physics, University of Liverpool, Liverpool, United Kingdom.
¹⁷ H. Niewodniczanski Institute of Nuclear Physics PAN, Cracow, Poland.
¹⁸ Dipartimento Interuniversitario di Fisica, INFN Sezione di Bari and Università e Politecnico di Bari, Bari, Italy.
¹⁹ CERN European Organization for Nuclear Research, CH-1211 Genéve 23, Switzerland.
²⁰ Section de Physique, University of Geneva, DPNC, Geneva, Switzerland.
²¹ Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Sorbonne Université, CNRS/IN2P3, Paris, France.
²² IRFU, CEA, Université Paris-Saclay, F-91191 Gif-sur-Yvette, France.
²³ Institute of Physics, University of Silesia, Katowice, Poland.
²⁴ Laboratoire Leprince-Ringuet, Ecole Polytechnique, IN2P3-CNRS, Palaiseau, France.
²⁵ Departamento de Física Atómica, Molecular y Nuclear, Universidad de Sevilla, 41080 Sevilla, Spain.
²⁶ Institute For Interdisciplinary Research in Science and Education (IFIRSE), ICISE, Quy Nhon, Vietnam.
²⁷ Institut de Fisica d'Altes Energies (IFAE) - The Barcelona Institute of Science and Technology, Campus UAB, Bellaterra (Barcelona) Spain.
²⁸ Lawrence Berkeley National Laboratory, Berkeley, California, USA.
²⁹ Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia.
³⁰ Dipartimento di Fisica, INFN Sezione di Padova and Università di Padova, Padova, Italy.
³¹ TRIUMF, Vancouver, British Columbia, Canada.
³² Department of Physics, University of Colorado at Boulder, Boulder, Colorado, USA.
³³ Department of Atomic Physics, Eötvös Loránd University, Budapest, Hungary.
³⁴ Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, Pennsylvania, USA.
³⁵ Dipartimento di Fisica, INFN Sezione di Napoli and Università di Napoli, Napoli, Italy.
³⁶ STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom.
³⁷ Faculty of Physics and Astronomy, Wroclaw University, Wroclaw, Poland.
³⁸ Department of Physics, King's College London, Strand, London WC2R 2LS, United Kingdom.
³⁹ Department of Physics and Astronomy, State University of New York at Stony Brook, Stony Brook, New York, USA.
⁴⁰ Institute of Radioelectronics and Multimedia Technology, Warsaw University of Technology, Warsaw, Poland.
⁴¹ Department of Physics and Astronomy, University of Rochester, Rochester, New York, USA.
⁴² Department of Physics, Miyagi University of Education, Sendai, Japan.
⁴³ Department of Physics and Astronomy, Ghent University, Proeftuinstraat 86, B-9000 Gent, Belgium.
⁴⁴ ILANCE, CNRS-University of Tokyo International Research Laboratory, Kashiwa, Chiba 277-8582, Japan.
⁴⁵ School of Physics and Astronomy, University of Glasgow, Glasgow, United Kingdom.
⁴⁶ Faculty of Physics, University of Warsaw, Warsaw, Poland.
⁴⁷ Institute for Cosmic Ray Research, Research Center for Cosmic Neutrinos, University of Tokyo, Kashiwa, Japan.
⁴⁸ Department of Physics and Astronomy, York University, Toronto, Ontario, Canada.
⁴⁹ Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan.
⁵⁰ International Centre of Physics, Institute of Physics (IOP), Vietnam Academy of Science and Technology (VAST), 10 Dao Tan, Ba Dinh, Hanoi, Vietnam.
⁵¹ Department of Physics, Osaka Metropolitan University, Osaka, Japan.
⁵² Faculty of Science and Technology, Department of Physics, Tokyo University of Science, Noda, Chiba, Japan.
⁵³ Department of Physics, Royal Holloway University of London, Egham, Surrey, United Kingdom.
⁵⁴ Department of Physics, Boston University, Boston, Massachusetts, USA.
⁵⁵ Institut für Physik, Johannes Gutenberg-Universität Mainz, Staudingerweg 7, 55128 Mainz, Germany.
⁵⁶ Department of Physics, Okayama University, Okayama, Japan.
⁵⁷ National Centre for Nuclear Research, Warsaw, Poland.
⁵⁸ Department of Physics, Yokohama National University, Yokohama, Japan.
⁵⁹ Department of Theoretical Physics, University Autonoma Madrid, 28049 Madrid, Spain.
⁶⁰ South Dakota School of Mines and Technology, 501 East Saint Joseph Street, Rapid City, South Dakota, USA.
⁶¹ INFN Sezione di Roma and Università di Roma "La Sapienza," Roma, Italy.
⁶² Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan, USA.
⁶³ Department of Physics, Institute of Science Tokyo, Tokyo, Japan.
⁶⁴ Department of Physics and Astronomy, University of California, Irvine, Irvine, California, USA.
⁶⁵ Department of Physics, University of Houston, Houston, Texas, USA.
⁶⁶ Department of Physics, University of Toyama, Toyama, Japan.
⁶⁷ VNU University of Science, Vietnam National University, Hanoi, Vietnam.
⁶⁸ Department of Physics, Keio University, Kanagawa, Japan.
⁶⁹ Department of Physics and Astronomy, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.
⁷⁰ Physikalisches Institut, RWTH Aachen University, III. Aachen, Germany.
⁷¹ Department of Physics, Duke University, Durham, North Carolina, USA.
⁷² School of Physics and Astronomy, University of Minnesota, Minneapolis, Minnesota, USA.
⁷³ SLAC National Accelerator Laboratory, Stanford University, Menlo Park, California, USA.
⁷⁴ Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, Canada.

PMID: 41202230
DOI: 10.1103/6d32-l452

First Differential Measurement of the Single π^{+} Production Cross Section in Neutrino Neutral-Current Scattering

K Abe et al. Phys Rev Lett. 2025.

. 2025 Oct 24;135(17):171803.

doi: 10.1103/6d32-l452.

Authors

Affiliations

¹ Institute for Cosmic Ray Research, Kamioka Observatory, University of Tokyo, Kamioka, Japan.
² High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan.
³ Physics Department, Lancaster University, Lancaster, United Kingdom.
⁴ School of Mathematical and Physical Sciences, University of Sheffield, Sheffield, United Kingdom.
⁵ ETH Zurich, Institute for Particle Physics and Astrophysics, Zurich, Switzerland.
⁶ Department of Physics, Imperial College London, London, United Kingdom.
⁷ Kobe University, Kobe, Japan.
⁸ Department of Physics, University of Tokyo, Tokyo, Japan.
⁹ Department of Physics, Tokyo Metropolitan University, Tokyo, Japan.
¹⁰ Department of Physics, Kyoto University, Kyoto, Japan.
¹¹ Faculty of Science, Department of Physics, Tohoku University, Miyagi, Japan.
¹² Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana, USA.
¹³ Joint Institute for Nuclear Research, Dubna, Moscow Region, Russia.
¹⁴ Department of Physics, University of Warwick, Coventry, United Kingdom.
¹⁵ Department of Physics, Oxford University, Oxford, United Kingdom.
¹⁶ Department of Physics, University of Liverpool, Liverpool, United Kingdom.
¹⁷ H. Niewodniczanski Institute of Nuclear Physics PAN, Cracow, Poland.
¹⁸ Dipartimento Interuniversitario di Fisica, INFN Sezione di Bari and Università e Politecnico di Bari, Bari, Italy.
¹⁹ CERN European Organization for Nuclear Research, CH-1211 Genéve 23, Switzerland.
²⁰ Section de Physique, University of Geneva, DPNC, Geneva, Switzerland.
²¹ Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Sorbonne Université, CNRS/IN2P3, Paris, France.
²² IRFU, CEA, Université Paris-Saclay, F-91191 Gif-sur-Yvette, France.
²³ Institute of Physics, University of Silesia, Katowice, Poland.
²⁴ Laboratoire Leprince-Ringuet, Ecole Polytechnique, IN2P3-CNRS, Palaiseau, France.
²⁵ Departamento de Física Atómica, Molecular y Nuclear, Universidad de Sevilla, 41080 Sevilla, Spain.
²⁶ Institute For Interdisciplinary Research in Science and Education (IFIRSE), ICISE, Quy Nhon, Vietnam.
²⁷ Institut de Fisica d'Altes Energies (IFAE) - The Barcelona Institute of Science and Technology, Campus UAB, Bellaterra (Barcelona) Spain.
²⁸ Lawrence Berkeley National Laboratory, Berkeley, California, USA.
²⁹ Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia.
³⁰ Dipartimento di Fisica, INFN Sezione di Padova and Università di Padova, Padova, Italy.
³¹ TRIUMF, Vancouver, British Columbia, Canada.
³² Department of Physics, University of Colorado at Boulder, Boulder, Colorado, USA.
³³ Department of Atomic Physics, Eötvös Loránd University, Budapest, Hungary.
³⁴ Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, Pennsylvania, USA.
³⁵ Dipartimento di Fisica, INFN Sezione di Napoli and Università di Napoli, Napoli, Italy.
³⁶ STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom.
³⁷ Faculty of Physics and Astronomy, Wroclaw University, Wroclaw, Poland.
³⁸ Department of Physics, King's College London, Strand, London WC2R 2LS, United Kingdom.
³⁹ Department of Physics and Astronomy, State University of New York at Stony Brook, Stony Brook, New York, USA.
⁴⁰ Institute of Radioelectronics and Multimedia Technology, Warsaw University of Technology, Warsaw, Poland.
⁴¹ Department of Physics and Astronomy, University of Rochester, Rochester, New York, USA.
⁴² Department of Physics, Miyagi University of Education, Sendai, Japan.
⁴³ Department of Physics and Astronomy, Ghent University, Proeftuinstraat 86, B-9000 Gent, Belgium.
⁴⁴ ILANCE, CNRS-University of Tokyo International Research Laboratory, Kashiwa, Chiba 277-8582, Japan.
⁴⁵ School of Physics and Astronomy, University of Glasgow, Glasgow, United Kingdom.
⁴⁶ Faculty of Physics, University of Warsaw, Warsaw, Poland.
⁴⁷ Institute for Cosmic Ray Research, Research Center for Cosmic Neutrinos, University of Tokyo, Kashiwa, Japan.
⁴⁸ Department of Physics and Astronomy, York University, Toronto, Ontario, Canada.
⁴⁹ Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan.
⁵⁰ International Centre of Physics, Institute of Physics (IOP), Vietnam Academy of Science and Technology (VAST), 10 Dao Tan, Ba Dinh, Hanoi, Vietnam.
⁵¹ Department of Physics, Osaka Metropolitan University, Osaka, Japan.
⁵² Faculty of Science and Technology, Department of Physics, Tokyo University of Science, Noda, Chiba, Japan.
⁵³ Department of Physics, Royal Holloway University of London, Egham, Surrey, United Kingdom.
⁵⁴ Department of Physics, Boston University, Boston, Massachusetts, USA.
⁵⁵ Institut für Physik, Johannes Gutenberg-Universität Mainz, Staudingerweg 7, 55128 Mainz, Germany.
⁵⁶ Department of Physics, Okayama University, Okayama, Japan.
⁵⁷ National Centre for Nuclear Research, Warsaw, Poland.
⁵⁸ Department of Physics, Yokohama National University, Yokohama, Japan.
⁵⁹ Department of Theoretical Physics, University Autonoma Madrid, 28049 Madrid, Spain.
⁶⁰ South Dakota School of Mines and Technology, 501 East Saint Joseph Street, Rapid City, South Dakota, USA.
⁶¹ INFN Sezione di Roma and Università di Roma "La Sapienza," Roma, Italy.
⁶² Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan, USA.
⁶³ Department of Physics, Institute of Science Tokyo, Tokyo, Japan.
⁶⁴ Department of Physics and Astronomy, University of California, Irvine, Irvine, California, USA.
⁶⁵ Department of Physics, University of Houston, Houston, Texas, USA.
⁶⁶ Department of Physics, University of Toyama, Toyama, Japan.
⁶⁷ VNU University of Science, Vietnam National University, Hanoi, Vietnam.
⁶⁸ Department of Physics, Keio University, Kanagawa, Japan.
⁶⁹ Department of Physics and Astronomy, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.
⁷⁰ Physikalisches Institut, RWTH Aachen University, III. Aachen, Germany.
⁷¹ Department of Physics, Duke University, Durham, North Carolina, USA.
⁷² School of Physics and Astronomy, University of Minnesota, Minneapolis, Minnesota, USA.
⁷³ SLAC National Accelerator Laboratory, Stanford University, Menlo Park, California, USA.
⁷⁴ Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, Canada.

PMID: 41202230
DOI: 10.1103/6d32-l452

Abstract

Since its first observation in the 1970s, neutrino-induced neutral-current single positive pion production (NC1π^{+}) has remained an elusive and poorly understood interaction channel. This process is a significant background in neutrino oscillation experiments and studying it further is critical for the physics program of next-generation accelerator-based neutrino oscillation experiments. In this Letter, we present the first double-differential cross-section measurement of NC1π^{+} interactions using data from the ND280 detector of the T2K experiment collected in ν-beam mode. The measured flux-averaged integrated cross section is σ=(6.07±1.22)×10^{-41} cm^{2}/nucleon. We compare the results on a hydrocarbon target to the predictions of several neutrino interaction generators and final-state-interaction models. While model predictions agree with the differential results, the data show a weak preference for a cross-section normalization approximately 30% higher than predicted by most models studied in this Letter.

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First Differential Measurement of the Single π^{+} Production Cross Section in Neutrino Neutral-Current Scattering

Affiliations

First Differential Measurement of the Single π^{+} Production Cross Section in Neutrino Neutral-Current Scattering

Authors

Affiliations

Abstract

LinkOut - more resources

Full Text Sources

Research Materials

Miscellaneous