Updated constraints on sterile neutrino mixing in the OPERA experiment using a new ν<i>e</i> identification method-Reference-Cited by-同舟云学术

Updated constraints on sterile neutrino mixing in the OPERA experiment using a new νe identification method

Published:2023-01-24 Issue:3 Volume:2023 Page:
ISSN:2050-3911
Container-title:Progress of Theoretical and Experimental Physics
language:en
Short-container-title:

Author:

,Agafonova N¹,Alexandrov A²,Anokhina A³,Aoki S⁴,Ariga A⁵,Ariga T⁵⁶,Bertolin A⁷,Bozza C⁸,Brugnera R⁷⁹,Buontempo S²,Chernyavskiy M¹⁰,Chukanov A¹¹,Consiglio L²,D’Ambrosio N¹²,De Lellis G²¹³¹⁴,De Serio M¹⁵¹⁶,del Amo Sanchez P¹⁷,Di Crescenzo A²¹³,Di Ferdinando D¹⁸,Di Marco N¹²,Dmitrievsky S¹¹,Dracos M¹⁹,Duchesneau D¹⁷,Dusini S⁷,Dzhatdoev T³,Ebert J²⁰,Ereditato A⁵,Fini R A¹⁶,Fukuda T²¹,Galati G²¹³,Garfagnini A⁷⁹,Gentile V²²,Goldberg J²³,Gorbunov S¹⁰,Gornushkin Y¹¹,Grella G⁸,Guler A M²⁴,Gustavino C²⁵,Hagner C²⁰,Hara T⁴,Hayakawa T²¹,Hollnagel A²⁰,Ishiguro K²¹,Iuliano A²¹³,Jakovčć K²⁶,Jollet C¹⁹,Kamiscioglu C²⁴²⁷,Kamiscioglu M²⁴,Kim S H²⁸,Kitagawa N²¹,Kliček B²⁹,Kodama K³⁰,Komatsu M²¹,Kose U⁷,Kreslo I⁵,Laudisio F⁷⁹,Lauria A²¹³,Longhin A⁷⁹,Loverre P²⁵,Malgin A¹,Mandrioli G¹⁸,Matsuo T³¹,Matveev V¹,Mauri N¹⁸³²,Medinaceli E⁷,Meregaglia A¹⁹,Mikado S³³,Miyanishi M²¹,Mizutani F⁴,Monacelli P²⁵,Montesi M C²¹³,Morishima K²¹,Muciaccia M T¹⁵¹⁶,Naganawa N²¹,Naka T³¹,Nakamura M²¹,Nakano T²¹,Niwa K²¹,Ogawa S³¹,Okateva N¹⁰,Ozaki K⁴,Paoloni A³⁴,Paparella L¹⁵¹⁶,Park B D²⁸,Pasqualini L¹⁸³²,Pastore A¹⁶,Patrizii L¹⁸,Pessard H¹⁷,Podgrudkov D³,Polukhina N¹⁰³⁵,Pozzato M¹⁸,Pupilli F⁷,Roda M⁷⁹,Roganova T³,Rokujo H²¹,Rosa G²⁵,Ryazhskaya O¹,Sato O²¹,Schembri A¹²,Shakiryanova I¹,Shchedrina T¹⁰,Shibayama E⁴,Shibuya H³¹,Shiraishi T²¹,Simone S¹⁵¹⁶,Sirignano C⁷⁹,Sirri G¹⁸,Sotnikov A¹¹,Spinetti M³⁴,Stanco L⁷,Starkov N¹⁰,Stellacci S M⁸,Stipčevic M²⁹,Strolin P²¹³,Takahashi S⁴,Tenti M¹⁸,Terranova F³⁶,Tioukov V²,Tufanli S⁵,Vasina S¹¹,Vilain P³⁷,Voevodina E²,Votano L³⁴,Vuilleumier J L⁵,Wilquet G³⁷,Yoon C S²⁸

Affiliation:

1. INR – Institute for Nuclear Research of the Russian Academy of Sciences , RUS-117312 Moscow , Russia

2. INFN Sezione di Napoli , I-80126 Napoli , Italy

3. SINP MSU – Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University , RUS-119991 Moscow , Russia

4. Kobe University , J-657-8501 Kobe , Japan

5. Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), University of Bern , CH-3012 Bern , Switzerland

6. Faculty of Arts and Science, Kyushu University , J-819-0395 Fukuoka , Japan

7. INFN Sezione di Padova , I-35131 Padova , Italy

8. Dipartimento di Fisica dell’Università di Salerno and “Gruppo Collegato” INFN , I-84084 Fisciano (Salerno) , Italy

9. Dipartimento di Fisica e Astronomia dell’Università di Padova , I-35131 Padova , Italy

10. LPI – Lebedev Physical Institute of the Russian Academy of Sciences , RUS-119991 Moscow , Russia

11. JINR – Joint Institute for Nuclear Research , RUS-141980 Dubna , Russia

12. INFN – Laboratori Nazionali del Gran Sasso , I-67010 Assergi (L’Aquila) , Italy

13. Dipartimento di Fisica dell’Università Federico II di Napoli , I-80126 Napoli , Italy

14. CERN, European Organization for Nuclear Research , CH-1211, Geneva , Switzerland

15. Dipartimento di Fisica dell’Università di Bari , I-70126 Bari , Italy

16. INFN Sezione di Bari , I-70126 Bari , Italy

17. LAPP, Université Savoie Mont Blanc , CNRS/IN2P3, F-74941 Annecy-le-Vieux , France

18. INFN Sezione di Bologna , I-40127 Bologna , Italy

19. IPHC, Université de Strasbourg , CNRS/IN2P3, F-67037 Strasbourg , France

20. Hamburg University , D-22761 Hamburg , Germany

21. Nagoya University , J-464-8602 Nagoya , Japan

22. GSSI – Gran Sasso Science Institute , I-40127 L’Aquila , Italy

23. Department of Physics , Technion, IL-32000 Haifa , Israel

24. METU – Middle East Technical University , TR-06800 Ankara , Turkey

25. INFN Sezione di Roma , I-00185 Roma , Italy

26. Rudj er Bošković Institute , HR-10000 Zagreb , Croatia

27. Ankara University , TR-06560 Ankara , Turkey

28. Gyeongsang National University , 501 Jinju-daero, Jinju , Korea

29. Center of Excellence for Advanced Materials and Sensing Devices, Ruder Boškovć Institute , HR-10000 Zagreb , Croatia

30. Aichi University of Education , J-448-8542 Kariya (Aichi-Ken) , Japan

31. Toho University , J-274-8510 Funabashi , Japan

32. Dipartimento di Fisica e Astronomia dell’Università di Bologna , I-40127 Bologna , Italy

33. Nihon University , J-275-8576 Narashino, Chiba , Japan

34. INFN – Laboratori Nazionali di Frascati dell’INFN , I-00044 Frascati (Roma) , Italy

35. MEPhI – Moscow Engineering Physics Institute , RUS-115409 Moscow , Russia

36. Dipartimento di Fisica dell’Università di Milano-Bicocca , I-20126 Milano , Italy

37. IIHE, Université Libre de Bruxelles , B-1050 Brussels , Belgium

Abstract

Abstract This paper describes a new νe identification method specifically designed to improve the low-energy ($\lt {30}\, {\rm GeV}$) νe identification efficiency attained by enlarging the emulsion film scanning volume with the next-generation emulsion readout system. A relative increase of 25–70% in the νe low-energy region is expected, leading to improvements in the OPERA sensitivity to neutrino oscillations in the framework of the 3 + 1 model. The method is applied to a subset of data where the detection efficiency increase is expected to be more relevant, and one additional νe candidate is found. The analysis combined with the ντ appearance results improves the upper limit on sin 22θμe to 0.016 at 90% C.L. in the MiniBooNE allowed region $\Delta m^2_{41} \sim {0.3}\, {\rm eV}^{2}$.

Funder

SCOAP

Publisher

Oxford University Press (OUP)

Subject

General Physics and Astronomy

Link

https://academic.oup.com/ptep/advance-article-pdf/doi/10.1093/ptep/ptad012/48849977/ptad012.pdf

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