Skip to main content
Home
Department Of Physics text logo
  • Research
    • Our research
    • Our research groups
    • Our research in action
    • Research funding support
    • Summer internships for undergraduates
  • Study
    • Undergraduates
    • Postgraduates
  • Engage
    • For alumni
    • For business
    • For schools
    • For the public
Menu
SciBar fibres

Wavelength shifting fibres from the SciBar detector used in the SciBooNE experiment at Fermilab.

Credit: Reidar Hahn, Fermilab.

Prof Morgan Wascko

Rokos-Clarendon Professor of Neutrino Physics

Research theme

  • Instrumentation
  • Fundamental particles and interactions

Sub department

  • Particle Physics

Research groups

  • Accelerator Neutrinos
morgan.wascko@physics.ox.ac.uk
My webpage at Pembroke College
My webpage at STFC RAL PPD
  • About
  • CV
  • Publications

Results from the T2K experiment on neutrino mixing including a new far detector $μ$-like sample

(2025)

Authors:

The T2K Collaboration, K Abe, S Abe, R Akutsu, H Alarakia-Charles, YI Alj Hakim, S Alonso Monsalve, L Anthony, S Aoki, KA Apte, T Arai, T Arihara, S Arimoto, Y Ashida, ET Atkin, N Babu, V Baranov, GJ Barker, G Barr, D Barrow, P Bates, L Bathe-Peters, M Batkiewicz-Kwasniak, N Baudis, V Berardi, L Berns, S Bhattacharjee, A Blanchet, A Blondel, PMM Boistier, S Bolognesi, S Bordoni, SB Boyd, C Bronner, A Bubak, M Buizza Avanzini, JA Caballero, F Cadoux, NF Calabria, S Cao, S Cap, D Carabadjac, SL Cartwright, MP Casado, MG Catanesi, J Chakrani, A Chalumeau, D Cherdack, A Chvirova, J Coleman, G Collazuol, F Cormier, AAL Craplet, A Cudd, D D'Ago, C Dalmazzone, T Daret, P Dasgupta, C Davis, Yu I Davydov, P de Perio, G De Rosa, T Dealtry, C Densham, A Dergacheva, R Dharmapal Banerjee, F Di Lodovico, G Diaz Lopez, S Dolan, D Douqa, TA Doyle, O Drapier, KE Duffy, J Dumarchez, P Dunne, K Dygnarowicz, A Eguchi, J Elias, S Emery-Schrenk, G Erofeev, A Ershova, G Eurin, D Fedorova, S Fedotov, M Feltre, L Feng, D Ferlewicz, AJ Finch, MD Fitton, C Forza, M Friend, Y Fujii, Y Fukuda, Y Furui, J García-Marcos, AC Germer, L Giannessi, C Giganti, M Girgus, V Glagolev, M Gonin, R Gonzalez Jimenez, J Gonzà lez Rosa, EAG Goodman, K Gorshanov, P Govindaraj, M Grassi, M Guigue, FY Guo, DR Hadley, S Han, DA Harris, RJ Harris, T Hasegawa, CM Hasnip, S Hassani, NC Hastings, Y Hayato, I Heitkamp, D Henaff, Y Hino, J Holeczek, A Holin, T Holvey, NT Hong Van, T Honjo, MCF Hooft, K Hosokawa, J Hu, AK Ichikawa, K Ieki, M Ikeda, TH Ishida, T Ishida, M Ishitsuka, H Ito, S Ito, A Izmaylov, N Jachowicz, SJ Jenkins, C Jesús-Valls, M Jia, JJ Jiang, JY Ji, TP Jones, P Jonsson, S Joshi, CK Jung, M Kabirnezhad, AC Kaboth, H Kakuno, J Kameda, S Karpova, VS Kasturi, Y Kataoka, T Katori, A Kawabata, Y Kawamura, M Kawaue, E Kearns, M Khabibullin, A Khotjantsev, T Kikawa, S King, V Kiseeva, J Kisiel, A Klustová, L Kneale, H Kobayashi, Sota R Kobayashi, L Koch, S Kodama, M Kolupanova, A Konaka, LL Kormos, Y Koshio, K Kowalik, Y Kudenko, Y Kudo, A Kumar Jha, R Kurjata, V Kurochka, T Kutter, L Labarga, M Lachat, K Lachner, J Lagoda, SM Lakshmi, M Lamers James, A Langella, DH Langridge, J-F Laporte, D Last, N Latham, M Laveder, L Lavitola, M Lawe, D Leon Silverio, S Levorato, SV Lewis, B Li, C Lin, RP Litchfield, SL Liu, W Li, A Longhin, A Lopez Moreno, L Ludovici, X Lu, T Lux, LN Machado, L Magaletti, K Mahn, KK Mahtani, M Mandal, S Manly, AD Marino, DGR Martin, DA Martinez Caicedo, L Martinez, M Martini, T Matsubara, R Matsumoto, V Matveev, C Mauger, K Mavrokoridis, N McCauley, KS McFarland, C McGrew, J McKean, A Mefodiev, GD Megias, L Mellet, C Metelko, M Mezzetto, S Miki, V Mikola, EW Miller, A Minamino, O Mineev, S Mine, J Mirabito, M Miura, S Moriyama, S Moriyama, P Morrison, Th A Mueller, D Munford, A Muñoz, L Munteanu, Y Nagai, T Nakadaira, K Nakagiri, M Nakahata, Y Nakajima, KD Nakamura, A Nakano, Y Nakano, S Nakayama, T Nakaya, K Nakayoshi, CER Naseby, DT Nguyen, VQ Nguyen, K Niewczas, S Nishimori, Y Nishimura, Y Noguchi, T Nosek, F Nova, JC Nugent, HM O'Keeffe, L O'Sullivan, R Okazaki, W Okinaga, K Okumura, T Okusawa, N Onda, N Ospina, L Osu, N Otani, Y Oyama, V Paolone, J Pasternak, D Payne, TPD Peacock, M Pfaff, L Pickering, B Popov, AJ Portocarrero Yrey, M Posiadala-Zezula, YS Prabhu, H Prasad, F Pupilli, B Quilain, PT Quyen, E Radicioni, B Radics, MA Ramirez Delgado, R Ramsden, PN Ratoff, M Reh, G Reina, C Riccio, DW Riley, E Rondio, S Roth, N Roy, A Rubbia, L Russo, A Rychter, W Saenz, K Sakashita, S Samani, F Sánchez, EM Sandford, Y Sato, T Schefke, CM Schloesser, K Scholberg, M Scott, Y Seiya, T Sekiguchi, H Sekiya, T Sekiya, D Seppala, D Sgalaberna, A Shaikhiev, M Shiozawa, Y Shiraishi, A Shvartsman, N Skrobova, K Skwarczynski, D Smyczek, M Smy, JT Sobczyk, H Sobel, FJP Soler, AJ Speers, R Spina, A Srivastava, P Stowell, Y Stroke, IA Suslov, A Suzuki, SY Suzuki, M Tada, S Tairafune, A Takeda, Y Takeuchi, K Takeya, HK Tanaka, H Tanigawa, A Teklu, VV Tereshchenko, N Thamm, C Touramanis, N Tran, T Tsukamoto, M Tzanov, Y Uchida, M Vagins, M Varghese, I Vasilyev, G Vasseur, E Villa, U Virginet, T Vladisavljevic, T Wachala, S-I Wada, D Wakabayashi, HT Wallace, JG Walsh, L Wan, D Wark, MO Wascko, A Weber, R Wendell, MJ Wilking, C Wilkinson, JR Wilson, K Wood, C Wret, J Xia, K Yamamoto, T Yamamoto, C Yanagisawa, Y Yang, T Yano, K Yasutome, N Yershov, U Yevarouskaya, M Yokoyama, Y Yoshimoto, N Yoshimura, R Zaki, A Zalewska, J Zalipska, G Zarnecki, J Zhang, XY Zhao, H Zheng, H Zhong, T Zhu, M Ziembicki, ED Zimmerman, M Zito, S Zsoldos
More details from the publisher

Testing T2K’s Bayesian constraints with priors in alternate parameterisations

European Physical Journal C 85:12 (2025) 1414

Authors:

A Abe, S Abe, R Akutsu, H Alarakia-Charles, YI Alj Hakim, S Alonso Monsalve, L Anthony, S Aoki, KA Apte, T Arai, T Arihara, S Arimoto, Y Ashida, ET Atkin, N Babu, V Baranov, GJ Barker, G Barr, D Barrow, P Bates, L Bathe-Peters, M Batkiewicz-Kwasniak, N Baudis, V Berardi, L Berns, S Bhattacharjee, A Blanchet, A Blondel, PMM Boistier, S Bolognesi, S Bordoni, SB Boyd, C Bronner, A Bubak, M Buizza Avanzini, JA Caballero, F Cadoux, NF Calabria, S Cao, S Cap, D Carabadjac, SL Cartwright, MP Casado, MG Catanesi, J Chakrani, A Chalumeau, D Cherdack, PS Chong, A Chvirova, J Coleman, G Collazuol, F Cormier, AAL Craplet, A Cudd, D D’ago, C Dalmazzone, T Daret, P Dasgupta, C Davis, Yu I Davydov, P de Perio, G De Rosa, T Dealtry, C Densham, A Dergacheva, R Dharmapal Banerjee, F Di Lodovico, G Diaz Lopez, S Dolan, D Douqa, TA Doyle, O Drapier, KE Duffy, J Dumarchez, P Dunne, K Dygnarowicz, A Eguchi, J Elias, S Emery-Schrenk, G Erofeev, A Ershova, G Eurin, D Fedorova, S Fedotov, M Feltre, L Feng, D Ferlewicz, AJ Finch, MD Fitton, C Forza, M Friend, Y Fujii, Y Fukuda, Y Furui, J García-Marcos, AC Germer, L Giannessi, C Giganti, M Girgus, V Glagolev, M Gonin, R González Jiménez, J González Rosa, EAG Goodman, K Gorshanov, P Govindaraj, M Grassi, M Guigue, FY Guo, DR Hadley, S Han, DA Harris, RJ Harris, T Hasegawa, CM Hasnip, S Hassani, NC Hastings, Y Hayato, I Heitkamp, D Henaff, Y Hino, J Holeczek, A Holin, T Holvey, NT Hong Van, T Honjo, MCF Hooft, K Hosokawa, J Hu, AK Ichikawa, K Ieki, M Ikeda, T Ishida, M Ishitsuka, H Ito, S Ito, A Izmaylov, N Jachowicz, SJ Jenkins, C Jesús-Valls, M Jia, JJ Jiang, JY Ji, TP Jones, P Jonsson, S Joshi, M Kabirnezhad, AC Kaboth, H Kakuno, J Kameda, S Karpova, VS Kasturi, Y Kataoka, T Katori, A Kawabata, Y Kawamura, M Kawaue, E Kearns, M Khabibullin, A Khotjantsev, T Kikawa, S King, V Kiseeva, J Kisiel, A Klustová, L Kneale, H Kobayashi, L Koch, S Kodama, M Kolupanova, A Konaka, LL Kormos, Y Koshio, K Kowalik, Y Kudenko, Y Kudo, A Kumar Jha, R Kurjata, V Kurochka, T Kutter, L Labarga, M Lachat, K Lachner, J Lagoda, SM Lakshmi, M Lamers James, A Langella, DH Langridge, J-F Laporte, D Last, N Latham, M Laveder, L Lavitola, M Law, D Leon Silverio, S Levorato, SV Lewis, B Li, C Lin, RP Litchfield, SL Liu, W Li, A Longhin, A Lopez Moreno, L Ludovici, X Lu, T Lux, LN Machado, L Magaletti, K Mahn, KK Mahtani, M Mandal, S Manly, AD Marino, DGR Martin, DA Martinez Caicedo, L Martinez, M Martini, T Matsubara, R Matsumoto, V Matveev, C Mauger, K Mavrokoridis, N McCauley, KS McFarland, C McGrew, J McKean, A Mefodiev, GD Megias, L Mellet, C Metelko, M Mezzetto, S Miki, V Mikola, EW Miller, A Minamino, O Mineev, S Mine, J Mirabito, M Miura, S Moriyama, S Moriyama, P Morrison, Th A Mueller, D Munford, A Muñoz, L Munteanu, Y Nagai, T Nakadaira, K Nakagiri, M Nakahata, Y Nakajima, KD Nakamura, A Nakano, Y Nakano, S Nakayama, T Nakaya, K Nakayoshi, CER Naseby, DT Nguyen, VQ Nguyen, K Niewczas, S Nishimori, Y Nishimura, Y Noguchi, T Nosek, F Nova, P Novella, JC Nugent, HM O’Keeffe, L O’Sullivan, R Okazaki, W Okinaga, K Okumura, T Okusawa, N Onda, N Ospina, L Osu, N Otani, Y Oyama, V Paolone, J Pasternak, D Payne, M Pfaff, L Pickering, B Popov, AJ Portocarrero Yrey, M Posiadala-Zezula, YS Prabhu, H Prasad, F Pupilli, B Quilain, PT Quyen, E Radicioni, B Radics, MA Ramirez, R Ramsden, PN Ratoff, M Reh, G Reina, C Riccio, DW Riley, E Rondio, S Roth, N Roy, A Rubbia, L Russo, A Rychter, W Saenz, K Sakashita, S Samani, F Sánchez, EM Sandford, Y Sato, T Schefke, CM Schloesser, K Scholberg, M Scott, Y Seiya, T Sekiguchi, H Sekiya, T Sekiya, D Seppala, D Sgalaberna, A Shaikhiev, M Shiozawa, Y Shiraishi, A Shvartsman, N Skrobova, K Skwarczynski, D Smyczek, M Smy, JT Sobczyk, H Sobel, FJP Soler, AJ Speers, R Spina, A Srivastava, P Stowell, Y Stroke, IA Suslov, A Suzuki, SY Suzuki, M Tada, S Tairafune, A Takeda, M Takeuchi, K Takeya, HK Tanaka, H Tanigawa, VV Tereshchenko, N Thamm, C Touramanis, N Tran, T Tsukamoto, M Tzanov, Y Uchida, M Vagins, M Varghese, I Vasilyev, G Vasseur, E Villa, U Virginet, T Vladisavljevic, T Wachala, S-I Wada, D Wakabayashi, HT Wallace, JG Walsh, L Wan, D Wark, MO Wascko, A Weber, R Wendell, MJ Wilking, C Wilkinson, JR Wilson, K Wood, C Wret, J Xia, K Yamamoto, T Yamamoto, C Yanagisawa, Y Yang, T Yano, N Yershov, U Yevarouskaya, M Yokoyama, Y Yoshimoto, Y Yoshimura, R Zaki, A Zalewska, J Zalipska, G Zarnecki, J Zhang, XY Zhao, H Zheng, H Zhong, T Zhu, M Ziembicki, ED Zimmerman, M Zito, S Zsoldos

Abstract:

Bayesian analysis results require a choice of prior distribution. In long-baseline neutrino oscillation physics, the usual parameterisation of the mixing matrix induces a prior that privileges certain neutrino mass and flavour state symmetries. Here we study the effect of privileging alternate symmetries on the results of the T2K experiment. We find that constraints on the level of CP violation (as given by the Jarlskog invariant) are robust under the choices of prior considered in the analysis. On the other hand, the degree of octant preference for the atmospheric angle depends on which symmetry has been privileged.
More details from the publisher

Joint neutrino oscillation analysis from the T2K and NOvA experiments

(2025)

Authors:

NOvA, T2K Collaborations, :, K Abe, S Abe, S Abubakar, MA Acero, B Acharya, P Adamson, H Adhkary, R Akutsu, H Alarakia-Charles, YI Alj Hakim, S Alonso Monsalve, N Anfimov, L Anthony, A Antoshkin, S Aoki, KA Apte, T Arai, T Arihara, S Arimoto, E Arrieta-Diaz, Y Ashida, L Asquith, ET Atkin, A Aurisano, D Azevedo, N Babu, A Back, N Balashov, P Baldi, BA Bambah, EF Bannister, V Baranov, GJ Barker, G Barr, A Barros, D Barrow, A Bat, P Bates, L Bathe-Peters, M Batkiewicz-Kwasniak, N Baudis, K Bays, V Berardi, L Berns, R Bernstein, TJC Bezerra, V Bhatnagar, S Bhattacharjee, B Bhuyan, J Bian, A Blanchet, A Blondel, PMM Boistier, S Bolognesi, AC Booth, S Bordoni, R Bowles, SB Boyd, B Brahma, C Bromberg, C Bronner, A Bubak, N Buchanan, M Buizza Avanzini, A Butkevich, JA Caballero, F Cadoux, NF Calabria, S Calvez, S Cao, S Cap, D Carabadjac, JM Carceller, TJ Carroll, SL Cartwright, MP Casado, MG Catanesi, E Catano-Mur, JP Cesar, J Chakrani, A Chalumeau, D Cherdack, R Chirco, BC Choudhary, A Christensen, A Chvirova, MF Cicala, TE Coan, J Coleman, G Collazuol, T Contreras, A Cooleybeck, F Cormier, D Coveyou, AAL Craplet, L Cremonesi, A Cudd, D D'ago, C Dalmazzone, T Daret, P Dasgupta, GS Davies, C Davis, Yu I Davydov, P de Perio, G De Rosa, T Dealtry, C Densham, A Dergacheva, PF Derwent, R Dharmapal Banerjee, F Di Lodovico, G Diaz Lopez, P Ding, Z Djurcic, K Dobbs, S Dolan, M Dolce, D Douqa, TA Doyle, O Drapier, D Dueà as Tonguino, KE Duffy, EC Dukes, J Dumarchez, P Dunne, A Dye, K Dygnarowicz, A Eguchi, R Ehrlich, J Elias, S Emery-Schrenk, G Erofeev, A Ershova, G Eurin, E Ewart, D Fedorova, S Fedotov, M Feltre, L Feng, D Ferlewicz, P Filip, AJ Finch, MD Fitton, C Forza, MJ Frank, M Friend, Y Fujii, Y Fukuda, Y Furui, HR Gallagher, J García-Marcos, AC Germer, L Giannessi, C Giganti, M Girgus, A Giri, V Glagolev, RA Gomes, M Gonin, R Gonzà lez Jiménez, J Gonzà lez Rosa, EAG Goodman, MC Goodman, K Gorshanov, P Govindaraj, M Grassi, R Group, M Guigue, FY Guo, A Habig, DR Hadley, F Hakl, S Han, DA Harris, RJ Harris, J Hartnell, T Hasegawa, CM Hasnip, S Hassani, NC Hastings, R Hatcher, Y Hayato, JM Hays, M He, I Heitkamp, K Heller, D Henaff, V Hewes, A Himmel, Y Hino, J Holeczek, A Holin, T Holvey, NT Hong Van, T Honjo, MCF Hooft, T Horoho, K Hosokawa, J Hu, AK Ichikawa, K Ieki, M Ikeda, T Ishida, M Ishitsuka, A Ivanova, A Izmaylov, N Jachowicz, B Jargowsky, SJ Jenkins, C Jesús-Valls, JY Ji, M Jia, JJ Jiang, TP Jones, P Jonsson, S Joshi, CK Jung, M Kabirnezhad, AC Kaboth, I Kakorin, H Kakuno, A Kalitkina, J Kameda, DM Kaplan, S Karpova, VS Kasturi, Y Kataoka, T Katori, Y Kawamura, M Kawaue, E Kearns, M Khabibullin, A Khanam, A Khotjantsev, T Kikawa, S King, B Kirezli, V Kiseeva, J Kisiel, J Kleykamp, O Klimov, A Klustová, L Kneale, H Kobayashi, L Koch, S Kodama, LW Koerner, L Kolupaeva, M Kolupanova, A Konaka, LL Kormos, Y Koshio, K Kowalik, R Kralik, Y Kudenko, Y Kudo, A Kumar, A Kumar Jha, R Kurjata, V Kurochka, CD Kuruppu, V Kus, T Kutter, L Labarga, M Lachat, K Lachner, T Lackey, J Lagoda, SM Lakshmi, M Lamers James, K Lang, A Langella, DH Langridge, J-F Laporte, P Lasorak, D Last, N Latham, M Laveder, L Lavitola, M Lawe, D Leon Silverio, J Lesmeister, S Levorato, SV Lewis, B Li, W Li, C Lin, A Lister, RP Litchfield, J Liu, SL Liu, JA Lock, A Longhin, A Lopez Moreno, X Lu, L Ludovici, T Lux, LN Machado, M MacMahon, L Magaletti, S Magill, K Mahn, KK Mahtani, M Mandal, S Manly, WA Mann, MT Manoharan, M Manrique Plata, AD Marino, ML Marshak, DGR Martin, L Martinez, DA Martinez Caicedo, M Martinez-Casales, M Martini, T Matsubara, R Matsumoto, V Matveev, C Mauger, K Mavrokoridis, N McCauley, KS McFarland, C McGrew, J McKean, A Mefodiev, GD Megias, B Mehta, L Mellet, MD Messier, C Metelko, H Meyer, M Mezzetto, T Miao, S Miki, V Mikola, EW Miller, WH Miller, A Minamino, S Mine, O Mineev, J Mirabito, SR Mishra, M Miura, R Mohanta, A Moren, S Moriyama, S Moriyama, A Morozova, P Morrison, W Mu, L Mualem, Th A Mueller, M Muether, K Mulder, D Munford, A Muñoz, L Munteanu, D Myers, Y Nagai, T Nakadaira, K Nakagiri, M Nakahata, Y Nakajima, KD Nakamura, Y Nakano, T Nakaya, S Nakayama, K Nakayoshi, D Naples, CER Naseby, S Nelleri, JK Nelson, DT Nguyen, VQ Nguyen, R Nichol, K Niewczas, E Niner, S Nishimori, Y Nishimura, Y Noguchi, A Norman, A Norrick, T Nosek, F Nova, JC Nugent, H Oh, R Okazaki, HM O'Keeffe, W Okinaga, K Okumura, T Okusawa, A Olshevskiy, T Olson, N Onda, N Ospina, L Osu, L O'Sullivan, Y Oyama, M Ozkaynak, A Pal, J Paley, L Panda, V Paolone, J Pasternak, RB Patterson, G Pawloski, D Payne, T Peacock, R Petti, M Pfaff, L Pickering, RK Plunkett, B Popov, JCC Porter, AJ Portocarrero Yrey, M Posiadala-Zezula, YS Prabhu, LR Prais, H Prasad, F Pupilli, B Quilain, PT Quyen, E Radicioni, B Radics, A Rafique, V Raj, M Rajaoalisoa, MA Ramirez, R Ramsden, B Ramson, PN Ratoff, B Rebel, M Reh, G Reina, C Riccio, DW Riley, E Robles, E Rondio, S Roth, N Roy, P Roy, A Rubbia, L Russo, A Rychter, W Saenz, K Sakashita, S Samani, O Samoylov, MC Sanchez, F Sánchez, S Sà nchez Falero, EM Sandford, Y Sato, T Schefke, CM Schloesser, K Scholberg, M Scott, Y Seiya, T Sekiguchi, H Sekiya, T Sekiya, D Seppala, D Sgalaberna, A Shaikhiev, P Shanahan, P Sharma, A Sheshukov, M Shiozawa, Y Shiraishi, Shivam, A Shmakov, W Shorrock, S Shukla, A Shvartsman, I Singh, P Singh, V Singh, S Singh Chhibra, DK Singha, N Skrobova, K Skwarczynski, A Smith, J Smolik, M Smy, D Smyczek, P Snopok, JT Sobczyk, H Sobel, FJP Soler, N Solomey, A Sousa, K Soustruznik, AJ Speers, R Spina, A Srivastava, P Stowell, M Strait, Y Stroke, IA Suslov, L Suter, A Sutton, K Sutton, A Suzuki, SY Suzuki, S Swain, C Sweeney, A Sztuc, M Tada, S Tairafune, A Takeda, Y Takeuchi, N Talukdar, HK Tanaka, H Tanigawa, P Tas, A Teklu, VV Tereshchenko, T Thakore, N Thamm, J Thomas, E Tiras, M Titus, Y Torun, C Touramanis, D Tran, N Tran, J Trokan-Tenorio, T Tsukamoto, M Tzanov, Y Uchida, J Urheim, M Vagins, P Vahle, Z Vallari, M Varghese, I Vasilyev, G Vasseur, E Villa, U Virginet, T Vladisavljevic, KJ Vockerodt, T Wachala, D Wakabayashi, AV Waldron, HT Wallace, M Wallbank, JG Walsh, L Wan, TK Warburton, D Wark, MO Wascko, A Weber, C Weber, R Wendell, M Wetstein, D Whittington, DA Wickremasinghe, MJ Wilking, C Wilkinson, JR Wilson, J Wolcott, K Wood, C Wret, S Wu, W Wu, W Wu, J Xia, Y Xiao, B Yaeggy, A Yahaya, K Yamamoto, T Yamamoto, C Yanagisawa, Y Yang, A Yankelevich, T Yano, N Yershov, U Yevarouskaya, M Yokoyama, K Yonehara, Y Yoshimoto, N Yoshimura, S Zadorozhnyy, R Zaki, J Zalesak, A Zalewska, J Zalipska, G Zarnecki, J Zhang, XY Zhao, H Zheng, H Zhong, T Zhu, M Ziembicki, ED Zimmerman, M Zito, S Zsoldos, R Zwaska
More details from the publisher

First operation of an ALICE OROC operated in high pressure Ar-CO2 and Ar-CH4

European Physical Journal C Springer Nature 83:12 (2023) 1139

Authors:

A Ritchie-Yates, A Deisting, G Barker, S Boyd, D Brailsford, Z Chen-Wishart, L Cremonesi, P Dunne, J Eeles, P Hamilton, Ac Kaboth, N Khan, A Klustová, J Monroe, J Nowak, P Singh, Av Waldron, J Walding, L Warsame, Mo Wascko, I Xiotidis

Abstract:

New neutrino–nucleus interaction cross-section measurements are required to improve nuclear models sufficiently for future long baseline neutrino experiments to meet their sensitivity goals. A time projection chamber (TPC) filled with a high-pressure gas is a promising detector to characterise the neutrino sources used for such experiments. A gas-filled TPC is ideal for measuring low-energy particles, which travel further in gas than in solid or liquid detectors and using high-pressure increases the target density, resulting in more neutrino interactions. We examine the suitability of multiwire proportional chambers (MWPCs) from the ALICE TPC for use as the readout chambers of a high-pressure gas TPC. These chambers were previously operated at atmospheric pressure. We report the successful operation of an ALICE TPC outer readout chamber (OROC) at pressures up to 4.2 bar absolute (barA) with Ar-CH 4 mixtures with a CH 4 content between 2.8 and 5.0%, and so far up to 4 bar absolute with Ar-CO 2 (90-10). The charge gain of the OROC was measured with signals induced by an 55Fe source. The largest gain achieved at 4.2 bar was (29 ± 1) · 10 3 in Ar-CH 4 with 4.0% CH 4 with an anode voltage of 2975V . In Ar-CO 2 with 10% CO 2 at 4 barA, a gain of (4.2 ± 0.1) · 10 3 was observed with anode voltage 2975V . We extrapolate that at 10 barA, an interesting pressure for future neutrino experiments, a gain of 5000 in Ar-CO 2 with 10% CO 2 (10,000 in Ar-CH 4 with ∼4%CH 4) may be achieved with anode voltage of 4.6kV (∼3.6kV).
More details from the publisher

First operation of an ALICE OROC operated in high pressure Ar-CO$_{2}$ and Ar-CH$_{4}$

(2023)

Authors:

A Ritchie-Yates, A Deisting, G Barker, S Boyd, D Brailsford, Z Chen-Wishart, L Cremonesi, P Dunne, J Eeles, P Hamilton, AC Kaboth, N Khan, A Klustová, J Monroe, J Nowak, P Singh, AV Waldron, J Walding, L Warsame, MO Wascko, I Xiotidis
More details from the publisher

Pagination

  • Current page 1
  • Page 2
  • Page 3
  • Page 4
  • Page 5
  • Page 6
  • Page 7
  • Page 8
  • Page 9
  • …
  • Next page Next
  • Last page Last

Footer Menu

  • Contact us
  • Giving to the Dept of Physics
  • Work with us
  • Media

User account menu

  • Log in

Follow us

FIND US

Clarendon Laboratory,

Parks Road,

Oxford,

OX1 3PU

CONTACT US

Tel: +44(0)1865272200

University of Oxfrod logo Department Of Physics text logo
IOP Juno Champion logo Athena Swan Silver Award logo

© University of Oxford - Department of Physics

Cookies | Privacy policy | Accessibility statement

Built by: Versantus

  • Home
  • Research
  • Study
  • Engage
  • Our people
  • News & Comment
  • Events
  • Our facilities & services
  • About us
  • Giving to Physics
  • Current students
  • Staff intranet