pith. machine review for the scientific record. sign in

arxiv: 1807.07891 · v3 · submitted 2018-07-20 · ✦ hep-ex

Recognition: unknown

Search for CP violation in Neutrino and Antineutrino Oscillations by the T2K experiment with 2.2times10²¹ protons on target

K. Abe , R. Akutsu , A. Ali , J. Amey , C. Andreopoulos , L. Anthony , M. Antonova , S. Aoki
show 314 more authors
A. Ariga Y. Ashida Y. Azuma S. Ban M. Barbi G.J. Barker G. Barr C. Barry M. Batkiewicz F. Bench V. Berardi S. Berkman R.M. Berner L. Berns S. Bhadra S. Bienstock A. Blondel S. Bolognesi B. Bourguille S.B. Boyd D. Brailsford A. Bravar C. Bronner M. Buizza Avanzini J. Calcutt T. Campbell S. Cao S.L. Cartwright M.G. Catanesi A. Cervera A. Chappell C. Checchia D. Cherdack N. Chikuma G. Christodoulou J. Coleman G. Collazuol D. Coplowe A. Cudd A. Dabrowska G. De Rosa T. Dealtry P.F. Denner S.R. Dennis C. Densham F. Di Lodovico N. Dokania S. Dolan O. Drapier K.E. Duffy J. Dumarchez P. Dunne S. Emery-Schrenk A. Ereditato P. Fernandez T. Feusels A.J. Finch G.A. Fiorentini G. Fiorillo C. Francois M. Friend Y. Fujii R. Fujita D. Fukuda Y. Fukuda K. Gameil C. Giganti F. Gizzarelli T. Golan M. Gonin D.R. Hadley L. Haegel J.T. Haigh P. Hamacher-Baumann D. Hansen J. Harada M. Hartz T. Hasegawa N.C. Hastings T. Hayashino Y. Hayato A. Hiramoto M. Hogan J. Holeczek F. Hosomi A.K. Ichikawa M. Ikeda J. Imber T. Inoue R.A. Intonti T. Ishida T. Ishii M. Ishitsuka K. Iwamoto A. Izmaylov B. Jamieson M. Jiang S. Johnson P. Jonsson C.K. Jung M. Kabirnezhad A.C. Kaboth T. Kajita H. Kakuno J. Kameda D. Karlen T. Katori Y. Kato E. Kearns M. Khabibullin A. Khotjantsev H. Kim J. Kim S. King J. Kisiel A. Knight A. Knox T. Kobayashi L. Koch T. Koga P.P. Koller A. Konaka L.L. Kormos Y. Koshio K. Kowalik H. Kubo Y. Kudenko R. Kurjata T. Kutter M. Kuze L. Labarga J. Lagoda M. Lamoureux P. Lasorak M. Laveder M. Lawe M. Licciardi T. Lindner Z.J. Liptak R.P. Litchfield X. Li A. Longhin J.P. Lopez T. Lou L. Ludovici X. Lu L. Magaletti K. Mahn M. Malek S. Manly L. Maret A.D. Marino J.F. Martin P. Martins T. Maruyama T. Matsubara V. Matveev K. Mavrokoridis W.Y. Ma E. Mazzucato M. McCarthy N. McCauley K.S. McFarland C. McGrew A. Mefodiev C. Metelko M. Mezzetto A. Minamino O. Mineev S. Mine A. Missert M. Miura S. Moriyama J. Morrison Th.A. Mueller S. Murphy Y. Nagai T. Nakadaira M. Nakahata Y. Nakajima K.G. Nakamura K. Nakamura K.D. Nakamura Y. Nakanishi S. Nakayama T. Nakaya K. Nakayoshi C. Nantais C. Nielsen K. Niewczas K. Nishikawa Y. Nishimura T.S. Nonnenmacher P. Novella J. Nowak H.M. O'Keeffe L. O'Sullivan K. Okumura T. Okusawa W. Oryszczak S.M. Oser R.A. Owen Y. Oyama V. Palladino J.L. Palomino V. Paolone P. Paudyal M. Pavin D. Payne L. Pickering C. Pidcott E.S. Pinzon Guerra C. Pistillo B. Popov K. Porwit M. Posiadala-Zezula A. Pritchard B. Quilain T. Radermacher E. Radicioni P.N. Ratoff E. Reinherz-Aronis C. Riccio E. Rondio B. Rossi S. Roth A. Rubbia A.C. Ruggeri A. Rychter K. Sakashita F. S\'anchez S. Sasaki E. Scantamburlo K. Scholberg J. Schwehr M. Scott Y. Seiya T. Sekiguchi H. Sekiya D. Sgalaberna R. Shah A. Shaikhiev F. Shaker D. Shaw M. Shiozawa A. Smirnov M. Smy J.T. Sobczyk H. Sobel Y. Sonoda J. Steinmann T. Stewart P. Stowell Y. Suda S. Suvorov A. Suzuki S.Y. Suzuki Y. Suzuki A.A. Sztuc R. Tacik M. Tada A. Takeda Y. Takeuchi R. Tamura H.K. Tanaka H.A. Tanaka T. Thakore L.F. Thompson W. Toki C. Touramanis K.M. Tsui T. Tsukamoto M. Tzanov Y. Uchida W. Uno M. Vagins Z. Vallari G. Vasseur C. Vilela T. Vladisavljevic V.V. Volkov T. Wachala J. Walker Y. Wang D. Wark M.O. Wascko A. Weber R. Wendell M.J. Wilking C. Wilkinson J.R. Wilson R.J. Wilson C. Wret Y. Yamada K. Yamamoto S. Yamasu C. Yanagisawa G. Yang T. Yano K. Yasutome S. Yen N. Yershov M. Yokoyama T. Yoshida M. Yu A. Zalewska J. Zalipska K. Zaremba G. Zarnecki M. Ziembicki E.D. Zimmerman M. Zito S. Zsoldos A. Zykova
Authors on Pith no claims yet
classification ✦ hep-ex
keywords neutrinodeltaantineutrinocandidatesexperimentprotonstargettimes10
0
0 comments X
read the original abstract

The T2K experiment measures muon neutrino disappearance and electron neutrino appearance in accelerator-produced neutrino and antineutrino beams. With an exposure of $14.7(7.6)\times 10^{20}$ protons on target in neutrino (antineutrino) mode, 89 $\nu_e$ candidates and 7 anti-$\nu_e$ candidates were observed while 67.5 and 9.0 are expected for $\delta_{CP}=0$ and normal mass ordering. The obtained $2\sigma$ confidence interval for the $CP$ violating phase, $\delta_{CP}$, does not include the $CP$-conserving cases ($\delta_{CP}=0,\pi$). The best-fit values of other parameters are $\sin^2\theta_{23} = 0.526^{+0.032}_{-0.036}$ and $\Delta m^2_{32}=2.463^{+0.071}_{-0.070}\times10^{-3} \mathrm{eV}^2/c^4$.

This paper has not been read by Pith yet.

discussion (0)

Sign in with ORCID, Apple, or X to comment. Anyone can read and Pith papers without signing in.