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SUMMARY:T2K Status and Plans
DTSTART;VALUE=DATE-TIME:20220321T133000Z
DTEND;VALUE=DATE-TIME:20220321T134500Z
DTSTAMP;VALUE=DATE-TIME:20260719T100053Z
UID:indico-contribution-2191@indico.tlabs.ac.za
DESCRIPTION:Speakers: Neil McCauley (University of Liverpool)\nT2K is a lo
 ng baseline experiment providing world-leading measurements of the paramet
 ers governing neutrino oscillation. \nT2K data enable first 3sigma exclusi
 on for some intervals of the CP-violating phase $\\delta_{CP}$ and precisi
 on measurements of the atmospheric parameters $\\Delta m^{2}_{32}$\, $\\si
 n^2(\\theta_{23}$).\nT2K exploits a beam of muon neutrinos and antineutrin
 os at the Japan Particle Accelerator Research Centre (JPARC) and it measur
 es oscillations by comparing neutrino rates and spectra\nat a near detecto
 r complex\, located at JPARC\, and at the water-cherencov detector SuperKa
 miokande\, located 295 Km away.\nThe T2K beam will be upgraded with increa
 sed power in 2022 and an upgrade of the ND280 near detector\, located 2.5 
 degrees off-axis\, is being assembled to exploits the increased statistics
 .\nMoreover the SuperKamiokande detector has been loaded with 0.01% of Gad
 olinium in 2020\, enabling enhanced neutron tagging. \nIn preparation for 
 the exploitation of such data\, the T2K collaboration is working on an upd
 ated oscillation analysis to improve the control of systematic uncertainti
 es \nA new beam tuning has been developed\, based on an improved NA61/SHIN
 E measurement on a copy of the T2K target and including a refined modeling
  of the beam line materials.  \nNew selections at ND280\, with proton and 
 photon tagging\, and at Super Kamiokande\, extending pion tagging to muon 
 neutrino samples\, have been developed. \nAfter reviewing the latest measu
 rements of oscillation parameters\, the status of such new developments an
 d the plan to deploy the beam and ND280 upgrade will be presented.\n\nhttp
 s://indico.tlabs.ac.za/event/109/contributions/2191/
LOCATION:
URL:https://indico.tlabs.ac.za/event/109/contributions/2191/
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