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Preprint
Physics Opportunities with PROSPECT-II
arXiv (Cornell University)
24 Feb 2022
Abstract
The PROSPECT experiment has substantially addressed the original 'Reactor
Antineutrino Anomaly' by performing a high-resolution spectrum measurement from
an enriched compact reactor core and a reactor model-independent sterile
neutrino oscillation search based on the unique spectral distortions the
existence of eV$^2$-scale sterile neutrinos would impart. But as the field has
evolved, the current short-baseline (SBL) landscape supports many complex
phenomenological interpretations, establishing a need for complementary
experimental approaches to resolve the situation.
While the global suite of SBL reactor experiments, including PROSPECT, have
probed much of the sterile neutrino parameter space, there remains a large
region above 1 eV$^2$ that remains unaddressed. Recent results from BEST
confirm the Gallium Anomaly, increasing its significance to $\sim 5\sigma$,
with sterile neutrinos providing a possible explanation of this anomaly.
Separately, the MicroBooNE exclusion of electron-like signatures causing the
MiniBooNE low-energy excess does not eliminate the possibility of sterile
neutrinos as an explanation. Focusing specifically on the future use of
reactors as a neutrino source for beyond-the-standard-model physics and
applications, higher-precision spectral measurements still have a role to play.
These recent results have created a confusing landscape which requires new
data to disentangle the seemingly contradictory measurements. To directly probe
$\overline{\nu}_{e}$ disappearance from high $\Delta m^2$ sterile neutrinos,
the PROSPECT collaboration proposes to build an upgraded and improved detector,
PROSPECT-II. It features an evolutionary detector design which can be
constructed and deployed within one year and have impactful physics with as
little as one calendar year of data.
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Details
- Title
- Physics Opportunities with PROSPECT-II
- Creators
- M AndriamiradoA. B BalantekinC. D BassD. E BergeronE BernardN. S BowdenC. D BryanR CarrT ClassenA. J ConantG DeichertA DelgadoM. V DiwanM. J DolinskiA EricksonB. T FoustJ. K GaisonA Galindo-UribariC. E GilbertS GokhaleC GrantS HansA. B HansellK. M HeegerB HeffronD. E JaffeS JayakumarX JiD. C JonesJ KoblanskiP KunkleO KyzylovaC. E LaneT. J LangfordJ LaRosaB. R LittlejohnX LuJ MaricicM. P MendenhallA. M MeyerR MilincicP. E MuellerH. P MummJ NapolitanoR NeilsonJ. A NikkelS NourJ. L PalominoD. A PushinX QianC RocaR RoseroM SearlesP. T SurukuchiF SutantoM. A TyraR. L VarnerD Venegas-VargasP. B WeatherlyJ WilhelmiA WoolvertonM YehC ZhangX Zhang
- Publication Details
- arXiv (Cornell University)
- Resource Type
- Preprint
- Language
- English
- Academic Unit
- Accelerated Career Entry Bachelor of Science in Nursing (BSN); Electrical and Computer Engineering; Physics
- Other Identifier
- 991021863141504721