Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
2008-12-24
Physics
High Energy Physics
High Energy Physics - Experiment
6 pages, 2 figures
Scientific paper
We propose a new high-resolution neutrino experiment within a dipole magnetic field, HiResM$\nu$. This experiment will run along with long-baseline neutrino oscillation experiments (LBL$\nu$) such as NO$\nu$A, a large-cavity detector at DUSEL, or a Liquid-Argon detector in the Medium-Energy (ME) configuration of the NuMI-beam. Assuming the 120 GeV Main Injector proton intensities we anticipate 140(50) million $\nu_\mu$ ($\overline{\nu}_\mu$) Charged-Current (CC) events in the fiducial volume, for 3(4)-year run with the ME (anti)neutrino beam. Alternatively, the same statistics could be collected in just 1(1.5) year with the High Energy (HE) beam configuration. The goals of HiResM$\nu$ are twofold. It will measure the relative abundance and the energy spectrum of $\nu_\mu$, $\overline{\nu}_\mu$, $\nu_e$ and $\overline{\nu}_e$ CC-interactions, which are directly relevant to LBL$\nu$. It will serve as an `Event-Generator' of real neutrino interactions to estimate backgrounds and efficiencies in LBL$\nu$. As such, it will provide a quantitative determination of the overall energy-scale of neutrino CC interactions and of hadronic multiplicities for all CC and Neutral-Current (NC) event topologies. In addition, it will perform precise measurements of electroweak parameters, of (semi)exclusive processes such as quasi-elastic, resonance, $\pi^0$ / $K^0_S$ / $\Lambda$/charm-hadron production, as well as of the hadronic structure of nucleons and nuclei. We expect to reach a sensitivity of about 0.2% on the weak mixing angle by combining different channels. The new experiment will also perform searches for new physics beyond the Standard Model.
Mishra Sanjib R.
Petti Richard
Rosenfeld C.
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