Neutrino trident scattering at near detectors

Ballett, P.; Hostert, Matheus; Pascoli, Silvia; Perez-Gonzalez, Yuber F.; Tabrizi, Zahra; Funchal, R. Zukanovich

doi:10.1007/jhep01(2019)119

Cited by 61 publications

(76 citation statements)

References 61 publications

(145 reference statements)

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“…Refs. [70,71] estimate O (20) neutrino trident e + e − events in the MPD (we obtain this by scaling their LArTPC projections to the mass of the HPTPC) in ten years. Their kinematics should be different from our signature (in terms of invariant mass, direction, etc.)…”

Section: Backgroundsmentioning

confidence: 99%

Searches for decays of new particles in the DUNE Multi-Purpose near Detector

Berryman

Gouvêa

Fox

et al. 2020

J. High Energ. Phys.

101

166

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One proposed component of the upcoming Deep Underground Neutrino Experiment (DUNE) near detector complex is a multi-purpose, magnetized, gaseous argon time projection chamber: the Multi-Purpose Detector (MPD). We explore the new-physics potential of the MPD, focusing on scenarios in which the MPD is significantly more sensitive to new physics than a liquid argon detector, specifically searches for semi-long-lived particles that are produced in/near the beam target and decay in the MPD. The specific physics possibilities studied are searches for dark vector bosons mixing kinetically with the Standard Model hypercharge group, leptophilic vector bosons, dark scalars mixing with the Standard Model Higgs boson, and heavy neutral leptons that mix with the Standard Model neutrinos. We demonstrate that the MPD can extend existing bounds in most of these scenarios. We illustrate how the ability of the MPD to measure the momentum and charge of the final state particles leads to these bounds. arXiv:1912.07622v1 [hep-ph] 16 Dec 2019 Liquid Argon Near Detector: The liquid argon near detector has a width (transverse to the beam direction) of 7 m, a height of 3 m, and a length (in the beam direction) of 5 m. The fiducial mass of the near detector is 50 t of argon. See Ref. [2] for more detail.Multi-Purpose Detector: The Multi-Purpose Detector (MPD) is a magnetic spectrometer with a cylindrical high-pressure gaseous argon time projection chamber (HPTPC) at its heart. The HPTPC has a diameter of 5 m and a length of 5 m. It is surrounded by an electromagnetic calorimeter (ECAL) and the HPTPC+ECAL system is situated inside a magnet with 0.5 T central field. The axis of the cylinder is perpendicular to the beam direction. However, for simplicity, when simulating our signals (see Section 3), * Some projections of DUNE operation include the possibility of an upgraded beam (roughly twice the number of protons on target per year) that can operate in the second half of the experiment. We assume a constant number of protons on target per year, so our ten-year projection is equivalent to a shorter operation time with such an upgraded beam. † This is in contrast with the LArTPC, where the conversion distance of photons is O(10 cm). Far more photons can fake the signal of e + e − in the LArTPC than in the HPTPC. * Ref. [63] provides a thorough review of searches for dark photons and existing constraints. * The results of this analysis in antineutrino mode are qualitatively equivalent.

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Section: Backgroundsmentioning

confidence: 99%

Searches for decays of new particles in the DUNE Multi-Purpose near Detector

Berryman

Gouvêa

Fox

et al. 2020

J. High Energ. Phys.

101

166

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“…The Z contributes to muon-neutrino induced muon pair production off a nucleus ν µ N → ν µ µ + µ − N , the so-called neutrino trident process [6,[107][108][109][110][111]. The cross section for this process at the CCFR experiment is estimated as [111] (see also [112] for a complete SM computation)…”

Section: Neutrino Trident Productionmentioning

confidence: 99%

Complete vectorlike fourth family with U(1)′ : A global analysis

2020

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In this paper we present an in-depth analysis of a recently proposed Standard Model extension with a complete fourth generation of quarks and leptons, which are vector-like with respect to the Standard Model gauge group and charged under a new spontaneously broken vector-like U(1) gauge symmetry. The model is designed to explain the known muon anomalies, i.e. the observed deviations from Standard Model predictions in the anomalous magnetic moment of the muon, ∆a µ , and in b → s + − processes. We perform a global χ 2 analysis of the data with 65 model parameters and including 98 observables. We find many points with χ 2 per degree of freedom ≤ 1. The vector-like leptons and the new heavy Z are typically much lighter than a TeV and would, thus, be eminently visible at the HL-LHC.

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“…In trident production ( Fig. 2), the neutrino interacts with a virtual photon from the nucleus to produce a neutrino, a charged lepton, and a charged lepton of opposite sign [11,[55][56][57][58][59]. The cross section for this process has never been calculated at TeV-PeV energies.…”

Section: Introductionmentioning

confidence: 99%

Neutrino-nucleus cross sections for W -boson and trident production

Zhou

Beacom

2020

Phys. Rev. D

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The physics of neutrino-nucleus cross sections is a critical probe of the Standard Model and beyond. A precise understanding is also needed to accurately deduce astrophysical neutrino spectra. At energies above ∼ 5 GeV, the cross section is dominated by deep inelastic scattering, mediated by weak bosons. In addition, there are subdominant processes where the hadronic coupling is through virtual photons, γ * : (on-shell) W -boson production (e.g., where the underlying interaction is ν +γ * → − +W + ) and trident production (e.g., where it is ν +γ * → ν + − 1 + + 2 ). These processes become increasingly relevant at TeV-PeV energies. We undertake the first systematic approach to these processes (and those with hadronic couplings through virtual W and Z bosons), treating them together, avoiding common approximations, considering all neutrino flavors and final states, and covering the energy range 10 -10 8 GeV. In particular, we present the first complete calculation of W -boson production and the first calculation of trident production at TeV-PeV energies. When we use the same assumptions as in prior work, we recover all of their major results. In a companion paper [1], we show that these processes should be taken into account for IceCube-Gen2.

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Neutrino trident scattering at near detectors

Cited by 61 publications

References 61 publications

Searches for decays of new particles in the DUNE Multi-Purpose near Detector

Searches for decays of new particles in the DUNE Multi-Purpose near Detector

Complete vectorlike fourth family with U(1)′ : A global analysis

Neutrino-nucleus cross sections for W -boson and trident production

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