Introduces echo signatures from vector long-lived particles in nucleon decay, showing high geometric acceptance up to 80% in Super-K, Hyper-K and JUNO for a range of decay lengths.
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New Exclusion Limits on Dark Gauge Forces from Proton Bremsstrahlung in Beam-Dump Data
10 Pith papers cite this work. Polarity classification is still indexing.
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abstract
We re-analyze published proton beam dump data taken at the U70 accelerator at IHEP Serpukhov with the $\nu$-calorimeter I experiment in 1989 to set mass-coupling limits for dark gauge forces. The corresponding data have been used for axion and light Higgs particle searches in Refs. \cite{Blumlein:1990ay,Blumlein:1991xh} before. More recently, limits on dark gauge forces have been derived from this data set, considering a dark photon production from $\pi^0$-decay \cite{Blumlein:2011mv}. Here we determine extended mass and coupling exclusion bounds for dark gauge bosons ranging to masses $m_{\gamma'}$ of 624 MeV at admixture parameters $\varepsilon \simeq 10^{-6}$ considering high-energy Bremsstrahlung of the $U$-boson off the initial proton beam and different detection mechanisms.
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UNVERDICTED 10representative citing papers
A data-driven framework using normalizing flows predicts the rate and kinematic distributions of dark photon and millicharged particle production directly from measured dilepton events.
Sequential freeze-in dark matter with a dark photon mediator of mass 0.01-10 GeV fixes the dark charge at 1.3e-12 and restricts mixing to 10^{-11} to ~10^{-8}, with SHiP excluding most of this range except near 10^{-11}.
Re-evaluation of sub-GeV Lμ-Lτ gauge boson constraints from beam-dump production modes and multiple supernova observables, highlighting differences from existing literature.
Muon beam dump experiments can probe five-dimensional U(1)_{Lμ-Lτ} models via enhanced Kaluza-Klein signals, with decay channels enabling mass reconstruction to indicate extra dimensions.
ALP-assisted first-order phase transitions can explain observed intergalactic magnetic fields and produce detectable gravitational waves, linking cosmology with particle physics searches.
Boosted sub-GeV dark matter from atmospheric cosmic ray bremsstrahlung can be probed by direct detection and neutrino experiments, with enhanced sensitivity near vector mediator resonances.
Minimal reconfiguration of NA62 detectors at a future ECN3 beam-dump facility can deliver competitive sensitivity for MeV-GeV feebly interacting particles and allow immediate data taking.
DUNE's ND-LAr can probe sub-GeV inelastic dark matter parameter space consistent with relic abundance via dark Higgs-mediated annihilation, especially at large dark photon-to-DM mass ratios.
The paper surveys theoretical motivations, experimental searches, and bounds on the dark photon as a kinetically mixed gauge boson from a dark sector, covering both massive and massless cases along with related milli-charged fermion constraints.
citing papers explorer
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Echoes of Nucleon Decay from Long-Lived Particles
Introduces echo signatures from vector long-lived particles in nucleon decay, showing high geometric acceptance up to 80% in Super-K, Hyper-K and JUNO for a range of decay lengths.
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Data-Driven Predictions for Dark Photon and Millicharged Particle Production
A data-driven framework using normalizing flows predicts the rate and kinematic distributions of dark photon and millicharged particle production directly from measured dilepton events.
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Illuminating sequential freeze-in dark matter with dark photon signal at the CERN SHiP experiment
Sequential freeze-in dark matter with a dark photon mediator of mass 0.01-10 GeV fixes the dark charge at 1.3e-12 and restricts mixing to 10^{-11} to ~10^{-8}, with SHiP excluding most of this range except near 10^{-11}.
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$L_\mu-L_\tau$ gauge bosons in beam dumps and supernovae
Re-evaluation of sub-GeV Lμ-Lτ gauge boson constraints from beam-dump production modes and multiple supernova observables, highlighting differences from existing literature.
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Muon Beam Dump Experiments explicate five-dimensional nature of $U(1)_{L_{\mu}-L_{\tau}}$
Muon beam dump experiments can probe five-dimensional U(1)_{Lμ-Lτ} models via enhanced Kaluza-Klein signals, with decay channels enabling mass reconstruction to indicate extra dimensions.
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Primordial Magnetogenesis and Gravitational Waves from ALP-assisted Phase Transition
ALP-assisted first-order phase transitions can explain observed intergalactic magnetic fields and produce detectable gravitational waves, linking cosmology with particle physics searches.
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Sub-GeV dark matter from cosmic ray bremsstrahlung in the atmosphere
Boosted sub-GeV dark matter from atmospheric cosmic ray bremsstrahlung can be probed by direct detection and neutrino experiments, with enhanced sensitivity near vector mediator resonances.
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NO LESS: Novel Opportunities for Light Exotic Searches at the SPS
Minimal reconfiguration of NA62 detectors at a future ECN3 beam-dump facility can deliver competitive sensitivity for MeV-GeV feebly interacting particles and allow immediate data taking.
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Probing inelastic sub-GeV dark matter at the DUNE near detector
DUNE's ND-LAr can probe sub-GeV inelastic dark matter parameter space consistent with relic abundance via dark Higgs-mediated annihilation, especially at large dark photon-to-DM mass ratios.
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The Dark Photon
The paper surveys theoretical motivations, experimental searches, and bounds on the dark photon as a kinetically mixed gauge boson from a dark sector, covering both massive and massless cases along with related milli-charged fermion constraints.