Search for the dark photon in π0 decays

Batley, J. R.

doi:10.1016/j.physletb.2015.04.068

Title: Search for the dark photon in π⁰ decays

Abstract

A sample of 1.69 × 10⁷ fully reconstructed π⁰ → γe⁺e^– decay candidates collected by the NA48/2 experiment at CERN in 2003–2004 is analyzed to search for the dark photon (A') production in the π0→γA' decay followed by the prompt A' → e⁺e^– decay. No signal is observed, and an exclusion region in the plane of the dark photon mass mA' and mixing parameter ε² is established. The obtained upper limits on ε² are more stringent than the previous limits in the mass range 9 MeV/c² < m_A' < 70 MeV/c². Furthermore, the NA48/2 sensitivity to the dark photon production in the K^± → π^± A' decay is also evaluated.

Authors:

Batley, J. R. ^[1]

Univ. of Cambridge, Cambridge (United Kingdom). et al.

Publication Date:: Tue May 05 00:00:00 EDT 2015

Research Org.:: SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)

Sponsoring Org.:: USDOE

Contributing Org.:: Na48/2 Collaboration

OSTI Identifier:: 1261187

Grant/Contract Number:: AC02-76SF0051

Resource Type:: Accepted Manuscript

Journal Name:: Physics Letters. B

Additional Journal Information:: Journal Volume: 746; Journal Issue: C; Journal ID: ISSN 0370-2693

Publisher:: Elsevier

Country of Publication:: United States

Language:: English

Subject:: 73 NUCLEAR PHYSICS AND RADIATION PHYSICS

Citation Formats


                    Batley, J. R. Search for the dark photon in π0 decays.  United States: N. p., 2015. 
Web.  doi:10.1016/j.physletb.2015.04.068.

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                    Batley, J. R. Search for the dark photon in π0 decays.  United States.  https://doi.org/10.1016/j.physletb.2015.04.068

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                    Batley, J. R. Tue .  
"Search for the dark photon in π0 decays".  United States.  https://doi.org/10.1016/j.physletb.2015.04.068.  https://www.osti.gov/servlets/purl/1261187.

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@article{osti_1261187,

  title        = {Search for the dark photon in π0 decays},

  author       = {Batley, J. R.},

  abstractNote = {A sample of 1.69 × 107 fully reconstructed π0 → γe+e– decay candidates collected by the NA48/2 experiment at CERN in 2003–2004 is analyzed to search for the dark photon (A') production in the π0→γA' decay followed by the prompt A' → e+e– decay. No signal is observed, and an exclusion region in the plane of the dark photon mass mA' and mixing parameter ε2 is established. The obtained upper limits on ε2 are more stringent than the previous limits in the mass range 9 MeV/c2 < mA' < 70 MeV/c2. Furthermore, the NA48/2 sensitivity to the dark photon production in the K± → π± A' decay is also evaluated.},

  doi          = {10.1016/j.physletb.2015.04.068},

  journal      = {Physics Letters. B},

  number       = C,

  volume       = 746,

  place        = {United States},

  year         = {Tue May 05 00:00:00 EDT 2015},

  month        = {Tue May 05 00:00:00 EDT 2015}

}

Copy to clipboard

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https://doi.org/10.1016/j.physletb.2015.04.068

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Cited by: 232 works

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Figures / Tables:

Table 1: Numbers of data events passing the $K_{2π D}$ and $K_{μ3D}$ selections, and acceptances of these selections evaluated with MC simulations. The statistical errors on the acceptances are negligible.

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https://doi.org/10.1007/jhep04(2021)191

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Search for dark photons from neutral meson decays in p+p and d+Au collisions at √s_NN = 200 GeV

Journal Article Adare, A. ; Afanasiev, S. ; Aidala, C. ; ... - Physical Review. C. Nuclear Physics

The standard model (SM) of particle physics is spectacularly successful, yet the measured value of the muon anomalous magnetic moment (g-2)_μ deviates from SM calculations by 3.6σ. Several theoretical models attribute this to the existence of a “dark photon,” an additional U(1) gauge boson, which is weakly coupled to ordinary photons. For this study, the PHENIX experiment at the Relativistic Heavy Ion Collider has searched for a dark photon, U, in π⁰,η→γe⁺e^- decays and obtained upper limits of θ(2×10^-6) on U-γ mixing at 90% C.L. for the mass range 30_U<90 MeV/c². Lastly, combined with other experimental limits, the remaining regionmore »« less
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https://doi.org/10.1103/PhysRevC.91.031901

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Title: Search for the dark photon in π0 decays

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Two U(1)'s and ϵ charge shifts journal, January 1986

Secluded U(1) below the weak scale journal, November 2009

The beam and detector for the NA48 neutral kaon CP violation experiment at CERN journal, May 2007

Search for direct CP violating charge asymmetries in K±→π±π+π- and K±→π±π0π0 decays journal, November 2007

Monte Carlo simulation for radiative kaon decays journal, November 2005

Radiative Corrections to the Decay π 0 → γ e + e − journal, April 1972

Electromagnetic decays of light mesons journal, November 1985

Dispersive analysis of the pion transition form factor journal, November 2014

Review of Particle Physics journal, August 2014

A measurement of the ?0, ? and ?? electromagnetic form factors journal, September 1991

The Dalitz decay π0 → e + e – γ revisited journal, February 2006

Confidence intervals and upper bounds for small signals in the presence of background noise journal, February 2001

Limit on the production of a light vector gauge boson in ϕ meson decays with the KLOE detector journal, March 2013

Searching a dark photon with HADES journal, April 2014

Search for a Dark Photon in e + e − Collisions at BaBar journal, November 2014

Muon g − 2 , rare kaon decays, and parity violation from dark bosons journal, May 2014

The Muon g-2 experiment at Fermilab journal, January 2017

Point sources from dissipative dark matter journal, December 2017

Right-handed neutrino dark matter under the B − L gauge interaction journal, February 2017

Implications of the dark axion portal for SHiP and FASER and the advantages of monophoton signals journal, September 2019

New light mediators for the R K and R K * puzzles journal, June 2018

Sub-GeV dark matter model journal, October 2019

Muon anomalous magnetic moment in the standard model extension journal, December 2017

Is it possible to discover a dark matter particle with an accelerator? journal, September 2016

Physics beyond colliders at CERN: beyond the Standard Model working group report journal, December 2019

Dark matter, millicharges, axion and scalar particles, gauge bosons, and other new physics with LDMX journal, April 2019

Neutrino Oscillations and Non-standard Interactions journal, February 2018

Hunting Down Massless Dark Photons in Kaon Physics journal, July 2017

Long-lived particles at the energy frontier: the MATHUSLA physics case journal, October 2019

Constraints on the U(1)L gauge boson in a wide mass range journal, April 2016

Measurement of the π 0 → e + e − γ Dalitz decay at the Mainz Microtron journal, February 2017

Z ′ mediated WIMPs: dead, dying, or soon to be detected? journal, November 2019

Search for a Hypothetical 16.7 MeV Gauge Boson and Dark Photons in the NA64 Experiment at CERN journal, June 2018

Searching for dark photons at the LHeC and FCC-he journal, January 2020

Search for Invisible Decays of Sub-GeV Dark Photons in Missing-Energy Events at the CERN SPS journal, January 2017

Measurement of B ( J / ψ → η ′ e + e − ) and search for a dark photon journal, January 2019

X(16.7) production in electron–positron collision journal, June 2018

Probing invisible decay of a dark photon at BESIII and a future Super Tau Charm Factory via monophoton searches journal, December 2019

Lepton flavor violating non-standard interactions via light mediators journal, July 2016

Physics beyond colliders at CERN: beyond the Standard Model working group report text, January 2020

Search for vector mediator of dark matter production in invisible decay mode text, January 2018

Dark Matter Search in Missing Energy Events with NA64 text, January 2019

Searching for dark photons at the LHeC and FCC-he text, January 2020

THE MUON g -2 EXPERIMENT AT FERMILAB conference, June 2019

Physics Beyond Colliders at CERN: Beyond the Standard Model Working Group Report text, January 2019

Measurement of the π0→e+e−γ Dalitz decay at the Mainz Microtron text, January 2017

Search for a Hypothetical 16.7 MeV Gauge Boson and Dark Photons in the NA64 Experiment at CERN text, January 2018

Lepton Jets from Radiating Dark Matter text, January 2015

Constraints on the $U(1)_L$ gauge boson in a wide mass range text, January 2015

Search for a muonic dark force at BABAR text, January 2016

Neutrinophilic Non-Standard Interactions text, January 2016

Particle Physics Models for the 17 MeV Anomaly in Beryllium Nuclear Decays text, January 2016

Search for invisible decays of sub-GeV dark photons in missing-energy events at the CERN SPS text, January 2016

Revisiting Supernova 1987A Constraints on Dark Photons text, January 2016

Examining the origin of dark matter mass at colliders text, January 2016

The Muon g-2 experiment at Fermilab text, January 2017

Point Sources from Dissipative Dark Matter text, January 2017

Search for vector mediator of Dark Matter production in invisible decay mode text, January 2017

Neutrino oscillations and Non-Standard Interactions preprint, January 2017

Search for a Hypothetical 16.7 MeV Gauge Boson and Dark Photons in the NA64 Experiment at CERN text, January 2018

Dark Sectors at the Fermilab SeaQuest Experiment text, January 2018

Long-Lived Particles at the Energy Frontier: The MATHUSLA Physics Case text, January 2018

Dark matter search in missing energy events with NA64 text, January 2019

$Z'$ Mediated WIMPs: Dead, Dying, or Soon to be Detected? text, January 2019

Searching for Dark Photons at the LHeC and FCC-he text, January 2019

Search for Dark Photons Produced in 13 TeV pp Collisions text, January 2018

Dark photon production through positron annihilation in beam-dump experiments text, January 2018

Prospects for Beyond the Standard Model Physics Searches at the Deep Underground Neutrino Experiment text, January 2020

Searching for $Z'$ bosons at the P2 experiment text, January 2021

Title: Search for the dark photon in π⁰ decays

Two U(1)'s and ϵ charge shifts
journal, January 1986

Secluded U(1) below the weak scale
journal, November 2009

The beam and detector for the NA48 neutral kaon CP violation experiment at CERN
journal, May 2007

Search for direct CP violating charge asymmetries in K±→π±π+π- and K±→π±π0π0 decays
journal, November 2007

Monte Carlo simulation for radiative kaon decays
journal, November 2005

Radiative Corrections to the Decay $π^{0} \to γ e^{+} e^{-}$
journal, April 1972

Electromagnetic decays of light mesons
journal, November 1985

Dispersive analysis of the pion transition form factor
journal, November 2014

Review of Particle Physics
journal, August 2014

A measurement of the ?0, ? and ?? electromagnetic form factors
journal, September 1991

The Dalitz decay π0 → e + e – γ revisited
journal, February 2006

Confidence intervals and upper bounds for small signals in the presence of background noise
journal, February 2001

Limit on the production of a light vector gauge boson in ϕ meson decays with the KLOE detector
journal, March 2013

Searching a dark photon with HADES
journal, April 2014

Search for a Dark Photon in $e^{+} e^{-}$ Collisions at BaBar
journal, November 2014

Muon $g - 2$ , rare kaon decays, and parity violation from dark bosons
journal, May 2014

The Muon g-2 experiment at Fermilab
journal, January 2017

Point sources from dissipative dark matter
journal, December 2017

Right-handed neutrino dark matter under the B − L gauge interaction
journal, February 2017

Implications of the dark axion portal for SHiP and FASER and the advantages of monophoton signals
journal, September 2019

New light mediators for the $R_{K}$ and $R_{K^{*}}$ puzzles
journal, June 2018

Sub-GeV dark matter model
journal, October 2019

Muon anomalous magnetic moment in the standard model extension
journal, December 2017

Is it possible to discover a dark matter particle with an accelerator?
journal, September 2016

Physics beyond colliders at CERN: beyond the Standard Model working group report
journal, December 2019

Dark matter, millicharges, axion and scalar particles, gauge bosons, and other new physics with LDMX
journal, April 2019

Neutrino Oscillations and Non-standard Interactions
journal, February 2018

Hunting Down Massless Dark Photons in Kaon Physics
journal, July 2017

Long-lived particles at the energy frontier: the MATHUSLA physics case
journal, October 2019

Constraints on the U(1)L gauge boson in a wide mass range
journal, April 2016

Measurement of the $π^{0} \to e^{+} e^{-} γ$ Dalitz decay at the Mainz Microtron
journal, February 2017

Z ′ mediated WIMPs: dead, dying, or soon to be detected?
journal, November 2019

Search for a Hypothetical 16.7 MeV Gauge Boson and Dark Photons in the NA64 Experiment at CERN
journal, June 2018

Searching for dark photons at the LHeC and FCC-he
journal, January 2020

Search for Invisible Decays of Sub-GeV Dark Photons in Missing-Energy Events at the CERN SPS
journal, January 2017

Measurement of $B (J / ψ \to η' e^{+} e^{-})$ and search for a dark photon
journal, January 2019

X(16.7) production in electron–positron collision
journal, June 2018

Probing invisible decay of a dark photon at BESIII and a future Super Tau Charm Factory via monophoton searches
journal, December 2019

Lepton flavor violating non-standard interactions via light mediators
journal, July 2016

Physics beyond colliders at CERN: beyond the Standard Model working group report
text, January 2020

Search for vector mediator of dark matter production in invisible decay mode
text, January 2018

Dark Matter Search in Missing Energy Events with NA64
text, January 2019

Searching for dark photons at the LHeC and FCC-he
text, January 2020

THE MUON g -2 EXPERIMENT AT FERMILAB
conference, June 2019

Physics Beyond Colliders at CERN: Beyond the Standard Model Working Group Report
text, January 2019

Measurement of the π0→e+e−γ Dalitz decay at the Mainz Microtron
text, January 2017

Search for a Hypothetical 16.7 MeV Gauge Boson and Dark Photons in the NA64 Experiment at CERN
text, January 2018

Lepton Jets from Radiating Dark Matter
text, January 2015

Constraints on the $U(1)_L$ gauge boson in a wide mass range
text, January 2015

Search for a muonic dark force at BABAR
text, January 2016

Neutrinophilic Non-Standard Interactions
text, January 2016

Particle Physics Models for the 17 MeV Anomaly in Beryllium Nuclear Decays
text, January 2016

Search for invisible decays of sub-GeV dark photons in missing-energy events at the CERN SPS
text, January 2016

Revisiting Supernova 1987A Constraints on Dark Photons
text, January 2016

Examining the origin of dark matter mass at colliders
text, January 2016

The Muon g-2 experiment at Fermilab
text, January 2017

Point Sources from Dissipative Dark Matter
text, January 2017

Search for vector mediator of Dark Matter production in invisible decay mode
text, January 2017

Neutrino oscillations and Non-Standard Interactions
preprint, January 2017

Search for a Hypothetical 16.7 MeV Gauge Boson and Dark Photons in the NA64 Experiment at CERN
text, January 2018

Dark Sectors at the Fermilab SeaQuest Experiment
text, January 2018

Long-Lived Particles at the Energy Frontier: The MATHUSLA Physics Case
text, January 2018

Dark matter search in missing energy events with NA64
text, January 2019

$Z'$ Mediated WIMPs: Dead, Dying, or Soon to be Detected?
text, January 2019

Searching for Dark Photons at the LHeC and FCC-he
text, January 2019

Search for Dark Photons Produced in 13 TeV pp Collisions
text, January 2018

Dark photon production through positron annihilation in beam-dump experiments
text, January 2018

Prospects for Beyond the Standard Model Physics Searches at the Deep Underground Neutrino Experiment
text, January 2020

Searching for $Z'$ bosons at the P2 experiment
text, January 2021