64
3 Phenomenology of the Massive Dark Photon
41. E. Hardy, R. Lasenby, Stellar cooling bounds on new light particles: plasma mixing effects.
JHEP 02, 033 (2017). https://doi.org/10.1007/JHEP02(2017)033. arXiv:1611.05852 [hep-ph]
42. ATLAS Collaboration, G. Aad et al., Search for long-lived neutral particles decaying into
lepton jets in proton-proton collisions at
√
s = 8 TeV with the ATLAS detector. JHEP 11,
088 (2014). arXiv:1409.0746 [hep-ex]. https://doi.org/10.1007/JHEP11(2014)088
43. ATLAS Collaboration, G. Aad et al., A search for prompt lepton-jets in pp collisions at
√
s =
8 TeV with the ATLAS detector. JHEP 02, 062 (2016). arXiv:1511.05542 [hep-ex]. https://
doi.org/10.1007/JHEP02(2016)062
44. CMS Collaboration, V. Khachatryan et al., A search for pair production of new light bosons
decaying into muons. Phys. Lett. B752, 146–168 (2016). arXiv:1506.00424 [hep-ex]. https://
doi.org/10.1016/j.physletb.2015.10.067
45. A. Fradette, M. Pospelov, J. Pradler, A. Ritz, Cosmological constraints on very dark photons. Phys. Rev. D90(3), 035022 (2014). arXiv:1407.0993 [hep-ph]. https://doi.org/10.1103/
PhysRevD.90.035022
46. LHCb Collaboration, R. Aaij et al., Physics case for an LHCb Upgrade II— Opportunities in
flavour physics, and beyond, in the HL-LHC era. arXiv:1808.08865 [hep-ex]
47. FASER Collaboration, A. Ariga et al., FASER physics reach for long-lived particles. Phys.
Rev. D99(9), 095011 (2019). arXiv:1811.12522 [hep-ph]. https://doi.org/10.1103/PhysRevD.
99.095011
48. R.K. Ellis et al., Physics Briefing Book: Input for the European Strategy for Particle Physics
Update 2020. arXiv:1910.11775 [hep-ex]
49. E787 Collaboration, S. Adler et al., Further evidence for the decay K + → π + ν ¯
ν. Phys.
Rev. Lett. 88, 041803 (2002). arXiv:hep-ex/0111091 [hep-ex]. https://doi.org/10.1103/
PhysRevLett.88.041803
50. BNL-E949 Collaboration, A.V. Artamonov et al., Study of the decay K + → π + ν ¯
ν
in the momentum region 140 < P π < 199 MeV/c. Phys. Rev. D79, 092004 (2009).
arXiv:0903.0030 [hep-ex]. https://doi.org/10.1103/PhysRevD.79.092004
51. NA62 Collaboration, E. Cortina Gil et al., Search for production of an invisible dark photon
in π 0 decays. JHEP 05, 182 (2019). arXiv:1903.08767 [hep-ex]. https://doi.org/10.1007/
JHEP05(2019)182
52. BaBar Collaboration, J.P. Lees et al., Search for invisible decays of a dark photon produced
in e + e − Collisions at BaBar. Phys. Rev. Lett. 119(13), 131804 (2017). arXiv:1702.03327
[hep-ex]. https://doi.org/10.1103/PhysRevLett.119.131804
53. D. Banerjee et al., Dark matter search in missing energy events with NA64. Phys. Rev. Lett.
123(12), 121801 (2019). arXiv:1906.00176 [hep-ex]. https://doi.org/10.1103/PhysRevLett.
123.121801
54. Muon g-2 Collaboration, G.W. Bennett et al., Final report of the muon E821 anomalous magnetic moment measurement at BNL. Phys. Rev. D73, 072003 (2006). arXiv:hep-ex/0602035
[hep-ex]. https://doi.org/10.1103/PhysRevD.73.072003
55. KLEVER Project Collaboration, F. Ambrosino et al., KLEVER: an experiment to measure
BR(K L → π 0 ν ¯
ν) at the CERN SPS. arXiv:1901.03099 [hep-ex]
56. M. Raggi, V. Kozhuharov, P. Valente, The PADME experiment at LNF. EPJ Web Conf. 96,
01025 (2015). https://doi.org/10.1051/epjconf/20159601025. arXiv:1501.01867 [hep-ex]
57. LDMX Collaboration, T. Akesson et al., Light Dark Matter eXperiment (LDMX).
arXiv:1808.05219 [hep-ex]
58. T. Akesson et al., Dark Sector Physics with a Primary Electron Beam Facility at CERN. http://
cds.cern.ch/record/2640784?ln=en
59. T. Raubenheimer, A. Beukers, A. Fry, C. Hast, T. Markiewicz, Y. Nosochkov, N. Phinney, P. Schuster, N. Toro, DASEL: Dark Sector Experiments at LCLS-II. arXiv:1801.07867
[physics.acc-ph]
60. A. Caputo, H. Liu, S. Mishra-Sharma, J.T. Ruderman, Dark Photon Oscillations in Our Inhomogeneous Universe. arXiv:2002.05165 [astro-ph.CO]
61. A.A. Garcia, K. Bondarenko, S. Ploeckinger, J. Pradler, A. Sokolenko, Effective photon
mass and (dark) photon conversion in the inhomogeneous Universe. arXiv:2003.10465 [astroph.CO]
3 Phenomenology of the Massive Dark Photon
41. E. Hardy, R. Lasenby, Stellar cooling bounds on new light particles: plasma mixing effects.
JHEP 02, 033 (2017). https://doi.org/10.1007/JHEP02(2017)033. arXiv:1611.05852 [hep-ph]
42. ATLAS Collaboration, G. Aad et al., Search for long-lived neutral particles decaying into
lepton jets in proton-proton collisions at
√
s = 8 TeV with the ATLAS detector. JHEP 11,
088 (2014). arXiv:1409.0746 [hep-ex]. https://doi.org/10.1007/JHEP11(2014)088
43. ATLAS Collaboration, G. Aad et al., A search for prompt lepton-jets in pp collisions at
√
s =
8 TeV with the ATLAS detector. JHEP 02, 062 (2016). arXiv:1511.05542 [hep-ex]. https://
doi.org/10.1007/JHEP02(2016)062
44. CMS Collaboration, V. Khachatryan et al., A search for pair production of new light bosons
decaying into muons. Phys. Lett. B752, 146–168 (2016). arXiv:1506.00424 [hep-ex]. https://
doi.org/10.1016/j.physletb.2015.10.067
45. A. Fradette, M. Pospelov, J. Pradler, A. Ritz, Cosmological constraints on very dark photons. Phys. Rev. D90(3), 035022 (2014). arXiv:1407.0993 [hep-ph]. https://doi.org/10.1103/
PhysRevD.90.035022
46. LHCb Collaboration, R. Aaij et al., Physics case for an LHCb Upgrade II— Opportunities in
flavour physics, and beyond, in the HL-LHC era. arXiv:1808.08865 [hep-ex]
47. FASER Collaboration, A. Ariga et al., FASER physics reach for long-lived particles. Phys.
Rev. D99(9), 095011 (2019). arXiv:1811.12522 [hep-ph]. https://doi.org/10.1103/PhysRevD.
99.095011
48. R.K. Ellis et al., Physics Briefing Book: Input for the European Strategy for Particle Physics
Update 2020. arXiv:1910.11775 [hep-ex]
49. E787 Collaboration, S. Adler et al., Further evidence for the decay K + → π + ν ¯
ν. Phys.
Rev. Lett. 88, 041803 (2002). arXiv:hep-ex/0111091 [hep-ex]. https://doi.org/10.1103/
PhysRevLett.88.041803
50. BNL-E949 Collaboration, A.V. Artamonov et al., Study of the decay K + → π + ν ¯
ν
in the momentum region 140 < P π < 199 MeV/c. Phys. Rev. D79, 092004 (2009).
arXiv:0903.0030 [hep-ex]. https://doi.org/10.1103/PhysRevD.79.092004
51. NA62 Collaboration, E. Cortina Gil et al., Search for production of an invisible dark photon
in π 0 decays. JHEP 05, 182 (2019). arXiv:1903.08767 [hep-ex]. https://doi.org/10.1007/
JHEP05(2019)182
52. BaBar Collaboration, J.P. Lees et al., Search for invisible decays of a dark photon produced
in e + e − Collisions at BaBar. Phys. Rev. Lett. 119(13), 131804 (2017). arXiv:1702.03327
[hep-ex]. https://doi.org/10.1103/PhysRevLett.119.131804
53. D. Banerjee et al., Dark matter search in missing energy events with NA64. Phys. Rev. Lett.
123(12), 121801 (2019). arXiv:1906.00176 [hep-ex]. https://doi.org/10.1103/PhysRevLett.
123.121801
54. Muon g-2 Collaboration, G.W. Bennett et al., Final report of the muon E821 anomalous magnetic moment measurement at BNL. Phys. Rev. D73, 072003 (2006). arXiv:hep-ex/0602035
[hep-ex]. https://doi.org/10.1103/PhysRevD.73.072003
55. KLEVER Project Collaboration, F. Ambrosino et al., KLEVER: an experiment to measure
BR(K L → π 0 ν ¯
ν) at the CERN SPS. arXiv:1901.03099 [hep-ex]
56. M. Raggi, V. Kozhuharov, P. Valente, The PADME experiment at LNF. EPJ Web Conf. 96,
01025 (2015). https://doi.org/10.1051/epjconf/20159601025. arXiv:1501.01867 [hep-ex]
57. LDMX Collaboration, T. Akesson et al., Light Dark Matter eXperiment (LDMX).
arXiv:1808.05219 [hep-ex]
58. T. Akesson et al., Dark Sector Physics with a Primary Electron Beam Facility at CERN. http://
cds.cern.ch/record/2640784?ln=en
59. T. Raubenheimer, A. Beukers, A. Fry, C. Hast, T. Markiewicz, Y. Nosochkov, N. Phinney, P. Schuster, N. Toro, DASEL: Dark Sector Experiments at LCLS-II. arXiv:1801.07867
[physics.acc-ph]
60. A. Caputo, H. Liu, S. Mishra-Sharma, J.T. Ruderman, Dark Photon Oscillations in Our Inhomogeneous Universe. arXiv:2002.05165 [astro-ph.CO]
61. A.A. Garcia, K. Bondarenko, S. Ploeckinger, J. Pradler, A. Sokolenko, Effective photon
mass and (dark) photon conversion in the inhomogeneous Universe. arXiv:2003.10465 [astroph.CO]