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3 Phenomenology of the Massive Dark Photon
4. BaBar Collaboration, J.P. Lees et al., Search for a dark photon in e + e − collisions at BaBar.
Phys. Rev. Lett. 113(20), 201801 (2014). arXiv:1406.2980 [hep-ex]. https://doi.org/10.1103/
PhysRevLett.113.201801
5. KLOE-2 Collaboration, F. Archilli et al., Search for a vector gauge boson in φ meson decays
with the KLOE detector. Phys. Lett. B706, 251–255 (2012). arXiv:1110.0411 [hep-ex]. https://
doi.org/10.1016/j.physletb.2011.11.033
6. KLOE-2 Collaboration, D. Babusci et al., Limit on the production of a light vector gauge
boson in phi meson decays with the KLOE detector. Phys. Lett. B720, 111–115 (2013).
arXiv:1210.3927 [hep-ex]. https://doi.org/10.1016/j.physletb.2013.01.067
7. KLOE-2 Collaboration, D. Babusci et al., Search for light vector boson production in
e + e − → μ + μ − γ interactions with the KLOE experiment. Phys. Lett. B736, 459–464 (2014).
arXiv:1404.7772 [hep-ex]. https://doi.org/10.1016/j.physletb.2014.08.005
8. KLOE-2 Collaboration, A. Anastasi et al., Limit on the production of a new vector boson in
e + e − → Uγ , U→ π + π − with the KLOE experiment. Phys. Lett. B757, 356–361 (2016).
arXiv:1603.06086 [hep-ex]. https://doi.org/10.1016/j.physletb.2016.04.019
9. NA48/2 Collaboration, J.R. Batley et al., Search for the dark photon in π 0 decays. Phys. Lett.
B746, 178–185 (2015). arXiv:1504.00607 [hep-ex]. https://doi.org/10.1016/j.physletb.2015.
04.068
10. A. Bross, M. Crisler, S.H. Pordes, J. Volk, S. Errede, J. Wrbanek, A search for Shortlived
particles produced in an electron beam dump. Phys. Rev. Lett. 67, 2942–2945 (1991). https://
doi.org/10.1103/PhysRevLett.67.2942
11. E.M. Riordan et al., A search for short lived Axions in an electron beam dump experiment.
Phys. Rev. Lett. 59, 755 (1987). https://doi.org/10.1103/PhysRevLett.59.755
12. J.D. Bjorken, S. Ecklund, W.R. Nelson, A. Abashian, C. Church, B. Lu, L.W. Mo, T.A.
Nunamaker, P. Rassmann, Search for neutral metastable penetrating particles produced in
the SLAC beam dump. Phys. Rev. D 38, 3375 (1988). https://doi.org/10.1103/PhysRevD.38.
3375
13. B. Batell, R. Essig, Z. Surujon, Strong constraints on Sub-GeV dark sectors from SLAC beam
dump E137. Phys. Rev. Lett. 113(17), 171802 (2014). arXiv:1406.2698 [hep-ph]. https://doi.
org/10.1103/PhysRevLett.113.171802
14. L. Marsicano, M. Battaglieri, M. Bondi’, C.R. Carvajal, A. Celentano, M. De Napoli,
R. De Vita, E. Nardi, M. Raggi, P. Valente, Dark photon production through positron annihilation in beam-dump experiments. Phys. Rev. D 98(1), 015031 (2018). arXiv:1802.03794
[hep-ex]. https://doi.org/10.1103/PhysRevD.98.015031
15. J. Blumlein, J. Brunner, New exclusion limits for dark gauge forces from beam-dump data.
Phys. Lett. B 701, 155–159 (2011). arXiv:1104.2747 [hep-ex]. https://doi.org/10.1016/j.
physletb.2011.05.046
16. J. Blumlein, J. Brunner, New exclusion limits on dark gauge forces from proton
bremsstrahlung in beam-dump data. Phys. Lett. B731, 320–326 (2014). arXiv:1311.3870
[hep-ph]. https://doi.org/10.1016/j.physletb.2014.02.029
17. S. Gninenko, Constraints on sub-GeV hidden sector gauge bosons from a search for heavy
neutrino decays. Phys. Lett. B 713, 244–248 (2012). arXiv:1204.3583 [hep-ph]. https://doi.
org/10.1016/j.physletb.2012.06.002
18. J.H. Chang, R. Essig, S.D. McDermott, Revisiting supernova 1987A constraints on dark photons. JHEP 01(107) (2017). https://doi.org/10.1007/JHEP01(2017)107. arXiv:1611.03864
[hep-ph]
19. M. Pospelov, Secluded U(1) below the weak scale. Phys. Rev. D 80, 095002 (2009). https://
doi.org/10.1103/PhysRevD.80.095002. arXiv:0811.1030 [hep-ph]
20. Belle-II Collaboration, W. Altmannshofer et al., The Belle II physics book. PTEP 2019(12),
123C01 (2019). https://doi.org/10.1093/ptep/ptz106, https://doi.org/10.1093/ptep/ptaa008.
arXiv:1808.10567 [hep-ex]. [Erratum: PTEP2020,no.2,029201(2020)]
21. P. Ilten, Y. Soreq, J. Thaler, M. Williams, W. Xue, Proposed inclusive dark photon search at
LHCb. Phys. Rev. Lett. 116(25), 251803 (2016). arXiv:1603.08926 [hep-ph]. https://doi.org/
10.1103/PhysRevLett.116.251803
3 Phenomenology of the Massive Dark Photon
4. BaBar Collaboration, J.P. Lees et al., Search for a dark photon in e + e − collisions at BaBar.
Phys. Rev. Lett. 113(20), 201801 (2014). arXiv:1406.2980 [hep-ex]. https://doi.org/10.1103/
PhysRevLett.113.201801
5. KLOE-2 Collaboration, F. Archilli et al., Search for a vector gauge boson in φ meson decays
with the KLOE detector. Phys. Lett. B706, 251–255 (2012). arXiv:1110.0411 [hep-ex]. https://
doi.org/10.1016/j.physletb.2011.11.033
6. KLOE-2 Collaboration, D. Babusci et al., Limit on the production of a light vector gauge
boson in phi meson decays with the KLOE detector. Phys. Lett. B720, 111–115 (2013).
arXiv:1210.3927 [hep-ex]. https://doi.org/10.1016/j.physletb.2013.01.067
7. KLOE-2 Collaboration, D. Babusci et al., Search for light vector boson production in
e + e − → μ + μ − γ interactions with the KLOE experiment. Phys. Lett. B736, 459–464 (2014).
arXiv:1404.7772 [hep-ex]. https://doi.org/10.1016/j.physletb.2014.08.005
8. KLOE-2 Collaboration, A. Anastasi et al., Limit on the production of a new vector boson in
e + e − → Uγ , U→ π + π − with the KLOE experiment. Phys. Lett. B757, 356–361 (2016).
arXiv:1603.06086 [hep-ex]. https://doi.org/10.1016/j.physletb.2016.04.019
9. NA48/2 Collaboration, J.R. Batley et al., Search for the dark photon in π 0 decays. Phys. Lett.
B746, 178–185 (2015). arXiv:1504.00607 [hep-ex]. https://doi.org/10.1016/j.physletb.2015.
04.068
10. A. Bross, M. Crisler, S.H. Pordes, J. Volk, S. Errede, J. Wrbanek, A search for Shortlived
particles produced in an electron beam dump. Phys. Rev. Lett. 67, 2942–2945 (1991). https://
doi.org/10.1103/PhysRevLett.67.2942
11. E.M. Riordan et al., A search for short lived Axions in an electron beam dump experiment.
Phys. Rev. Lett. 59, 755 (1987). https://doi.org/10.1103/PhysRevLett.59.755
12. J.D. Bjorken, S. Ecklund, W.R. Nelson, A. Abashian, C. Church, B. Lu, L.W. Mo, T.A.
Nunamaker, P. Rassmann, Search for neutral metastable penetrating particles produced in
the SLAC beam dump. Phys. Rev. D 38, 3375 (1988). https://doi.org/10.1103/PhysRevD.38.
3375
13. B. Batell, R. Essig, Z. Surujon, Strong constraints on Sub-GeV dark sectors from SLAC beam
dump E137. Phys. Rev. Lett. 113(17), 171802 (2014). arXiv:1406.2698 [hep-ph]. https://doi.
org/10.1103/PhysRevLett.113.171802
14. L. Marsicano, M. Battaglieri, M. Bondi’, C.R. Carvajal, A. Celentano, M. De Napoli,
R. De Vita, E. Nardi, M. Raggi, P. Valente, Dark photon production through positron annihilation in beam-dump experiments. Phys. Rev. D 98(1), 015031 (2018). arXiv:1802.03794
[hep-ex]. https://doi.org/10.1103/PhysRevD.98.015031
15. J. Blumlein, J. Brunner, New exclusion limits for dark gauge forces from beam-dump data.
Phys. Lett. B 701, 155–159 (2011). arXiv:1104.2747 [hep-ex]. https://doi.org/10.1016/j.
physletb.2011.05.046
16. J. Blumlein, J. Brunner, New exclusion limits on dark gauge forces from proton
bremsstrahlung in beam-dump data. Phys. Lett. B731, 320–326 (2014). arXiv:1311.3870
[hep-ph]. https://doi.org/10.1016/j.physletb.2014.02.029
17. S. Gninenko, Constraints on sub-GeV hidden sector gauge bosons from a search for heavy
neutrino decays. Phys. Lett. B 713, 244–248 (2012). arXiv:1204.3583 [hep-ph]. https://doi.
org/10.1016/j.physletb.2012.06.002
18. J.H. Chang, R. Essig, S.D. McDermott, Revisiting supernova 1987A constraints on dark photons. JHEP 01(107) (2017). https://doi.org/10.1007/JHEP01(2017)107. arXiv:1611.03864
[hep-ph]
19. M. Pospelov, Secluded U(1) below the weak scale. Phys. Rev. D 80, 095002 (2009). https://
doi.org/10.1103/PhysRevD.80.095002. arXiv:0811.1030 [hep-ph]
20. Belle-II Collaboration, W. Altmannshofer et al., The Belle II physics book. PTEP 2019(12),
123C01 (2019). https://doi.org/10.1093/ptep/ptz106, https://doi.org/10.1093/ptep/ptaa008.
arXiv:1808.10567 [hep-ex]. [Erratum: PTEP2020,no.2,029201(2020)]
21. P. Ilten, Y. Soreq, J. Thaler, M. Williams, W. Xue, Proposed inclusive dark photon search at
LHCb. Phys. Rev. Lett. 116(25), 251803 (2016). arXiv:1603.08926 [hep-ph]. https://doi.org/
10.1103/PhysRevLett.116.251803