Gamma Factory for CERN initiative - progress report

Dutheil, Yann; Abramov, A.; Alden, Siobhan; Fernandez, Reyes Alemany; Antsiferov, P. S.; Apyan, Armen; Bartosik, Hannes; Bessonov, E. G.; Biancacci, Nicolò; Bieroń, Jacek; Bogacz, Alex; Bosco, A.; Bruce, Roderik; Budker, Dmitry; Cassou, K.; Castelli, F.; Chaikovska, Iryna; Curatolo, C.; Czodrowski, P.; Derevianko, Andrei; Dupraz, Kevin; Dzierzega, Krzystof; Fedosseev, V. N.; Martinez, Nuria Fuster; Gibson, S. M.; Goddard, Brennan; Gorzawski, Arkadiusz; Hirlander, Simon; Jowett, John; Kersevan, R.; Kowalska, Magdalena; Krasny, M. W.; Kroeger, Felix; Küchler, D.; Lamont, Mike; Lefèvre, T.; Manglunki, D.; Marsh, B. A.; Molson, James; Naturelli, Daniele; Nevay, Laurence; Peinaud, Y.; Petrenko, Alexey; Petrillo, Vitoria; Płaczek, W.; Putelny, Szymon; Redaelli, Stefano; Rochester, Simon; Sapinski, Mariusz; Schaumann, Michaela; Scrivens, R.; Serafini, L.; Shevelko, V. P.; Stoehlker, Thomas; Surzhykov, A.; Tolstikhina, I. Yu.; Velotti, Francesco; Weber, G.; Wu, Ying; Vallgren, Christina Yin; Zanetti, M.; Zimmermann, Frank; Zolotorev, M.; Zomer, F.

doi:10.22323/1.364.0020

Cited by 2 publications

(1 citation statement)

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“…The Gamma Factory (GF) is such an initiative, which exploits the Large Hadron Collider (LHC) [9][10][11]. In this proposal, laser light with energy E laser ∼ 10 eV is back-scattered off partially-stripped ions that are accelerated in the LHC to Lorentz factors γ ∼ 200 to 3000.…”

Section: Introductionmentioning

confidence: 99%

Gamma Factory Searches for Extremely Weakly-Interacting Particles

Chakraborti,

Feng,

Koga

et al. 2021

Preprint

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The Gamma Factory is a proposal to back-scatter laser photons off a beam of partially-stripped ions at the LHC, producing a beam of ∼ 10 MeV to 1 GeV photons with intensities of 10 16 to 10 18 s −1 . This implies ∼ 10 23 to 10 25 photons on target per year, many orders of magnitude greater than existing accelerator light sources and also far greater than all current and planned electron and proton fixed target experiments. We determine the Gamma Factory's discovery potential through "dark Compton scattering," γe → eX, where X is a new, weakly-interacting particle. For dark photons and other new gauge bosons with masses in the 1 to 100 MeV range, the Gamma Factory has the potential to discover extremely weakly-interacting particles with just a few hours of data and will probe couplings as low as ∼ 10 −9 with a year of running. The Gamma Factory therefore may probe couplings lower than all other terrestrial experiments and is highly complementary to astrophysical probes. We outline the requirements of an experiment to realize this potential and determine the sensitivity reach for various experimental configurations.

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Section: Introductionmentioning

confidence: 99%