The FASER Detector

Collaboration, FASER; Abreu, H.; Mansour, Elham Amin; Antel, C.; Ariga, A.; Ariga, T.; Bernlochner, F. U.; Tobias, Boeckh,; Boyd, J.; Brenner, L.; Cadoux, F.; Casper, D.; Cavanagh, Charlotte; Chen, Xin; Coccaro, A.; Crespo-Lopez, Olivier; Débieux, S.; D’Onofrio, M.; Dougherty, Liam R.; Dozen, C.; Ezzat, Abdallah; Favre, Y.; Fellers, Deion Elgin; Feng, Jonathan L.; Ferrère, D.; Galantay, Edward Karl; Gall, J R Le; Gamberini, E.; Gibson, S. M.; González-Sevilla, S.; Gwilliam, C. B.; Hayakawa, D.; Hsu, S.‐C.; Hu, Z.; Iacobucci, G.; Inada, Tomohiro; Jakobsen, S.; Johnson, Eliott; Kajomovitz, E.; Kawahara, H.; Kling, Felix; Köse, U.; Kotitsa, Rafaella; Krusse, Jesse; Kuehn, S.; Lefebvre, Helena; Levinson, L. J.; Li, Ké; Liu, Jinfeng; Magliocca, Chiara; Martinelli, Fulvio; Mcfayden, J. A.; Meehan, S.; Milanesio, Matteo; Miura, Manato; Mladenov, D.; Moretti, Theo; Münker, Magdalena; Nakamura, Mitsuhiro; Nakano, T.; Nessi, M.; Neuhaus, Friedemann; Nevay, Laurie; Osborne, J. P.; Otono, H.; Pandini, C. E.; Pang, Haijun; Paolozzi, L.; Petersen, B. A.; Pietropaolo, F.; Prim, M. T.; Queitsch-Maitland, M.; Resnati, F.; Rizzi, C.; Rokujo, H.; Ruiz-Choliz, Elisa; Salfeld-Nebgen, J.; Galan, F. Sanchez; Sato, Osamu; Scampoli, P.; Schmieden, K.; Schott, M.; Sfyrla, A.; Shively, Savannah; Sipos, Roland; Spencer, J. R.; Takubo, Y.; Tarannum, Noshin; Theiner, Ondřej; Thonet, Pierre; Torrence, E.; Tufanli, S.; Vendeuvre, Camille; Vormwald, B.; Wang, Di; Zambito, S.; Zhang, Gang

doi:10.48550/arxiv.2207.11427

Cited by 13 publications

(25 citation statements)

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“…The FASERnu collaboration [112,113] recently reported the first observations of neutrinos from a collider [114]. This measurement is likely to be the first of many neutrino measurements at the Large Hadron Collider (LHC).…”

Section: Neutrinos From the Lhcmentioning

confidence: 96%

Snowmass Neutrino Frontier Report

Huber¹,

Scholberg²,

Worcester³

et al. 2022

Preprint

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Section: Neutrinos From the Lhcmentioning

confidence: 96%

Snowmass Neutrino Frontier Report

Huber¹,

Scholberg²,

Worcester³

et al. 2022

Preprint

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“…Thus, the characteristic photon energy for these decays within our parameterspace is E γ ≈ γm 0 ∆ ∼ O(10 GeV). A single photon with such an energy can be detected by the calorimeter in either FASER or FASER2 [6].…”

Section: B Signal Ratementioning

confidence: 99%

“…Further details about each component are provided in Ref. [6]. The radius R of the cylindrical decay and tracking volumes, their combined length h along the axial direction of the cylinder, the distance L between the side of the decay volume closest to the ATLAS detector and the ATLAS IP, the value of η F that follows from the values of L and h, and the integrated luminosity L int expected at ATLAS during the corresponding running period are provided in Table I.…”

Section: B Signal Ratementioning

confidence: 99%

“…Two scintillator stations located in front of the decay volume of FASER provide a veto on muons and other charged particles emanating from the direction of the AT-LAS IP, the efficiency of which is around 99.99% for each station individually [6]. As a result, the contribution to the overall background-event rate from such muons is expected to be negligible.…”

Section: Introductionmentioning

confidence: 99%

“…In particular, new physics might be found in the large-pseudorapidity regions, where there is a large flux of SM particles. The ForwArd Search ExpeRiment (FASER) [4][5][6] provides an ideal opportunity for probing this region. FASER is a cylindrical detector placed 480 m from the ATLAS interaction point (IP) along the beam axis.…”

mentioning

confidence: 99%

See 2 more Smart Citations

Extending the Discovery Potential for Inelastic-Dipole Dark Matter with FASER

Feng¹,

Fieg²,

Huang³

et al. 2023

Preprint

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Neutral particles are notoriously difficult to observe through electromagnetic interactions. As a result, they naturally elude detection in most collider detectors. In this paper, we point out that neutral particles that interact through a dipole interaction can nevertheless be detected in farforward detectors designed to search for long-lived particles (LLPs). In contrast to previous analyses that focused on neutral particles with elastic interactions, we consider inelastic interactions. This naturally leads to LLPs, and we demonstrate that FASER (and future experiments at the Forward Physics Facility) will be able to probe substantial regions of the associated parameter space. In particular, we find that FASER is capable of probing the region of parameter space wherein thermal freeze-out gives rise to an O(GeV) dark-matter candidate with the appropriate relic abundance, as well as regions of parameter space that are difficult to probe at fixed-target experiments. FASER and its successor experiments may therefore play a critical role in the discovery of such a dark-matter candidate.

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Effective field theories of axion, ALP and dark photon

Song,

Sun,

2024

J. High Energ. Phys.

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With the help of Young tensor technique, we enumerate the complete and independent set of effective operators up to dim-8 for the extension of the standard model with a Goldstone boson by further imposing the Adler’s zero condition in the soft momentum limit. Such basis can be reduced to describe the axion or majoron effective Lagrangian if further (symmetry) constraints are imposed. Then reformulating dark photon as combination of Goldstone boson and transverse gauge boson, the effective operators of the Goldstone boson can be extended to effective chiral Lagrangian description of the dark photon. For the first time we obtain 0 (0), 6 (44), 1 (1), 44 (356), 32 (520) operators in Goldstone effective field theory, and 9 (49), 0 (0), 108 (676), 10 (426), 1904 (40783) operators in dark photon effective field theory at the dimension 4, 5, 6, 7, 8 for one (three) generation of fermions.

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The FASER Detector

Cited by 13 publications

References 0 publications

Snowmass Neutrino Frontier Report

Snowmass Neutrino Frontier Report

Extending the Discovery Potential for Inelastic-Dipole Dark Matter with FASER

Effective field theories of axion, ALP and dark photon

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