Deep inelastic scattering at the energy frontier

Klein, M.

doi:10.1002/andp.201500252

Cited by 36 publications

(22 citation statements)

References 19 publications

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“…Electron-proton colliders provide an environment where the SM can be tested at higher centre-ofmass energies compared to electron-positron colliders, with comparably low rates of background. In the following we consider the Large Hadron electron Collider (LHeC) [9,10,24] and the Future Circular Collider in hadron-electron collision mode (FCC-he) [11,25] for the search of the heavy neutrinos. The LHeC makes utilizes the 7-TeV proton beam of the LHC and a 60-GeV electron beam with up to 80% polarization, to achieve a centre-of-mass energy close to 1.3 TeV with a total of 1 ab −1 integrated luminosity, while the FCC-he would collide the same electron beam with the 50-TeV proton beam from the FCC, resulting in the centre-of-mass energy close to 3.5 TeV reaching 3 ab −1 integrated luminosity.…”

Section: Search Strategymentioning

confidence: 99%

“…An interesting way to improve the prospects for discovering heavy neutrinos at the LHC may be the Large Hadron electron Collider (LHeC) [9,10], envisioned to be operated simultaneously, and without interference with the hadron-hadron collisions, at ∼1.3 TeV centre-of-mass energy and could provide a total integrated luminosity of 1 ab −1 . It would provide valuable improvements to the PDF sets [11] and thus reduce the PDF-associated systematic uncertainties, and also significantly improve some of the Higgs measurements to the subpercent level [12,13]. First discussions of searches for heavy neutrinos at an LHeC-like collider include lepton number violating signatures [14][15][16], while ref.…”

Section: Introductionmentioning

confidence: 99%

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Lepton-trijet and displaced vertex searches for heavy neutrinos at future electron-proton colliders

Antusch

Fischer

Hammad

2020

J. High Energ. Phys.

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Electron proton (ep) colliders could provide particle collisions at TeV energies with large data rates while maintaining the clean and pile up-free environment of lepton colliders, which makes them very attractive for heavy neutrino searches. Heavy (mainly sterile) neutrinos with masses around the electroweak scale are proposed in low scale seesaw models for neutrino mass generation. In this paper, we analyse two of the most promising signatures of heavy neutrinos at ep colliders, the lepton-flavour violating (LFV) lepton-trijet signature and the displaced vertex signature. In the considered benchmark model, we find that for heavy neutrino masses around a few hundred GeV, the LFV lepton-trijet signature at ep colliders yields the best sensitivity of all currently discussed heavy neutrino signatures (analysed at the reconstructed level) up to now.

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Section: Search Strategymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Lepton-trijet and displaced vertex searches for heavy neutrinos at future electron-proton colliders

Antusch

Fischer

Hammad

2020

J. High Energ. Phys.

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“…The resulting facility is the Large Hadron electron Collider (LHeC) [7] which can be operated concurrently to the LHC at ∼1.2 TeV centre-of-mass energy with a total integrated luminosity of 1 ab −1 . One of its prime objectives is the improvement of the PDF sets which would ameliorate many LHC studies [2]. This can be expected to significantly reduce the PDF-associated systematic uncertainties of LHC Higgs precision studies and also provide a very important input for many exotic BSM studies [2].…”

Section: Introductionmentioning

confidence: 99%

Prospects for heavy scalar searches at the LHeC

Rose

Fischer

Hammad

2019

Int. J. Mod. Phys. A

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In this article we study the prospects of the proposed Large Hadron electron Collider (LHeC) in the search for heavy neutral scalar particles. We consider a minimal model with one additional complex scalar singlet that interacts with the Standard Model (SM) via mixing with the Higgs doublet, giving rise to a SM-like Higgs boson h1 and a heavy scalar particle h2. Both scalar particles are produced via vector boson fusion and can be tested via their decays into pairs of SM particles, analogously to the SM Higgs boson. Using multivariate techniques we show that the LHeC is sensitive to h2 with masses between 200 and 800 GeV down to scalar mixing of sin 2 α ∼ 10 −3 . arXiv:1809.04321v2 [hep-ph]

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“…It also represented the world's cleanest, high resolution microscope for exploring the substructure of hadronic matter and parton dynamics at smallest dimensions which also complements the LHC proton-proton (pp) and heavy-ion (AA and pA) physics. The genuine deep inelastic electron-hadron scattering programme of the LHeC [2] is of unprecedented richness. It may lead to beyond the Standard Model through discoveries in ep interactions in the new energy regime and as well through the clarification of proton structure effects in the region of very high mass, corresponding to large Bjorken x, in pp interactions.…”

Section: Introductionmentioning

confidence: 99%

PERLE. Powerful energy recovery linac for experiments. Conceptual design report

Angal-Kalinin

Arduini

Auchmann

et al. 2018

J. Phys. G: Nucl. Part. Phys.

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A conceptual design is presented of a novel energy-recovering linac (ERL) facility for the development and application of the energy recovery technique to linear electron accelerators in the multi-turn, large current and large energy regime. The main characteristics of the powerful energy recovery linac experiment facility (PERLE) are derived from the design of the Large Hadron electron Collider, an electron beam upgrade under study for the LHC, for which it would be the key 11 Author to whom any correspondence should be addressed.Original content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. demonstrator. PERLE is thus projected as a facility to investigate efficient, high current (HC) (>10 mA) ERL operation with three re-circulation passages through newly designed SCRF cavities, at 801.58 MHz frequency, and following deceleration over another three re-circulations. In its fully equipped configuration, PERLE provides an electron beam of approximately 1 GeV energy. A physics programme possibly associated with PERLE is sketched, consisting of high precision elastic electron-proton scattering experiments, as well as photo-nuclear reactions of unprecedented intensities with up to 30 MeV photon beam energy as may be obtained using Fabry-Perot cavities. The facility has further applications as a general technology test bed that can investigate and validate novel superconducting magnets (beam induced quench tests) and superconducting RF structures (structure tests with HC beams, beam loading and transients). Besides a chapter on operation aspects, the report contains detailed considerations on the choices for the SCRF structure, optics and lattice design, solutions for arc magnets, source and injector and on further essential components. A suitable configuration derived from the here presented design concept may next be moved forward to a technical design and possibly be built by an international collaboration which is being established.

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Deep inelastic scattering at the energy frontier

Cited by 36 publications

References 19 publications

Lepton-trijet and displaced vertex searches for heavy neutrinos at future electron-proton colliders

Lepton-trijet and displaced vertex searches for heavy neutrinos at future electron-proton colliders

Prospects for heavy scalar searches at the LHeC

PERLE. Powerful energy recovery linac for experiments. Conceptual design report

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