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l W nu production at CLIC: a window to TeV scale non-decoupled neutrinos
High Energy Physics - Phenomenology · Submitted 2 Mar 2005
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim This process could allow to detect heavy neutrinos with masses of 1-2 TeV if their coupling to the electron V_eN is in the range 0.004-0.01.
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The abstract, sentence by sentence
We discuss single heavy neutrino production e+ e- -> N nu -> l W nu, l = e, mu, tau, at a future high energy collider like CLIC, with a centre of mass energy of 3 TeV. This process could allow to detect heavy neutrinos with masses of 1-2 TeV if their coupling to the electron V_eN is in the range 0.004-0.01. We study the dependence of the limits on the heavy neutrino mass and emphasise the crucial role of lepton flavour in the discovery of a positive signal at CLIC energy. We present strategies to determine heavy neutrino properties once they are discovered, namely their Dirac or Majorana character and the size and chirality of their charged current couplings. Conversely, if no signal is found, the bound V_eN < 0.002-0.006 would be set for masses of 1-2 TeV, improving the present limit up to a factor of 30. We also extend previous work examining in detail the flavour and mass dependence of the corresponding limits at ILC, as well as the determination of heavy neutrino properties if they are discovered at this collider.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | We discuss single heavy neutrino production e+ e- -> N nu -> l W nu, l = e, mu, tau, at a future high energy collider like CLIC, with a centre of mass energy of 3 TeV. | contribution 0.97 | 0.46 | 0.08 | asserted 0.84 |
| s1 | This process could allow to detect heavy neutrinos with masses of 1-2 TeV if their coupling to the electron V_eN is in the range 0.004-0.01. | result 0.91 | 0.51 | 0.34 | hedged possibility 1.00 |
| s2 | We study the dependence of the limits on the heavy neutrino mass and emphasise the crucial role of lepton flavour in the discovery of a positive signal at CLIC energy. | contribution 0.93 | 0.85 | 0.17 | asserted 0.96 |
| s3 | We present strategies to determine heavy neutrino properties once they are discovered, namely their Dirac or Majorana character and the size and chirality of their charged current couplings. | contribution 0.96 | 0.80 | 0.10 | asserted 0.96 |
| s4 | Conversely, if no signal is found, the bound V_eN < 0.002-0.006 would be set for masses of 1-2 TeV, improving the present limit up to a factor of 30. | result 0.97 | 0.77 | 0.26 | asserted 0.70 |
| s5 | We also extend previous work examining in detail the flavour and mass dependence of the corresponding limits at ILC, as well as the determination of heavy neutrino properties if they are discovered at this collider. | contribution 0.92 | 0.70 | 0.07 | asserted 0.98 |
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The paper
Original abstract
We discuss single heavy neutrino production e+ e- -> N nu -> l W nu, l = e, mu, tau, at a future high energy collider like CLIC, with a centre of mass energy of 3 TeV. This process could allow to detect heavy neutrinos with masses of 1-2 TeV if their coupling to the electron V_eN is in the range 0.004-0.01. We study the dependence of the limits on the heavy neutrino mass and emphasise the crucial role of lepton flavour in the discovery of a positive signal at CLIC energy. We present strategies to determine heavy neutrino properties once they are discovered, namely their Dirac or Majorana character and the size and chirality of their charged current couplings. Conversely, if no signal is found, the bound V_eN < 0.002-0.006 would be set for masses of 1-2 TeV, improving the present limit up to a factor of 30. We also extend previous work examining in detail the flavour and mass dependence of the corresponding limits at ILC, as well as the determination of heavy neutrino properties if they are discovered at this collider.
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References
How the literature uses it
13 arXiv papers cite this in 17 sentences
Papers citing it · 8 sentences without a confident label
Cites it as background 9 papers
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The signatures observable at lepton colliders have already been discussed in the literature (see e.g. [ref] ), but detailed, quantitative studies taking into account all relevant experimental effects have been missing so far.
Heavy neutrinos at future linear e$^+$e$^-$ colliders · Introduction · 0.87
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The signatures of the heavy neutrinos at lepton colliders have already been broadly discussed in the literature [ref] .
Discriminating Majorana and Dirac heavy neutrinos at lepton colliders · Introduction · 0.97
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While long-distance neutrino oscillation experiments like DUNE or Hyper-Kamiokande will shed more light on the mass hierarchy and the mixing parameters, heavier neutrinos can be directly searched for at hadron colliders such as the LHC and future lepton colliders [ref] .
Optimal search reach for heavy neutral leptons at a muon collider · Introduction · 0.94
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