SciPost Submission Page
High Energy Neutrino Studies in the forward direction with FASER experiment at the LHC
by Osamu Sato
Submission summary
| Authors (as registered SciPost users): | Osamu Sato |
| Submission information | |
|---|---|
| Preprint Link: | https://arxiv.org/abs/2410.22878v1 (pdf) |
| Date submitted: | 2024-10-31 05:29 |
| Submitted by: | Sato, Osamu |
| Submitted to: | SciPost Physics Proceedings |
| Proceedings issue: | 22nd International Symposium on Very High Energy Cosmic Ray Interactions (ISVHECRI 2024) |
| Ontological classification | |
|---|---|
| Academic field: | Physics |
| Specialties: |
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| Approaches: | Experimental, Observational |
Abstract
The FASER experiment studies the neutral decay products from LHC collision of 13.6 TeV centre of mass energy at 480m distant away. There could be Beyond Standard Model (BSM) particles such like dark photons or axion like particles etc.., and also high energy neutrinos. The neutrino target is an Emulsion Cloud Chamber with tungsten plates who can measure all three neutrino flavours with clear separation. Recently, FASER has measured the muon and electron neutrino cross-section with a nucleon as $ \sigma(\nu_{e} + N) = 1.2^{+0.8}_{-0.7}\times 10^{-38} cm^{2}/GeV$ and $ \sigma(\nu_{\mu} + N) = 0.5 \pm{0.2}\times 10^{-38} cm^{2}/GeV$ in the unexplored energy region of a few hundred GeV to a few TeV so far.
Current status:
Reports on this Submission
Strengths
The paper presents interesting results about neutrino production at colliders
Weaknesses
The main weakness of the paper lies in the often unclear linguistic presentation.
Report
The paper needs a revision to be acceptable for publication in SciPost. It is not the task of a referee to improve the English for better understanding, however, I will make some suggestions anyway at the most critical parts and strongly urge the author a organise an internal (language) review.
Requested changes
Abstract:
• who can measure → capable of measuring
• units, such as cm2/GeV should be written in roman style, not in italic
p2, section 1:
First sentence is grammatically incorrect, suggest:
The K/π meson production rate in high-energy proton-nucleus interactions is an important parameter to understand and to resolve the too high rate of high-energy cosmic ray muons in the few EeV energy range.
Faser experiment → The FASER experiment ...
focussing on high energy neutrino study → focus on high energy neutrinos studied with the FASER experiment
Section 2.1:
First sentence is odd. Suggest:
The FASER detector is very compact to enable measuring in the forward direction near the beam axis.
The detector have two parts... → The detector has two parts, one is a neutrino target in front and the other is a electronic...magnetic...
crosssection → cross section
interacted product charged tracks → tracks of produced charged particles ...
radiator for electron → radiator for electrons
electro magnetic → electromagnetic
a charged lepton is produced at the interaction point. 3 type of neutrino produced electron, mu and tau in CC. → charged leptons are produced at the interaction point, comprising electrons, muons and tau-particles.
separate from background or charged lepton, so neutrino flavour identification. → discriminate background from charged leptons, thereby enabling neutrino flavour identification.
di-pole magnets → dipole magnets
silicon stripe → silicon strip
Section 2.2
FASER collecting → FASER collected ...
from μneutrino CC → from \nu_\mu CC interactions
Section 3.1
mrad, And extrapolate... → mrad and the extrapolated position in front of the veto ...
What is "GENIE simulation"? Please explain or provide a reference.
Observed event was 153+13−12 events by unblind the data. → After unblinding, 153+- events were observed in the data.
"collider neutrinos" is slang → neutrinos produced at colliders
detail can be → details can be...
Please improve the quality of Fig2, the labels in this pixel graphics are unreadable
Section 3.2
I don't understand: "vacuum packed each 10 film and tungsten plates"
I don't understand what is meant with: "muon like charged particles, i.e. not electro magnetic particles"
dP/P 30% → dp/dp≈30%
density, The → density. The
I don't understand the sentence: "The ,momentum of 300..."
Same with the next sentence: "For energy determination on ...."
last line of 3.2: again, please use roman letters for units, such as cm2/GeV
Section 4:
"...continue to the at the end of LHC-RUN3 (up to 2025 ) In total" → "continue during the LHC-Run3 period until 2025. In total...."
"A few tenth tau..." → "A few tens of $ν_\tau" CC neutrino interactions will be observed and the tau neutrino cross section will be measured, allowing to measure the neutrino nucleon interaction cross section of all 3 neutrino flavours."
Figure 4 again is unreadable
Also the caption needs revision
Figure 5 is unreadable
Recommendation
Ask for major revision