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New limits on spin-independent and spin-dependent couplings of low-mass WIMP dark matter with a germanium detector at a threshold of 220 eV

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Paper breakdownThe authors' claims, conditions and measurements, as JSON Signed receiptProof this review has not been altered
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TEXONO Collaboration: S. T. Lin, et al

High Energy Physics - Experiment · Submitted 11 Dec 2007

abstract compiled · 2026-09-23 · no language-model review

The authors' main claim The limits improve over previous results on both the spin-independent WIMP-nucleon and the spin-dependent WIMP-neutron cross-sections for WIMP mass between 3-6 GeV.

how it is stated · asserted 1.00 read the record →

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arXiv ID0712.1645 (version 4)
Pith IDAGM5DFBR, Pith's permanent record of this paper and its review
Citationet al, TEXONO Collaboration: S. T. Lin. "New limits on spin-independent and spin-dependent couplings of low-mass WIMP dark matter with a germanium detector at a threshold of 220 eV." arXiv:0712.1645 (2007). https://pith.science/paper/AGM5DFBR
Claim paper

The compiled record

The paper's own sentences, arranged. Each label is drawn from a closed vocabulary; the number beside it is the probability the classifier gave that label. Numbers in the tables are the authors', checked by code. No sentence in this record was written by a model.

Open the compiled record

Compiled by classifier-1.13-20260917 via OpenRouter, question bank abstract-p1-20260923, 2026-09-23: 1 request, 5,571 input tokens, $0.0002 reported.

What the abstract itself states, as probabilities: claims first 0.14 · states limitation 0.28 · human participants 0.02 · controlled comparison 0.10 · randomized assignment 0.01 · states quantitative result 0.98 · compares with prior results 0.96 · mentions code or data availability 0.03.

The abstract, sentence by sentence

arXiv listing abstract v4. Results and the main claim are underlined; .

An energy threshold of (220+-10) eV was achieved at an efficiency of 50% with a four-channel ultra-low-energy germanium detector each with an active mass of 5 g. This provides a unique probe to WIMP dark matter with mass below 10 GeV. With a data acquisition live time of 0.338 kg-day at the Kuo-Sheng Laboratory, constraints on WIMPs in the galactic halo were derived. The limits improve over previous results on both the spin-independent WIMP-nucleon and the spin-dependent WIMP-neutron cross-sections for WIMP mass between 3-6 GeV. Sensitivities for full-scale experiments are projected. This detector technique makes the unexplored sub-keV energy window accessible for new neutrino and dark matter experiments. Two appendices are included after Version-3 to address questions raised on trigger and selection efficiencies as well as other issues.

background contribution method result interpretation main claim

What the classifier reports for each sentence. The number is the probability it gave the label.
#sentencerolethe authors' own workstates the main conclusionstrength
s0 An energy threshold of (220+-10) eV was achieved at an efficiency of 50% with a four-channel ultra-low-energy germanium detector each with an active mass of 5 g. method 0.67 0.94 0.06 asserted 1.00
s1 This provides a unique probe to WIMP dark matter with mass below 10 GeV. interpretation 0.96 0.47 0.15 asserted 0.97
s2 With a data acquisition live time of 0.338 kg-day at the Kuo-Sheng Laboratory, constraints on WIMPs in the galactic halo were derived. method 0.87 0.94 0.06 asserted 1.00
s3 The limits improve over previous results on both the spin-independent WIMP-nucleon and the spin-dependent WIMP-neutron cross-sections for WIMP mass between 3-6 GeV. result 0.98 0.94 0.73 asserted 1.00
s4 Sensitivities for full-scale experiments are projected. future work 0.57 0.66 0.04 asserted 0.75
s5 This detector technique makes the unexplored sub-keV energy window accessible for new neutrino and dark matter experiments. interpretation 0.91 0.52 0.12 asserted 0.98
s6 Two appendices are included after Version-3 to address questions raised on trigger and selection efficiencies as well as other issues. contribution 0.35 0.53 0.02 asserted 0.98

What kind of paper the classifier reports this is: empirical study 0.96 · evidence from observation or experiment 1.00.

What was examined, and what was not

sources read
  • arXiv listing abstract v4
not examined
  • full text
  • figures and tables
  • references and citing sentences
  • relations to other papers
levels run
  • P abstract
not run
  • S sections
  • T body sentences
  • C citations
  • R cross-paper relations

Every quoted sentence on this record is the authors'. Every label is from Pith's closed vocabulary, with the probability shown beside it. Every number in the measurements table is the authors', checked by code. Record as JSON

The paper
Original abstract

An energy threshold of (220+-10) eV was achieved at an efficiency of 50% with a four-channel ultra-low-energy germanium detector each with an active mass of 5 g. This provides a unique probe to WIMP dark matter with mass below 10 GeV. With a data acquisition live time of 0.338 kg-day at the Kuo-Sheng Laboratory, constraints on WIMPs in the galactic halo were derived. The limits improve over previous results on both the spin-independent WIMP-nucleon and the spin-dependent WIMP-neutron cross-sections for WIMP mass between 3-6 GeV. Sensitivities for full-scale experiments are projected. This detector technique makes the unexplored sub-keV energy window accessible for new neutrino and dark matter experiments. Two appendices are included after Version-3 to address questions raised on trigger and selection efficiencies as well as other issues.

Human review

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References
How later papers used it

45 later papers cite it

Evidence: substantial. 38 of the citing papers share no author with it, and 17 of those carry a confident label from Pith's citation classifier.

Pith read 29 of the 92 citing sentences, choosing only those whose citation markers point at this paper alone, and wrote the paraphrases from them. The summary, the counts, the evidence level, the links and the quotes come from code; the summary counts the papers listed below. A later paper is listed under a label when Pith's citation classifier gives one of its sentences that label at probability 0.8 or more (0.95 for support), Pith's reading finds that the citing paper itself did it, and a second check confirms the paraphrase against the sentence. This section lists uses only. It does not list criticism or disagreement, so their absence here says nothing about how the paper has been received. Papers that share an author with this one are listed apart, under "By the same authors". A quote is the citing authors' own sentence, shown when their paper's licence is CC BY, CC BY-SA or CC0. JSON

Uses its data or values 5 of 13 papers with this label
Compares with it 1 of 4 papers with this label
How the literature uses it

38 arXiv papers cite this in 75 sentences

Each citing sentence is taken from the citing paper's LaTeX source and typed by Pith's classifier. A label appears at probability 0.8 or more (0.95 for support), a contest at 0.7 or more; the quoted words are the citing authors'. How each label was checked · JSON

Papers whose main result relates to this one's

Found among the papers closest to this one by title and main claim. Pith's classifier compared each pair's main results and a second model family confirmed the relation; checked against two further families, shown conflicts agreed 118 times in 120 and shown same results 218 times in 239. The quoted sentence is the other paper's main claim.

States the same result 1 paper

Papers citing it · 40 sentences without a confident label

Contests it 1 paper
Uses its method or tool 3 papers
Uses its data or values 13 papers
  • Over the energy range of the CoGeNT signal (approximately 0.4 to 2 keVee, where keVee denotes keV electron equivalent), the quenching factors for germanium have been well measured [ref] and are described by $Q_Ge(E_Recoil=3 keV)=0.218$, and with the energy dependence predicted by the Lindhard theory (see Ref. [ref] ).

    Prospects For Identifying Dark Matter With CoGeNT · CoGeNT and Elastically Scattering Dark Matter · 0.94

  • To convert from nuclear recoil energy to the measured ionization energy, we have scaled the results by the quenching factor for germanium as described in Refs. [ref] ($Q_Ge=0.218$ at $E_R=$3 keV, and with the energy dependence predicted by the Lindhard theory [ref] ).

    Toward A Consistent Picture For CRESST, CoGeNT and DAMA · CoGeNT's Event Spectrum · 0.92

  • The TEXONO collaboration has achieved an energy threshold of 220 eVee in four 5 g detectors [ref] , while the CoGeNT collaboration achieved nearly as low a threshold for a run of 8.4 kg days exposure [ref] .

    Introduction to dark matter experiments · Cryogenic Detectors · 0.85

Compares with it 2 papers
Cites it as background 5 papers

Discussion

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