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P-wave dominance in the pd -> 3He pi+ pi- reaction near threshold measured with the MOMO experiment at COSY

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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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F. Bellemann, A. Berg, J. Bisplinghoff, G. Bohlscheid, J. Ernst, C. Henrich, F. Hinterberger, R. Ibald
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R. Jahn, L. Jarczyk, R. Joosten, A. Kozela, H. Machner, A. Magiera, R. Maschuw, T. Mayer-Kuckuk, G. Mertler, J. Munkel, P.von Neumann-Cosel, D. Rosendaal, P. von Rossen, H. Schnitker, K. Scho, J. Smyrski, A. Strzalkowski, R. Toelle, C. Wilkin

Nuclear Experiment · Submitted 24 Dec 1998

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

The authors' main claim The energy and angular distributions show that the reaction is dominated by p-wave pi+ pi- pairs.

how it is stated · asserted 1.00 read the record →

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arXiv IDnucl-ex/9812011 (version 1)
Pith IDGZ5SRY5R, Pith's permanent record of this paper and its review
CitationA. Berg, A. Kozela, A. Magiera, A. Strzalkowski, C. Henrich, C. Wilkin, D. Rosendaal, F. Bellemann, F. Hinterberger, G. Bohlscheid, G. Mertler, H. Machner, H. Schnitker, J. Bisplinghoff, J. Ernst, J. Munkel, J. Smyrski, K. Scho, L. Jarczyk, P.von Neumann-Cosel, P. von Rossen, R. Ibald, R. Jahn, R. Joosten, R. Maschuw, R. Toelle, T. Mayer-Kuckuk. "P-wave dominance in the pd -> 3He pi+ pi- reaction near threshold measured with the MOMO experiment at COSY." arXiv:nucl-ex/9812011 (1998). https://pith.science/paper/GZ5SRY5R
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.

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Compiled by classifier-1.13.0 via TypeSafe API, question bank abstract-p1-20260923, 2026-09-23: 1 request, 3,584 input tokens.

What the abstract itself states, as probabilities: claims first 0.05 · states limitation 0.22 · human participants 0.02 · controlled comparison 0.14 · randomized assignment 0.01 · states quantitative result 0.86 · compares with prior results 0.98 · mentions code or data availability 0.02.

The abstract, sentence by sentence

arXiv listing abstract v1. Results and the main claim are underlined; .

The cross section of the pd -> 3He pi+ pi - reaction has been measured at the MOMO facility in a kinematically complete experiment at a c. m. excess energy of Q = 70 MeV. The energy and angular distributions show that the reaction is dominated by p-wave pi+ pi- pairs. This is in complete contrast to the results of inclusive measurements at somewhat higher energies which show a strong s-wave ABC enhancement at low pi pi masses. There are however indications of p-wave pion pairs from other experiments at low Q.

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 The cross section of the pd -> 3He pi+ pi - reaction has been measured at the MOMO facility in a kinematically complete experiment at a c. m. excess energy of Q = 70 MeV. method 0.51 0.97 0.05 asserted 1.00
s1 The energy and angular distributions show that the reaction is dominated by p-wave pi+ pi- pairs. result 0.92 0.94 0.87 asserted 1.00
s2 This is in complete contrast to the results of inclusive measurements at somewhat higher energies which show a strong s-wave ABC enhancement at low pi pi masses. background 0.45 0.07 0.18 asserted 1.00
s3 There are however indications of p-wave pion pairs from other experiments at low Q. background 0.94 0.13 0.04 hedged possibility 1.00

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

What was examined, and what was not

sources read
  • arXiv listing abstract v1
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

The cross section of the pd -> 3He pi+ pi - reaction has been measured at the MOMO facility in a kinematically complete experiment at a c. m. excess energy of Q = 70 MeV. The energy and angular distributions show that the reaction is dominated by p-wave pi+ pi- pairs. This is in complete contrast to the results of inclusive measurements at somewhat higher energies which show a strong s-wave ABC enhancement at low pi pi masses. There are however indications of p-wave pion pairs from other experiments at low Q.

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