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On the Narrow dip Structure at 1. 9~GeV/c² in Diffractive Photoproduction | Synapse

March 5, 2026Open Access

On the Narrow dip Structure at 1. 9~GeV/c² in Diffractive Photoproduction

Key Points

The research aims to examine the narrow dip structure observed at 1.9 GeV/c² in diffractive photoproduction.
Refitting of E687 data
Analysis of dip structure
Proposal of a mechanism for the observed dip
Exploration of possible interpretations
Identification of a narrow dip at 1.9 GeV/c²
Proposed mechanism explaining the dip
Discussion on potential interpretations of the resonance

Abstract

The narrow dip observed at 1. 9~GeV/c² by the Fermilab experiment E687 in diffractive photoproduction of ~3π^+3π^- is examined. The E687 data are refitted, a mechanism is proposed to explain why this resonance appears as a dip, and possible interpretations are discussed.

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Cite This Study

G. et al. (Mon,) studied this question.

synapsesocial.com/papers/69a91d9bd6127c7a504c082f https://doi.org/https://doi.org/10.15161/oar.it/fejdd-pgz22

Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

1Evidence for a narrouw dip structure at 1.9 GeV/ c^2 in 3pi^+3p^- Diffractive Photoproduction2001
2Light Quark Spectroscopy Results from FOCUS and E6872002
3How does the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>X</mml:mi><mml:mo stretchy="false">(</mml:mo><mml:mn>3872</mml:mn><mml:mo stretchy="false">)</mml:mo></mml:math> show up in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>e</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:msup><mml:mi>e</mml:mi><mml:mo>−</mml:mo></mml:msup></mml:math> collisions: Dip versus peak2024 · 7 citations
4Single and Double Diffractive Production of Dilepton and Photon at LHC2024
5E687 Results on Charm Baryon Decays1993