REVIEW 8 cited by
First measurement of near-threshold J/$\psi $ exclusive photoproduction off the proton
Not yet reviewed by Pith; the record is open.
This paper has not been read by Pith yet. Machine review is queued; the pith claim, tier, and objections will appear here once it completes.
SPECIMEN: schema-true, not a live event
T0 review · schema-true
One-sentence machine reading of the paper's core claim.
pith:XXXXXXXX · record.json · timestamp
abstract
We report on the measurement of the $\gamma p \rightarrow J/\psi p$ cross section from $E_\gamma = 11.8$ GeV down to the threshold at $8.2$ GeV using a tagged photon beam with the GlueX experiment. We find the total cross section falls toward the threshold less steeply than expected from two-gluon exchange models. The differential cross section $d\sigma /dt$ has an exponential slope of $1.67 \pm 0.39$ GeV$^{-2}$ at $10.7$ GeV average energy. The LHCb pentaquark candidates $P_c^+$ can be produced in the $s$-channel of this reaction. We see no evidence for them and set model-dependent upper limits on their branching fractions $\mathcal{B}(P_c^+ \rightarrow J/\psi p)$ and cross sections $\sigma(\gamma p \to P_c^+)\times\mathcal{B}(P_c^+ \to J/\psi p) $.
Forward citations
Cited by 8 Pith papers
-
Spin resummation of heavy quarkonium photoproduction: from the gluonic gravitational form factors to the holographic pomeron
Spin-resummed holographic QCD unifies near-threshold GFF and high-energy pomeron regimes for heavy quarkonium photoproduction and shows fixed-spin GFF extraction is not controlled.
-
Momentum-projected hadron entanglement from lattice-QCD replica correlators
The vacuum-subtracted Rényi response of a momentum-projected hadron equals 1/(1-n) times the log of a replicated source-sink correlator on the cut geometry divided by the n-th power of the ordinary correlator.
-
GUMP1.0 -- First global extraction of generalized parton distributions from experiment and lattice data with NLO accuracy
A new global extraction, GUMP1.0, fits generalized parton distributions to 2,646 experimental and lattice data points at NLO accuracy and uses them to image the proton and decompose its spin.
-
ZS-Puffin: Design, Modeling and Implementation of an Unmanned Aerial-Aquatic Vehicle with Amphibious Wings
An unmanned aerial-aquatic prototype uses a single-pitch-axis amphibious wing for lift in air and flapping propulsion underwater, driven by an artificial central pattern generator.
-
Double-strangeness hidden-charm pentaquarks
A coupled-channel calculation predicts five narrow negative-parity and three broad positive-parity double-strangeness hidden-charm pentaquark states.
-
AI-powered full-data set search for new physics in ultraperipheral and diffractive events
Autoencoders trained on simulated known UPC processes flag injected J/psi to 4 pi and pentaquark events with high reported purity in toy ALICE-like data.
-
Production mechanism of doubly charmed exotic mesons $T_{cc}$
A coupled-channel model generates the Tcc(3875)+ as an isovector DD* molecule and predicts three additional J=1 tetraquark states, including a negative-parity resonance.
-
Three-dimensional imaging of hadrons with hard exclusive reactions: advances in experiment, theory, phenomenology, and lattice QCD
A community white paper reviewing GPD-based 3D imaging of hadrons — experiment, theory, phenomenology, lattice QCD — and the roadmap toward precision tomography at JLab, COMPASS, J-PARC, and future electron-ion colliders.
Discussion (0). Sign in to comment.