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Is the X(3872) production cross section at sqrt[s]=1.96 TeV compatible with a Hadron molecule interpretation?
C Bignamini1, B Grinstein, F Piccinini
1INFN Pavia, Via A. Bassi 6, Pavia, I-27100, Italy.
Physical Review Letters
|November 13, 2009
Summary
The X(3872) exotic hadron is likely a molecule composed of D0 and D*0 particles. This study estimates its production rate at the Fermilab Tevatron, comparing it with experimental data.
Area of Science:
- Particle Physics
- Hadron Spectroscopy
Background:
- The X(3872) is classified as an exotic hadron, challenging conventional quark models.
- Its internal structure remains a subject of theoretical debate.
Purpose of the Study:
- To investigate the molecular hypothesis for the X(3872) by estimating its prompt production cross section.
- To quantitatively assess the D0D(*0) molecular interpretation using experimental data.
Main Methods:
- Theoretical estimation of the prompt production cross section for the X(3872) assuming a D0D(*0) molecular state.
- Comparison of the estimated cross section with experimental data from the Collider Detector at Fermilab (CDF).
Main Results:
- The study provides quantitative constraints on the D0D(*0) molecular model of the X(3872).
- A comparison with CDF data offers compelling evidence for or against this molecular interpretation.
Conclusions:
- The findings allow for significant conclusions regarding the nature of the X(3872) as a molecular state.
- This research contributes to understanding exotic hadrons and their production mechanisms.
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