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First Measurement of $\Gamma(D*+)$

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arxiv hep-ex/0108013 v1 pith:SWM7UIR3 submitted 2001-08-07 hep-ex

S. Ahmed , et al. (CLEO Collaboration) This is my paper · ORCID
classification hep-ex
keywords decayenergyfirstmeasuremeasurementmethodreleasestatistical
verification ladder T0 review T1 audit T2 compute T3 formal
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We present the first measurement of the D*+ width using 9/fb of e+e- data collected near the Upsilon(4S) resonance by the CLEO II.V detector. Our method uses advanced tracking techniques and a reconstruction method that takes advantage of the small vertical size of the CESR beam spot to measure the energy release distribution from the D*+ -> D0 pi+ decay. We find the D*+ width equals 96+/-4(Statistical)+/-22(Systematic) keV. We also measure the energy release in the decay and compute m(D*+)-m(D0) = 145.412+/-0.002(Statistical)+/-0.012(Systematic) MeV/c**2.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Electromagnetic polarizabilities of the triplet hadrons in heavy hadron chiral perturbation theory

    hep-ph 2026-02 unverdicted novelty 7.0 of 10

    Heavy hadron chiral perturbation theory predicts giant electric polarizabilities for D star mesons from near-degenerate pion thresholds and flavor-dependent values for doubly heavy baryons.

  2. Possible $\bar{D}^{(*)} \Xi_{cc}^{(*)}$ and $\Xi_{cc}^{(*)}\Xi_{cc}^{(*)}$ molecules as superflavor partners of $T_{cc}$

    hep-ph 2026-03 conditional novelty 6.0 of 10

    Using one-boson-exchange potentials and superflavor symmetry, the authors predict many hadronic molecules of charmed mesons and doubly charmed baryons as partners of the Tcc tetraquark.

  3. Production mechanism of doubly charmed exotic mesons $T_{cc}$

    hep-ph 2025-07 conditional novelty 4.0 of 10

    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.

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