Measurement of the CKM angle gamma in B ->D(*)0K decays with a Dalitz analysis of D0->KS pi- pi+

B. Aubert; et al; The BABAR Collaboration

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Measurement of the CKM angle gamma in B ->D(*)0K decays with a Dalitz analysis of D0->KS pi- pi+

The BABAR Collaboration, B. Aubert, et al

High Energy Physics - Experiment · Submitted 31 Jul 2006

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

The authors' main claim We measure gamma = (92 +/- 41 +/- 11 +/- 12)deg, where the first error is statistical, the second is the experimental systematic uncertainty and the third reflects the Dalitz model uncertainty.

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arXiv IDhep-ex/0607104 (version 1)

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CitationB. Aubert, et al, The BABAR Collaboration. "Measurement of the CKM angle gamma in B ->D(*)0K decays with a Dalitz analysis of D0->KS pi- pi+." arXiv:hep-ex/0607104 (2006). https://pith.science/paper/AGUT73F2

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What the abstract itself states, as probabilities: claims first 0.03 · states limitation 0.97 · human participants 0.02 · controlled comparison 0.03 · randomized assignment 0.01 · states quantitative result 0.99 · compares with prior results 0.05 · mentions code or data availability 0.02.

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We present a measurement of the Cabibbo-Kobayashi-Maskawa CP-violating phase gamma with a Dalitz analysis of neutral D-meson decays to the K^0_s pi^- pi^+ final state from B^+/- -> D^{(*)}K^+/- decays, using a sample of 347 million B\bar{B} events collected by the BaBar detector. We measure gamma = (92 +/- 41 +/- 11 +/- 12)deg, where the first error is statistical, the second is the experimental systematic uncertainty and the third reflects the Dalitz model uncertainty. For the ratios r_B^{(*)} between the magnitudes of amplitudes A(B- -> D^{(*)0}K-) and A(B- ->\bar{D}^{(*)0} K-) we obtain the one-standard deviation intervals [0,0.14] and [0.02,0.20], respectively. All results presented here are preliminary.

background contribution method result interpretation main claim

What the classifier reports for each sentence. The number is the probability it gave the label.
#	sentence	role	the authors' own work	states the main conclusion	strength
s0	We present a measurement of the Cabibbo-Kobayashi-Maskawa CP-violating phase gamma with a Dalitz analysis of neutral D-meson decays to the K^0_s pi^- pi^+ final state from B^+/- -> D^{(*)}K^+/- decays, using a sample of 347 million B\bar{B} events collected by the BaBar detector.	contribution 0.94	0.96	0.15	asserted 1.00
s1	We measure gamma = (92 +/- 41 +/- 11 +/- 12)deg, where the first error is statistical, the second is the experimental systematic uncertainty and the third reflects the Dalitz model uncertainty.	result 1.00	0.98	0.86	asserted 1.00
s2	For the ratios r_B^{()} between the magnitudes of amplitudes A(B- -> D^{()0}K-) and A(B- ->\bar{D}^{(*)0} K-) we obtain the one-standard deviation intervals [0,0.14] and [0.02,0.20], respectively.	result 1.00	0.96	0.06	asserted 1.00
s3	All results presented here are preliminary.	limitation 1.00	0.17	0.02	asserted 0.95

What kind of paper the classifier reports this is: empirical study 1.00 · evidence from observation or experiment 0.51.

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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

We present a measurement of the Cabibbo-Kobayashi-Maskawa CP-violating phase gamma with a Dalitz analysis of neutral D-meson decays to the K^0_s pi^- pi^+ final state from B^+/- -> D^{(*)}K^+/- decays, using a sample of 347 million B\bar{B} events collected by the BaBar detector. We measure gamma = (92 +/- 41 +/- 11 +/- 12)deg, where the first error is statistical, the second is the experimental systematic uncertainty and the third reflects the Dalitz model uncertainty. For the ratios r_B^{(*)} between the magnitudes of amplitudes A(B- -> D^{(*)0}K-) and A(B- ->\bar{D}^{(*)0} K-) we obtain the one-standard deviation intervals [0,0.14] and [0.02,0.20], respectively. All results presented here are preliminary.

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References

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Cited by 2 Pith papers

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

SuperB: A High-Luminosity Asymmetric e+ e- Super Flavor Factory. Conceptual Design Report
hep-ex 2007-09 conditional novelty 6.0 of 10

A design study argues that a low-emittance, ILC-derived asymmetric e+e- ring with a crabbed-waist final focus can deliver 10^36 cm^-2 s^-1 luminosity at B-Factory-scale power, enabling percent-level flavour-physics tests.
Averages of b-hadron properties at the end of 2006
hep-ex 2007-04 accept novelty 4.0 of 10

HFAG's end-2006 compilation fixes the reference values for b-hadron lifetimes, mixing, semileptonic and rare-decay branching fractions, and CP asymmetries, with all known correlations folded in.

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7 arXiv papers cite this in 8 sentences

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Papers whose main result relates to this one's

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States the same result 1 paper

We report on the measurement of the Cabibbo-Kobayashi-Maskawa angle gamma through a Dalitz analysis of neutral D decays to K0s pi- pi+ in the processes B-+ -> D^(*) K-+ and B-+ -> D K^*-+, D^* -> D pi0, D gamma, with the Babar detector at the SLAC PEP-II e^+ e^- asymmetric-energy collider.

Measurement of the CKM angle gammma with B-+ ->D^(*)[K0s pi- pi+]K^(*)-+ decays in BaBar · 0.85

Papers citing it · 5 sentences without a confident label

Uses its method or tool 1 paper

The binning used for the preliminary CLEO-c results presented here is based on the BaBar isobar model [ref] .

Dalitz Analyses in Charm · CLEO-c and $B^± →D(K_S ππ)K^±$ · 0.95

Uses its data or values 2 papers

From these parameters, a frequentist approach based on $n$-D Neyman confidence regions is used to obtain $r_B$, $δ_B$ and $γ$. obtains $r_B<0.142$ and $r_B^*∈[0.016-0.206]$ [ref] .

Measurements of the CKM angle gamma at BABAR · The GGSZ method · 0.90
The analysis of the BaBar collaboration [ref] is based on $347 ×10^6 BB̅$ pairs.

Angles from B Decays with Charm: Summary of Working Group 5 of the CKM Workshop 2006 · Measurements of $γ$ · 0.93

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