Model-independent study of structure in $B^+\to D^+D^-K^+$ decays

R Aaij; M Adinolfi; S Bhasin; P Camargo Magalhaes; M G Chapman; J M Kariuki; R Lane; S Maddrell-Mander; L R Madhan Mohan; P Naik; D P O'Hanlon; K Petridis; G J Pomery; J J Velthuis; R Wang; B D C Westhenry; M Whitehead; G Zunica; et al.; LHCb Collaboration

doi:10.1103/PhysRevLett.125.242001

Model-independent study of structure in $B^+\to D^+D^-K^+$ decays

R Aaij, M Adinolfi, S Bhasin, P Camargo Magalhaes, M G Chapman, J M Kariuki, R Lane, S Maddrell-Mander, L R Madhan Mohan, P Naik, D P O'Hanlon, K Petridis, G J Pomery, J J Velthuis, R Wang, B D C Westhenry, M Whitehead, G Zunica, et al., LHCb Collaboration

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Abstract

The only anticipated resonant contributions to B+→D+D−K+ decays are charmonium states in the D+D− channel. A model-independent analysis, using LHCb proton-proton collision data taken at center-of-mass energies of √s=7, 8, and 13 TeV, corresponding to a total integrated luminosity of 9 fb−1, is carried out to test this hypothesis. The description of the data assuming that resonances only manifest in decays to the D+D− pair is shown to be incomplete. This constitutes evidence for a new contribution to the decay, potentially one or more new charm-strange resonances in the D−K+ channel with masses around 2.9 GeV/c2.

Original language	English
Article number	242001
Number of pages	10
Journal	Physical Review Letters
Volume	125
Issue number	24
DOIs	https://doi.org/10.1103/PhysRevLett.125.242001
Publication status	Published - 7 Dec 2020

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10.1103/PhysRevLett.125.242001

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Bristol Consolidated Grant 2015-9
Goldstein, J.
1/10/15 → 31/03/21
Project: Research

Professor Jonas H Rademacker
- Jonas.Rademacker@bristol.ac.uk
- School of Physics - Professor of Physics
Person: Academic

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Aaij, R., Adinolfi, M., Bhasin, S., Camargo Magalhaes, P., Chapman, M. G., Kariuki, J. M., Lane, R., Maddrell-Mander, S., Madhan Mohan, L. R., Naik, P., O'Hanlon, D. P., Petridis, K., Pomery, G. J., Velthuis, J. J., Wang, R., Westhenry, B. D. C., Whitehead, M., Zunica, G., al., E., & LHCb Collaboration (2020). Model-independent study of structure in $B^+\to D^+D^-K^+$ decays. Physical Review Letters, 125(24), [242001]. https://doi.org/10.1103/PhysRevLett.125.242001

Aaij, R ; Adinolfi, M ; Bhasin, S ; Camargo Magalhaes, P ; Chapman, M G ; Kariuki, J M ; Lane, R ; Maddrell-Mander, S ; Madhan Mohan, L R ; Naik, P ; O'Hanlon, D P ; Petridis, K ; Pomery, G J ; Velthuis, J J ; Wang, R ; Westhenry, B D C ; Whitehead, M ; Zunica, G ; al., et ; LHCb Collaboration. / Model-independent study of structure in $B^+\to D^+D^-K^+$ decays. In: Physical Review Letters. 2020 ; Vol. 125, No. 24.

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title = "Model-independent study of structure in $B^+\to D^+D^-K^+$ decays",

abstract = "The only anticipated resonant contributions to B+→D+D−K+ decays are charmonium states in the D+D− channel. A model-independent analysis, using LHCb proton-proton collision data taken at center-of-mass energies of √s=7, 8, and 13 TeV, corresponding to a total integrated luminosity of 9 fb−1, is carried out to test this hypothesis. The description of the data assuming that resonances only manifest in decays to the D+D− pair is shown to be incomplete. This constitutes evidence for a new contribution to the decay, potentially one or more new charm-strange resonances in the D−K+ channel with masses around 2.9 GeV/c2.",

author = "R Aaij and M Adinolfi and S Bhasin and {Camargo Magalhaes}, P and Chapman, {M G} and Kariuki, {J M} and R Lane and S Maddrell-Mander and {Madhan Mohan}, {L R} and P Naik and O'Hanlon, {D P} and K Petridis and Pomery, {G J} and Rademacker, {J H} and Velthuis, {J J} and R Wang and Westhenry, {B D C} and M Whitehead and G Zunica and et al. and {LHCb Collaboration}",

year = "2020",

month = dec,

day = "7",

doi = "10.1103/PhysRevLett.125.242001",

language = "English",

volume = "125",

journal = "Physical Review Letters",

issn = "0031-9007",

publisher = "American Physical Society (APS)",

number = "24",

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Aaij, R, Adinolfi, M , Bhasin, S, Camargo Magalhaes, P, Chapman, MG, Kariuki, JM, Lane, R, Maddrell-Mander, S, Madhan Mohan, LR , Naik, P, O'Hanlon, DP, Petridis, K, Pomery, GJ, Velthuis, JJ , Wang, R , Westhenry, BDC, Whitehead, M, Zunica, G, al., E & LHCb Collaboration 2020, 'Model-independent study of structure in $B^+\to D^+D^-K^+$ decays', Physical Review Letters, vol. 125, no. 24, 242001. https://doi.org/10.1103/PhysRevLett.125.242001

Model-independent study of structure in $B^+\to D^+D^-K^+$ decays. / Aaij, R; Adinolfi, M ; Bhasin, S; Camargo Magalhaes, P; Chapman, M G; Kariuki, J M; Lane, R; Maddrell-Mander, S; Madhan Mohan, L R ; Naik, P; O'Hanlon, D P; Petridis, K; Pomery, G J; Velthuis, J J ; Wang, R ; Westhenry, B D C; Whitehead, M; Zunica, G; al., et; LHCb Collaboration.

In: Physical Review Letters, Vol. 125, No. 24, 242001, 07.12.2020.

Research output: Contribution to journal › Article (Academic Journal) › peer-review

TY - JOUR

T1 - Model-independent study of structure in $B^+\to D^+D^-K^+$ decays

AU - Aaij, R

AU - Adinolfi, M

AU - Bhasin, S

AU - Camargo Magalhaes, P

AU - Chapman, M G

AU - Kariuki, J M

AU - Lane, R

AU - Maddrell-Mander, S

AU - Madhan Mohan, L R

AU - Naik, P

AU - O'Hanlon, D P

AU - Petridis, K

AU - Pomery, G J

AU - Rademacker, J H

AU - Velthuis, J J

AU - Wang, R

AU - Westhenry, B D C

AU - Whitehead, M

AU - Zunica, G

AU - al., et

AU - LHCb Collaboration

PY - 2020/12/7

Y1 - 2020/12/7

N2 - The only anticipated resonant contributions to B+→D+D−K+ decays are charmonium states in the D+D− channel. A model-independent analysis, using LHCb proton-proton collision data taken at center-of-mass energies of √s=7, 8, and 13 TeV, corresponding to a total integrated luminosity of 9 fb−1, is carried out to test this hypothesis. The description of the data assuming that resonances only manifest in decays to the D+D− pair is shown to be incomplete. This constitutes evidence for a new contribution to the decay, potentially one or more new charm-strange resonances in the D−K+ channel with masses around 2.9 GeV/c2.

AB - The only anticipated resonant contributions to B+→D+D−K+ decays are charmonium states in the D+D− channel. A model-independent analysis, using LHCb proton-proton collision data taken at center-of-mass energies of √s=7, 8, and 13 TeV, corresponding to a total integrated luminosity of 9 fb−1, is carried out to test this hypothesis. The description of the data assuming that resonances only manifest in decays to the D+D− pair is shown to be incomplete. This constitutes evidence for a new contribution to the decay, potentially one or more new charm-strange resonances in the D−K+ channel with masses around 2.9 GeV/c2.

U2 - 10.1103/PhysRevLett.125.242001

DO - 10.1103/PhysRevLett.125.242001

M3 - Article (Academic Journal)

C2 - 33412030

VL - 125

JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

IS - 24

M1 - 242001

ER -

Model-independent study of structure in $B^+\to D^+D^-K^+$ decays

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Professor Jonas H Rademacker

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