Study of excited Λb 0 states decaying to Λb 0π+π− in proton-proton collisions at s=13TeV

Standard

Study of excited Λ_b ⁰ states decaying to Λ_b ⁰π⁺π⁻ in proton-proton collisions at s=13TeV. / The CMS collaboration.

In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 803, 135345, 10.04.2020.

Research output: Contribution to journal › Article › peer-review

Harvard

The CMS collaboration 2020, 'Study of excited Λ_b ⁰ states decaying to Λ_b ⁰π⁺π⁻ in proton-proton collisions at s=13TeV', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 803, 135345. https://doi.org/10.1016/j.physletb.2020.135345

APA

The CMS collaboration (2020). Study of excited Λ_b ⁰ states decaying to Λ_b ⁰π⁺π⁻ in proton-proton collisions at s=13TeV. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 803, [135345]. https://doi.org/10.1016/j.physletb.2020.135345

Vancouver

The CMS collaboration. Study of excited Λ_b ⁰ states decaying to Λ_b ⁰π⁺π⁻ in proton-proton collisions at s=13TeV. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 2020 Apr 10;803:135345. doi: 10.1016/j.physletb.2020.135345

Author

The CMS collaboration. / Study of excited Λ_b ⁰ states decaying to Λ_b ⁰π⁺π⁻ in proton-proton collisions at s=13TeV. In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 2020 ; Vol. 803.

BibTeX

@article{10c9175f434849ba8189f007f18031df,

title = "Study of excited Λb 0 states decaying to Λb 0π+π− in proton-proton collisions at s=13TeV",

abstract = "A study of excited Λb 0 baryons is reported, based on a data sample collected in 2016–2018 with the CMS detector at the LHC in proton-proton collisions at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of up to 140fb−1. The existence of four excited Λb 0 states: Λb 0(5912)0, Λb 0(5920)0, Λb 0(6146)0, and Λb 0(6152)0 in the Λb 0π+π− mass spectrum is confirmed, and their masses are measured. The Λb 0π+π− mass distribution exhibits a broad excess of events in the region of 6040–6100 MeV, whose origin cannot be discerned with the present data.",

keywords = "Beauty baryon, CMS, Experimental results, Flavor spectroscopy, Heavy baryon, Heavy flavor, Physics, QED RADIATIVE-CORRECTIONS, HEAVY BARYONS, UNIVERSAL MONTE-CARLO, QUARK-MODEL, PHOTOS",

author = "{The CMS collaboration} and Sirunyan, {A. M.} and A. Tumasyan and W. Adam and F. Ambrogi and T. Bergauer and M. Dragicevic and J. Er{\"o} and {Escalante Del Valle}, A. and M. Flechl and R. Fr{\"u}hwirth and M. Jeitler and N. Krammer and I. Kr{\"a}tschmer and D. Liko and T. Madlener and I. Mikulec and N. Rad and J. Schieck and R. Sch{\"o}fbeck and M. Spanring and W. Waltenberger and Wulz, {C. E.} and M. Zarucki and V. Drugakov and V. Mossolov and {Suarez Gonzalez}, J. and Darwish, {M. R.} and {De Wolf}, {E. A.} and {Di Croce}, D. and X. Janssen and T. Kello and A. Lelek and M. Pieters and {Rejeb Sfar}, H. and {Van Haevermaet}, H. and {Van Mechelen}, P. and {Van Putte}, S. and {Van Remortel}, N. and F. Blekman and Bols, {E. S.} and Chhibra, {S. S.} and J. D'Hondt and {De Clercq}, J. and D. Lontkovskyi and A. Barnyakov and V. Blinov and T. Dimova and L. Kardapoltsev and I. Ovtin and Y. Skovpen",

year = "2020",

month = apr,

day = "10",

doi = "10.1016/j.physletb.2020.135345",

language = "English",

volume = "803",

journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",

issn = "0370-2693",

publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Study of excited Λb 0 states decaying to Λb 0π+π− in proton-proton collisions at s=13TeV

AU - The CMS collaboration

AU - Sirunyan, A. M.

AU - Tumasyan, A.

AU - Adam, W.

AU - Ambrogi, F.

AU - Bergauer, T.

AU - Dragicevic, M.

AU - Erö, J.

AU - Escalante Del Valle, A.

AU - Flechl, M.

AU - Frühwirth, R.

AU - Jeitler, M.

AU - Krammer, N.

AU - Krätschmer, I.

AU - Liko, D.

AU - Madlener, T.

AU - Mikulec, I.

AU - Rad, N.

AU - Schieck, J.

AU - Schöfbeck, R.

AU - Spanring, M.

AU - Waltenberger, W.

AU - Wulz, C. E.

AU - Zarucki, M.

AU - Drugakov, V.

AU - Mossolov, V.

AU - Suarez Gonzalez, J.

AU - Darwish, M. R.

AU - De Wolf, E. A.

AU - Di Croce, D.

AU - Janssen, X.

AU - Kello, T.

AU - Lelek, A.

AU - Pieters, M.

AU - Rejeb Sfar, H.

AU - Van Haevermaet, H.

AU - Van Mechelen, P.

AU - Van Putte, S.

AU - Van Remortel, N.

AU - Blekman, F.

AU - Bols, E. S.

AU - Chhibra, S. S.

AU - D'Hondt, J.

AU - De Clercq, J.

AU - Lontkovskyi, D.

AU - Barnyakov, A.

AU - Blinov, V.

AU - Dimova, T.

AU - Kardapoltsev, L.

AU - Ovtin, I.

AU - Skovpen, Y.

PY - 2020/4/10

Y1 - 2020/4/10

N2 - A study of excited Λb 0 baryons is reported, based on a data sample collected in 2016–2018 with the CMS detector at the LHC in proton-proton collisions at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of up to 140fb−1. The existence of four excited Λb 0 states: Λb 0(5912)0, Λb 0(5920)0, Λb 0(6146)0, and Λb 0(6152)0 in the Λb 0π+π− mass spectrum is confirmed, and their masses are measured. The Λb 0π+π− mass distribution exhibits a broad excess of events in the region of 6040–6100 MeV, whose origin cannot be discerned with the present data.

AB - A study of excited Λb 0 baryons is reported, based on a data sample collected in 2016–2018 with the CMS detector at the LHC in proton-proton collisions at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of up to 140fb−1. The existence of four excited Λb 0 states: Λb 0(5912)0, Λb 0(5920)0, Λb 0(6146)0, and Λb 0(6152)0 in the Λb 0π+π− mass spectrum is confirmed, and their masses are measured. The Λb 0π+π− mass distribution exhibits a broad excess of events in the region of 6040–6100 MeV, whose origin cannot be discerned with the present data.

KW - Beauty baryon

KW - CMS

KW - Experimental results

KW - Flavor spectroscopy

KW - Heavy baryon

KW - Heavy flavor

KW - Physics

KW - QED RADIATIVE-CORRECTIONS

KW - HEAVY BARYONS

KW - UNIVERSAL MONTE-CARLO

KW - QUARK-MODEL

KW - PHOTOS

UR - http://www.scopus.com/inward/record.url?scp=85081618676&partnerID=8YFLogxK

U2 - 10.1016/j.physletb.2020.135345

DO - 10.1016/j.physletb.2020.135345

M3 - Article

AN - SCOPUS:85081618676

VL - 803

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

SN - 0370-2693

M1 - 135345

ER -

ID: 23806168