Standard

Observation of ηc(2S)→pp¯ and search for X(3872)→pp¯ decays. / The LHCb Collaboration.

в: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Том 769, 10.06.2017, стр. 305-313.

Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование

Harvard

The LHCb Collaboration 2017, 'Observation of ηc(2S)→pp¯ and search for X(3872)→pp¯ decays', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Том. 769, стр. 305-313. https://doi.org/10.1016/j.physletb.2017.03.046

APA

The LHCb Collaboration (2017). Observation of ηc(2S)→pp¯ and search for X(3872)→pp¯ decays. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 769, 305-313. https://doi.org/10.1016/j.physletb.2017.03.046

Vancouver

The LHCb Collaboration. Observation of ηc(2S)→pp¯ and search for X(3872)→pp¯ decays. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 2017 июнь 10;769:305-313. doi: 10.1016/j.physletb.2017.03.046

Author

The LHCb Collaboration. / Observation of ηc(2S)→pp¯ and search for X(3872)→pp¯ decays. в: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 2017 ; Том 769. стр. 305-313.

BibTeX

@article{edc6d441306b4339a54c58f2766f93b4,
title = "Observation of ηc(2S)→pp¯ and search for X(3872)→pp¯ decays",
abstract = "The first observation of the decay eta(c)(2S) -> p (p) over bar is reported using proton -proton collision data corresponding to an integrated luminosity of 3.0 fb(-1) recorded by the LHCb experiment at centre -of -mass energies of 7 and 8 TeV. The eta c(2S) resonance is produced in the decay B+ [c (c) over bar ]K+. The product of branching fractions normalised to that for the intermediate state, R-eta c,(2s), is measured to beR-eta c,(2s) equivalent to B(B+-> eta c (2S)K+) x B(eta c(2s)(2S) -> p )/B(B+ -> J/psi k(+)) x B(J/psi -> p ) = (1.58 +/- 0.33 +/- 0.09) x 10(-2),where the first uncertainty is statistical and the second systematic. No signals for the decays B+ -> X(3872)(-> p (p) over bar )K+ and B+ psi(3770)(-> p (p) over bar )K+ are seen, and the 95% confidence level upper limits on their relative branching ratios are found to be R-x(3872) <0.25 x 10(-2) and R-psi(3770) <0.10. In addition, the mass differences between the nc(1S) and the J/psi states, between the eta(c)(2S) and the eta(c)(2S) states, and the natural width of the psi(1S) are measured asM-J/psi - M-eta c(7s)= 110.2 +/- 0.5 +/- 0.9 MeV,M psi(2S) - M-eta c (2S) = 52.5 +/- 1.7 +/- 0.6MeV, Gamma(eta c) (1s) = 34.0 +/- 1.9 +/- 1.3 MeV.(C) 2017 Published by Elsevier B.V.",
keywords = "TOOL",
author = "{The LHCb Collaboration} and R. Aaij and B. Adeva and M. Adinolfi and Z. Ajaltouni and S. Akar and J. Albrecht and F. Alessio and M. Alexander and S. Ali and G. Alkhazov and {Alvarez Cartelle}, P. and Alves, {A. A.} and S. Amato and S. Amerio and Y. Amhis and L. An and L. Anderlini and G. Andreassi and M. Andreotti and Andrews, {J. E.} and Appleby, {R. B.} and {Aquines Gutierrez}, O. and F. Archilli and P. d'Argent and {Arnau Romeu}, J. and A. Artamonov and M. Artuso and E. Aslanides and G. Auriemma and M. Baalouch and I. Babuschkin and S. Bachmann and Back, {J. J.} and A. Badalov and C. Baesso and W. Baldini and Barlow, {R. J.} and C. Barschel and S. Barsuk and W. Barter and V. Batozskaya and B. Batsukh and V. Battista and A. Bay and A. Bondar and S. Eidelman and P. Krokovny and V. Kudryavtsev and L. Shekhtman and V. Vorobyev",
year = "2017",
month = jun,
day = "10",
doi = "10.1016/j.physletb.2017.03.046",
language = "English",
volume = "769",
pages = "305--313",
journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",
issn = "0370-2693",
publisher = "Elsevier Science Publishing Company, Inc.",

}

RIS

TY - JOUR

T1 - Observation of ηc(2S)→pp¯ and search for X(3872)→pp¯ decays

AU - The LHCb Collaboration

AU - Aaij, R.

AU - Adeva, B.

AU - Adinolfi, M.

AU - Ajaltouni, Z.

AU - Akar, S.

AU - Albrecht, J.

AU - Alessio, F.

AU - Alexander, M.

AU - Ali, S.

AU - Alkhazov, G.

AU - Alvarez Cartelle, P.

AU - Alves, A. A.

AU - Amato, S.

AU - Amerio, S.

AU - Amhis, Y.

AU - An, L.

AU - Anderlini, L.

AU - Andreassi, G.

AU - Andreotti, M.

AU - Andrews, J. E.

AU - Appleby, R. B.

AU - Aquines Gutierrez, O.

AU - Archilli, F.

AU - d'Argent, P.

AU - Arnau Romeu, J.

AU - Artamonov, A.

AU - Artuso, M.

AU - Aslanides, E.

AU - Auriemma, G.

AU - Baalouch, M.

AU - Babuschkin, I.

AU - Bachmann, S.

AU - Back, J. J.

AU - Badalov, A.

AU - Baesso, C.

AU - Baldini, W.

AU - Barlow, R. J.

AU - Barschel, C.

AU - Barsuk, S.

AU - Barter, W.

AU - Batozskaya, V.

AU - Batsukh, B.

AU - Battista, V.

AU - Bay, A.

AU - Bondar, A.

AU - Eidelman, S.

AU - Krokovny, P.

AU - Kudryavtsev, V.

AU - Shekhtman, L.

AU - Vorobyev, V.

PY - 2017/6/10

Y1 - 2017/6/10

N2 - The first observation of the decay eta(c)(2S) -> p (p) over bar is reported using proton -proton collision data corresponding to an integrated luminosity of 3.0 fb(-1) recorded by the LHCb experiment at centre -of -mass energies of 7 and 8 TeV. The eta c(2S) resonance is produced in the decay B+ [c (c) over bar ]K+. The product of branching fractions normalised to that for the intermediate state, R-eta c,(2s), is measured to beR-eta c,(2s) equivalent to B(B+-> eta c (2S)K+) x B(eta c(2s)(2S) -> p )/B(B+ -> J/psi k(+)) x B(J/psi -> p ) = (1.58 +/- 0.33 +/- 0.09) x 10(-2),where the first uncertainty is statistical and the second systematic. No signals for the decays B+ -> X(3872)(-> p (p) over bar )K+ and B+ psi(3770)(-> p (p) over bar )K+ are seen, and the 95% confidence level upper limits on their relative branching ratios are found to be R-x(3872) <0.25 x 10(-2) and R-psi(3770) <0.10. In addition, the mass differences between the nc(1S) and the J/psi states, between the eta(c)(2S) and the eta(c)(2S) states, and the natural width of the psi(1S) are measured asM-J/psi - M-eta c(7s)= 110.2 +/- 0.5 +/- 0.9 MeV,M psi(2S) - M-eta c (2S) = 52.5 +/- 1.7 +/- 0.6MeV, Gamma(eta c) (1s) = 34.0 +/- 1.9 +/- 1.3 MeV.(C) 2017 Published by Elsevier B.V.

AB - The first observation of the decay eta(c)(2S) -> p (p) over bar is reported using proton -proton collision data corresponding to an integrated luminosity of 3.0 fb(-1) recorded by the LHCb experiment at centre -of -mass energies of 7 and 8 TeV. The eta c(2S) resonance is produced in the decay B+ [c (c) over bar ]K+. The product of branching fractions normalised to that for the intermediate state, R-eta c,(2s), is measured to beR-eta c,(2s) equivalent to B(B+-> eta c (2S)K+) x B(eta c(2s)(2S) -> p )/B(B+ -> J/psi k(+)) x B(J/psi -> p ) = (1.58 +/- 0.33 +/- 0.09) x 10(-2),where the first uncertainty is statistical and the second systematic. No signals for the decays B+ -> X(3872)(-> p (p) over bar )K+ and B+ psi(3770)(-> p (p) over bar )K+ are seen, and the 95% confidence level upper limits on their relative branching ratios are found to be R-x(3872) <0.25 x 10(-2) and R-psi(3770) <0.10. In addition, the mass differences between the nc(1S) and the J/psi states, between the eta(c)(2S) and the eta(c)(2S) states, and the natural width of the psi(1S) are measured asM-J/psi - M-eta c(7s)= 110.2 +/- 0.5 +/- 0.9 MeV,M psi(2S) - M-eta c (2S) = 52.5 +/- 1.7 +/- 0.6MeV, Gamma(eta c) (1s) = 34.0 +/- 1.9 +/- 1.3 MeV.(C) 2017 Published by Elsevier B.V.

KW - TOOL

UR - http://www.scopus.com/inward/record.url?scp=85017212461&partnerID=8YFLogxK

UR - https://www.mendeley.com/catalogue/84379822-b8c7-3362-a780-99d4d892ba5b/

U2 - 10.1016/j.physletb.2017.03.046

DO - 10.1016/j.physletb.2017.03.046

M3 - Article

AN - SCOPUS:85017212461

VL - 769

SP - 305

EP - 313

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

ER -

ID: 9083081