Observation of Two Resonances in the Λ b 0 π ± Systems and Precise Measurement of Σ b ± and Σ b * ± Properties

Aaij, R; Abellán Beteta, C; Adeva, B; Adinolfi, M; Aidala, CA; Ajaltouni, Z; Akar, S; Albicocco, P; Albrecht, J; Alessio, F; Alexander, M; Alfonso Albero, A; Alkhazov, G; Alvarez Cartelle, P; Alves, AA; Amato, S; Amerio, S; Amhis, Y; An, L; Anderlini, L; Andreassi, G; Andreotti, M; Andrews, JE; Appleby, RB; Archilli, F; Arnau Romeu, J; Artamonov, A; Artuso, M; Arzymatov, K; Aslanides, E; Atzeni, M; Audurier, B; Bachmann, S; Back, JJ; Baker, S; Balagura, V; Baldini, W; Baranov, A; Barlow, RJ; Barsuk, S; Barter, W; Baryshnikov, F; Batozskaya, V; Batsukh, B; Battista, V; Bay, A; Beddow, J; Bedeschi, F; Bediaga, I; Beiter, A; Bel, LJ; Belin, S; Beliy, N; Bellee, V; Belloli, N; Belous, K; Belyaev, I; Bencivenni, G; Ben-Haim, E; Benson, S; Beranek, S; Berezhnoy, A; Bernet, R; Berninghoff, D; Bertholet, E; Bertolin, A; Betancourt, C; Betti, F; Bettler, MO; Bezshyiko, I; Bhasin, S; Bhom, J; Bifani, S; Billoir, P; Birnkraut, A; Bizzeti, A; Bjørn, M; Blago, MP; Blake, T; Blanc, F; Blusk, S; Bobulska, D; 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Author(s)

The LHCb Collaboration; Boettcher, Thomas Julian; Craik, Daniel C; Weisser, Constantin; Williams, Michael

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Abstract

© 2019 CERN. The first observation of two structures consistent with resonances in the final states Λb0π- and Λb0π+ is reported using samples of pp collision data collected by the LHCb experiment at s=7 and 8 TeV, corresponding to an integrated luminosity of 3 fb-1. The ground states Σb± and Σb∗± are also confirmed and their masses and widths are precisely measured.

Date issued

2019

URI

https://hdl.handle.net/1721.1/133970.2

Department

Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear Science

Journal

Physical Review Letters

Publisher

American Physical Society (APS)

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MIT Open Access Articles

Version	Item	Date	Summary
2	1721.1/133970.2*	2022-09-21T17:27:47Z	Metadata changed: Verified or entered author name and department authority metadata.
1	1721.1/133970	2021-10-27T19:57:26Z

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