First study of the CP-violating phase and decay-width difference in Bs 0→ψ(2S)ϕ decays
2016
- Roel Aaij
- Bernardo Adeva
- Marco Adinolfi
- Ziad Ajaltouni
- Simon Akar
- Johannes Albrecht
- Federico Alessio
- Michael Alexander
- Suvayu Ali
- G. Alkhazov
- P. Alvarez Cartelle
- Antonio Augusto Alves Jr
- Sandra Amato
- S. Amerio
- Yasmine Amhis
- La Everse
- Lucio Anderlini
- Guido Andreassi
- M. Andreotti
- J. E. Andrews
- R. B. Appleby
- O. Aquines Gutierrez
- F. Archilli
- Philippe d'Argent
- J. Arnau Romeu
- A. Artamonov
- Marina Artuso
- Elie Aslanides
- G. Auriemma
- Marouen Baalouch
- Igor Babuschkin
- Sebastian Bachmann
- J. J. Back
- Alexey Badalov
- Clarissa Baesso
- S.C. Baker
- Wander Baldini
- R. J. Barlow
- Colin Barschel
- Sergey Barsuk
- William Barter
- V. Batozskaya
- Baasansuren Batsukh
- Vincenzo Battista
- A. Bay
- Leo Beaucourt
- John Beddow
- F. Bedeschi
- Ignacio Bediaga
- Lennaert Bel
- Violaine Bellee
- Nicoletta Belloli
- Konstantin Belous
- Ivan Belyaev
- E. Ben Haim
- Giovanni Bencivenni
- Sean Benson
- Jack Benton
- Alexander Berezhnoy
- Roland Bernet
- A. Bertolin
- F. Betti
- M.-O. Bettler
- Martin van Beuzekom
- Iaroslava Bezshyiko
- Simone Bifani
- Pierre Billoir
- T. Bird
- Alex Birnkraut
- Alexandre Bitadze
- A. Bizzeti
- Thomas Blake
- F. Blanc
- J. Blouw
- Steven Blusk
- Valerio Bocci
- Thomas Boettcher
- A. Bondar
- Nikolay Bondar
- W. Bonivento
- Alessio Borgheresi
- Silvia Borghi
- Maxim Borisyak
- Martino Borsato
- Francesco Bossu
- Meriem Boubdir
- T. J. V. Bowcock
- Espen Eie Bowen
- C. Bozzi
- Svende Braun
- M. Britsch
- Thomas Britton
- Jolanta Brodzicka
- Emma Buchanan
- C. Burr
- Albert Bursche
- Jan Buytaert
- Sandro Cadeddu
- R. Calabrese
- Marta Calvi
- M. Calvo Gomez
- Alessandro Camboni
- P. Campana
- D. Campora Perez
- D. H. Campora Perez
- Lorenzo Capriotti
- A. Carbone
- G. Carboni
- R. Cardinale
- A. Cardini
- P. Carniti
- Laurence Carson
- K. Carvalho Akiba
- Gianluigi Casse
- Lorenzo Cassina
- L. Castillo Garcia
- Marco Cattaneo
- Ch. Cauet
- G. Cavallero
- R. Cenci
- M. Charles
- Ph. Charpentier
- Georgios Chatzikonstantinidis
- M. Chefdeville
- Shanzhen Chen
- S. F. Cheung
- Veronika Chobanova
- M. Chrzaszcz
- X. Cid Vidal
- G. Ciezarek
- P. E. L. Clarke
- Marco Clemencic
- H. V. Cliff
- Joel Closier
- V. Coco
- J. G. Cogan
- E. Cogneras
- Violetta Cogoni
- Lucian Cojocariu
- G. Collazuol
- Paula Collins
- Albert Comerma Montells
- A. Contu
- A. Cook
- S. Coquereau
- Gloria Corti
- Marco Corvo
- C. M. Costa Sobral
- Benjamin Couturier
- Glen Cowan
- D. C. Craik
- Andrew Crocombe
- M. Cruz Torres
- Samuel Cunliffe
- C.R. Currie
- Carmelo D'Ambrosio
- Elena Dall'Occo
- Jeremy Dalseno
- P. N. Y. David
- Adam Davis
- O. De Aguiar Francisco
- K. De Bruyn
- S. De Capua
- M. De Cian
- J. M. De Miranda
- L.E. Paula
- M. De Serio
- P. De Simone
- C. T. Dean
- D. Decamp
- Mirko Deckenhoff
- L. Del Buono
- Moritz Demmer
- Denis Derkach
- Olivier Deschamps
- Francesco Dettori
- B. Dey
- A. Di Canto
- H. Dijkstra
- F. Dordei
- Mirco Dorigo
- A. Dosil Suárez
- Anatoliy Dovbnya
- Karlis Dreimanis
- Laurent Dufour
- Giulio Dujany
- Kevin Dungs
- Paolo Durante
- Rustem Dzhelyadin
- A. Dziurda
- Alexey Dzyuba
- Nicolas Déléage
- S. Easo
- M. Ebert
- Ulrik Egede
- V. Egorychev
- S.I. Eidelman
- Stephan Eisenhardt
- Ulrich Eitschberger
- Robert Ekelhof
- Lars Eklund
- Ch. Elsasser
- S. Ely
- Sevda Esen
- H.M. Evans
- Timothy Evans
- Antonio Falabella
- Nathanael Farley
- Stephen Farry
- Robert Fay
- D. Fazzini
- Dianne Ferguson
- V. Fernandez Albor
- A. Fernandez Prieto
- F. Ferrari
- F. Ferreira Rodrigues
- M. Ferro-Luzzi
- Sergey Filippov
- Rosa Anna Fini
- Marco Fiore
- M. Fiorini
- Miroslaw Firlej
- Conor Fitzpatrick
- Tomasz Fiutowski
- F. Fleuret
- Klaus Fohl
- M. Fontana
- F. Fontanelli
- Dean Charles Forshaw
- R. Forty
- V. Franco Lima
- M. Frank
- Christoph Frei
- Jinlin Fu
- Emiliano Furfaro
- C. Färber
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- S. Gallorini
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- Miriam Gandelman
- P. Gandini
- Y. Gao
- L. M. Garcia Martin
- J. García Pardiñas
- J. Garra Tico
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- M. Carvalho-Gaspar
- Laura Gavardi
- Giulio Gazzoni
- David Gerick
- Evelina Gersabeck
- Marco Gersabeck
- T. J. Gershon
- Ph. Ghez
- Sebastiana Gianì
- V. Gibson
- Olivier Göran Girard
- Lavinia-Helena Giubega
- Konstantin Gizdov
- Vladimir Gligorov
- D. Golubkov
- Andrey Golutvin
- A. Q. Gomes
- Igor Vladimirovich Gorelov
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- M. Grabalosa Gándara
- R. Graciani Diaz
- L. A. Granado Cardoso
- E. Grauges
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- Christophe Haen
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- Samuel Hall
- B. Hamilton
- Xiaoxue Han
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- Mikhail Hushchyn
- N. Hussain
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- Philip Ilten
- Richard Jacobsson
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- M. Kenzie
- Tjeerd Ketel
- Egor Khairullin
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- Chitsanu Khurewathanakul
- Thomas Kirn
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- Pavel Krokovny
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- Xavier Vilasis-Cardona
- Vladimir Volkov
- Achim Vollhardt
- Balazs Voneki
- D. Voong
- A. Vorobyev
- Vitaly Vorobyev
- C. Voß
- J. A. de Vries
- C. Vázquez Sierra
- R. Waldi
- Charlotte Wallace
- Ronan Wallace
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- Heather Mckenzie Wark
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- Michael Wilkinson
- Mark Williams
- M. P. Williams
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- James F Wilson
- Jack Wimberley
- Julian Wishahi
- Wojciech Wislicki
- Mariusz Witek
- G. Wormser
- S.A. Wotton
- Kenneth Wraight
- S. Wright
- Kenneth Wyllie
- Y. Xie
- Z. Xing
- Zhirui Xu
- Z. Yang
- Hang Yin
- Jiesheng Yu
- Xuhao Yuan
- Oleg Yushchenko
- M. Zangoli
- Kristian Alexander Zarebski
- Mikhail Zavertyaev
- Lei Zhang
- Y. Zhang
- Alexey Zhelezov
- Y. H. Zheng
- Anatoly Zhokhov
- X.L. Zhu
- Valery Zhukov
- S. Zucchelli
A time-dependent angular analysis of Bs 0→ψ(2S)ϕ decays is performed using data recorded by the LHCb experiment. The data set corresponds to an integrated luminosity of 3.0fb−1 collected during Run 1 of the LHC. The CP-violating phase and decay-width difference of the Bs 0 system are measured to be ϕs=0.23−0.28 +0.29±0.02rad and ΔΓs=0.066−0.044 +0.041±0.007ps−1, respectively, where the first uncertainty is statistical and the second systematic. This is the first time that ϕs and ΔΓs have been measured in a decay containing the ψ(2S) resonance.
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