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Dive into the research topics where E. Buchanan is active.

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Featured researches published by E. Buchanan.


arXiv: High Energy Physics - Experiment | 2015

Angular analysis of the

R. Aaij; C. Abellan Beteta; B. Adeva; M. Adinolfi; A. Affolder; Z. Ajaltouni; S. Akar; J. Albrecht; F. Alessio; M. Alexander; S. Ali; G. Alkhazov; P. Alvarez Cartelle; A. A. Alves; S. Amato; S. Amerio; Y. Amhis; L. An; L. Anderlini; G. Andreassi; M. Andreotti; J. E. Andrews; R. B. Appleby; O. Aquines Gutierrez; F. Archilli; Philippe d'Argent; A. Artamonov; M. Artuso; E. Aslanides; G. Auriemma

A bstractAn angular analysis of the B0 → K*0(→ K+π−)μ+μ− decay is presented. The dataset corresponds to an integrated luminosity of 3.0 fb−1 of pp collision data collected at the LHCb experiment. The complete angular information from the decay is used to determine CP-averaged observables and CP asymmetries, taking account of possible contamination from decays with the K+π− system in an S-wave configuration. The angular observables and their correlations are reported in bins of q2, the invariant mass squared of the dimuon system. The observables are determined both from an unbinned maximum likelihood fit and by using the principal moments of the angular distribution. In addition, by fitting for q2-dependent decay amplitudes in the region 1.1 < q2 < 6.0 GeV2/c4, the zero-crossing points of several angular observables are computed. A global fit is performed to the complete set of CP-averaged observables obtained from the maximum likelihood fit. This fit indicates differences with predictions based on the Standard Model at the level of 3.4 standard deviations. These differences could be explained by contributions from physics beyond the Standard Model, or by an unexpectedly large hadronic effect that is not accounted for in the Standard Model predictions. An angular analysis of the


Journal of Instrumentation | 2017

B^{0}\rightarrow K^{*0}\mu^{+}\mu^{-}

E. Buchanan

B^{0}\rightarrow K^{*0}(\rightarrow K^{+}\pi^{-})\mu^{+}\mu^{-}


European Physical Journal C | 2016

decay using

R. Aaij; C. Abellan Beteta; B. Adeva; M. Adinolfi; A. Affolder; Z. Ajaltouni; S. Akar; J. Albrecht; F. Alessio; M. Alexander; S. Ali; G. Alkhazov; P. Alvarez Cartelle; A. A. Alves; S. Amato; S. Amerio; Y. Amhis; L. An; L. Anderlini; J. Anderson; G. Andreassi; M. Andreotti; J. E. Andrews; R. B. Appleby; O. Aquines Gutierrez; F. Archilli; P. d’Argent; A. Artamonov; M. Artuso; E. Aslanides

decay is presented. The dataset corresponds to an integrated luminosity of


Journal of High Energy Physics | 2017

3\,\mbox{fb}^{-1}

R. Aaij; M. Adinolfi; John Benton; E. Buchanan; Andrew Cook; Sam Harnew; J. M. Kariuki; P. Naik; K. Petridis; G. J. Pomery; E. Price; C. Prouve; R. Quagliani; J. H. Rademacker; Daniel Martin Saunders; N. Skidmore; Jaap Velthuis

3.0\,{\mbox{fb}^{-1}}


Archive | 2016

of integrated luminosity

R. Aaij; C. Abellan Beteta; B. Adeva; M. Adinolfi; A. Affolder; Z. Ajaltouni; S. Akar; J. Albrecht; F. Alessio; M. Alexander; S. Ali; G. Alkhazov; P. Alvarez Cartelle; A. A. Alves; S. Amato; S. Amerio; Y. Amhis; L. An; L. Anderlini; G. Andreassi; M. Andreotti; J. E. Andrews; R. B. Appleby; O. Aquines Gutierrez; F. Archilli; P. d’Argent; A. Artamonov; M. Artuso; E. Aslanides; G. Auriemma

of


Journal of Instrumentation | 2018

The LHCb Vertex Locator (VELO) Pixel Detector Upgrade

M. Alexander; A. Oblakowska-Mucha; K. Rinnert; Gediminas Sarpis; M. van Beuzekom; K. Carvalho Akiba; A. Poluektov; C. Parkes; A. Bay; Maciej Witold Majewski; H. Schindler; M. Schiller; P. Ilten; F. Da Cunha Marinho; E. Buchanan; M. Smith; K. Dreimanis; J. Harrison; J. Buytaert; C. Wallace; D. Hutchcroft; M. Gersabeck; T. Evans; A. D. Webber; D. Dossett; T. J. V. Bowcock; K. Hennessy; C. T. Dean; T. Hadavizadeh; P. Koppenburg

pp


IEEE Transactions on Nuclear Science | 2018

A precise measurement of the B0 meson oscillation frequency

K. Akiba; M. Alexander; W. Barter; L. Bell; G. Bogdanova; S. Borghi; T. J. V. Bowcock; E. Buchanan; J. Buytaert; S. De Capua; S. Chen; P. Collins; A. Crocombe; Elena Dall'Occo; C. T. Dean; F. Dettori; K. Dreimanis; G. Dujany; L. Eklund; T. Evans; M. Gersabeck; T. Gershon; T. Hadavizadeh; J. Harrison; K. Hennessy; W. Hulsbergen; D. Hutchcroft; E. Jans; M. John; P. Kopciewicz

collision data collected at the LHCb experiment. The complete angular information from the decay is used to determine


Archive | 2016

Measurements of prompt charm production cross-sections in pp collisions at s√=5s=5 TeV

R. Aaij; B. Adeva; M. Adinolfi; A. Affolder; Z. Ajaltouni; S. Akar; J. Albrecht; F. Alessio; M. Alexander; S. Ali; G. Alkhazov; P. Alvarez Cartelle; A. A. Alves; S. Amato; S. Amerio; Y. Amhis; L. An; L. Anderlini; J. Anderson; G. Andreassi; M. Andreotti; J. E. Andrews; R. B. Appleby; O. Aquines Gutierrez; F. Archilli; Philippe d'Argent; A. Artamonov; M. Artuso; E. Aslanides; G. Auriemma

C\!P

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A. Affolder

University of Liverpool

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G. Andreassi

École Polytechnique Fédérale de Lausanne

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B. Adeva

University of Santiago de Compostela

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Y. Amhis

Université Paris-Saclay

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Z. Ajaltouni

Blaise Pascal University

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R. B. Appleby

University of California

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