Measurement of the CP-violating phase βsJ/ψ in Bs0→J/ψ decays with the CDF II detector
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Aaltonen, T; Alvarez González, B; Amerio, S; Amidei, D; Anastassov, A; Annovi, A; Antos, J; Apollinari, G; Appel, JA; Arisawa, T; Artikov, A ...
Published in: Physical Review D - Particles, Fields, Gravitation and Cosmology
April 24, 2012
We present a measurement of the CP-violating parameter βsJ/ψ using approximately 6500 Bs0→J/ψ decays reconstructed with the CDF II detector in a sample of pp̄ collisions at √s=1.96TeV corresponding to 5.2fb -1 integrated luminosity produced by the Tevatron collider at Fermilab. We find the CP-violating phase to be within the range βsJ/ψ [0.02,0.52] [1.08,1.55] at 68% confidence level where the coverage property of the quoted interval is guaranteed using a frequentist statistical analysis. This result is in agreement with the standard model expectation at the level of about one Gaussian standard deviation. We consider the inclusion of a potential S-wave contribution to the Bs0→J/ψK +K - final state which is found to be negligible over the mass interval 1.009
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Published In
Physical Review D - Particles, Fields, Gravitation and Cosmology
DOI
EISSN
1550-2368
ISSN
1550-7998
Publication Date
April 24, 2012
Volume
85
Issue
7
Related Subject Headings
- Nuclear & Particles Physics
- 5107 Particle and high energy physics
- 5101 Astronomical sciences
- 4902 Mathematical physics
- 0206 Quantum Physics
- 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
- 0201 Astronomical and Space Sciences
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Aaltonen, T., Alvarez González, B., Amerio, S., Amidei, D., Anastassov, A., Annovi, A., … Devoto, F. (2012). Measurement of the CP-violating phase βsJ/ψ in Bs0→J/ψ decays with the CDF II detector. Physical Review D - Particles, Fields, Gravitation and Cosmology, 85(7). https://doi.org/10.1103/PhysRevD.85.072002
Aaltonen, T., B. Alvarez González, S. Amerio, D. Amidei, A. Anastassov, A. Annovi, J. Antos, et al. “Measurement of the CP-violating phase βsJ/ψ in Bs0→J/ψ decays with the CDF II detector.” Physical Review D - Particles, Fields, Gravitation and Cosmology 85, no. 7 (April 24, 2012). https://doi.org/10.1103/PhysRevD.85.072002.
Aaltonen T, Alvarez González B, Amerio S, Amidei D, Anastassov A, Annovi A, et al. Measurement of the CP-violating phase βsJ/ψ in Bs0→J/ψ decays with the CDF II detector. Physical Review D - Particles, Fields, Gravitation and Cosmology. 2012 Apr 24;85(7).
Aaltonen, T., et al. “Measurement of the CP-violating phase βsJ/ψ in Bs0→J/ψ decays with the CDF II detector.” Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 85, no. 7, Apr. 2012. Scopus, doi:10.1103/PhysRevD.85.072002.
Aaltonen T, Alvarez González B, Amerio S, Amidei D, Anastassov A, Annovi A, Antos J, Apollinari G, Appel JA, Arisawa T, Artikov A, Asaadi J, Ashmanskas W, Auerbach B, Aurisano A, Azfar F, Badgett W, Bae T, Barbaro-Galtieri A, Barnes VE, Barnett BA, Barria P, Bartos P, Bauce M, Bedeschi F, Behari S, Bellettini G, Bellinger J, Benjamin D, Beretvas A, Bhatti A, Bisello D, Bizjak I, Bland KR, Blumenfeld B, Bocci A, Bodek A, Bortoletto D, Boudreau J, Bousson N, Boveia A, Brigliadori L, Bromberg C, Brucken E, Budagov J, Budd HS, Burkett K, Busetto G, Bussey P, Buzatu A, Calamba A, Calancha C, Camarda S, Campanelli M, Campbell M, Canelli F, Carls B, Carlsmith D, Carosi R, Carrillo S, Carron S, Casal B, Casarsa M, Castro A, Catastini P, Cauz D, Cavaliere V, Cavalli-Sforza M, Cerri A, Cerrito L, Chen YC, Chertok M, Chiarelli G, Chlachidze G, Chlebana F, Cho K, Chokheli D, Chung WH, Chung YS, Ciocci MA, Clark A, Clarke C, Compostella G, Convery ME, Conway J, Corbo M, Cordelli M, Cox CA, Cox DJ, Crescioli F, Cuevas J, Culbertson R, Dagenhart D, D’ascenzo N, Datta M, De Barbaro P, Dell’orso M, Demortier L, Deninno M, Devoto F. Measurement of the CP-violating phase βsJ/ψ in Bs0→J/ψ decays with the CDF II detector. Physical Review D - Particles, Fields, Gravitation and Cosmology. 2012 Apr 24;85(7).
Published In
Physical Review D - Particles, Fields, Gravitation and Cosmology
DOI
EISSN
1550-2368
ISSN
1550-7998
Publication Date
April 24, 2012
Volume
85
Issue
7
Related Subject Headings
- Nuclear & Particles Physics
- 5107 Particle and high energy physics
- 5101 Astronomical sciences
- 4902 Mathematical physics
- 0206 Quantum Physics
- 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
- 0201 Astronomical and Space Sciences