First measurement of the forward-backward asymmetry in bottom-quark pair production at high mass
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, Journal Article
Aaltonen, T; Amerio, S; Amidei, D; Anastassov, A; Annovi, A; Antos, J; Apollinari, G; Appel, JA; Arisawa, T; Artikov, A; Asaadi, J; Azfar, F ...
Published in: Physical Review D - Particles, Fields, Gravitation and Cosmology
August 18, 2015
We measure the particle-level forward-backward production asymmetry in bb¯ pairs with masses (mbb¯) larger than 150 GeV/c2, using events with hadronic jets and employing jet charge to distinguish b from b¯. The measurement uses 9.5 fb-1 of pp¯ collisions at a center-of-mass energy of 1.96 TeV recorded by the CDF II detector. The asymmetry as a function of mbb¯ is consistent with zero, as well as with the predictions of the standard model. The measurement disfavors a simple model including an axigluon with a mass of 200 GeV/c2, whereas a model containing a heavier 345 GeV/c2 axigluon is not excluded.
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Published In
Physical Review D - Particles, Fields, Gravitation and Cosmology
DOI
EISSN
1550-2368
ISSN
1550-7998
Publication Date
August 18, 2015
Volume
92
Issue
3
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., Amerio, S., Amidei, D., Anastassov, A., Annovi, A., Antos, J., … Errede, S. (2015). First measurement of the forward-backward asymmetry in bottom-quark pair production at high mass. Physical Review D - Particles, Fields, Gravitation and Cosmology, 92(3). https://doi.org/10.1103/PhysRevD.92.032006
Aaltonen, T., S. Amerio, D. Amidei, A. Anastassov, A. Annovi, J. Antos, G. Apollinari, et al. “First measurement of the forward-backward asymmetry in bottom-quark pair production at high mass.” Physical Review D - Particles, Fields, Gravitation and Cosmology 92, no. 3 (August 18, 2015). https://doi.org/10.1103/PhysRevD.92.032006.
Aaltonen T, Amerio S, Amidei D, Anastassov A, Annovi A, Antos J, et al. First measurement of the forward-backward asymmetry in bottom-quark pair production at high mass. Physical Review D - Particles, Fields, Gravitation and Cosmology. 2015 Aug 18;92(3).
Aaltonen, T., et al. “First measurement of the forward-backward asymmetry in bottom-quark pair production at high mass.” Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 92, no. 3, Aug. 2015. Scopus, doi:10.1103/PhysRevD.92.032006.
Aaltonen T, 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, Bland KR, Blumenfeld B, Bocci A, Bodek A, Bortoletto D, Boudreau J, Boveia A, Brigliadori L, Bromberg C, Brucken E, Budagov J, Budd HS, Burkett K, Busetto G, Bussey P, Butti P, Buzatu A, Calamba A, Camarda S, Campanelli M, Canelli F, Carls B, Carlsmith D, Carosi R, Carrillo S, Casal B, Casarsa M, Castro A, Catastini P, Cauz D, Cavaliere V, Cerri A, Cerrito L, Chen YC, Chertok M, Chiarelli G, Chlachidze G, Cho K, Chokheli D, Clark A, Clarke C, Convery ME, Conway J, Corbo M, Cordelli M, Cox CA, Cox DJ, Cremonesi M, Cruz D, Cuevas J, Culbertson R, D’Ascenzo N, Datta M, De Barbaro P, Demortier L, Deninno M, D’Errico M, Devoto F, Di Canto A, Di Ruzza B, Dittmann JR, Donati S, D’Onofrio M, Dorigo M, Driutti A, Ebina K, Edgar R, Elagin A, Erbacher R, Errede S. First measurement of the forward-backward asymmetry in bottom-quark pair production at high mass. Physical Review D - Particles, Fields, Gravitation and Cosmology. 2015 Aug 18;92(3).
Published In
Physical Review D - Particles, Fields, Gravitation and Cosmology
DOI
EISSN
1550-2368
ISSN
1550-7998
Publication Date
August 18, 2015
Volume
92
Issue
3
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