Measurement of central exclusive π+π- production in p p ¯ collisions at s =0.9 and 1.96 TeV at CDF MEASUREMENT of CENTRAL EXCLUSIVE π+π- ... T. AALTONEN et al.
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Aaltonen, T; Albrow, MG; Amerio, S; Amidei, D; Anastassov, A; Annovi, A; Antos, J; Apollinari, G; Appel, JA; Arisawa, T; Artikov, A; Asaadi, J ...
Published in: Physical Review D - Particles, Fields, Gravitation and Cosmology
May 29, 2015
We measure exclusive π+π- production in proton-antiproton collisions at center-of-mass energies s=0.9 and 1.96 TeV in the Collider Detector at Fermilab. We select events with two oppositely charged particles, assumed to be pions, with pseudorapidity |η|<1.3 and with no other particles detected in |η|<5.9. We require the π+π- system to have rapidity |y|<1.0. The production mechanism of these events is expected to be dominated by double pomeron exchange, which constrains the quantum numbers of the central state. The data are potentially valuable for isoscalar meson spectroscopy and for understanding the pomeron in a region of transition between nonperturbative and perturbative quantum chromodynamics. The data extend up to dipion mass M(π+π-)=5000MeV/c2 and show resonance structures attributed to f0 and f2(1270) mesons. From the π+π- and K+K- spectra, we place upper limits on exclusive χc0(3415) production.
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Published In
Physical Review D - Particles, Fields, Gravitation and Cosmology
DOI
EISSN
1550-2368
ISSN
1550-7998
Publication Date
May 29, 2015
Volume
91
Issue
9
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., Albrow, M. G., Amerio, S., Amidei, D., Anastassov, A., Annovi, A., … Erbacher, R. (2015). Measurement of central exclusive π+π- production in p p ¯ collisions at s =0.9 and 1.96 TeV at CDF MEASUREMENT of CENTRAL EXCLUSIVE π+π- ... T. AALTONEN et al. Physical Review D - Particles, Fields, Gravitation and Cosmology, 91(9). https://doi.org/10.1103/PhysRevD.91.091101
Aaltonen, T., M. G. Albrow, S. Amerio, D. Amidei, A. Anastassov, A. Annovi, J. Antos, et al. “Measurement of central exclusive π+π- production in p p ¯ collisions at s =0.9 and 1.96 TeV at CDF MEASUREMENT of CENTRAL EXCLUSIVE π+π- ... T. AALTONEN et al.” Physical Review D - Particles, Fields, Gravitation and Cosmology 91, no. 9 (May 29, 2015). https://doi.org/10.1103/PhysRevD.91.091101.
Aaltonen T, Albrow MG, Amerio S, Amidei D, Anastassov A, Annovi A, et al. Measurement of central exclusive π+π- production in p p ¯ collisions at s =0.9 and 1.96 TeV at CDF MEASUREMENT of CENTRAL EXCLUSIVE π+π- ... T. AALTONEN et al. Physical Review D - Particles, Fields, Gravitation and Cosmology. 2015 May 29;91(9).
Aaltonen, T., et al. “Measurement of central exclusive π+π- production in p p ¯ collisions at s =0.9 and 1.96 TeV at CDF MEASUREMENT of CENTRAL EXCLUSIVE π+π- ... T. AALTONEN et al.” Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 91, no. 9, May 2015. Scopus, doi:10.1103/PhysRevD.91.091101.
Aaltonen T, Albrow MG, 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. Measurement of central exclusive π+π- production in p p ¯ collisions at s =0.9 and 1.96 TeV at CDF MEASUREMENT of CENTRAL EXCLUSIVE π+π- ... T. AALTONEN et al. Physical Review D - Particles, Fields, Gravitation and Cosmology. 2015 May 29;91(9).
Published In
Physical Review D - Particles, Fields, Gravitation and Cosmology
DOI
EISSN
1550-2368
ISSN
1550-7998
Publication Date
May 29, 2015
Volume
91
Issue
9
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