High mass exclusive diffractive dijet production in p(p)over-bar collisions at root s=1.96 TeV

Abazov, V. M. and Abbott, B. and Abolins, M. and Acharya, B. S. and Adams, M. and Adams, T. and Alexeev, G. D. and Alkhazov, G. and Alton, A. and Alverson, G. and Alves, G. A. and Ancu, L. S. and Aoki, M. and Arnoud, Y. and Arov, M. and Askew, A. and Asman, B. and Atramentov, O. and Avila, C. and BackusMayes, J. and Badaud, F. and Bagby, L. and Baldin, B. and Bandurin, D. V. and Banerjee, S. and Barberis, E. and Baringer, P. and Barreto, J. and Bartlett, J. F. and Bassler, U. and Bazterra, V. and Beale, S. and Bean, A. and Begalli, M. and Begel, M. and Belanger-Champagne, C. and Bellantoni, L. and Beri, S. B. and Bernardi, G. and Bernhard, R. and Bertram, I. and Besancon, M. and Borissov, G. and Fox, H. and Johnson, M. and Love, P. and Price, D. and Ratoff, P. N. and Sopczak, A. and Williams, M. R. J. (2011) High mass exclusive diffractive dijet production in p(p)over-bar collisions at root s=1.96 TeV. Physics Letters B, 705 (3). pp. 193-199. ISSN 0370-2693

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We present evidence for diffractive exclusive dijet production with an invariant dijet mass greater than 100 GeV in data collected with the DO experiment at the Fermilab Tevatron Collider. A discriminant based on calorimeter information is used to measure a significant number of events with little energy (typically less than 10 GeV) outside the dijet system, consistent with the diffractive exclusive dijet production topology. The probability for these events to be explained by other dijet production processes is 2 x 10(-6), corresponding to a 4.7 standard deviation significance.

Item Type:
Journal Article
Journal or Publication Title:
Physics Letters B
Additional Information:
submitted to Phys. Lett. B
Uncontrolled Keywords:
?? physicsnuclear and high energy physicsqc physics ??
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Deposited On:
25 May 2012 08:24
Last Modified:
26 Jan 2024 01:13