Observation and measurements of the production of prompt and non-prompt [Formula: see text] mesons in association with a [Formula: see text] boson in [Formula: see text] collisions at [Formula: see text] with the ATLAS detector

• Published in: The European physical journal. C, Particles and fields Vol. 75; no. 5; p. 229
• Main Authors: Aad, G, Abbott, B, Abdallah, J, Abdel Khalek, S, Abdinov, O, Aben, R, Abi, B, Abolins, M, AbouZeid, O S, Abramowicz, H, Abreu, H, Abreu, R, Abulaiti, Y, Acharya, B S, Adamczyk, L, Adams, D L, Adelman, J, Adomeit, S, Adye, T, Agatonovic-Jovin, T, Aguilar-Saavedra, J A, Agustoni, M, Ahlen, S P, Ahmadov, F, Aielli, G, Akerstedt, H, Åkesson, T P A, Akimoto, G, Akimov, A V, Alberghi, G L, Albert, J, Albrand, S, Alconada Verzini, M J, Aleksa, M, Aleksandrov, I N, Alexa, C, Alexander, G, Alexandre, G, Alexopoulos, T, Alhroob, M, Alimonti, G, Alio, L, Alison, J, Allbrooke, B M M, Allison, L J, Allport, P P, Aloisio, A, Alonso, A, Alonso, F, Alpigiani, C, Altheimer, A, Alvarez Gonzalez, B, Alviggi, M G, Amako, K, Amaral Coutinho, Y, Amelung, C, Amidei, D, Amor Dos Santos, S P, Amorim, A, Amoroso, S, Amram, N, Amundsen, G, Anastopoulos, C, Ancu, L S, Andari, N, Andeen, T, Anders, C F, Anders, G, Anderson, K J, Andreazza, A, Andrei, V, Anduaga, X S, Angelidakis, S, Angelozzi, I, Anger, P, Angerami, A, Anghinolfi, F, Anisenkov, A V, Anjos, N, Annovi, A, Antonelli, M, Antonov, A, Antos, J, Anulli, F, Aoki, M, Aperio Bella, L, Arabidze, G, Arai, Y, Araque, J P, Arce, A T H, Arduh, F A, Arguin, J-F, Argyropoulos, S, Arik, M, Armbruster, A J, Arnaez, O, Arnal, V, Arnold, H, Arratia, M, Arslan, O
• Format: Journal Article
• Language: English
• Published: France Springer 27-05-2015
• Subjects: Collisions (Nuclear physics); Detectors; Measurement
• ISSN: 1434-6044; 1434-6052
• DOI: 10.1140/epjc/s10052-015-3406-9

The production of a [Formula: see text] boson in association with a [Formula: see text] meson in proton-proton collisions probes the production mechanisms of quarkonium and heavy flavour in association with vector bosons, and allows studies of multiple parton scattering. Using [Formula: see text] of data collected with the ATLAS experiment at the LHC in [Formula: see text] collisions at [Formula: see text], the first measurement of associated [Formula: see text] production is presented for both prompt and non-prompt [Formula: see text] production, with both signatures having a significance in excess of [Formula: see text]. The inclusive production cross-sections for [Formula: see text] boson production (analysed in [Formula: see text] or [Formula: see text] decay modes) in association with prompt and non-prompt [Formula: see text] are measured relative to the inclusive production rate of [Formula: see text] bosons in the same fiducial volume to be [Formula: see text] and [Formula: see text] respectively. Normalised differential production cross-section ratios are also determined as a function of the [Formula: see text] transverse momentum. The fraction of signal events arising from single and double parton scattering is estimated, and a lower limit of [Formula: see text] at [Formula: see text] confidence level is placed on the effective cross-section regulating double parton interactions.