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Production of associated Y and open charm hadrons in pp collisions at √s = 7 and 8 TeV via double parton scattering
- Author(s): The LHCb collaboration
- Aaij, R
- Abellán Beteta, C
- Adeva, B
- Adinolfi, M
- Affolder, A
- Ajaltouni, Z
- Akar, S
- Albrecht, J
- Alessio, F
- Alexander, M
- Ali, S
- Alkhazov, G
- Alvarez Cartelle, P
- Alves, AA
- Amato, S
- Amerio, S
- Amhis, Y
- An, L
- Anderlini, L
- Anderson, J
- Andreassi, G
- Andreotti, M
- Andrews, JE
- Appleby, RB
- Aquines Gutierrez, O
- Archilli, F
- d’Argent, P
- Artamonov, A
- Artuso, M
- Aslanides, E
- Auriemma, G
- Baalouch, M
- Bachmann, S
- Back, JJ
- Badalov, A
- Baesso, C
- Baldini, W
- Barlow, RJ
- Barschel, C
- Barsuk, S
- Barter, W
- Batozskaya, V
- Battista, V
- Bay, A
- Beaucourt, L
- Beddow, J
- Bedeschi, F
- Bediaga, I
- Bel, LJ
- Bellee, V
- Belloli, N
- Belyaev, I
- Ben-Haim, E
- Bencivenni, G
- Benson, S
- Benton, J
- Berezhnoy, A
- Bernet, R
- Bertolin, A
- Bettler, MO
- van Beuzekom, M
- Bien, A
- Bifani, S
- Billoir, P
- Bird, T
- Birnkraut, A
- Bizzeti, A
- Blake, T
- Blanc, F
- Blouw, J
- Blusk, S
- Bocci, V
- Bondar, A
- Bondar, N
- Bonivento, W
- Borghi, S
- Borisyak, M
- Borsato, M
- Bowcock, TJV
- Bowen, E
- Bozzi, C
- Braun, S
- Britsch, M
- Britton, T
- Brodzicka, J
- Brook, NH
- Buchanan, E
- Burr, C
- Bursche, A
- Buytaert, J
- Cadeddu, S
- Calabrese, R
- Calvi, M
- Calvo Gomez, M
- Campana, P
- Campora Perez, D
- Capriotti, L
- Carbone, A
- Carboni, G
- et al.
Published Web Location
http://doi.org/10.1007/JHEP07(2016)052No data is associated with this publication.
Abstract
Associated production of bottomonia and open charm hadrons in pp collisions at s=7 and 8 TeV is observed using data corresponding to an integrated luminosity of 3 fb accumulated with the LHCb detector. The observation of five combinations, Y(1S)D , Y(2S)D , Y(1S)D , Y(2S)D and Y(1S)D , is reported. Production crosssections are measured for Y(1S)D and Y(1S)D pairs in the forward region. The measured cross-sections and the differential distributions indicate the dominance of double parton scattering as the main production mechanism.[Figure not available: see fulltext.] −1 0 0 + + + 0 + s