Adam, J; Adamová, D; Aggarwal, MM; Aglieri Rinella, G; Agnello, M; Agrawal, N; Ahammed, Z; Ahn, SU; Aimo, I; Aiola, S; Ajaz, M; Akindinov, A; Alam, SN; Aleksandrov, D; Alessandro, B; Alexandre, D; Alfaro Molina, R; Alici, A; Alkin, A; Alme, J; Alt, T; Altinpinar, S; Altsybeev, I; Alves Garcia Prado, C; Andrei, C; Andronic, A; Anguelov, V; Anielski, J; Antičić, T; Antinori, F; Antonioli, P; Aphecetche, L; Appelshäuser, H; Arcelli, S; Armesto, N; Arnaldi, R; Aronsson, T; Arsene, IC; Arslandok, M; Augustinus, A; Averbeck, R; Azmi, MD; Bach, M; Badalà, A; Baek, YW; Bagnasco, S; Bailhache, R; Bala, R; Baldisseri, A; Baltasar Dos Santos Pedrosa, F; Baral, RC; Barbano, AM; Barbera, R; Barile, F; Barnaföldi, GG; Barnby, LS; Barret, V; Bartalini, P; Barth, K; Bartke, J; Bartsch, E; Basile, M; Bastid, N; Basu, S; Bathen, B; Batigne, G; Batista Camejo, A; Batyunya, B; Batzing, PC; Bearden, IG; Beck, H; Bedda, C; Behera, NK; Belikov, I; Bellini, F; Bello Martinez, H; Bellwied, R; Belmont, R; Belmont-Moreno, E; Belyaev, V; Bencedi, G; Beole, S; Berceanu, I; Bercuci, A; Berdnikov, Y

doi:10.1016/j.physletb.2015.10.040

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Coherent ψ(2S) photo-production in ultra-peripheral Pb–Pb collisions at √sNN=2.76 TeV

2015

Adam, J;
Adamová, D;
Aggarwal, MM;
Aglieri Rinella, G;
Agnello, M;
Agrawal, N;
Ahammed, Z;
Ahn, SU;
Aimo, I;
Aiola, S;
Ajaz, M;
Akindinov, A;
Alam, SN;
Aleksandrov, D;
Alessandro, B;
Alexandre, D;
Alfaro Molina, R;
Alici, A;
Alkin, A;
Alme, J;
Alt, T;
Altinpinar, S;
Altsybeev, I;
Alves Garcia Prado, C;
Andrei, C;
Andronic, A;
Anguelov, V;
Anielski, J;
Antičić, T;
Antinori, F;
Antonioli, P;
Aphecetche, L;
Appelshäuser, H;
Arcelli, S;
Armesto, N;
Arnaldi, R;
Aronsson, T;
Arsene, IC;
Arslandok, M;
Augustinus, A;
Averbeck, R;
Azmi, MD;
Bach, M;
Badalà, A;
Baek, YW;
Bagnasco, S;
Bailhache, R;
Bala, R;
Baldisseri, A;
Baltasar Dos Santos Pedrosa, F;
Baral, RC;
Barbano, AM;
Barbera, R;
Barile, F;
Barnaföldi, GG;
Barnby, LS;
Barret, V;
Bartalini, P;
Barth, K;
Bartke, J;
Bartsch, E;
Basile, M;
Bastid, N;
Basu, S;
Bathen, B;
Batigne, G;
Batista Camejo, A;
Batyunya, B;
Batzing, PC;
Bearden, IG;
Beck, H;
Bedda, C;
Behera, NK;
Belikov, I;
Bellini, F;
Bello Martinez, H;
Bellwied, R;
Belmont, R;
Belmont-Moreno, E;
Belyaev, V;
Bencedi, G;
Beole, S;
Berceanu, I;
Bercuci, A;
Berdnikov, Y;
Berenyi, D;
Bertens, RA;
Berzano, D;
Betev, L;
Bhasin, A;
Bhat, IR;
Bhati, AK;
Bhattacharjee, B;
Bhom, J;
Bianchi, L;
Bianchi, N;
Bianchin, C;
Bielčík, J;
Bielčíková, J;
Bilandzic, A
et al.

Published Web Location

https://doi.org/10.1016/j.physletb.2015.10.040

Abstract

We have performed the first measurement of the coherent ψ(2S) photo-production cross section in ultra-peripheral Pb–Pb collisions at the LHC. This charmonium excited state is reconstructed via the ψ(2S)→l+l− and ψ(2S)→J/ψπ+π− decays, where the J/ψ decays into two leptons. The analysis is based on an event sample corresponding to an integrated luminosity of about 22 μb−1. The cross section for coherent ψ(2S) production in the rapidity interval −0.9

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UC Berkeley

Coherent ψ(2S) photo-production in ultra-peripheral Pb–Pb collisions at √sNN=2.76 TeV

Published Web Location