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@article{Hayrapetyan:2024:10.1103/PhysRevD.109.112013,
author = {Hayrapetyan, A and Tumasyan, A and Adam, W and Andrejkovic, JW and Bergauer, T and Chatterjee, S and Damanakis, K and Dragicevic, M and Hussain, PS and Jeitler, M and Krammer, N and Li, A and Liko, D and Mikulec, I and Schieck, J and Schoefbeck, R and Schwarz, D and Sonawane, M and Templ, S and Waltenberger, W and Wulz, C-E and Darwish, MR and Janssen, T and Van, Mechelen P and Bols, ES and D'Hondt, J and Dansana, S and De, Moor A and Delcourt, M and El, Faham H and Lowette, S and Makarenko, I and Mueller, D and Sahasransu, AR and Tavernier, S and Tytgat, M and Van, Onsem GP and Van, Putte S and Vannerom, D and Clerbaux, B and Das, AK and De, Lentdecker G and Favart, L and Gianneios, P and Hohov, D and Jaramillo, J and Khalilzadeh, A and Lee, K and Mahdavikhorrami, M and Malara, A and Paredes, S and Petre, L and Postiau, N and Thomas, L and Vanden, Bemden M and Vander, Velde C and Vanlaer, P and De, Coen M and Dobur, D and Hong, Y and Knolle, J and Lambrecht, L and Mestdach, G and Amar},
doi = {10.1103/PhysRevD.109.112013},
journal = {Physical Review D: Particles, Fields, Gravitation and Cosmology},
title = {Nonresonant central exclusive production of charged-hadron pairs in proton-proton collisions at √ =13  TeV},
url = {http://dx.doi.org/10.1103/PhysRevD.109.112013},
volume = {109},
year = {2024}
}
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TY  - JOUR
AB  - The central exclusive production of charged-hadron pairs in  collisions at a center-of-mass energy of 13 TeV is examined, based on data collected in a special high- run of the LHC. The nonresonant continuum processes are studied with the invariant mass of the centrally produced two-pion system in the resonance-free region, +− <0.7 or +− >1.8  GeV. Differential cross sections as functions of the azimuthal angle between the surviving protons, squared exchanged four-momenta, and +− are measured in a wide region of scattered proton transverse momenta, between 0.2 and 0.8 GeV, and for pion rapidities || <2. A rich structure of interactions related to double-pomeron exchange is observed. A parabolic minimum in the distribution of the two-proton azimuthal angle is observed for the first time. It can be interpreted as an effect of additional pomeron exchanges between the protons from the interference between the bare and the rescattered amplitudes. After model tuning, various physical quantities are determined that are related to the pomeron cross section, proton-pomeron and meson-pomeron form factors, pomeron trajectory and intercept, and coefficients of diffractive eigenstates of the proton.
AU  - Hayrapetyan,A
AU  - Tumasyan,A
AU  - Adam,W
AU  - Andrejkovic,JW
AU  - Bergauer,T
AU  - Chatterjee,S
AU  - Damanakis,K
AU  - Dragicevic,M
AU  - Hussain,PS
AU  - Jeitler,M
AU  - Krammer,N
AU  - Li,A
AU  - Liko,D
AU  - Mikulec,I
AU  - Schieck,J
AU  - Schoefbeck,R
AU  - Schwarz,D
AU  - Sonawane,M
AU  - Templ,S
AU  - Waltenberger,W
AU  - Wulz,C-E
AU  - Darwish,MR
AU  - Janssen,T
AU  - Van,Mechelen P
AU  - Bols,ES
AU  - D'Hondt,J
AU  - Dansana,S
AU  - De,Moor A
AU  - Delcourt,M
AU  - El,Faham H
AU  - Lowette,S
AU  - Makarenko,I
AU  - Mueller,D
AU  - Sahasransu,AR
AU  - Tavernier,S
AU  - Tytgat,M
AU  - Van,Onsem GP
AU  - Van,Putte S
AU  - Vannerom,D
AU  - Clerbaux,B
AU  - Das,AK
AU  - De,Lentdecker G
AU  - Favart,L
AU  - Gianneios,P
AU  - Hohov,D
AU  - Jaramillo,J
AU  - Khalilzadeh,A
AU  - Lee,K
AU  - Mahdavikhorrami,M
AU  - Malara,A
AU  - Paredes,S
AU  - Petre,L
AU  - Postiau,N
AU  - Thomas,L
AU  - Vanden,Bemden M
AU  - Vander,Velde C
AU  - Vanlaer,P
AU  - De,Coen M
AU  - Dobur,D
AU  - Hong,Y
AU  - Knolle,J
AU  - Lambrecht,L
AU  - Mestdach,G
AU  - Amarilo,KM
AU  - Rendon,C
AU  - Samalan,A
AU  - Skovpen,K
AU  - Van,den Bossche N
AU  - van,der Linden J
AU  - Wezenbeek,L
AU  - Benecke,A
AU  - Bethani,A
AU  - Bruno,G
AU  - Caputo,C
AU  - Delaere,C
AU  - Donertas,IS
AU  - Giammanco,A
AU  - Jaffel,K
AU  - Jain,S
AU  - Lemaitre,V
AU  - Lidrych,J
AU  - Mastrapasqua,P
AU  - Mondal,K
AU  - Tran,TT
AU  - Wertz,S
AU  - Alves,GA
AU  - Coelho,E
AU  - Hensel,C
AU  - Menezes,De Oliveira T
AU  - Moraes,A
AU  - Rebello,Teles P
AU  - Soeiro,M
AU  - Alda,Junior WL
AU  - Alves,Gallo Pereira M
AU  - Barroso,Ferreira Filho M
AU  - Brandao,Malbouisson H
AU  - Carvalho,W
AU  - Chinellato,J
AU  - Da,Costa EM
AU  - Da,Silveira GG
AU  - De,Jesus Damiao D
AU  - Fonseca,De Souza S
AU  - Gomes,De Souza R
AU  - Martins,J
AU  - Mora,Herrera C
AU  - Mundim,L
AU  - Nogima,H
AU  - Pinheiro,JP
AU  - Santoro,A
AU  - Sznajder,A
AU  - Thiel,M
AU  - Vilela,Pereira A
AU  - Bernardes,CA
AU  - Calligaris,L
AU  - Fernandez,Perez Tomei TR
AU  - Gregores,EM
AU  - Mercadante,PG
AU  - Novaes,SF
AU  - Orzari,B
AU  - Padula,SS
AU  - Aleksandrov,A
AU  - Hadjiiska,R
AU  - Iaydjiev,P
AU  - Misheva,M
AU  - Shopova,M
AU  - Sultanov,G
AU  - Dimitrov,A
AU  - Litov,L
AU  - Pavlov,B
AU  - Petkov,P
AU  - Petrov,A
AU  - Shumka,E
AU  - Keshri,S
AU  - Thakur,S
AU  - Cheng,T
AU  - Guo,Q
AU  - Javaid,T
AU  - Yuan,L
AU  - Hu,Z
AU  - Liu,J
AU  - Yi,K
AU  - Chen,GM
AU  - Chen,HS
AU  - Chen,M
AU  - Iemmi,F
AU  - Jiang,CH
AU  - Kapoor,A
AU  - Liao,H
AU  - Liu,Z-A
AU  - Sharma,R
AU  - Song,JN
AU  - Tao,J
AU  - Wang,C
AU  - Wang,J
AU  - Wang,Z
AU  - Zhang,H
AU  - Agapitos,A
AU  - Ban,Y
AU  - Levin,A
AU  - Li,C
AU  - Li,Q
AU  - Mao,Y
AU  - Qian,SJ
AU  - Sun,X
AU  - Wang,D
AU  - Yang,H
AU  - Zhang,L
AU  - Zhou,C
AU  - You,Z
AU  - Lu,N
AU  - Bauer,G
AU  - Gao,X
AU  - Leggat,D
AU  - Okawa,H
AU  - Li
DO  - 10.1103/PhysRevD.109.112013
PY  - 2024///
SN  - 1550-2368
TI  - Nonresonant central exclusive production of charged-hadron pairs in proton-proton collisions at √ =13  TeV
T2  - Physical Review D: Particles, Fields, Gravitation and Cosmology
UR  - http://dx.doi.org/10.1103/PhysRevD.109.112013
UR  - https://journals.aps.org/prd/abstract/10.1103/PhysRevD.109.112013
VL  - 109
ER  -
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