Measurement of the production cross section for pairs of isolated photons in pp collisions at √s = 7 TeV

S. Chatrchyan; V. Khachatryan; A. M. Sirunyan; A. Tumasyan; W. Adam; T. Bergauer; M. Dragicevic; J. Erö; C. Fabjan; M. Friedl; R. Frühwirth; V. M. Ghete; J. Hammer; M. Hoch; N. Hörmann; J. Hrubec; M. Jeitler; W. Kiesenhofer; A. Knapitsch; M. Krammer; D. Liko; I. Mikulec; M. Pernicka; B. Rahbaran; H. Rohringer; R. Schöfbeck; J. Strauss; A. Taurok; F. Teischinger; C. Trauner; P. Wagner; W. Waltenberger; G. Walzel; E. Widl; C. E. Wulz; V. Mossolov; N. Shumeiko; J. Suarez Gonzalez; S. Bansal; L. Benucci; T. Cornelis; E. A. De Wolf; X. Janssen; S. Luyckx; T. Maes; L. Mucibello; S. Ochesanu; B. Roland; R. Rougny; M. Selvaggi; H. Van Haevermaet; P. Van Mechelen; N. Van Remortel; A. Van Spilbeeck; F. Blekman; S. Blyweert; J. D'Hondt; R. Gonzalez Suarez; A. Kalogeropoulos; M. Maes; A. Olbrechts; W. Van Doninck; P. Van Mulders; G. P. Van Onsem; I. Villella; O. Charaf; B. Clerbaux; G. De Lentdecker; V. Dero; A. P.R. Gay; G. H. Hammad; T. Hreus; A. Léonard; P. E. Marage; L. Thomas; C. Vander Velde; P. Vanlaer; J. Wickens; V. Adler; K. Beernaert; A. Cimmino; S. Costantini; M. Grunewald; B. Klein; J. Lellouch; A. Marinov; J. McCartin; A. A. Ocampo Rios; D. Ryckbosch; N. Strobbe; F. Thyssen; M. Tytgat; L. Vanelderen; P. Verwilligen; S. Walsh; N. Zaganidis; S. Basegmez; G. Bruno; J. Caudron; L. Ceard

doi:10.1007/JHEP01(2012)133

Measurement of the production cross section for pairs of isolated photons in pp collisions at √s = 7 TeV

S. Chatrchyan, V. Khachatryan, A. M. Sirunyan, A. Tumasyan, W. Adam, T. Bergauer, M. Dragicevic, J. Erö, C. Fabjan, M. Friedl, R. Frühwirth, V. M. Ghete, J. Hammer, M. Hoch, N. Hörmann, J. Hrubec, M. Jeitler, W. Kiesenhofer, A. Knapitsch, M. KrammerD. Liko, I. Mikulec, M. Pernicka, B. Rahbaran, H. Rohringer, R. Schöfbeck, J. Strauss, A. Taurok, F. Teischinger, C. Trauner, P. Wagner, W. Waltenberger, G. Walzel, E. Widl, C. E. Wulz, V. Mossolov, N. Shumeiko, J. Suarez Gonzalez, S. Bansal, L. Benucci, T. Cornelis, E. A. De Wolf, X. Janssen, S. Luyckx, T. Maes, L. Mucibello, S. Ochesanu, B. Roland, R. Rougny, M. Selvaggi, H. Van Haevermaet, P. Van Mechelen, N. Van Remortel, A. Van Spilbeeck, F. Blekman, S. Blyweert, J. D'Hondt, R. Gonzalez Suarez, A. Kalogeropoulos, M. Maes, A. Olbrechts, W. Van Doninck, P. Van Mulders, G. P. Van Onsem, I. Villella, O. Charaf, B. Clerbaux, G. De Lentdecker, V. Dero, A. P.R. Gay, G. H. Hammad, T. Hreus, A. Léonard, P. E. Marage, L. Thomas, C. Vander Velde, P. Vanlaer, J. Wickens, V. Adler, K. Beernaert, A. Cimmino, S. Costantini, M. Grunewald, B. Klein, J. Lellouch, A. Marinov, J. McCartin, A. A. Ocampo Rios, D. Ryckbosch, N. Strobbe, F. Thyssen, M. Tytgat, L. Vanelderen, P. Verwilligen, S. Walsh, N. Zaganidis, S. Basegmez, G. Bruno, J. Caudron, L. Ceard

Research output: Contribution to journal › Article › peer-review

28 Scopus citations

Abstract

Abstract: The integrated and differential cross sections for the production of pairs of isolated photons is measured in proton-proton collisions at a centre-of-mass energy of 7TeV with the CMS detector at the LHC. A data sample corresponding to an integrated luminosity of 36 pb ^-1 is analysed. A next-to-leading-order perturbative QCD calculation is compared to the measurements. A discrepancy is observed for regions of the phase space where the two photons have an azimuthal angle difference Δ ℓ ≲. 2:8 rad.

Original language	English (US)
Article number	133
Journal	Journal of High Energy Physics
Volume	2012
Issue number	1
DOIs	https://doi.org/10.1007/JHEP01(2012)133
State	Published - 2012
Externally published	Yes

Keywords

Hadron-hadron scattering

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10.1007/JHEP01(2012)133

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Chatrchyan, S., Khachatryan, V., M. Sirunyan, A., Tumasyan, A., Adam, W., Bergauer, T., Dragicevic, M., Erö, J., Fabjan, C., Friedl, M., Frühwirth, R., Ghete, V. M., Hammer, J., Hoch, M., Hörmann, N., Hrubec, J., Jeitler, M., Kiesenhofer, W., Knapitsch, A., ... Ceard, L. (2012). Measurement of the production cross section for pairs of isolated photons in pp collisions at √s = 7 TeV. Journal of High Energy Physics, 2012(1), [133]. https://doi.org/10.1007/JHEP01(2012)133

Measurement of the production cross section for pairs of isolated photons in pp collisions at √s = 7 TeV. / Chatrchyan, S.; Khachatryan, V.; M. Sirunyan, A.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Erö, J.; Fabjan, C.; Friedl, M.; Frühwirth, R.; Ghete, V. M.; Hammer, J.; Hoch, M.; Hörmann, N.; Hrubec, J.; Jeitler, M.; Kiesenhofer, W.; Knapitsch, A.; Krammer, M.; Liko, D.; Mikulec, I.; Pernicka, M.; Rahbaran, B.; Rohringer, H.; Schöfbeck, R.; Strauss, J.; Taurok, A.; Teischinger, F.; Trauner, C.; Wagner, P.; Waltenberger, W.; Walzel, G.; Widl, E.; Wulz, C. E.; Mossolov, V.; Shumeiko, N.; Suarez Gonzalez, J.; Bansal, S.; Benucci, L.; Cornelis, T.; De Wolf, E. A.; Janssen, X.; Luyckx, S.; Maes, T.; Mucibello, L.; Ochesanu, S.; Roland, B.; Rougny, R.; Selvaggi, M.; Van Haevermaet, H.; Van Mechelen, P.; Van Remortel, N.; Van Spilbeeck, A.; Blekman, F.; Blyweert, S.; D'Hondt, J.; Gonzalez Suarez, R.; Kalogeropoulos, A.; Maes, M.; Olbrechts, A.; Van Doninck, W.; Van Mulders, P.; Van Onsem, G. P.; Villella, I.; Charaf, O.; Clerbaux, B.; De Lentdecker, G.; Dero, V.; Gay, A. P.R.; Hammad, G. H.; Hreus, T.; Léonard, A.; Marage, P. E.; Thomas, L.; Vander Velde, C.; Vanlaer, P.; Wickens, J.; Adler, V.; Beernaert, K.; Cimmino, A.; Costantini, S.; Grunewald, M.; Klein, B.; Lellouch, J.; Marinov, A.; McCartin, J.; Ocampo Rios, A. A.; Ryckbosch, D.; Strobbe, N.; Thyssen, F.; Tytgat, M.; Vanelderen, L.; Verwilligen, P.; Walsh, S.; Zaganidis, N.; Basegmez, S.; Bruno, G.; Caudron, J.; Ceard, L.

In: Journal of High Energy Physics, Vol. 2012, No. 1, 133, 2012.

Research output: Contribution to journal › Article › peer-review

Chatrchyan, S, Khachatryan, V, M. Sirunyan, A, Tumasyan, A, Adam, W, Bergauer, T, Dragicevic, M, Erö, J, Fabjan, C, Friedl, M, Frühwirth, R, Ghete, VM, Hammer, J, Hoch, M, Hörmann, N, Hrubec, J, Jeitler, M, Kiesenhofer, W, Knapitsch, A, Krammer, M, Liko, D, Mikulec, I, Pernicka, M, Rahbaran, B, Rohringer, H, Schöfbeck, R, Strauss, J, Taurok, A, Teischinger, F, Trauner, C, Wagner, P, Waltenberger, W, Walzel, G, Widl, E, Wulz, CE, Mossolov, V, Shumeiko, N, Suarez Gonzalez, J, Bansal, S, Benucci, L, Cornelis, T, De Wolf, EA, Janssen, X, Luyckx, S, Maes, T, Mucibello, L, Ochesanu, S, Roland, B, Rougny, R, Selvaggi, M, Van Haevermaet, H, Van Mechelen, P, Van Remortel, N, Van Spilbeeck, A, Blekman, F, Blyweert, S, D'Hondt, J, Gonzalez Suarez, R, Kalogeropoulos, A, Maes, M, Olbrechts, A, Van Doninck, W, Van Mulders, P, Van Onsem, GP, Villella, I, Charaf, O, Clerbaux, B, De Lentdecker, G, Dero, V, Gay, APR, Hammad, GH, Hreus, T, Léonard, A, Marage, PE, Thomas, L, Vander Velde, C, Vanlaer, P, Wickens, J, Adler, V, Beernaert, K, Cimmino, A, Costantini, S, Grunewald, M, Klein, B, Lellouch, J, Marinov, A, McCartin, J, Ocampo Rios, AA, Ryckbosch, D, Strobbe, N, Thyssen, F, Tytgat, M, Vanelderen, L, Verwilligen, P, Walsh, S, Zaganidis, N, Basegmez, S, Bruno, G, Caudron, J & Ceard, L 2012, 'Measurement of the production cross section for pairs of isolated photons in pp collisions at √s = 7 TeV', Journal of High Energy Physics, vol. 2012, no. 1, 133. https://doi.org/10.1007/JHEP01(2012)133

Chatrchyan, S. ; Khachatryan, V. ; M. Sirunyan, A. ; Tumasyan, A. ; Adam, W. ; Bergauer, T. ; Dragicevic, M. ; Erö, J. ; Fabjan, C. ; Friedl, M. ; Frühwirth, R. ; Ghete, V. M. ; Hammer, J. ; Hoch, M. ; Hörmann, N. ; Hrubec, J. ; Jeitler, M. ; Kiesenhofer, W. ; Knapitsch, A. ; Krammer, M. ; Liko, D. ; Mikulec, I. ; Pernicka, M. ; Rahbaran, B. ; Rohringer, H. ; Schöfbeck, R. ; Strauss, J. ; Taurok, A. ; Teischinger, F. ; Trauner, C. ; Wagner, P. ; Waltenberger, W. ; Walzel, G. ; Widl, E. ; Wulz, C. E. ; Mossolov, V. ; Shumeiko, N. ; Suarez Gonzalez, J. ; Bansal, S. ; Benucci, L. ; Cornelis, T. ; De Wolf, E. A. ; Janssen, X. ; Luyckx, S. ; Maes, T. ; Mucibello, L. ; Ochesanu, S. ; Roland, B. ; Rougny, R. ; Selvaggi, M. ; Van Haevermaet, H. ; Van Mechelen, P. ; Van Remortel, N. ; Van Spilbeeck, A. ; Blekman, F. ; Blyweert, S. ; D'Hondt, J. ; Gonzalez Suarez, R. ; Kalogeropoulos, A. ; Maes, M. ; Olbrechts, A. ; Van Doninck, W. ; Van Mulders, P. ; Van Onsem, G. P. ; Villella, I. ; Charaf, O. ; Clerbaux, B. ; De Lentdecker, G. ; Dero, V. ; Gay, A. P.R. ; Hammad, G. H. ; Hreus, T. ; Léonard, A. ; Marage, P. E. ; Thomas, L. ; Vander Velde, C. ; Vanlaer, P. ; Wickens, J. ; Adler, V. ; Beernaert, K. ; Cimmino, A. ; Costantini, S. ; Grunewald, M. ; Klein, B. ; Lellouch, J. ; Marinov, A. ; McCartin, J. ; Ocampo Rios, A. A. ; Ryckbosch, D. ; Strobbe, N. ; Thyssen, F. ; Tytgat, M. ; Vanelderen, L. ; Verwilligen, P. ; Walsh, S. ; Zaganidis, N. ; Basegmez, S. ; Bruno, G. ; Caudron, J. ; Ceard, L. / Measurement of the production cross section for pairs of isolated photons in pp collisions at √s = 7 TeV. In: Journal of High Energy Physics. 2012 ; Vol. 2012, No. 1.

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title = "Measurement of the production cross section for pairs of isolated photons in pp collisions at √s = 7 TeV",

abstract = "Abstract: The integrated and differential cross sections for the production of pairs of isolated photons is measured in proton-proton collisions at a centre-of-mass energy of 7TeV with the CMS detector at the LHC. A data sample corresponding to an integrated luminosity of 36 pb -1 is analysed. A next-to-leading-order perturbative QCD calculation is compared to the measurements. A discrepancy is observed for regions of the phase space where the two photons have an azimuthal angle difference Δ ℓ ≲. 2:8 rad.",

keywords = "Hadron-hadron scattering",

author = "S. Chatrchyan and V. Khachatryan and {M. Sirunyan}, A. and A. Tumasyan and W. Adam and T. Bergauer and M. Dragicevic and J. Er{\"o} and C. Fabjan and M. Friedl and R. Fr{\"u}hwirth and Ghete, {V. M.} and J. Hammer and M. Hoch and N. H{\"o}rmann and J. Hrubec and M. Jeitler and W. Kiesenhofer and A. Knapitsch and M. Krammer and D. Liko and I. Mikulec and M. Pernicka and B. Rahbaran and H. Rohringer and R. Sch{\"o}fbeck and J. Strauss and A. Taurok and F. Teischinger and C. Trauner and P. Wagner and W. Waltenberger and G. Walzel and E. Widl and Wulz, {C. E.} and V. Mossolov and N. Shumeiko and {Suarez Gonzalez}, J. and S. Bansal and L. Benucci and T. Cornelis and {De Wolf}, {E. A.} and X. Janssen and S. Luyckx and T. Maes and L. Mucibello and S. Ochesanu and B. Roland and R. Rougny and M. Selvaggi and {Van Haevermaet}, H. and {Van Mechelen}, P. and {Van Remortel}, N. and {Van Spilbeeck}, A. and F. Blekman and S. Blyweert and J. D'Hondt and {Gonzalez Suarez}, R. and A. Kalogeropoulos and M. Maes and A. Olbrechts and {Van Doninck}, W. and {Van Mulders}, P. and {Van Onsem}, {G. P.} and I. Villella and O. Charaf and B. Clerbaux and {De Lentdecker}, G. and V. Dero and Gay, {A. P.R.} and Hammad, {G. H.} and T. Hreus and A. L{\'e}onard and Marage, {P. E.} and L. Thomas and {Vander Velde}, C. and P. Vanlaer and J. Wickens and V. Adler and K. Beernaert and A. Cimmino and S. Costantini and M. Grunewald and B. Klein and J. Lellouch and A. Marinov and J. McCartin and {Ocampo Rios}, {A. A.} and D. Ryckbosch and N. Strobbe and F. Thyssen and M. Tytgat and L. Vanelderen and P. Verwilligen and S. Walsh and N. Zaganidis and S. Basegmez and G. Bruno and J. Caudron and L. Ceard",

year = "2012",

doi = "10.1007/JHEP01(2012)133",

language = "English (US)",

volume = "2012",

journal = "Journal of High Energy Physics",

issn = "1126-6708",

publisher = "Springer Verlag",

number = "1",

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TY - JOUR

T1 - Measurement of the production cross section for pairs of isolated photons in pp collisions at √s = 7 TeV

AU - Chatrchyan, S.

AU - Khachatryan, V.

AU - M. Sirunyan, A.

AU - Tumasyan, A.

AU - Adam, W.

AU - Bergauer, T.

AU - Dragicevic, M.

AU - Erö, J.

AU - Fabjan, C.

AU - Friedl, M.

AU - Frühwirth, R.

AU - Ghete, V. M.

AU - Hammer, J.

AU - Hoch, M.

AU - Hörmann, N.

AU - Hrubec, J.

AU - Jeitler, M.

AU - Kiesenhofer, W.

AU - Knapitsch, A.

AU - Krammer, M.

AU - Liko, D.

AU - Mikulec, I.

AU - Pernicka, M.

AU - Rahbaran, B.

AU - Rohringer, H.

AU - Schöfbeck, R.

AU - Strauss, J.

AU - Taurok, A.

AU - Teischinger, F.

AU - Trauner, C.

AU - Wagner, P.

AU - Waltenberger, W.

AU - Walzel, G.

AU - Widl, E.

AU - Wulz, C. E.

AU - Mossolov, V.

AU - Shumeiko, N.

AU - Suarez Gonzalez, J.

AU - Bansal, S.

AU - Benucci, L.

AU - Cornelis, T.

AU - De Wolf, E. A.

AU - Janssen, X.

AU - Luyckx, S.

AU - Maes, T.

AU - Mucibello, L.

AU - Ochesanu, S.

AU - Roland, B.

AU - Rougny, R.

AU - Selvaggi, M.

AU - Van Haevermaet, H.

AU - Van Mechelen, P.

AU - Van Remortel, N.

AU - Van Spilbeeck, A.

AU - Blekman, F.

AU - Blyweert, S.

AU - D'Hondt, J.

AU - Gonzalez Suarez, R.

AU - Kalogeropoulos, A.

AU - Maes, M.

AU - Olbrechts, A.

AU - Van Doninck, W.

AU - Van Mulders, P.

AU - Van Onsem, G. P.

AU - Villella, I.

AU - Charaf, O.

AU - Clerbaux, B.

AU - De Lentdecker, G.

AU - Dero, V.

AU - Gay, A. P.R.

AU - Hammad, G. H.

AU - Hreus, T.

AU - Léonard, A.

AU - Marage, P. E.

AU - Thomas, L.

AU - Vander Velde, C.

AU - Vanlaer, P.

AU - Wickens, J.

AU - Adler, V.

AU - Beernaert, K.

AU - Cimmino, A.

AU - Costantini, S.

AU - Grunewald, M.

AU - Klein, B.

AU - Lellouch, J.

AU - Marinov, A.

AU - McCartin, J.

AU - Ocampo Rios, A. A.

AU - Ryckbosch, D.

AU - Strobbe, N.

AU - Thyssen, F.

AU - Tytgat, M.

AU - Vanelderen, L.

AU - Verwilligen, P.

AU - Walsh, S.

AU - Zaganidis, N.

AU - Basegmez, S.

AU - Bruno, G.

AU - Caudron, J.

AU - Ceard, L.

PY - 2012

Y1 - 2012

N2 - Abstract: The integrated and differential cross sections for the production of pairs of isolated photons is measured in proton-proton collisions at a centre-of-mass energy of 7TeV with the CMS detector at the LHC. A data sample corresponding to an integrated luminosity of 36 pb -1 is analysed. A next-to-leading-order perturbative QCD calculation is compared to the measurements. A discrepancy is observed for regions of the phase space where the two photons have an azimuthal angle difference Δ ℓ ≲. 2:8 rad.

AB - Abstract: The integrated and differential cross sections for the production of pairs of isolated photons is measured in proton-proton collisions at a centre-of-mass energy of 7TeV with the CMS detector at the LHC. A data sample corresponding to an integrated luminosity of 36 pb -1 is analysed. A next-to-leading-order perturbative QCD calculation is compared to the measurements. A discrepancy is observed for regions of the phase space where the two photons have an azimuthal angle difference Δ ℓ ≲. 2:8 rad.

KW - Hadron-hadron scattering

UR - http://www.scopus.com/inward/record.url?scp=84857339611&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84857339611&partnerID=8YFLogxK

U2 - 10.1007/JHEP01(2012)133

DO - 10.1007/JHEP01(2012)133

M3 - Article

AN - SCOPUS:84857339611

VL - 2012

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

SN - 1126-6708

IS - 1

M1 - 133

ER -

Measurement of the production cross section for pairs of isolated photons in pp collisions at √s = 7 TeV

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