Measurement of direct f0(980) photoproduction on the proton

M. Battaglieri; R. De Vita; A. P. Szczepaniak; K. P. Adhikari; M. Aghasyan; M. J. Amaryan; P. Ambrozewicz; M. Anghinolfi; G. Asryan; H. Avakian; H. Bagdasaryan; N. Baillie; J. P. Ball; N. A. Baltzell; V. Batourine; I. Bedlinskiy; M. Bellis; N. Benmouna; B. L. Berman; L. Bibrzycki; A. S. Biselli; C. Bookwalter; S. Bouchigny; S. Boiarinov; R. Bradford; D. Branford; W. J. Briscoe; W. K. Brooks; S. Bültmann; V. D. Burkert; J. R. Calarco; S. L. Careccia; D. S. Carman; L. Casey; S. Chen; L. Cheng; E. Clinton; P. L. Cole; P. Collins; D. Crabb; H. Crannell; V. Crede; J. P. Cummings; D. Dale; A. Daniel; N. Dashyan; R. De Masi; E. De Sanctis; P. V. Degtyarenko; A. Deur

doi:10.1103/PhysRevLett.102.102001

Measurement of direct f0(980) photoproduction on the proton

M. Battaglieri, R. De Vita, A. P. Szczepaniak, K. P. Adhikari, M. Aghasyan, M. J. Amaryan, P. Ambrozewicz, M. Anghinolfi, G. Asryan, H. Avakian, H. Bagdasaryan, N. Baillie, J. P. Ball, N. A. Baltzell, V. Batourine, I. Bedlinskiy, M. Bellis, N. Benmouna, B. L. Berman, L. BibrzyckiA. S. Biselli, C. Bookwalter, S. Bouchigny, S. Boiarinov, R. Bradford, D. Branford, W. J. Briscoe, W. K. Brooks, S. Bültmann, V. D. Burkert, J. R. Calarco, S. L. Careccia, D. S. Carman, L. Casey, S. Chen, L. Cheng, E. Clinton, P. L. Cole, P. Collins, D. Crabb, H. Crannell, V. Crede, J. P. Cummings, D. Dale, A. Daniel, N. Dashyan, R. De Masi, E. De Sanctis, P. V. Degtyarenko, A. Deur

Physics and Astronomy (Twin Cities)

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

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Abstract

We report on the results of the first measurement of exclusive f0(980) meson photoproduction on protons for Eγ=3.0-3.8GeV and -t=0.4-1.0GeV2. Data were collected with the CLAS detector at the Thomas Jefferson National Accelerator Facility. The resonance was detected via its decay in the π+π- channel by performing a partial wave analysis of the reaction γp→pπ+π-. Clear evidence of the f0(980) meson was found in the interference between P and S waves at Mπ+π-∼1GeV. The S-wave differential cross section integrated in the mass range of the f0(980) was found to be a factor of about 50 smaller than the cross section for the ρ meson. This is the first time the f0(980) meson has been measured in a photoproduction experiment.

Original language	English (US)
Article number	102001
Journal	Physical review letters
Volume	102
Issue number	10
DOIs	https://doi.org/10.1103/PhysRevLett.102.102001
State	Published - Mar 9 2009

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Battaglieri, M., De Vita, R., Szczepaniak, A. P., Adhikari, K. P., Aghasyan, M., Amaryan, M. J., Ambrozewicz, P., Anghinolfi, M., Asryan, G., Avakian, H., Bagdasaryan, H., Baillie, N., Ball, J. P., Baltzell, N. A., Batourine, V., Bedlinskiy, I., Bellis, M., Benmouna, N., Berman, B. L., ... Deur, A. (2009). Measurement of direct f0(980) photoproduction on the proton. Physical review letters, 102(10), [102001]. https://doi.org/10.1103/PhysRevLett.102.102001

Measurement of direct f0(980) photoproduction on the proton. / Battaglieri, M.; De Vita, R.; Szczepaniak, A. P.; Adhikari, K. P.; Aghasyan, M.; Amaryan, M. J.; Ambrozewicz, P.; Anghinolfi, M.; Asryan, G.; Avakian, H.; Bagdasaryan, H.; Baillie, N.; Ball, J. P.; Baltzell, N. A.; Batourine, V.; Bedlinskiy, I.; Bellis, M.; Benmouna, N.; Berman, B. L.; Bibrzycki, L.; Biselli, A. S.; Bookwalter, C.; Bouchigny, S.; Boiarinov, S.; Bradford, R.; Branford, D.; Briscoe, W. J.; Brooks, W. K.; Bültmann, S.; Burkert, V. D.; Calarco, J. R.; Careccia, S. L.; Carman, D. S.; Casey, L.; Chen, S.; Cheng, L.; Clinton, E.; Cole, P. L.; Collins, P.; Crabb, D.; Crannell, H.; Crede, V.; Cummings, J. P.; Dale, D.; Daniel, A.; Dashyan, N.; De Masi, R.; De Sanctis, E.; Degtyarenko, P. V.; Deur, A.

In: Physical review letters, Vol. 102, No. 10, 102001, 09.03.2009.

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

Battaglieri, M, De Vita, R, Szczepaniak, AP, Adhikari, KP, Aghasyan, M, Amaryan, MJ, Ambrozewicz, P, Anghinolfi, M, Asryan, G, Avakian, H, Bagdasaryan, H, Baillie, N, Ball, JP, Baltzell, NA, Batourine, V, Bedlinskiy, I, Bellis, M, Benmouna, N, Berman, BL, Bibrzycki, L, Biselli, AS, Bookwalter, C, Bouchigny, S, Boiarinov, S, Bradford, R, Branford, D, Briscoe, WJ, Brooks, WK, Bültmann, S, Burkert, VD, Calarco, JR, Careccia, SL, Carman, DS, Casey, L, Chen, S, Cheng, L, Clinton, E, Cole, PL, Collins, P, Crabb, D, Crannell, H, Crede, V, Cummings, JP, Dale, D, Daniel, A, Dashyan, N, De Masi, R, De Sanctis, E, Degtyarenko, PV & Deur, A 2009, 'Measurement of direct f0(980) photoproduction on the proton', Physical review letters, vol. 102, no. 10, 102001. https://doi.org/10.1103/PhysRevLett.102.102001

Battaglieri, M. ; De Vita, R. ; Szczepaniak, A. P. ; Adhikari, K. P. ; Aghasyan, M. ; Amaryan, M. J. ; Ambrozewicz, P. ; Anghinolfi, M. ; Asryan, G. ; Avakian, H. ; Bagdasaryan, H. ; Baillie, N. ; Ball, J. P. ; Baltzell, N. A. ; Batourine, V. ; Bedlinskiy, I. ; Bellis, M. ; Benmouna, N. ; Berman, B. L. ; Bibrzycki, L. ; Biselli, A. S. ; Bookwalter, C. ; Bouchigny, S. ; Boiarinov, S. ; Bradford, R. ; Branford, D. ; Briscoe, W. J. ; Brooks, W. K. ; Bültmann, S. ; Burkert, V. D. ; Calarco, J. R. ; Careccia, S. L. ; Carman, D. S. ; Casey, L. ; Chen, S. ; Cheng, L. ; Clinton, E. ; Cole, P. L. ; Collins, P. ; Crabb, D. ; Crannell, H. ; Crede, V. ; Cummings, J. P. ; Dale, D. ; Daniel, A. ; Dashyan, N. ; De Masi, R. ; De Sanctis, E. ; Degtyarenko, P. V. ; Deur, A. / Measurement of direct f0(980) photoproduction on the proton. In: Physical review letters. 2009 ; Vol. 102, No. 10.

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title = "Measurement of direct f0(980) photoproduction on the proton",

abstract = "We report on the results of the first measurement of exclusive f0(980) meson photoproduction on protons for Eγ=3.0-3.8GeV and -t=0.4-1.0GeV2. Data were collected with the CLAS detector at the Thomas Jefferson National Accelerator Facility. The resonance was detected via its decay in the π+π- channel by performing a partial wave analysis of the reaction γp→pπ+π-. Clear evidence of the f0(980) meson was found in the interference between P and S waves at Mπ+π-∼1GeV. The S-wave differential cross section integrated in the mass range of the f0(980) was found to be a factor of about 50 smaller than the cross section for the ρ meson. This is the first time the f0(980) meson has been measured in a photoproduction experiment.",

author = "M. Battaglieri and {De Vita}, R. and Szczepaniak, {A. P.} and Adhikari, {K. P.} and M. Aghasyan and Amaryan, {M. J.} and P. Ambrozewicz and M. Anghinolfi and G. Asryan and H. Avakian and H. Bagdasaryan and N. Baillie and Ball, {J. P.} and Baltzell, {N. A.} and V. Batourine and I. Bedlinskiy and M. Bellis and N. Benmouna and Berman, {B. L.} and L. Bibrzycki and Biselli, {A. S.} and C. Bookwalter and S. Bouchigny and S. Boiarinov and R. Bradford and D. Branford and Briscoe, {W. J.} and Brooks, {W. K.} and S. B{\"u}ltmann and Burkert, {V. D.} and Calarco, {J. R.} and Careccia, {S. L.} and Carman, {D. S.} and L. Casey and S. Chen and L. Cheng and E. Clinton and Cole, {P. L.} and P. Collins and D. Crabb and H. Crannell and V. Crede and Cummings, {J. P.} and D. Dale and A. Daniel and N. Dashyan and {De Masi}, R. and {De Sanctis}, E. and Degtyarenko, {P. V.} and A. Deur",

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AU - Battaglieri, M.

AU - De Vita, R.

AU - Szczepaniak, A. P.

AU - Adhikari, K. P.

AU - Aghasyan, M.

AU - Amaryan, M. J.

AU - Ambrozewicz, P.

AU - Anghinolfi, M.

AU - Asryan, G.

AU - Avakian, H.

AU - Bagdasaryan, H.

AU - Baillie, N.

AU - Ball, J. P.

AU - Baltzell, N. A.

AU - Batourine, V.

AU - Bedlinskiy, I.

AU - Bellis, M.

AU - Benmouna, N.

AU - Berman, B. L.

AU - Bibrzycki, L.

AU - Biselli, A. S.

AU - Bookwalter, C.

AU - Bouchigny, S.

AU - Boiarinov, S.

AU - Bradford, R.

AU - Branford, D.

AU - Briscoe, W. J.

AU - Brooks, W. K.

AU - Bültmann, S.

AU - Burkert, V. D.

AU - Calarco, J. R.

AU - Careccia, S. L.

AU - Carman, D. S.

AU - Casey, L.

AU - Chen, S.

AU - Cheng, L.

AU - Clinton, E.

AU - Cole, P. L.

AU - Collins, P.

AU - Crabb, D.

AU - Crannell, H.

AU - Crede, V.

AU - Cummings, J. P.

AU - Dale, D.

AU - Daniel, A.

AU - Dashyan, N.

AU - De Masi, R.

AU - De Sanctis, E.

AU - Degtyarenko, P. V.

AU - Deur, A.

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N2 - We report on the results of the first measurement of exclusive f0(980) meson photoproduction on protons for Eγ=3.0-3.8GeV and -t=0.4-1.0GeV2. Data were collected with the CLAS detector at the Thomas Jefferson National Accelerator Facility. The resonance was detected via its decay in the π+π- channel by performing a partial wave analysis of the reaction γp→pπ+π-. Clear evidence of the f0(980) meson was found in the interference between P and S waves at Mπ+π-∼1GeV. The S-wave differential cross section integrated in the mass range of the f0(980) was found to be a factor of about 50 smaller than the cross section for the ρ meson. This is the first time the f0(980) meson has been measured in a photoproduction experiment.

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