φ-meson photoproduction on hydrogen in the neutral decay mode

被引：34

作者：

Seraydaryan, H. ^{[1
]}

Amaryan, M. J. ^{[1
]}

Gavalian, G. ^{[1
]}

Baghdasaryan, H. ^{[2
]}

Weinstein, L. ^{[1
]}

Adhikari, K. P. ^{[1
]}

Adikaram, D. ^{[1
]}

Aghasyan, M. ^{[3
]}

Anderson, M. D. ^{[4
]}

Pereira, S. Anefalos ^{[3
]}

Avakian, H. ^{[5
]}

Ball, J. ^{[6
]}

Baltzell, N. A. ^{[7
,8
]}

Battaglieri, M. ^{[9
]}

Batourine, V. ^{[5
,10
]}

Bedlinskiy, I. ^{[11
]}

Bennett, R. P. ^{[1
]}

Biselli, A. S. ^{[12
]}

Bono, J. ^{[13
]}

Boiarinov, S. ^{[5
]}

Briscoe, W. J. ^{[14
]}

Brooks, W. K. ^{[5
,15
]}

Bueltmann, S. ^{[1
]}

Burkert, V. D. ^{[5
]}

Carman, D. S. ^{[5
]}

Celentano, A. ^{[9
]}

Chandavar, S. ^{[16
]}

Collins, P. ^{[17
]}

Contalbrigo, M. ^{[18
]}

Cortes, O. ^{[19
]}

Crede, V. ^{[20
]}

D'Angelo, A. ^{[21
,22
]}

Dashyan, N. ^{[23
]}

De Vita, R. ^{[9
]}

De Sanctis, E. ^{[3
]}

Deur, A. ^{[5
]}

Djalali, C. ^{[8
]}

Doughty, D. ^{[5
,24
]}

Dugger, M. ^{[25
]}

Dupre, R. ^{[26
]}

El Fassi, L. ^{[7
]}

Eugenio, P. ^{[20
]}

Fedotov, G. ^{[8
,27
]}

Fegan, S. ^{[9
]}

Fersch, R. ^{[28
]}

Fleming, J. A. ^{[29
]}

Gevorgyan, N. ^{[23
]}

Giovanetti, K. L. ^{[30
]}

Girod, F. X. ^{[5
,6
]}

Goetz, J. T. ^{[16
]}

机构：

[1] Old Dominion Univ, Norfolk, VA 23529 USA

[2] Univ Virginia, Charlottesville, VA 22904 USA

[3] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy

[4] Univ Glasgow, Glasgow G12 8QQ, Lanark, Scotland

[5] Thomas Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA

[6] CEA, Ctr Saclay, Irfu Serv Phys Nucl, F-91191 Gif Sur Yvette, France

[7] Argonne Natl Lab, Argonne, IL 60439 USA

[8] Univ S Carolina, Columbia, SC 29208 USA

[9] Ist Nazl Fis Nucl, Sez Genova, I-16146 Genoa, Italy

[10] Kyungpook Natl Univ, Daegu 702701, South Korea

[11] Inst Theoret & Expt Phys, Moscow 117259, Russia

[12] Fairfield Univ, Fairfield, CT 06824 USA

[13] Florida Int Univ, Miami, FL 33199 USA

[14] George Washington Univ, Washington, DC 20052 USA

[15] Univ Tecn Federico Santa Maria, Valparaiso, Chile

[16] Ohio Univ, Athens, OH 45701 USA

[17] Catholic Univ Amer, Washington, DC 20064 USA

[18] Ist Nazl Fis Nucl, Sez Ferrara, I-44100 Ferrara, Italy

[19] Idaho State Univ, Pocatello, ID 83209 USA

[20] Florida State Univ, Tallahassee, FL 32306 USA

[21] Ist Nazl Fis Nucl, Sez Roma Tor Vergata, I-00133 Rome, Italy

[22] Univ Roma Tor Vergata, I-00133 Rome, Italy

[23] Yerevan Phys Inst, Yerevan 375036, Armenia

[24] Christopher Newport Univ, Newport News, VA 23606 USA

[25] Arizona State Univ, Tempe, AZ 85287 USA

[26] ORSAY, Inst Phys Nucl, Orsay, France

[27] Skobeltsyn Nucl Phys Inst, Moscow 119899, Russia

[28] Coll William & Mary, Williamsburg, VA 23187 USA

[29] Univ Edinburgh, Edinburgh EH9 3JZ, Midlothian, Scotland

[30] James Madison Univ, Harrisonburg, VA 22807 USA

[31] Univ Connecticut, Storrs, CT 06269 USA

[32] Univ Virginia, Charlottesville, VA 22901 USA

[33] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA

[34] Univ New Hampshire, Durham, NH 03824 USA

[35] Norfolk State Univ, Norfolk, VA 23504 USA

[36] Rensselaer Polytech Inst, Troy, NY 12180 USA

[37] Calif State Univ Dominguez Hills, Carson, CA 90747 USA

[38] Union Coll, Schenectady, Schenectady, NY 12308 USA

[39] Univ Joseph Fourier, LPSC, CNRS IN2P3, INPG, Grenoble, France

[40] Canisius Coll, Buffalo, NY 14208 USA

来源：

PHYSICAL REVIEW C | 2014年 / 89卷 / 05期

基金：

美国国家科学基金会; 美国能源部; 英国科学技术设施理事会;

关键词：

LARGE MOMENTUM-TRANSFER; DRIFT CHAMBER; BARYON RESONANCES; PERTURBATIVE QCD; CLAS; SYSTEM;

D O I：

10.1103/PhysRevC.89.055206

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

We report the first measurement of the photoproduction cross section of the phi meson in its neutral decay mode in the reaction gamma p -> p phi(KSKL). The experiment was performed with a tagged photon beam of energy 1.6 <= E-gamma <= 3.6 GeV incident on a liquid hydrogen target of the CLAS spectrometer at the Thomas Jefferson National Accelerator Facility. The p phi final state is identified via reconstruction of K-S in the invariant mass of two oppositely charged pions and by requiring the missing particle in the reaction gamma p -> pK(S)X to be K-L. The presented results significantly enlarge the existing data on phi photoproduction. These data, combined with the data from the charged decay mode, will help to constrain different mechanisms of phi photoproduction.

引用

页数：17

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