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Title: Nonperturbative transverse-momentum-dependent effects in dihadron and direct photon-hadron angular correlations in p + p collisions at s = 200     GeV

Abstract

Dihadron and isolated direct photon-hadron angular correlations are measured in p+p collisions at $$\sqrt{s}$$=200 GeV. The correlations are sensitive to nonperturbative initial-state and final-state transverse momenta kT and jT in the azimuthal nearly back-to-back region Δφ~π. To have sensitivity to small transverse momentum scales, nonperturbative momentum widths of pout, the out-of-plane transverse-momentum component perpendicular to the trigger particle, are measured. In this region, the evolution of pout can be studied when several different hard scales are measured. These widths are used to investigate possible effects from transverse-momentum-dependent factorization breaking. When accounting for the longitudinal-momentum fraction of the away-side hadron with respect to the near-side trigger particle, the widths are found to increase with the hard scale; this is qualitatively similar to the observed behavior in Drell-Yan and semi-inclusive deep-inelastic scattering interactions, where factorization is predicted to hold. The momentum widths are also studied as a function of center-of-mass energy by comparing to previous measurements at $$\sqrt{s}$$ =510 GeV. The nonperturbative jet widths also appear to increase with $$\sqrt{s}$$ at a similar xT, which is qualitatively consistent to similar measurements in Drell-Yan interactions. Future detailed global comparisons between measurements of processes where transverse-momentum-dependent factorization is predicted to hold and be broken will provide further insight into the role of color in hadronic interactions.

Authors:
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Publication Date:
Research Org.:
Brookhaven National Laboratory (BNL), Upton, NY (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP)
Contributing Org.:
PHENIX Collaboration
OSTI Identifier:
1478568
Alternate Identifier(s):
OSTI ID: 1478484; OSTI ID: 1582613
Report Number(s):
BNL-209309-2018-JAAM
Journal ID: ISSN 2470-0010; PRVDAQ; 072004
Grant/Contract Number:  
AC02-05CH11231; SC0012704
Resource Type:
Published Article
Journal Name:
Physical Review. D.
Additional Journal Information:
Journal Name: Physical Review. D. Journal Volume: 98 Journal Issue: 7; Journal ID: ISSN 2470-0010
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; particle correlations & fluctuations; relativistic heavy-ion collisions; hadron colliders; hadrons; photons

Citation Formats

Aidala, C., Akiba, Y., Alfred, M., Andrieux, V., Apadula, N., Asano, H., Azmoun, B., Babintsev, V., Bagoly, A., Bandara, N. S., Barish, K. N., Bathe, S., Bazilevsky, A., Beaumier, M., Belmont, R., Berdnikov, A., Berdnikov, Y., Blau, D. S., Boer, M., Bok, J. S., Brooks, M. L., Bryslawskyj, J., Bumazhnov, V., Campbell, S., Canoa Roman, V., Cervantes, R., Chi, C. Y., Chiu, M., Choi, I. J., Choi, J. B., Citron, Z., Connors, M., Cronin, N., Csanád, M., Csörgő, T., Danley, T. W., Daugherity, M. S., David, G., DeBlasio, K., Dehmelt, K., Denisov, A., Deshpande, A., Desmond, E. J., Dion, A., Dixit, D., Do, J. H., Drees, A., Drees, K. A., Durham, J. M., Durum, A., Enokizono, A., En’yo, H., Esumi, S., Fadem, B., Fan, W., Feege, N., Fields, D. E., Finger, M., Finger, M., Fokin, S. L., Frantz, J. E., Franz, A., Frawley, A. D., Fukuda, Y., Gal, C., Gallus, P., Garg, P., Ge, H., Giordano, F., Goto, Y., Grau, N., Greene, S. V., Grosse Perdekamp, M., Gunji, T., Guragain, H., Hachiya, T., Haggerty, J. S., Hahn, K. I., Hamagaki, H., Hamilton, H. F., Han, S. Y., Hanks, J., Hasegawa, S., Haseler, T. O. S., He, X., Hemmick, T. K., Hill, J. C., Hill, K., Hodges, A., Hollis, R. S., Homma, K., Hong, B., Hoshino, T., Hotvedt, N., Huang, J., Huang, S., Imai, K., Inaba, M., Iordanova, A., Isenhower, D., Ivanishchev, D., Jacak, B. V., Jezghani, M., Ji, Z., Jiang, X., Johnson, B. M., Jouan, D., Jumper, D. S., Kang, J. H., Kapukchyan, D., Karthas, S., Kawall, D., Kazantsev, A. V., Khachatryan, V., Khanzadeev, A., Kim, C., Kim, E. -J., Kim, M., Kincses, D., Kistenev, E., Klatsky, J., Kline, P., Koblesky, T., Kotov, D., Kudo, S., Kurgyis, B., Kurita, K., Kwon, Y., Lajoie, J. G., Lebedev, A., Lee, S., Lee, S. H., Leitch, M. J., Leung, Y. H., Lewis, N. A., Li, X., Lim, S. H., Liu, M. X., Loggins, V. -R., Lökös, S., Lovasz, K., Lynch, D., Majoros, T., Makdisi, Y. I., Makek, M., Manko, V. I., Mannel, E., McCumber, M., McGaughey, P. L., McGlinchey, D., McKinney, C., Mendoza, M., Mignerey, A. C., Mihalik, D. E., Milov, A., Mishra, D. K., Mitchell, J. T., Mitsuka, G., Miyasaka, S., Mizuno, S., Montuenga, P., Moon, T., Morrison, D. P., Morrow, S. I., Murakami, T., Murata, J., Nagai, K., Nagashima, K., Nagashima, T., Nagle, J. L., Nagy, M. I., Nakagawa, I., Nakano, K., Nattrass, C., Niida, T., Nouicer, R., Novák, T., Novitzky, N., Nyanin, A. S., O’Brien, E., Ogilvie, C. A., Orjuela Koop, J. D., Osborn, J. D., Oskarsson, A., Ottino, G. J., Ozawa, K., Pantuev, V., Papavassiliou, V., Park, J. S., Park, S., Pate, S. F., Patel, M., Peng, W., Perepelitsa, D. V., Perera, G. D. N., Peressounko, D. Yu., PerezLara, C. E., Perry, J., Petti, R., Phipps, M., Pinkenburg, C., Pisani, R. P., Purschke, M. L., Radzevich, P. V., Read, K. F., Reynolds, D., Riabov, V., Riabov, Y., Richford, D., Rinn, T., Rolnick, S. D., Rosati, M., Rowan, Z., Runchey, J., Safonov, A. S., Sakaguchi, T., Sako, H., Samsonov, V., Sarsour, M., Sato, S., Schaefer, B., Schmoll, B. K., Sedgwick, K., Seidl, R., Sen, A., Seto, R., Sexton, A., Sharma, D., Shein, I., Shibata, T. -A., Shigaki, K., Shimomura, M., Shioya, T., Shukla, P., Sickles, A., Silva, C. L., Silvermyr, D., Singh, B. K., Singh, C. P., Singh, V., Skoby, M. J., Slunečka, M., Snowball, M., Soltz, R. A., Sondheim, W. E., Sorensen, S. P., Sourikova, I. V., Stankus, P. W., Stoll, S. P., Sugitate, T., Sukhanov, A., Sumita, T., Sun, J., Sun, Z., Sziklai, J., Tanida, K., Tannenbaum, M. J., Tarafdar, S., Taranenko, A., Tarnai, G., Tieulent, R., Timilsina, A., Todoroki, T., Tomášek, M., Towell, C. L., Towell, R. S., Tserruya, I., Ueda, Y., Ujvari, B., van Hecke, H. W., Velkovska, J., Virius, M., Vrba, V., Vukman, N., Wang, X. R., Watanabe, Y. S., Wong, C. P., Woody, C. L., Xu, C., Xu, Q., Xue, L., Yalcin, S., Yamaguchi, Y. L., Yamamoto, H., Yanovich, A., Yoo, J. H., Yoon, I., Yu, H., Yushmanov, I. E., Zajc, W. A., Zelenski, A., Zharko, S., Zou, L., and PHENIX Collaboration. Nonperturbative transverse-momentum-dependent effects in dihadron and direct photon-hadron angular correlations in p + p collisions at s = 200     GeV. United States: N. p., 2018. Web. doi:10.1103/PhysRevD.98.072004.
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Aidala, C., Akiba, Y., Alfred, M., Andrieux, V., Apadula, N., Asano, H., Azmoun, B., Babintsev, V., Bagoly, A., Bandara, N. S., Barish, K. N., Bathe, S., Bazilevsky, A., Beaumier, M., Belmont, R., Berdnikov, A., Berdnikov, Y., Blau, D. S., Boer, M., Bok, J. S., Brooks, M. L., Bryslawskyj, J., Bumazhnov, V., Campbell, S., Canoa Roman, V., Cervantes, R., Chi, C. Y., Chiu, M., Choi, I. J., Choi, J. B., Citron, Z., Connors, M., Cronin, N., Csanád, M., Csörgő, T., Danley, T. W., Daugherity, M. S., David, G., DeBlasio, K., Dehmelt, K., Denisov, A., Deshpande, A., Desmond, E. J., Dion, A., Dixit, D., Do, J. H., Drees, A., Drees, K. A., Durham, J. M., Durum, A., Enokizono, A., En’yo, H., Esumi, S., Fadem, B., Fan, W., Feege, N., Fields, D. E., Finger, M., Finger, M., Fokin, S. L., Frantz, J. E., Franz, A., Frawley, A. D., Fukuda, Y., Gal, C., Gallus, P., Garg, P., Ge, H., Giordano, F., Goto, Y., Grau, N., Greene, S. V., Grosse Perdekamp, M., Gunji, T., Guragain, H., Hachiya, T., Haggerty, J. S., Hahn, K. I., Hamagaki, H., Hamilton, H. F., Han, S. Y., Hanks, J., Hasegawa, S., Haseler, T. O. S., He, X., Hemmick, T. K., Hill, J. C., Hill, K., Hodges, A., Hollis, R. S., Homma, K., Hong, B., Hoshino, T., Hotvedt, N., Huang, J., Huang, S., Imai, K., Inaba, M., Iordanova, A., Isenhower, D., Ivanishchev, D., Jacak, B. V., Jezghani, M., Ji, Z., Jiang, X., Johnson, B. M., Jouan, D., Jumper, D. S., Kang, J. H., Kapukchyan, D., Karthas, S., Kawall, D., Kazantsev, A. V., Khachatryan, V., Khanzadeev, A., Kim, C., Kim, E. -J., Kim, M., Kincses, D., Kistenev, E., Klatsky, J., Kline, P., Koblesky, T., Kotov, D., Kudo, S., Kurgyis, B., Kurita, K., Kwon, Y., Lajoie, J. G., Lebedev, A., Lee, S., Lee, S. H., Leitch, M. J., Leung, Y. H., Lewis, N. A., Li, X., Lim, S. H., Liu, M. X., Loggins, V. -R., Lökös, S., Lovasz, K., Lynch, D., Majoros, T., Makdisi, Y. I., Makek, M., Manko, V. I., Mannel, E., McCumber, M., McGaughey, P. L., McGlinchey, D., McKinney, C., Mendoza, M., Mignerey, A. C., Mihalik, D. E., Milov, A., Mishra, D. K., Mitchell, J. T., Mitsuka, G., Miyasaka, S., Mizuno, S., Montuenga, P., Moon, T., Morrison, D. P., Morrow, S. I., Murakami, T., Murata, J., Nagai, K., Nagashima, K., Nagashima, T., Nagle, J. L., Nagy, M. I., Nakagawa, I., Nakano, K., Nattrass, C., Niida, T., Nouicer, R., Novák, T., Novitzky, N., Nyanin, A. S., O’Brien, E., Ogilvie, C. A., Orjuela Koop, J. D., Osborn, J. D., Oskarsson, A., Ottino, G. J., Ozawa, K., Pantuev, V., Papavassiliou, V., Park, J. S., Park, S., Pate, S. F., Patel, M., Peng, W., Perepelitsa, D. V., Perera, G. D. N., Peressounko, D. Yu., PerezLara, C. E., Perry, J., Petti, R., Phipps, M., Pinkenburg, C., Pisani, R. P., Purschke, M. L., Radzevich, P. V., Read, K. F., Reynolds, D., Riabov, V., Riabov, Y., Richford, D., Rinn, T., Rolnick, S. D., Rosati, M., Rowan, Z., Runchey, J., Safonov, A. S., Sakaguchi, T., Sako, H., Samsonov, V., Sarsour, M., Sato, S., Schaefer, B., Schmoll, B. K., Sedgwick, K., Seidl, R., Sen, A., Seto, R., Sexton, A., Sharma, D., Shein, I., Shibata, T. -A., Shigaki, K., Shimomura, M., Shioya, T., Shukla, P., Sickles, A., Silva, C. L., Silvermyr, D., Singh, B. K., Singh, C. P., Singh, V., Skoby, M. J., Slunečka, M., Snowball, M., Soltz, R. A., Sondheim, W. E., Sorensen, S. P., Sourikova, I. V., Stankus, P. W., Stoll, S. P., Sugitate, T., Sukhanov, A., Sumita, T., Sun, J., Sun, Z., Sziklai, J., Tanida, K., Tannenbaum, M. J., Tarafdar, S., Taranenko, A., Tarnai, G., Tieulent, R., Timilsina, A., Todoroki, T., Tomášek, M., Towell, C. L., Towell, R. S., Tserruya, I., Ueda, Y., Ujvari, B., van Hecke, H. W., Velkovska, J., Virius, M., Vrba, V., Vukman, N., Wang, X. R., Watanabe, Y. S., Wong, C. P., Woody, C. L., Xu, C., Xu, Q., Xue, L., Yalcin, S., Yamaguchi, Y. L., Yamamoto, H., Yanovich, A., Yoo, J. H., Yoon, I., Yu, H., Yushmanov, I. E., Zajc, W. A., Zelenski, A., Zharko, S., Zou, L., & PHENIX Collaboration. Nonperturbative transverse-momentum-dependent effects in dihadron and direct photon-hadron angular correlations in p + p collisions at s = 200     GeV. United States. https://doi.org/10.1103/PhysRevD.98.072004
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Aidala, C., Akiba, Y., Alfred, M., Andrieux, V., Apadula, N., Asano, H., Azmoun, B., Babintsev, V., Bagoly, A., Bandara, N. S., Barish, K. N., Bathe, S., Bazilevsky, A., Beaumier, M., Belmont, R., Berdnikov, A., Berdnikov, Y., Blau, D. S., Boer, M., Bok, J. S., Brooks, M. L., Bryslawskyj, J., Bumazhnov, V., Campbell, S., Canoa Roman, V., Cervantes, R., Chi, C. Y., Chiu, M., Choi, I. J., Choi, J. B., Citron, Z., Connors, M., Cronin, N., Csanád, M., Csörgő, T., Danley, T. W., Daugherity, M. S., David, G., DeBlasio, K., Dehmelt, K., Denisov, A., Deshpande, A., Desmond, E. J., Dion, A., Dixit, D., Do, J. H., Drees, A., Drees, K. A., Durham, J. M., Durum, A., Enokizono, A., En’yo, H., Esumi, S., Fadem, B., Fan, W., Feege, N., Fields, D. E., Finger, M., Finger, M., Fokin, S. L., Frantz, J. E., Franz, A., Frawley, A. D., Fukuda, Y., Gal, C., Gallus, P., Garg, P., Ge, H., Giordano, F., Goto, Y., Grau, N., Greene, S. V., Grosse Perdekamp, M., Gunji, T., Guragain, H., Hachiya, T., Haggerty, J. S., Hahn, K. I., Hamagaki, H., Hamilton, H. F., Han, S. Y., Hanks, J., Hasegawa, S., Haseler, T. O. S., He, X., Hemmick, T. K., Hill, J. C., Hill, K., Hodges, A., Hollis, R. S., Homma, K., Hong, B., Hoshino, T., Hotvedt, N., Huang, J., Huang, S., Imai, K., Inaba, M., Iordanova, A., Isenhower, D., Ivanishchev, D., Jacak, B. V., Jezghani, M., Ji, Z., Jiang, X., Johnson, B. M., Jouan, D., Jumper, D. S., Kang, J. H., Kapukchyan, D., Karthas, S., Kawall, D., Kazantsev, A. V., Khachatryan, V., Khanzadeev, A., Kim, C., Kim, E. -J., Kim, M., Kincses, D., Kistenev, E., Klatsky, J., Kline, P., Koblesky, T., Kotov, D., Kudo, S., Kurgyis, B., Kurita, K., Kwon, Y., Lajoie, J. G., Lebedev, A., Lee, S., Lee, S. H., Leitch, M. J., Leung, Y. H., Lewis, N. A., Li, X., Lim, S. H., Liu, M. X., Loggins, V. -R., Lökös, S., Lovasz, K., Lynch, D., Majoros, T., Makdisi, Y. I., Makek, M., Manko, V. I., Mannel, E., McCumber, M., McGaughey, P. L., McGlinchey, D., McKinney, C., Mendoza, M., Mignerey, A. C., Mihalik, D. E., Milov, A., Mishra, D. K., Mitchell, J. T., Mitsuka, G., Miyasaka, S., Mizuno, S., Montuenga, P., Moon, T., Morrison, D. P., Morrow, S. I., Murakami, T., Murata, J., Nagai, K., Nagashima, K., Nagashima, T., Nagle, J. L., Nagy, M. I., Nakagawa, I., Nakano, K., Nattrass, C., Niida, T., Nouicer, R., Novák, T., Novitzky, N., Nyanin, A. S., O’Brien, E., Ogilvie, C. A., Orjuela Koop, J. D., Osborn, J. D., Oskarsson, A., Ottino, G. J., Ozawa, K., Pantuev, V., Papavassiliou, V., Park, J. S., Park, S., Pate, S. F., Patel, M., Peng, W., Perepelitsa, D. V., Perera, G. D. N., Peressounko, D. Yu., PerezLara, C. E., Perry, J., Petti, R., Phipps, M., Pinkenburg, C., Pisani, R. P., Purschke, M. L., Radzevich, P. V., Read, K. F., Reynolds, D., Riabov, V., Riabov, Y., Richford, D., Rinn, T., Rolnick, S. D., Rosati, M., Rowan, Z., Runchey, J., Safonov, A. S., Sakaguchi, T., Sako, H., Samsonov, V., Sarsour, M., Sato, S., Schaefer, B., Schmoll, B. K., Sedgwick, K., Seidl, R., Sen, A., Seto, R., Sexton, A., Sharma, D., Shein, I., Shibata, T. -A., Shigaki, K., Shimomura, M., Shioya, T., Shukla, P., Sickles, A., Silva, C. L., Silvermyr, D., Singh, B. K., Singh, C. P., Singh, V., Skoby, M. J., Slunečka, M., Snowball, M., Soltz, R. A., Sondheim, W. E., Sorensen, S. P., Sourikova, I. V., Stankus, P. W., Stoll, S. P., Sugitate, T., Sukhanov, A., Sumita, T., Sun, J., Sun, Z., Sziklai, J., Tanida, K., Tannenbaum, M. J., Tarafdar, S., Taranenko, A., Tarnai, G., Tieulent, R., Timilsina, A., Todoroki, T., Tomášek, M., Towell, C. L., Towell, R. S., Tserruya, I., Ueda, Y., Ujvari, B., van Hecke, H. W., Velkovska, J., Virius, M., Vrba, V., Vukman, N., Wang, X. R., Watanabe, Y. S., Wong, C. P., Woody, C. L., Xu, C., Xu, Q., Xue, L., Yalcin, S., Yamaguchi, Y. L., Yamamoto, H., Yanovich, A., Yoo, J. H., Yoon, I., Yu, H., Yushmanov, I. E., Zajc, W. A., Zelenski, A., Zharko, S., Zou, L., and PHENIX Collaboration. Wed . "Nonperturbative transverse-momentum-dependent effects in dihadron and direct photon-hadron angular correlations in p + p collisions at s = 200     GeV". United States. https://doi.org/10.1103/PhysRevD.98.072004.
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@article{osti_1478568,
title = {Nonperturbative transverse-momentum-dependent effects in dihadron and direct photon-hadron angular correlations in p + p collisions at s = 200     GeV},
author = {Aidala, C. and Akiba, Y. and Alfred, M. and Andrieux, V. and Apadula, N. and Asano, H. and Azmoun, B. and Babintsev, V. and Bagoly, A. and Bandara, N. S. and Barish, K. N. and Bathe, S. and Bazilevsky, A. and Beaumier, M. and Belmont, R. and Berdnikov, A. and Berdnikov, Y. and Blau, D. S. and Boer, M. and Bok, J. S. and Brooks, M. L. and Bryslawskyj, J. and Bumazhnov, V. and Campbell, S. and Canoa Roman, V. and Cervantes, R. and Chi, C. Y. and Chiu, M. and Choi, I. J. and Choi, J. B. and Citron, Z. and Connors, M. and Cronin, N. and Csanád, M. and Csörgő, T. and Danley, T. W. and Daugherity, M. S. and David, G. and DeBlasio, K. and Dehmelt, K. and Denisov, A. and Deshpande, A. and Desmond, E. J. and Dion, A. and Dixit, D. and Do, J. H. and Drees, A. and Drees, K. A. and Durham, J. M. and Durum, A. and Enokizono, A. and En’yo, H. and Esumi, S. and Fadem, B. and Fan, W. and Feege, N. and Fields, D. E. and Finger, M. and Finger, M. and Fokin, S. L. and Frantz, J. E. and Franz, A. and Frawley, A. D. and Fukuda, Y. and Gal, C. and Gallus, P. and Garg, P. and Ge, H. and Giordano, F. and Goto, Y. and Grau, N. and Greene, S. V. and Grosse Perdekamp, M. and Gunji, T. and Guragain, H. and Hachiya, T. and Haggerty, J. S. and Hahn, K. I. and Hamagaki, H. and Hamilton, H. F. and Han, S. Y. and Hanks, J. and Hasegawa, S. and Haseler, T. O. S. and He, X. and Hemmick, T. K. and Hill, J. C. and Hill, K. and Hodges, A. and Hollis, R. S. and Homma, K. and Hong, B. and Hoshino, T. and Hotvedt, N. and Huang, J. and Huang, S. and Imai, K. and Inaba, M. and Iordanova, A. and Isenhower, D. and Ivanishchev, D. and Jacak, B. V. and Jezghani, M. and Ji, Z. and Jiang, X. and Johnson, B. M. and Jouan, D. and Jumper, D. S. and Kang, J. H. and Kapukchyan, D. and Karthas, S. and Kawall, D. and Kazantsev, A. V. and Khachatryan, V. and Khanzadeev, A. and Kim, C. and Kim, E. -J. and Kim, M. and Kincses, D. and Kistenev, E. and Klatsky, J. and Kline, P. and Koblesky, T. and Kotov, D. and Kudo, S. and Kurgyis, B. and Kurita, K. and Kwon, Y. and Lajoie, J. G. and Lebedev, A. and Lee, S. and Lee, S. H. and Leitch, M. J. and Leung, Y. H. and Lewis, N. A. and Li, X. and Lim, S. H. and Liu, M. X. and Loggins, V. -R. and Lökös, S. and Lovasz, K. and Lynch, D. and Majoros, T. and Makdisi, Y. I. and Makek, M. and Manko, V. I. and Mannel, E. and McCumber, M. and McGaughey, P. L. and McGlinchey, D. and McKinney, C. and Mendoza, M. and Mignerey, A. C. and Mihalik, D. E. and Milov, A. and Mishra, D. K. and Mitchell, J. T. and Mitsuka, G. and Miyasaka, S. and Mizuno, S. and Montuenga, P. and Moon, T. and Morrison, D. P. and Morrow, S. I. and Murakami, T. and Murata, J. and Nagai, K. and Nagashima, K. and Nagashima, T. and Nagle, J. L. and Nagy, M. I. and Nakagawa, I. and Nakano, K. and Nattrass, C. and Niida, T. and Nouicer, R. and Novák, T. and Novitzky, N. and Nyanin, A. S. and O’Brien, E. and Ogilvie, C. A. and Orjuela Koop, J. D. and Osborn, J. D. and Oskarsson, A. and Ottino, G. J. and Ozawa, K. and Pantuev, V. and Papavassiliou, V. and Park, J. S. and Park, S. and Pate, S. F. and Patel, M. and Peng, W. and Perepelitsa, D. V. and Perera, G. D. N. and Peressounko, D. Yu. and PerezLara, C. E. and Perry, J. and Petti, R. and Phipps, M. and Pinkenburg, C. and Pisani, R. P. and Purschke, M. L. and Radzevich, P. V. and Read, K. F. and Reynolds, D. and Riabov, V. and Riabov, Y. and Richford, D. and Rinn, T. and Rolnick, S. D. and Rosati, M. and Rowan, Z. and Runchey, J. and Safonov, A. S. and Sakaguchi, T. and Sako, H. and Samsonov, V. and Sarsour, M. and Sato, S. and Schaefer, B. and Schmoll, B. K. and Sedgwick, K. and Seidl, R. and Sen, A. and Seto, R. and Sexton, A. and Sharma, D. and Shein, I. and Shibata, T. -A. and Shigaki, K. and Shimomura, M. and Shioya, T. and Shukla, P. and Sickles, A. and Silva, C. L. and Silvermyr, D. and Singh, B. K. and Singh, C. P. and Singh, V. and Skoby, M. J. and Slunečka, M. and Snowball, M. and Soltz, R. A. and Sondheim, W. E. and Sorensen, S. P. and Sourikova, I. V. and Stankus, P. W. and Stoll, S. P. and Sugitate, T. and Sukhanov, A. and Sumita, T. and Sun, J. and Sun, Z. and Sziklai, J. and Tanida, K. and Tannenbaum, M. J. and Tarafdar, S. and Taranenko, A. and Tarnai, G. and Tieulent, R. and Timilsina, A. and Todoroki, T. and Tomášek, M. and Towell, C. L. and Towell, R. S. and Tserruya, I. and Ueda, Y. and Ujvari, B. and van Hecke, H. W. and Velkovska, J. and Virius, M. and Vrba, V. and Vukman, N. and Wang, X. R. and Watanabe, Y. S. and Wong, C. P. and Woody, C. L. and Xu, C. and Xu, Q. and Xue, L. and Yalcin, S. and Yamaguchi, Y. L. and Yamamoto, H. and Yanovich, A. and Yoo, J. H. and Yoon, I. and Yu, H. and Yushmanov, I. E. and Zajc, W. A. and Zelenski, A. and Zharko, S. and Zou, L. and PHENIX Collaboration},
abstractNote = {Dihadron and isolated direct photon-hadron angular correlations are measured in p+p collisions at $\sqrt{s}$=200 GeV. The correlations are sensitive to nonperturbative initial-state and final-state transverse momenta kT and jT in the azimuthal nearly back-to-back region Δφ~π. To have sensitivity to small transverse momentum scales, nonperturbative momentum widths of pout, the out-of-plane transverse-momentum component perpendicular to the trigger particle, are measured. In this region, the evolution of pout can be studied when several different hard scales are measured. These widths are used to investigate possible effects from transverse-momentum-dependent factorization breaking. When accounting for the longitudinal-momentum fraction of the away-side hadron with respect to the near-side trigger particle, the widths are found to increase with the hard scale; this is qualitatively similar to the observed behavior in Drell-Yan and semi-inclusive deep-inelastic scattering interactions, where factorization is predicted to hold. The momentum widths are also studied as a function of center-of-mass energy by comparing to previous measurements at $\sqrt{s}$ =510 GeV. The nonperturbative jet widths also appear to increase with $\sqrt{s}$ at a similar xT, which is qualitatively consistent to similar measurements in Drell-Yan interactions. Future detailed global comparisons between measurements of processes where transverse-momentum-dependent factorization is predicted to hold and be broken will provide further insight into the role of color in hadronic interactions.},
doi = {10.1103/PhysRevD.98.072004},
journal = {Physical Review. D.},
number = 7,
volume = 98,
place = {United States},
year = {Wed Oct 17 00:00:00 EDT 2018},
month = {Wed Oct 17 00:00:00 EDT 2018}
}
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