Time sequence and time scale of intermediate mass fragment emission
Semiperipheral collisions in the $^{124}$Sn+${64}Ni reaction at 35 MeV/nucleon were studied using the forward part of the Charged Heavy Ion Mass and Energy Resolving Array. Nearly completely determined ternary events involving projectilelike fragments (PLF), targetlike fragments (TLF), and intermedi...
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| Veröffentlicht in: | Physical review. C 2005-04, Vol.71 (4), Article 044602 |
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| creator | De Filippo, E. Pagano, A. Wilczyński, J. Amorini, F. Anzalone, A. Auditore, L. Baran, V. Berceanu, I. Blicharska, J. Brzychczyk, J. Bonasera, A. Borderie, B. Bougault, R. Bruno, M. Cardella, G. Cavallaro, S. Chatterjee, M. B. Chbihi, A. Cibor, J. Colonna, M. D'Agostino, M. Dayras, R. Di Toro, M. Frankland, J. Galichet, E. Gawlikowicz, W. Geraci, E. Giustolisi, F. Grzeszczuk, A. Guazzoni, P. Guinet, D. Iacono-Manno, M. Kowalski, S. La Guidara, E. Lanzanò, G. Lanzalone, G. Le Neindre, N. Li, S. Maiolino, C. Majka, Z. Papa, M. Petrovici, M. Piasecki, E. Pirrone, S. Płaneta, R. Politi, G. Pop, A. Porto, F. Rivet, M. F. Rosato, E. Rizzo, F. Russo, S. Russotto, P. Sassi, M. Schmidt, K. Siwek-Wilczyńska, K. Skwira, I. Sperduto, M. L. Świderski, Ł. Trifirò, A. Trimarchi, M. Vannini, G. Vigilante, M. Wieleczko, J. P. Wu, H. Xiao, Z. Zetta, L. Zipper, W. |
| description | Semiperipheral collisions in the $^{124}$Sn+${64}Ni reaction at 35 MeV/nucleon were studied using the forward part of the Charged Heavy Ion Mass and Energy Resolving Array. Nearly completely determined ternary events involving projectilelike fragments (PLF), targetlike fragments (TLF), and intermediate mass fragments (IMF) were selected. A new method of studying the reaction mechanism, focusing on the analysis of the correlations between relative velocities in the IMF+PLF and IMF+TLF subsystems, is proposed. The relative velocity correlations provide information on the time sequence and time scale of the neck fragmentation processes leading to production of IMFs. It is shown that the majority of light IMFs are produced within 40–80 fm/c after the system starts to reseparate. Heavy IMFs are formed at times of about 120 fm/c or later and can be viewed as resulting from two-step (sequential) neck rupture processes. |
| doi_str_mv | 10.1103/PhysRevC.71.044602 |
| format | Article |
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L. ; Świderski, Ł. ; Trifirò, A. ; Trimarchi, M. ; Vannini, G. ; Vigilante, M. ; Wieleczko, J. P. ; Wu, H. ; Xiao, Z. ; Zetta, L. ; Zipper, W.</creatorcontrib><description>Semiperipheral collisions in the $^{124}$Sn+${64}Ni reaction at 35 MeV/nucleon were studied using the forward part of the Charged Heavy Ion Mass and Energy Resolving Array. Nearly completely determined ternary events involving projectilelike fragments (PLF), targetlike fragments (TLF), and intermediate mass fragments (IMF) were selected. A new method of studying the reaction mechanism, focusing on the analysis of the correlations between relative velocities in the IMF+PLF and IMF+TLF subsystems, is proposed. The relative velocity correlations provide information on the time sequence and time scale of the neck fragmentation processes leading to production of IMFs. It is shown that the majority of light IMFs are produced within 40–80 fm/c after the system starts to reseparate. 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B.</creatorcontrib><creatorcontrib>Chbihi, A.</creatorcontrib><creatorcontrib>Cibor, J.</creatorcontrib><creatorcontrib>Colonna, M.</creatorcontrib><creatorcontrib>D'Agostino, M.</creatorcontrib><creatorcontrib>Dayras, R.</creatorcontrib><creatorcontrib>Di Toro, M.</creatorcontrib><creatorcontrib>Frankland, J.</creatorcontrib><creatorcontrib>Galichet, E.</creatorcontrib><creatorcontrib>Gawlikowicz, W.</creatorcontrib><creatorcontrib>Geraci, E.</creatorcontrib><creatorcontrib>Giustolisi, F.</creatorcontrib><creatorcontrib>Grzeszczuk, A.</creatorcontrib><creatorcontrib>Guazzoni, P.</creatorcontrib><creatorcontrib>Guinet, D.</creatorcontrib><creatorcontrib>Iacono-Manno, M.</creatorcontrib><creatorcontrib>Kowalski, S.</creatorcontrib><creatorcontrib>La Guidara, E.</creatorcontrib><creatorcontrib>Lanzanò, G.</creatorcontrib><creatorcontrib>Lanzalone, G.</creatorcontrib><creatorcontrib>Le Neindre, N.</creatorcontrib><creatorcontrib>Li, S.</creatorcontrib><creatorcontrib>Maiolino, C.</creatorcontrib><creatorcontrib>Majka, Z.</creatorcontrib><creatorcontrib>Papa, M.</creatorcontrib><creatorcontrib>Petrovici, M.</creatorcontrib><creatorcontrib>Piasecki, E.</creatorcontrib><creatorcontrib>Pirrone, S.</creatorcontrib><creatorcontrib>Płaneta, R.</creatorcontrib><creatorcontrib>Politi, G.</creatorcontrib><creatorcontrib>Pop, A.</creatorcontrib><creatorcontrib>Porto, F.</creatorcontrib><creatorcontrib>Rivet, M. F.</creatorcontrib><creatorcontrib>Rosato, E.</creatorcontrib><creatorcontrib>Rizzo, F.</creatorcontrib><creatorcontrib>Russo, S.</creatorcontrib><creatorcontrib>Russotto, P.</creatorcontrib><creatorcontrib>Sassi, M.</creatorcontrib><creatorcontrib>Schmidt, K.</creatorcontrib><creatorcontrib>Siwek-Wilczyńska, K.</creatorcontrib><creatorcontrib>Skwira, I.</creatorcontrib><creatorcontrib>Sperduto, M. L.</creatorcontrib><creatorcontrib>Świderski, Ł.</creatorcontrib><creatorcontrib>Trifirò, A.</creatorcontrib><creatorcontrib>Trimarchi, M.</creatorcontrib><creatorcontrib>Vannini, G.</creatorcontrib><creatorcontrib>Vigilante, M.</creatorcontrib><creatorcontrib>Wieleczko, J. P.</creatorcontrib><creatorcontrib>Wu, H.</creatorcontrib><creatorcontrib>Xiao, Z.</creatorcontrib><creatorcontrib>Zetta, L.</creatorcontrib><creatorcontrib>Zipper, W.</creatorcontrib><title>Time sequence and time scale of intermediate mass fragment emission</title><title>Physical review. C</title><description>Semiperipheral collisions in the $^{124}$Sn+${64}Ni reaction at 35 MeV/nucleon were studied using the forward part of the Charged Heavy Ion Mass and Energy Resolving Array. Nearly completely determined ternary events involving projectilelike fragments (PLF), targetlike fragments (TLF), and intermediate mass fragments (IMF) were selected. A new method of studying the reaction mechanism, focusing on the analysis of the correlations between relative velocities in the IMF+PLF and IMF+TLF subsystems, is proposed. The relative velocity correlations provide information on the time sequence and time scale of the neck fragmentation processes leading to production of IMFs. It is shown that the majority of light IMFs are produced within 40–80 fm/c after the system starts to reseparate. Heavy IMFs are formed at times of about 120 fm/c or later and can be viewed as resulting from two-step (sequential) neck rupture processes.</description><subject>CORRELATIONS</subject><subject>ION EMISSION</subject><subject>MEV RANGE</subject><subject>NICKEL 64 TARGET</subject><subject>Nuclear Experiment</subject><subject>NUCLEAR FRAGMENTATION</subject><subject>NUCLEAR FRAGMENTS</subject><subject>NUCLEAR PHYSICS AND RADIATION PHYSICS</subject><subject>NUCLEAR REACTION KINETICS</subject><subject>Physics</subject><subject>TIN 124 REACTIONS</subject><issn>0556-2813</issn><issn>2469-9985</issn><issn>1089-490X</issn><issn>2469-9993</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><recordid>eNo9kF1LwzAUhoMoOKd_wKuAl9KZr6bN5SjqhIEiE7wLaXpiI2s6mzjYv7da9dwcODznhfdB6JKSBaWE3zy1h_gM-2pR0AURQhJ2hGaUlCoTirweoxnJc5mxkvJTdBbjOxmHczlD1cZ3gCN8fEKwgE1ocPq5WLMF3DvsQ4Khg8abBLgzMWI3mLcOQsLQ-Rh9H87RiTPbCBe_e45e7m431SpbP94_VMt1ZjmlKZOFFGUhWK0KbqlrWNHU0pQEnK2lMzVRuSttA1xZRUBZ6YQUjWLGqJzVUvI5uppy-5i8jtYnsK3tQwCbNCNSSVKIkbqeqNZs9W7wnRkOujder5Zr7QPbcT2WZ4LlbE9Hmk20HfoYB3D_L5Tob7X6T60uqJ7U8i9dhm1I</recordid><startdate>20050401</startdate><enddate>20050401</enddate><creator>De Filippo, E.</creator><creator>Pagano, A.</creator><creator>Wilczyński, J.</creator><creator>Amorini, F.</creator><creator>Anzalone, A.</creator><creator>Auditore, L.</creator><creator>Baran, V.</creator><creator>Berceanu, I.</creator><creator>Blicharska, J.</creator><creator>Brzychczyk, J.</creator><creator>Bonasera, A.</creator><creator>Borderie, B.</creator><creator>Bougault, R.</creator><creator>Bruno, M.</creator><creator>Cardella, G.</creator><creator>Cavallaro, S.</creator><creator>Chatterjee, M. 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F.</creatorcontrib><creatorcontrib>Rosato, E.</creatorcontrib><creatorcontrib>Rizzo, F.</creatorcontrib><creatorcontrib>Russo, S.</creatorcontrib><creatorcontrib>Russotto, P.</creatorcontrib><creatorcontrib>Sassi, M.</creatorcontrib><creatorcontrib>Schmidt, K.</creatorcontrib><creatorcontrib>Siwek-Wilczyńska, K.</creatorcontrib><creatorcontrib>Skwira, I.</creatorcontrib><creatorcontrib>Sperduto, M. L.</creatorcontrib><creatorcontrib>Świderski, Ł.</creatorcontrib><creatorcontrib>Trifirò, A.</creatorcontrib><creatorcontrib>Trimarchi, M.</creatorcontrib><creatorcontrib>Vannini, G.</creatorcontrib><creatorcontrib>Vigilante, M.</creatorcontrib><creatorcontrib>Wieleczko, J. P.</creatorcontrib><creatorcontrib>Wu, H.</creatorcontrib><creatorcontrib>Xiao, Z.</creatorcontrib><creatorcontrib>Zetta, L.</creatorcontrib><creatorcontrib>Zipper, W.</creatorcontrib><collection>CrossRef</collection><collection>Hyper Article en Ligne (HAL)</collection><collection>OSTI.GOV</collection><jtitle>Physical review. C</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>De Filippo, E.</au><au>Pagano, A.</au><au>Wilczyński, J.</au><au>Amorini, F.</au><au>Anzalone, A.</au><au>Auditore, L.</au><au>Baran, V.</au><au>Berceanu, I.</au><au>Blicharska, J.</au><au>Brzychczyk, J.</au><au>Bonasera, A.</au><au>Borderie, B.</au><au>Bougault, R.</au><au>Bruno, M.</au><au>Cardella, G.</au><au>Cavallaro, S.</au><au>Chatterjee, M. B.</au><au>Chbihi, A.</au><au>Cibor, J.</au><au>Colonna, M.</au><au>D'Agostino, M.</au><au>Dayras, R.</au><au>Di Toro, M.</au><au>Frankland, J.</au><au>Galichet, E.</au><au>Gawlikowicz, W.</au><au>Geraci, E.</au><au>Giustolisi, F.</au><au>Grzeszczuk, A.</au><au>Guazzoni, P.</au><au>Guinet, D.</au><au>Iacono-Manno, M.</au><au>Kowalski, S.</au><au>La Guidara, E.</au><au>Lanzanò, G.</au><au>Lanzalone, G.</au><au>Le Neindre, N.</au><au>Li, S.</au><au>Maiolino, C.</au><au>Majka, Z.</au><au>Papa, M.</au><au>Petrovici, M.</au><au>Piasecki, E.</au><au>Pirrone, S.</au><au>Płaneta, R.</au><au>Politi, G.</au><au>Pop, A.</au><au>Porto, F.</au><au>Rivet, M. F.</au><au>Rosato, E.</au><au>Rizzo, F.</au><au>Russo, S.</au><au>Russotto, P.</au><au>Sassi, M.</au><au>Schmidt, K.</au><au>Siwek-Wilczyńska, K.</au><au>Skwira, I.</au><au>Sperduto, M. L.</au><au>Świderski, Ł.</au><au>Trifirò, A.</au><au>Trimarchi, M.</au><au>Vannini, G.</au><au>Vigilante, M.</au><au>Wieleczko, J. P.</au><au>Wu, H.</au><au>Xiao, Z.</au><au>Zetta, L.</au><au>Zipper, W.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Time sequence and time scale of intermediate mass fragment emission</atitle><jtitle>Physical review. C</jtitle><date>2005-04-01</date><risdate>2005</risdate><volume>71</volume><issue>4</issue><artnum>044602</artnum><issn>0556-2813</issn><issn>2469-9985</issn><eissn>1089-490X</eissn><eissn>2469-9993</eissn><abstract>Semiperipheral collisions in the $^{124}$Sn+${64}Ni reaction at 35 MeV/nucleon were studied using the forward part of the Charged Heavy Ion Mass and Energy Resolving Array. Nearly completely determined ternary events involving projectilelike fragments (PLF), targetlike fragments (TLF), and intermediate mass fragments (IMF) were selected. A new method of studying the reaction mechanism, focusing on the analysis of the correlations between relative velocities in the IMF+PLF and IMF+TLF subsystems, is proposed. The relative velocity correlations provide information on the time sequence and time scale of the neck fragmentation processes leading to production of IMFs. It is shown that the majority of light IMFs are produced within 40–80 fm/c after the system starts to reseparate. Heavy IMFs are formed at times of about 120 fm/c or later and can be viewed as resulting from two-step (sequential) neck rupture processes.</abstract><cop>United States</cop><pub>American Physical Society</pub><doi>10.1103/PhysRevC.71.044602</doi><orcidid>https://orcid.org/0000-0002-2866-7398</orcidid><orcidid>https://orcid.org/0000-0001-5419-6764</orcidid><orcidid>https://orcid.org/0000-0002-3418-7251</orcidid><orcidid>https://orcid.org/0000-0002-4907-5041</orcidid></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0556-2813 |
| ispartof | Physical review. C, 2005-04, Vol.71 (4), Article 044602 |
| issn | 0556-2813 2469-9985 1089-490X 2469-9993 |
| language | eng |
| recordid | cdi_osti_scitechconnect_20696074 |
| source | American Physical Society Journals |
| subjects | CORRELATIONS ION EMISSION MEV RANGE NICKEL 64 TARGET Nuclear Experiment NUCLEAR FRAGMENTATION NUCLEAR FRAGMENTS NUCLEAR PHYSICS AND RADIATION PHYSICS NUCLEAR REACTION KINETICS Physics TIN 124 REACTIONS |
| title | Time sequence and time scale of intermediate mass fragment emission |
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