Question

This process occurs due to distinct gravitational potentials caused by different geometrical conformations in the Diósi–Penrose model. This process is characterized by a namesake rate and the correlation length in the continuous spontaneous localization model, which is a dynamical reduction model of this process. Choosing to perform a certain action appears to make (10[1])this process (10[1])occur retroactively in Wheeler’s delayed-choice (-5[1])experiment. (-5[2])This mathematical (-5[2])process (10[1]-5[1])does not occur because of the existence of a certain universal quantity (-5[1])in Hugh Everett’s (10[1])many-worlds interpretation. (10[5])Decoherence (-5[1])is a theory explaining this process, which involves (-5[1])a single random eigenvalue being measured. (10[2])For 10 points, (10[1])name this process in which an observation causes a quantity representing (10[3])quantum states, and denoted by psi (“sigh”), to take a single value. (10[2])■END■ (10[5]0[2])

ANSWER: wavefunction collapse [accept Diósi–Penrose collapse; or objective-collapse or spontaneous collapse; or reduction of the state vector; prompt on quantum decoherence until read by asking “What process does that theory help explain?”; reject “observation” or “measurement”]
<Physics>
= Average correct buzz position

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Summary

2025 ACF Nationals04/19/2025Y2492%0%38%95.77

Buzzes

PlayerTeamOpponentBuzz PositionValue
Amogh KulkarniGeorgia StateWaterloo B5210
Rasheeq AzadNorth Carolina AToronto A5410
Nathan SheffieldMITJohns Hopkins59-5
Andrew WangIllinois AWUSTL A60-5
John MarvinChicago AWaterloo A60-5
Alex AkridgeIndianaStanford62-5
Geoffrey WuColumbia ARutgers62-5
Colin VeeversOttawaWUSTL B6310
Ryan RosenbergNYUYale63-5
Swapnil GargUC Berkeley ANorthwestern75-5
Karan GurazadaTexasVirginia Tech7810
Matthew WangBritish ColumbiaPenn State8010
Kunaal ChandrashekarToronto BChicago B8010
Yashwanth BajjiMichiganMaryland8010
Shardul RaoMinnesotaCornell A8010
Henry BonWinona StateVirginia8010
Anuttam RamjiUC Berkeley BFlorida81-5
Albert Yingzhi NyangLSEArizona State89-5
Rohan DalalGeorgia TechHarvard9510
Shardul ParthasarathyIllinois BOhio State9510
Cade ReinbergerRITCornell B9810
Marcus Forbes-GreenToronto CIowa State10910
David BassJohns HopkinsMIT10910
Shiva TegullaUCFColumbia B10910
Aiden DartleyRutgersColumbia A12010
Graham TroyNorth Carolina BVanderbilt12010
Bryan UgazArizona StateLSE12110
Jeremy CummingsWUSTL AIllinois A12110
Tim MorrisonStanfordIndiana12110
Matt SchiavoneNorthwesternUC Berkeley A12110
Leo LawFloridaUC Berkeley B1210
Liam KusalikWaterloo AChicago A12110
Andres CordobaYaleNYU1210